Technical Service Bulletins (TSBs) for the 2020 Sierra 2500 are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #23-NA-185

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10250582

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #23-NA-185

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249008

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #03-00-91-001I

      Date Announced:
      NOV 06, 2023
      NHTSA ID:
      #10245395

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »

    • TSB #23-NA-185

      Date Announced:
      OCT 24, 2023
      NHTSA ID:
      #10245244

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #15-00-89-004F

      Date Announced:
      AUG 07, 2023
      NHTSA ID:
      #10242061

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #PIT5544G

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237675

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #PI0281J

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235561

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #13-02-32-001G

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233331

      This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. Read More »

    • TSB #PIT5544F

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10230696

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #15-00-89-004E

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222777

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #16-NA-109

      Date Announced:
      JUN 01, 2022
      NHTSA ID:
      #10213700

      This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    • TSB #PIT5809C

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10213779

      This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft. Read More »

    • TSB #PIT5544E

      Date Announced:
      SEP 01, 2021
      NHTSA ID:
      #10202385

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #PIT5809A

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10193470

      This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft. Read More »

    • TSB #PIT5818

      Date Announced:
      MAR 24, 2021
      NHTSA ID:
      #10190424

      This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »

    • TSB #16NA109

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191163

      This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    • TSB #PIT5544D

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190362

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #19NA240

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10191196

      This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph. Read More »

    • TSB #20NA192

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181717

      This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph). Read More »

    • TSB #20NA021

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178964

      This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set. Read More »

    • TSB #N202294740 01

      Date Announced:
      JUN 18, 2020
      NHTSA ID:
      #10177368

      Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules. Read More »

    • TSB #20NA006

      Date Announced:
      FEB 24, 2020
      NHTSA ID:
      #10173404

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #20NA021

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172289

      This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set. Read More »

    • TSB #20NA006

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171905

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #N192279900

      Date Announced:
      NOV 01, 2019
      NHTSA ID:
      #10169636

      N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Read More »

    • TSB #19NA240

      Date Announced:
      OCT 21, 2019
      NHTSA ID:
      #10168200

      This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph. Read More »

    • TSB #PIT5544C

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10167435

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #16NA109

      Date Announced:
      AUG 05, 2019
      NHTSA ID:
      #10165079

      This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    • TSB #130232001F

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163270

      This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. Read More »

    SUSPENSION

    • TSB #PIT5214F

      Date Announced:
      NOV 14, 2023
      NHTSA ID:
      #10247352

      This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »

    • TSB #03-00-91-001I

      Date Announced:
      NOV 06, 2023
      NHTSA ID:
      #10245395

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »

    • TSB #15-00-89-004F

      Date Announced:
      AUG 07, 2023
      NHTSA ID:
      #10242061

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #PI0281J

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235561

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #21-NA-138

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231503

      This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs. Read More »

    • TSB #21-NA-138

      Date Announced:
      OCT 20, 2022
      NHTSA ID:
      #10225662

      This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs. Read More »

    • TSB #15-00-89-004E

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222777

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #20-NA-022

      Date Announced:
      JUL 19, 2022
      NHTSA ID:
      #10217050

      This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »

    • TSB #20NA078

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10205056

      This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »

    • TSB #PIT5403H

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10197306

      This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »

    • TSB #050308002I

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10195128

      This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »

    • TSB #PIE0573A

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183786

      This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion ... Read More »

    • TSB #PIE0573

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10179535

      This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion ... Read More »

    • TSB #N202294960

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176812

      Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. Read More »

    • TSB #PIT5403F

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173680

      This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #150089004C

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188403

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004C

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188403

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    BRAKES (PWS)

    • TSB #22-NA-092

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10242266

      This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. Read More »

    • TSB #23-NA-144

      Date Announced:
      AUG 18, 2023
      NHTSA ID:
      #10242252

      This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns. Read More »

    • TSB #PIT3665L

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10226382

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213036

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #18NA067

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10212603

      This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. Read More »

    • TSB #21NA275

      Date Announced:
      JAN 25, 2022
      NHTSA ID:
      #10214216

      This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 ... Read More »

    • TSB #070316004D

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10213760

      This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »

    • TSB #20NA188

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10214203

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #20NA020

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10187753

      This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »

    • TSB #PIE0593A

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10188410

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on ... Read More »

    • TSB #PIE0596

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183801

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the ABS or the traction control message illuminated in the Drivers Information ... Read More »

    • TSB #PIT3665J

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178353

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    • TSB #20NA020

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176621

      This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »

    • TSB #PIT5479C

      Date Announced:
      DEC 09, 2019
      NHTSA ID:
      #10170424

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #22-NA-092

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10246305

      This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. Read More »

    • TSB #22-NA-092

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10228188

      This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. Read More »

    • TSB #15-00-89-004E

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222777

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #20NA197

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10212562

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #20NA020

      Date Announced:
      AUG 31, 2021
      NHTSA ID:
      #10205053

      This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »

    • TSB #20NA020

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10180306

      This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »

    • TSB #20NA020

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10172288

      This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »

    SERVICE BRAKES, ELECTRIC

    • TSB #PIT5509F

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10173714

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT

    • TSB #PIP5834A

      Date Announced:
      FEB 22, 2022
      NHTSA ID:
      #10208990

      This Preliminary information communicates that the service 4wd message related to C119E can be diagnosed and repaired. Read More »

    SERVICE BRAKES, AIR

    • TSB #21-NA-214

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242114

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »

    SERVICE BRAKES, AIR:DISC:PADS

    • TSB #20NA020

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178963

      This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »

    SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

    • TSB #PIT5569B

      Date Announced:
      JUL 05, 2022
      NHTSA ID:
      #10217764

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. Read More »

    • TSB #PIT5707

      Date Announced:
      SEP 09, 2019
      NHTSA ID:
      #10165881

      This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed with C050A or C0504 DTC's set. Read More »

    PARKING BRAKE

    • TSB #PIT5662F

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201321

      This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186069

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #PIP5753

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181180

      PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. Read More »

    • TSB #PIT5657B

      Date Announced:
      OCT 15, 2019
      NHTSA ID:
      #10167438

      This Preliminary information communicates how to repair a loose shift cable bracket. Read More »

    PARKING BRAKE:ELECTRICAL:CONTROL MODULE

    • TSB #20-NA-207

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209097

      This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »

    ENGINE (PWS)

    • TSB #PIP5628G

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242298

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    • TSB #PIP5711C

      Date Announced:
      FEB 06, 2023
      NHTSA ID:
      #10232791

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #PIT5689E

      Date Announced:
      JAN 30, 2023
      NHTSA ID:
      #10231675

      This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Read More »

    • TSB #PIT5448H

      Date Announced:
      JUN 16, 2022
      NHTSA ID:
      #10216366

      This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »

    • TSB #16-NA-372

      Date Announced:
      MAY 25, 2022
      NHTSA ID:
      #10213255

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #12-00-89-003B

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10211658

      This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »

    • TSB #PIP5844

      Date Announced:
      MAR 17, 2022
      NHTSA ID:
      #10210334

      This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty. Read More »

    • TSB #PIP5838A

      Date Announced:
      MAR 09, 2022
      NHTSA ID:
      #10210325

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #18NA073

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10212605

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #PIP5632F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208029

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIT5448G

      Date Announced:
      NOV 02, 2021
      NHTSA ID:
      #10204437

      This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »

    • TSB #PIP5794B

      Date Announced:
      AUG 18, 2021
      NHTSA ID:
      #10201315

      This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »

    • TSB #PIP5806C

      Date Announced:
      AUG 16, 2021
      NHTSA ID:
      #10201311

      This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »

    • TSB #PIP5806B

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10201306

      This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »

    • TSB #18NA073

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10205048

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #PIT5689D

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10201279

      This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Read More »

    • TSB #PIE0642

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200114

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »

    • TSB #PIE0602B

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10200097

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199238

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #000601026N

      Date Announced:
      APR 22, 2021
      NHTSA ID:
      #10195126

      This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #PIP5752L

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193458

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #18NA073

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187745

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #PIE0590A

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188408

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center ... Read More »

    • TSB #PIE0602

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188412

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC ... Read More »

    • TSB #060089031F

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184501

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #PIP5733F

      Date Announced:
      NOV 17, 2020
      NHTSA ID:
      #10184120

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #PIP5711A

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10182584

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #19NA187

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183171

      This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »

    • TSB #16NA222

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183126

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #PIE0574A

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181729

      This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »

    • TSB #20NA176

      Date Announced:
      SEP 03, 2020
      NHTSA ID:
      #10181704

      This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern. Read More »

    • TSB #PIP5733C

      Date Announced:
      AUG 27, 2020
      NHTSA ID:
      #10179658

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #PIP5733B

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179625

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #16NA338

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178949

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIE0574

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10179536

      This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »

    • TSB #PIP5504F

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10178367

      This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »

    • TSB #PIP5733

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10178320

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #030601023D

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176645

      This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »

    • TSB #140604004G

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176650

      This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »

    • TSB #20NA096

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176631

      This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update. Read More »

    • TSB #20NA098

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176632

      This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »

    • TSB #20NA082

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175761

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #20NA083

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175762

      This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order. Read More »

    • TSB #PIP5711

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10173670

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #PIP5712

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10173671

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #20NA038

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172811

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #20NA043

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172814

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #PIP5656D

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172326

      This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #19NA212

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10171896

      This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition. Read More »

    • TSB #N192273400

      Date Announced:
      NOV 01, 2019
      NHTSA ID:
      #10169635

      N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Read More »

    • TSB #PIP5664

      Date Announced:
      AUG 01, 2019
      NHTSA ID:
      #10164738

      This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating. Read More »

    • TSB #16NA376

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163216

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #17NA374

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163222

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #18NA150

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163227

      This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #24-NA-020

      Date Announced:
      FEB 23, 2024
      NHTSA ID:
      #10250789

      This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. Read More »

    • TSB #22-NA-074

      Date Announced:
      FEB 22, 2024
      NHTSA ID:
      #10250775

      This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »

    • TSB #24-NA-020

      Date Announced:
      FEB 12, 2024
      NHTSA ID:
      #10250747

      This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. Read More »

    • TSB #16-NA-222

      Date Announced:
      FEB 07, 2024
      NHTSA ID:
      #10250503

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #22-NA-150

      Date Announced:
      FEB 05, 2024
      NHTSA ID:
      #10250507

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #16-NA-338

      Date Announced:
      FEB 02, 2024
      NHTSA ID:
      #10250347

      This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »

    • TSB #22-NA-112

      Date Announced:
      JAN 19, 2024
      NHTSA ID:
      #10249713

      This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3. Read More »

    • TSB #23-NA-170

      Date Announced:
      JAN 16, 2024
      NHTSA ID:
      #10249946

      This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. Read More »

    • TSB #PI1394B

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249579

      This PI bulletin advises the technician on the proper way to install the pistons in an engine. Read More »

    • TSB #22-NA-150

      Date Announced:
      JAN 04, 2024
      NHTSA ID:
      #10249005

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #22-NA-150

      Date Announced:
      DEC 21, 2023
      NHTSA ID:
      #10248709

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #20-NA-132

      Date Announced:
      DEC 08, 2023
      NHTSA ID:
      #10247192

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #03-00-91-001I

      Date Announced:
      NOV 06, 2023
      NHTSA ID:
      #10245395

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »

    • TSB #21-NA-228

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10245348

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #21-NA-228

      Date Announced:
      OCT 27, 2023
      NHTSA ID:
      #10245241

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #01-06-01-011O

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10244273

      This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #22-NA-150

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244205

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #23-NA-170

      Date Announced:
      SEP 22, 2023
      NHTSA ID:
      #10244180

      This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. Read More »

    • TSB #23-NA-073

      Date Announced:
      SEP 20, 2023
      NHTSA ID:
      #10244171

      This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister. Read More »

    • TSB #17-NA-157

      Date Announced:
      SEP 08, 2023
      NHTSA ID:
      #10242844

      This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter. Read More »

    • TSB #23-NA-150

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243713

      This technical bulletin provides repair information to correct a customer concern of Teen Driver Feature Not Limiting Speed Correctly. Read More »

    • TSB #23-NA-153

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10242843

      The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. Read More »

    • TSB #18-NA-073

      Date Announced:
      AUG 24, 2023
      NHTSA ID:
      #10242262

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #21-NA-214

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242114

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »

    • TSB #16-NA-222

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242070

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #23-NA-141

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242204

      This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged ... Read More »

    • TSB #15-00-89-004F

      Date Announced:
      AUG 07, 2023
      NHTSA ID:
      #10242061

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #04-06-04-051H

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241417

      This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »

    • TSB #16-NA-244

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241502

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #03-06-01-023G

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240344

      This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »

    • TSB #20-NA-090

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240361

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #09-06-04-026X

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240359

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #23-NA-027

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10239674

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #22-NA-080

      Date Announced:
      JUL 14, 2023
      NHTSA ID:
      #10239633

      This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »

    • TSB #01-06-01-011N

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239101

      This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #23-NA-073

      Date Announced:
      JUN 19, 2023
      NHTSA ID:
      #10239087

      This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister. Read More »

    • TSB #17-NA-374

      Date Announced:
      JUN 07, 2023
      NHTSA ID:
      #10237935

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #04-07-30-013E

      Date Announced:
      JUN 07, 2023
      NHTSA ID:
      #10237846

      This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »

    • TSB #22-NA-150

      Date Announced:
      MAY 17, 2023
      NHTSA ID:
      #10237232

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #19-NA-219

      Date Announced:
      APR 24, 2023
      NHTSA ID:
      #10235802

      This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. Read More »

    • TSB #19-NA-237

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235397

      This service bulletin explains how to identify possible DEF system contamination. Read More »

    • TSB #PI0281J

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235561

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #20-NA-132

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235398

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »

    • TSB #23-NA-027

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234176

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #19-NA-219

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234141

      This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. Read More »

    • TSB #20-NA-082

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234142

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #22-NA-150

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234150

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234144

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #00-06-01-012M

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10233829

      This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #22-NA-009

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234110

      This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »

    • TSB #00-06-01-026Q

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10233830

      This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #16-NA-222

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10233835

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #18-NA-073

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10233969

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #19-NA-237

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234105

      This service bulletin explains how to identify possible DEF system contamination. Read More »

    • TSB #16-NA-244

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233838

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16-NA-372

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233839

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #07-06-01-016I

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233831

      This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #16-NA-380

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233844

      This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #10-06-05-002L

      Date Announced:
      MAR 14, 2023
      NHTSA ID:
      #10233833

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #16-NA-376

      Date Announced:
      MAR 13, 2023
      NHTSA ID:
      #10233840

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #18-NA-361

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10233334

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #23-NA-032

      Date Announced:
      MAR 06, 2023
      NHTSA ID:
      #10233347

      The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure. Read More »

    • TSB #22-NA-150

      Date Announced:
      FEB 22, 2023
      NHTSA ID:
      #10232459

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #22-NA-115

      Date Announced:
      FEB 01, 2023
      NHTSA ID:
      #10231893

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #20-NA-203

      Date Announced:
      JAN 25, 2023
      NHTSA ID:
      #10231499

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #22-NA-115

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230603

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #21-NA-228

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10228893

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #18-NA-073

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10228886

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #21-NA-124

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10228888

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »

    • TSB #16-NA-338

      Date Announced:
      DEC 13, 2022
      NHTSA ID:
      #10228863

      This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »

    • TSB #20-NA-138

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227241

      This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »

    • TSB #22-NA-216

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227261

      This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running ... Read More »

    • TSB #22-NA-074

      Date Announced:
      NOV 09, 2022
      NHTSA ID:
      #10227056

      This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »

    • TSB #18-NA-361

      Date Announced:
      NOV 07, 2022
      NHTSA ID:
      #10227041

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #22-NA-218

      Date Announced:
      OCT 31, 2022
      NHTSA ID:
      #10225749

      This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer. Read More »

    • TSB #22-NA-216

      Date Announced:
      OCT 26, 2022
      NHTSA ID:
      #10225719

      This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running ... Read More »

    • TSB #PIP5175E

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10226384

      This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »

    • TSB #22-NA-201

      Date Announced:
      OCT 17, 2022
      NHTSA ID:
      #10225608

      This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs Set. Read More »

    • TSB #21-NA-006

      Date Announced:
      OCT 10, 2022
      NHTSA ID:
      #10224850

      This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »

    • TSB #PIE0665C

      Date Announced:
      SEP 29, 2022
      NHTSA ID:
      #10222842

      This engineering information (EI) closure ends the need for further information from the field in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions Systema?? message on the Driver Information Center (DIC). Read More »

    • TSB #03-06-04-017R

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222823

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #05-06-04-022T

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222766

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #15-00-89-004E

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222777

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #06-00-89-031H

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222770

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #07-06-01-016H

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222771

      This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #09-06-04-026W

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222772

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #16-NA-244

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222778

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16-NA-380

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222779

      This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #18-NA-103

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222780

      This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »

    • TSB #05-00-89-072F

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222765

      This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management. Read More »

    • TSB #22-NA-009

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222796

      This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »

    • TSB #20-NA-203

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222783

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #01-06-01-011M

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222734

      This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #00-06-01-012L

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222732

      This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #04-06-04-051G

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222739

      This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »

    • TSB #10-06-05-002K

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222773

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #19-NA-237

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222781

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #20-NA-082

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222782

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #00-06-01-026P

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222205

      This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #16-NA-222

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222650

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #17-NA-374

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222654

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #18-NA-011

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222655

      Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph. Read More »

    • TSB #21-NA-113

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222662

      This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »

    • TSB #20-NA-090

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222660

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #18-NA-098

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222656

      This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »

    • TSB #18-NA-150

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222657

      This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »

    • TSB #19-NA-187

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222659

      This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »

    • TSB #16-NA-376

      Date Announced:
      SEP 08, 2022
      NHTSA ID:
      #10222652

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #16-NA-372

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222651

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #PIE0665B

      Date Announced:
      SEP 02, 2022
      NHTSA ID:
      #10220320

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions Systema?? ... Read More »

    • TSB #03-06-01-023F

      Date Announced:
      AUG 26, 2022
      NHTSA ID:
      #10219277

      This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »

    • TSB #20-NA-065

      Date Announced:
      AUG 15, 2022
      NHTSA ID:
      #10219266

      This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set. Read More »

    • TSB #19-NA-044

      Date Announced:
      AUG 10, 2022
      NHTSA ID:
      #10218873

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #22-NA-150

      Date Announced:
      AUG 01, 2022
      NHTSA ID:
      #10217923

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #22-NA-080

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217069

      This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »

    • TSB #12-01-37-001F

      Date Announced:
      JUN 27, 2022
      NHTSA ID:
      #10215643

      This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. Read More »

    • TSB #22-NA-115

      Date Announced:
      JUN 23, 2022
      NHTSA ID:
      #10215629

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #22-NA-009

      Date Announced:
      JUN 15, 2022
      NHTSA ID:
      #10214869

      This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »

    • TSB #21-NA-077

      Date Announced:
      JUN 09, 2022
      NHTSA ID:
      #10214502

      This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. Read More »

    • TSB #PIE0695A

      Date Announced:
      JUN 08, 2022
      NHTSA ID:
      #10214510

      This engineering information (EI) closure ends the need for further information from the field in regards Service Emission System and/or DEF Level Low message on driver information center (DIC). Read More »

    • TSB #22-NA-115

      Date Announced:
      MAY 27, 2022
      NHTSA ID:
      #10213535

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #22-NA-110

      Date Announced:
      MAY 24, 2022
      NHTSA ID:
      #10213517

      THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber. Read More »

    • TSB #20-NA-218

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213034

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213036

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #14-06-04-004H

      Date Announced:
      MAY 12, 2022
      NHTSA ID:
      #10212908

      This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »

    • TSB #PIE0695

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212951

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center ... Read More »

    • TSB #03-06-01-023E

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211061

      This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »

    • TSB #22-NA-080

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210849

      This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »

    • TSB #21-NA-214

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10210030

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, ... Read More »

    • TSB #22-NA-074

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209980

      This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »

    • TSB #22-NA-009

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209921

      This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »

    • TSB #PIP5844

      Date Announced:
      MAR 17, 2022
      NHTSA ID:
      #10210334

      This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty. Read More »

    • TSB #PIP5838A

      Date Announced:
      MAR 09, 2022
      NHTSA ID:
      #10210325

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #PIP5791A

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10208063

      This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root ... Read More »

    • TSB #PIP5808A

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10208064

      This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM. Read More »

    • TSB #21NA214

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214212

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, ... Read More »

    • TSB #PIT5479E

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208035

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #19NA187

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10212612

      This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »

    • TSB #18NA011

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10212601

      Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph. Read More »

    • TSB #18NA098

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10212606

      This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »

    • TSB #PIP5832

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10206733

      This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis. Read More »

    • TSB #PIP5628E

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10206726

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    • TSB #21NA265

      Date Announced:
      NOV 18, 2021
      NHTSA ID:
      #10205584

      This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. Read More »

    • TSB #19NA104

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205539

      This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #21NA125

      Date Announced:
      JUN 02, 2021
      NHTSA ID:
      #10200130

      This service bulletin provides a procedure to correct a condition of a Service Emission System and/or Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), DTC P208B Set. Read More »

    • TSB #21NA113

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10198884

      This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »

    • TSB #20NA218

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10198862

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198847

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #PIP5791

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190421

      This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root ... Read More »

    • TSB #21NA056

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191229

      This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling. Read More »

    • TSB #20NA082

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191202

      This informational bulletin explains why more DEF is being used in diesel engines do to new emission standards. Read More »

    • TSB #21NA002

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191212

      This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »

    • TSB #20NA218

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10186086

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186104

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #PIT5479D

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185734

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #PIT5479D

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187185

      This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187383

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #18NA098

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184479

      This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #PIP5752F

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182580

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #PIP5752E

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10182570

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #PIP5759

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182565

      This Preliminary information communicates 6.2L engine restriction, Contact TAC Read More »

    • TSB #PIP5752D

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182567

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #18NA150

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183155

      This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »

    • TSB #PIP5752C

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10182555

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #PIP5752B

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10182552

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #PIP5733E

      Date Announced:
      OCT 05, 2020
      NHTSA ID:
      #10182535

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #PIP5733D

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181158

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #PIP5752A

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181159

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #PIP5751

      Date Announced:
      SEP 15, 2020
      NHTSA ID:
      #10181141

      This PI was created to gather data to root cause the P06DD and/or oil consumption Read More »

    • TSB #PIP5498M

      Date Announced:
      AUG 21, 2020
      NHTSA ID:
      #10179646

      This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. Read More »

    • TSB #PIE0574

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10179536

      This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »

    • TSB #PIP4912G

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178350

      This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. Read More »

    • TSB #PIP5742

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178341

      This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover. Read More »

    • TSB #PIP5735

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178331

      This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake. Read More »

    • TSB #20NA043

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176624

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA090

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176630

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #PIP5719B

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174860

      This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern. Read More »

    • TSB #PIP5719A

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174826

      This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern. Read More »

    • TSB #140604004F

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10174305

      This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »

    • TSB #N192277930

      Date Announced:
      DEC 06, 2019
      NHTSA ID:
      #10171248

      N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yoke-to-tube friction weld joint under torsional load. Read More »

    • TSB #N192267990

      Date Announced:
      DEC 05, 2019
      NHTSA ID:
      #10171247

      N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Read More »

    • TSB #N192266750-01

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10171240

      N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »

    • TSB #PIP5370E

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10167448

      This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid ... Read More »

    • TSB #18NA361

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168193

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #010601011K

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168205

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #N192266751

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10167478

      N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »

    • TSB #PIP5664C

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10167424

      This Preliminary information communicates to the dealer technician to refer to Service Update N192266750. Read More »

    • TSB #N192266750

      Date Announced:
      OCT 01, 2019
      NHTSA ID:
      #10167472

      N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »

    • TSB #16NA372

      Date Announced:
      OCT 01, 2019
      NHTSA ID:
      #10168177

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #PIP5656C

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10165917

      This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »

    • TSB #PIP5656B

      Date Announced:
      SEP 09, 2019
      NHTSA ID:
      #10165880

      This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »

    • TSB #PIT5448F

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165870

      This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »

    • TSB #PIP5656A

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165873

      This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance. Read More »

    • TSB #19NA187

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165116

      This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »

    • TSB #090604026R

      Date Announced:
      AUG 21, 2019
      NHTSA ID:
      #10165124

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #000601026M

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165121

      This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #070601016F

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165122

      This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #PIP5656

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10162158

      This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance. Read More »

    • TSB #18NA098

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163225

      This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187627

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

    • TSB #21NA113

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10214207

      This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »

    • TSB #PIP5735A

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10206717

      This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #20-NA-082

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241853

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #N212354170-02

      Date Announced:
      APR 25, 2022
      NHTSA ID:
      #10210499

      Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. Read More »

    • TSB #N212342980-01

      Date Announced:
      FEB 04, 2022
      NHTSA ID:
      #10207646

      Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »

    • TSB #20NA110

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10214200

      This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »

    • TSB #20NA203

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10214204

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #030604017O

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184500

      This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16NA372

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183130

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #16NA376

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183131

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #18NA361

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183162

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #PIP5748

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179641

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #N202300791

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10213747

      Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is ... Read More »

    • TSB #17NA374

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178951

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #N202300791

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176821

      Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »

    • TSB #N192286190

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172662

      Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #18NA150

      Date Announced:
      JAN 07, 2022
      NHTSA ID:
      #10212608

      This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187625

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

    • TSB #22NA009

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10212625

      This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »

    • TSB #16NA222

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212588

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #PIP5628F

      Date Announced:
      APR 24, 2023
      NHTSA ID:
      #10236164

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    • TSB #20NA197

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10212562

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #21NA002

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10187767

      This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »

    • TSB #20NA090

      Date Announced:
      NOV 17, 2020
      NHTSA ID:
      #10184485

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #20NA195

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183197

      This technical bulletin provides a procedure to replace the NOx2 sensor if found the cause of the customers concern. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

    • TSB #20NA090

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10214199

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #21NA113

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10214207

      This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »

    • TSB #20NA218

      Date Announced:
      JAN 15, 2021
      NHTSA ID:
      #10187763

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #20NA218

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10186086

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #20NA218

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187413

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

    • TSB #22-NA-080

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217069

      This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »

    • TSB #PIP5840

      Date Announced:
      FEB 25, 2022
      NHTSA ID:
      #10208993

      This Preliminary information communicates to technicians to modify the camshaft housing cover insulator by removing the stand off identified in the attached pictures. Read More »

    • TSB #PIP5712B

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190430

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »

    • TSB #PIP5712A

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190396

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #21NA237

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10207914

      THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

    • TSB #21NA237

      Date Announced:
      NOV 18, 2021
      NHTSA ID:
      #10205563

      THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

    • TSB #18NA103

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183153

      This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #10-06-05-002M

      Date Announced:
      AUG 02, 2023
      NHTSA ID:
      #10241418

      This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #16-NA-244

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233838

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16-NA-380

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233844

      This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #PIE0665A

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10213713

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions ... Read More »

    • TSB #22-NA-110

      Date Announced:
      MAY 24, 2022
      NHTSA ID:
      #10213517

      THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber. Read More »

    • TSB #19NA237

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212616

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #20NA203

      Date Announced:
      JAN 05, 2021
      NHTSA ID:
      #10187761

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #100605002I

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184502

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #17NA374

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183150

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #PIP5748

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179641

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #N202300791

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176821

      Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »

    • TSB #100605002H

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168209

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #19-NA-044

      Date Announced:
      FEB 07, 2024
      NHTSA ID:
      #10250505

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #20-NA-082

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222782

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #PIE0642A

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200170

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »

    • TSB #21NA006

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10187769

      This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »

    • TSB #21NA007

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10187770

      This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern. Read More »

    • TSB #20NA142

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187759

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #15NA010

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171875

      This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

    • TSB #PIP5503B

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10171264

      This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

    • TSB #22NA025

      Date Announced:
      FEB 02, 2022
      NHTSA ID:
      #10214241

      This technical bulletin provides a procedure to check and repair the balancer if found contacting the front cover. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #16NA380

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178252

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #16NA380

      Date Announced:
      AUG 26, 2019
      NHTSA ID:
      #10165080

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #19-NA-044

      Date Announced:
      FEB 07, 2024
      NHTSA ID:
      #10250505

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #PIT5636D

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10246007

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #04-06-04-051H

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241417

      This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »

    • TSB #PIT5636C

      Date Announced:
      MAR 21, 2023
      NHTSA ID:
      #10234227

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234144

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #PIT5161J

      Date Announced:
      JAN 09, 2023
      NHTSA ID:
      #10231632

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #05-06-04-022T

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222766

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #05-00-89-072F

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222765

      This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management. Read More »

    • TSB #04-06-04-051G

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222739

      This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »

    • TSB #19-NA-044

      Date Announced:
      AUG 10, 2022
      NHTSA ID:
      #10218873

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #PIP5838B

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10216352

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213036

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #PIP5851

      Date Announced:
      MAY 05, 2022
      NHTSA ID:
      #10213786

      This Preliminary information communicates to technicians a replacement DEF tank may have been assembled with the incorrect harness. Read More »

    • TSB #21NA238

      Date Announced:
      FEB 18, 2022
      NHTSA ID:
      #10214235

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #PIP5838

      Date Announced:
      FEB 15, 2022
      NHTSA ID:
      #10208987

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #18NA103

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10212607

      This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »

    • TSB #18NA361

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212611

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #030604017P

      Date Announced:
      JAN 07, 2022
      NHTSA ID:
      #10213758

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16NA244

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212589

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16NA372

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212593

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #050604022S

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213759

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #20NA110

      Date Announced:
      AUG 20, 2021
      NHTSA ID:
      #10205057

      This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10198865

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10199256

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #18NA361

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198846

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #20NA197

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10191209

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #PIT5161H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184142

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #18NA103

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183153

      This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »

    • TSB #18NA361

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181676

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #20NA110

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10178270

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #PIT5636A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171298

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #PIP5695

      Date Announced:
      DEC 20, 2019
      NHTSA ID:
      #10170488

      This Preliminary information communicates to dealer technicians to check for open field actions or ECM updates for fuel gauge concerns or DTCs P24B0 or P0461. Read More »

    • TSB #N192273400

      Date Announced:
      NOV 01, 2019
      NHTSA ID:
      #10169635

      N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Read More »

    • TSB #PIT5161G

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10167458

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #18NA361

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10165093

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #18NA361

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163208

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #18NA103

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163226

      This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE

    • TSB #PIT5161K

      Date Announced:
      JAN 10, 2024
      NHTSA ID:
      #10249971

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199281

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS

    • TSB #20NA197

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181720

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #04-06-04-051F

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209734

      This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

    • TSB #20NA197

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184492

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #20NA098

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176632

      This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR

    • TSB #20NA043

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10214197

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    FUEL SYSTEM, DIESEL

    • TSB #22-NA-150

      Date Announced:
      JAN 04, 2024
      NHTSA ID:
      #10249005

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #22-NA-150

      Date Announced:
      DEC 21, 2023
      NHTSA ID:
      #10248709

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #22-NA-150

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244205

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #10-06-05-002M

      Date Announced:
      AUG 02, 2023
      NHTSA ID:
      #10241418

      This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #03-06-04-017T

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241416

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #18-NA-103

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241503

      This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »

    • TSB #16-NA-244

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241502

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #20-NA-082

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241853

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #23-NA-027

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10239674

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #22-NA-150

      Date Announced:
      MAY 17, 2023
      NHTSA ID:
      #10237232

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #23-NA-027

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10235765

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #19-NA-237

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235397

      This service bulletin explains how to identify possible DEF system contamination. Read More »

    • TSB #23-NA-027

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234176

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #03-06-04-017S

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234139

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16-NA-244

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233838

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #18-NA-361

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10233334

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #18-NA-361

      Date Announced:
      NOV 07, 2022
      NHTSA ID:
      #10227041

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #21-NA-006

      Date Announced:
      OCT 10, 2022
      NHTSA ID:
      #10224850

      This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »

    • TSB #03-06-04-017R

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222823

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #05-06-04-022T

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222766

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #16-NA-244

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222778

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16-NA-380

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222779

      This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #18-NA-103

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222780

      This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »

    • TSB #03-06-04-017Q

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222736

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #20-NA-203

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222783

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #10-06-05-002K

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222773

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #19-NA-237

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222781

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #20-NA-082

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222782

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #18-NA-361

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222658

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #22-NA-150

      Date Announced:
      AUG 01, 2022
      NHTSA ID:
      #10217923

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #PIP5838B

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10216352

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #PIP5856

      Date Announced:
      MAY 26, 2022
      NHTSA ID:
      #10213816

      This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213036

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #PIE0695

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212951

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center ... Read More »

    • TSB #PIP5838

      Date Announced:
      FEB 15, 2022
      NHTSA ID:
      #10208987

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #N212342980-01

      Date Announced:
      FEB 04, 2022
      NHTSA ID:
      #10207646

      Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »

    • TSB #N212342980

      Date Announced:
      JAN 20, 2022
      NHTSA ID:
      #10206819

      On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »

    • TSB #030604017P

      Date Announced:
      JAN 07, 2022
      NHTSA ID:
      #10213758

      This service bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16NA244

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212589

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #16NA372

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212593

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #050604022S

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213759

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #18NA361

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199237

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #21NA002

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10187767

      This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »

    • TSB #20NA110

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187757

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #030604017O

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184500

      This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »

    • TSB #16NA244

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183127

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #19NA237

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183176

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #16NA372

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183130

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #16NA376

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183131

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #050604022R

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183779

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #18NA361

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183162

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #20NA110

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183168

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #N202300791

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10213747

      Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is ... Read More »

    • TSB #N202300791

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176821

      Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »

    • TSB #20NA038

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172811

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #19NA237

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10168197

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

    • TSB #20NA110

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10214200

      This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »

    • TSB #20NA110

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183168

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    FUEL SYSTEM, OTHER

    • TSB #150089004D

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213765

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #18NA150

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183155

      This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »

    • TSB #PIE0574A

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181729

      This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »

    POWER TRAIN

    • TSB #21-NA-238

      Date Announced:
      FEB 20, 2024
      NHTSA ID:
      #10250774

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #23-NA-185

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10250582

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #16-NA-338

      Date Announced:
      FEB 02, 2024
      NHTSA ID:
      #10250347

      This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »

    • TSB #PIP5810B

      Date Announced:
      JAN 29, 2024
      NHTSA ID:
      #10249999

      This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »

    • TSB #21-NA-238

      Date Announced:
      JAN 22, 2024
      NHTSA ID:
      #10250250

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #21-NA-120

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249712

      This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »

    • TSB #PI1394B

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249579

      This PI bulletin advises the technician on the proper way to install the pistons in an engine. Read More »

    • TSB #23-NA-185

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249008

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #21-NA-238

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249004

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #PIT6096

      Date Announced:
      DEC 05, 2023
      NHTSA ID:
      #10249263

      This Preliminary information communicates a diagnostic tip for the 110 /120 volt power outlets being inoperative and dealerships should try a battery disconnect to see if the concern goes away. Read More »

    • TSB #03-00-91-001I

      Date Announced:
      NOV 06, 2023
      NHTSA ID:
      #10245395

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »

    • TSB #PIP5949

      Date Announced:
      NOV 03, 2023
      NHTSA ID:
      #10247344

      This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor. Read More »

    • TSB #23-NA-185

      Date Announced:
      OCT 24, 2023
      NHTSA ID:
      #10245244

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #22-NA-225

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10245200

      This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »

    • TSB #21-NA-275

      Date Announced:
      OCT 10, 2023
      NHTSA ID:
      #10244949

      This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing a??Da?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or ... Read More »

    • TSB #21-NA-120

      Date Announced:
      SEP 19, 2023
      NHTSA ID:
      #10243980

      This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »

    • TSB #20-NA-142

      Date Announced:
      SEP 13, 2023
      NHTSA ID:
      #10243749

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #23-NA-153

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10242843

      The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. Read More »

    • TSB #PIP5621D

      Date Announced:
      AUG 24, 2023
      NHTSA ID:
      #10242309

      This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #22-NA-187

      Date Announced:
      AUG 22, 2023
      NHTSA ID:
      #10242263

      This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »

    • TSB #21-NA-214

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242114

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »

    • TSB #15-00-89-004F

      Date Announced:
      AUG 07, 2023
      NHTSA ID:
      #10242061

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #20-NA-142

      Date Announced:
      JUL 26, 2023
      NHTSA ID:
      #10240185

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #17-NA-066

      Date Announced:
      JUL 21, 2023
      NHTSA ID:
      #10239647

      This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #17-NA-066

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239103

      This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #PIP5926B

      Date Announced:
      JUN 26, 2023
      NHTSA ID:
      #10239179

      This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. Read More »

    • TSB #04-07-30-013E

      Date Announced:
      JUN 07, 2023
      NHTSA ID:
      #10237846

      This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »

    • TSB #PIP5926

      Date Announced:
      JUN 07, 2023
      NHTSA ID:
      #10239150

      This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. Read More »

    • TSB #08-07-30-026H

      Date Announced:
      MAY 30, 2023
      NHTSA ID:
      #10237387

      This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »

    • TSB #PIT5544G

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237675

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #PIC5650K

      Date Announced:
      MAY 15, 2023
      NHTSA ID:
      #10237659

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #08-07-30-035G

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234619

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #PI0281J

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235561

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #22-NA-147

      Date Announced:
      MAR 28, 2023
      NHTSA ID:
      #10234169

      This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C15AC Set. Read More »

    • TSB #22-NA-148

      Date Announced:
      MAR 28, 2023
      NHTSA ID:
      #10234170

      This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event. Read More »

    • TSB #16-NA-130

      Date Announced:
      MAR 02, 2023
      NHTSA ID:
      #10232711

      This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »

    • TSB #99-04-20-002N

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232275

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #PIP5901

      Date Announced:
      FEB 15, 2023
      NHTSA ID:
      #10232816

      This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development. Read More »

    • TSB #PIP5900

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232809

      This Preliminary information communicates to the dealer a diagnostic and repair direction to a possible engine crankshaft bearing failure. Read More »

    • TSB #22-NA-187

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231427

      This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »

    • TSB #21-NA-238

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231399

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #20-NA-142

      Date Announced:
      JAN 12, 2023
      NHTSA ID:
      #10230608

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #19-NA-136

      Date Announced:
      DEC 21, 2022
      NHTSA ID:
      #10228907

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #16-NA-338

      Date Announced:
      DEC 13, 2022
      NHTSA ID:
      #10228863

      This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »

    • TSB #20-NA-142

      Date Announced:
      NOV 30, 2022
      NHTSA ID:
      #10227398

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #19-NA-136

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227229

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #20-NA-138

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227241

      This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »

    • TSB #21-NA-120

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10227252

      This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »

    • TSB #22-NA-225

      Date Announced:
      NOV 09, 2022
      NHTSA ID:
      #10227058

      This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern. Read More »

    • TSB #PIP5175E

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10226384

      This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »

    • TSB #PIP5882

      Date Announced:
      OCT 03, 2022
      NHTSA ID:
      #10226356

      This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern. Read More »

    • TSB #22-NA-185

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10222832

      This informational bulletin explains how the trans slip or flare can be a normal condition. Read More »

    • TSB #15-00-89-004E

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222777

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    • TSB #06-00-89-031H

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222770

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #PIP5621C

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10224285

      This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #PIP5640A

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10224273

      This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »

    • TSB #22-NA-181

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220319

      This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission. Read More »

    • TSB #21-NA-275

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219291

      This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing a??Da?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or ... Read More »

    • TSB #21-NA-199

      Date Announced:
      AUG 10, 2022
      NHTSA ID:
      #10218882

      This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »

    • TSB #21-NA-199

      Date Announced:
      JUL 26, 2022
      NHTSA ID:
      #10217111

      This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »

    • TSB #20-NA-142

      Date Announced:
      JUN 15, 2022
      NHTSA ID:
      #10214858

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #PIE0665A

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10213713

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions ... Read More »

    • TSB #20-NA-142

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213032

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #21-NA-275

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213229

      This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing a??Da?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or ... Read More »

    • TSB #20-NA-050

      Date Announced:
      APR 28, 2022
      NHTSA ID:
      #10211070

      This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »

    • TSB #PIP5794B

      Date Announced:
      APR 21, 2022
      NHTSA ID:
      #10211773

      This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »

    • TSB #21-NA-214

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10210030

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, ... Read More »

    • TSB #20-NA-209

      Date Announced:
      MAR 24, 2022
      NHTSA ID:
      #10209905

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #20-NA-207

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209097

      This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »

    • TSB #PIP5706A

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10210314

      This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Read More »

    • TSB #21NA238

      Date Announced:
      FEB 18, 2022
      NHTSA ID:
      #10214235

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #21NA214

      Date Announced:
      FEB 16, 2022
      NHTSA ID:
      #10214230

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »

    • TSB #21NA238

      Date Announced:
      NOV 09, 2021
      NHTSA ID:
      #10205564

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #PIP5806D

      Date Announced:
      SEP 22, 2021
      NHTSA ID:
      #10202401

      This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #PIP5807

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10197303

      This Preliminary information communicates to the dealer technician that it is a normal characteristic for vehicles equipped with the 10L1000 transmission to start off in second gear in normal driving mode. Read More »

    • TSB #21NA120

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198888

      This technical bulletin provides the tech with a procedure to check if the transmission is the cause of the concern by checking the data. Read More »

    • TSB #21NA120

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10199279

      This technical bulletin provides the tech with a procedure to check if the transmission is the cause of the concern by checking the data. Read More »

    • TSB #21NA113

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10199275

      This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »

    • TSB #16NA338

      Date Announced:
      APR 30, 2021
      NHTSA ID:
      #10194079

      This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »

    • TSB #20NA218

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194090

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #PIP5794A

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10193436

      This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »

    • TSB #PIP5712B

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190430

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »

    • TSB #PIP5794

      Date Announced:
      MAR 25, 2021
      NHTSA ID:
      #10190427

      This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »

    • TSB #PIT5544D

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190362

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #PIP5770

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10185740

      This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »

    • TSB #PIP5770

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187191

      This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187372

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #PIE0583B

      Date Announced:
      NOV 18, 2020
      NHTSA ID:
      #10184510

      This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern ... Read More »

    • TSB #19NA187

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183171

      This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »

    • TSB #PIE0583A

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10183789

      This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern ... Read More »

    • TSB #PIE0583

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181731

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to Early, Late, Harsh and/or Slip Type Transmission Performance. Read More »

    • TSB #16NA019

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181660

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #16NA338

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178949

      This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »

    • TSB #PIP5504F

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10178367

      This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »

    • TSB #PIP5504E

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178345

      This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »

    • TSB #N192282860 01

      Date Announced:
      MAY 15, 2020
      NHTSA ID:
      #10178400

      Service Update (Population Expansion). Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module. Read More »

    • TSB #N192282860 01

      Date Announced:
      MAY 15, 2020
      NHTSA ID:
      #10207732

      Service Update. Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module. Read More »

    • TSB #N192282860

      Date Announced:
      MAY 14, 2020
      NHTSA ID:
      #10176814

      Service Update - Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module. Read More »

    • TSB #PIP5727

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176307

      This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the ... Read More »

    • TSB #PIP5429A

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176309

      This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »

    • TSB #20NA019

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10174278

      This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition. Read More »

    • TSB #20NA019

      Date Announced:
      FEB 25, 2020
      NHTSA ID:
      #10173408

      This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition. Read More »

    • TSB #PIP5706

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10171312

      This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Read More »

    • TSB #PIP5504C

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171290

      This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »

    • TSB #990420002K

      Date Announced:
      OCT 29, 2019
      NHTSA ID:
      #10168212

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »

    • TSB #PIP5655A

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10167433

      This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »

    • TSB #PIP5677

      Date Announced:
      SEP 23, 2019
      NHTSA ID:
      #10165901

      This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Read More »

    • TSB #PIP5655

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10162119

      This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »

    POWER TRAIN:CLUTCH ASSEMBLY

    • TSB #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

      This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    POWER TRAIN:MANUAL TRANSMISSION:SEALS/GASKETS

    • TSB #PIP5810

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10201286

      This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #17-NA-066

      Date Announced:
      JUL 21, 2023
      NHTSA ID:
      #10239647

      This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #21NA214

      Date Announced:
      FEB 16, 2022
      NHTSA ID:
      #10214230

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »

    • TSB #PIP5834

      Date Announced:
      FEB 08, 2022
      NHTSA ID:
      #10208976

      This Preliminary information communicates that the service 4wd message related to C119E is under investigation for a repair. Read More »

    • TSB #21NA214

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214212

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, ... Read More »

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #060089031F

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184501

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #PIP5655B

      Date Announced:
      JUL 16, 2020
      NHTSA ID:
      #10178373

      This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »

    • TSB #19NA216

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10166658

      This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern. Read More »

    • TSB #080730026F

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165123

      This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #PIP5621C

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10224285

      This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #N212354170-02

      Date Announced:
      APR 25, 2022
      NHTSA ID:
      #10210499

      Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. Read More »

    • TSB #19NA228

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178259

      This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • TSB #PIP5926A

      Date Announced:
      JUN 16, 2023
      NHTSA ID:
      #10239164

      This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. Read More »

    • TSB #150089004C

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188403

      This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

    • TSB #16-NA-130

      Date Announced:
      MAR 02, 2023
      NHTSA ID:
      #10232711

      This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:FILTER/SCREEN

    • TSB #PIT5702C

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10208013

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #20NA142

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187759

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #PIP5810A

      Date Announced:
      SEP 19, 2022
      NHTSA ID:
      #10224291

      This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186069

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #PIE0560A

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175858

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC). Read More »

    • TSB #19NA216

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171898

      This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern. Read More »

    POWER TRAIN:DRIVELINE

    • TSB #PIE0602C

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200155

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    ELECTRICAL SYSTEM

    • TSB #23-NA-185

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10250582

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #24-NA-020

      Date Announced:
      FEB 12, 2024
      NHTSA ID:
      #10250747

      This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. Read More »

    • TSB #22-NA-150

      Date Announced:
      FEB 05, 2024
      NHTSA ID:
      #10250507

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #PIT5702E

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250002

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #23-NA-055

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250276

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-189

      Date Announced:
      JAN 29, 2024
      NHTSA ID:
      #10250278

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #22-NA-112

      Date Announced:
      JAN 19, 2024
      NHTSA ID:
      #10249713

      This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3. Read More »

    • TSB #21-NA-155

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249034

      This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »

    • TSB #PIT5743D

      Date Announced:
      JAN 09, 2024
      NHTSA ID:
      #10249969

      This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »

    • TSB #PI0592I

      Date Announced:
      JAN 08, 2024
      NHTSA ID:
      #10249535

      This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #22-NA-150

      Date Announced:
      JAN 04, 2024
      NHTSA ID:
      #10249005

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #23-NA-185

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249008

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #22-NA-150

      Date Announced:
      DEC 21, 2023
      NHTSA ID:
      #10248709

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #PIT5386J

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10249298

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #20-NA-132

      Date Announced:
      DEC 08, 2023
      NHTSA ID:
      #10247192

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #23-NA-112

      Date Announced:
      NOV 03, 2023
      NHTSA ID:
      #10245359

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #21-NA-228

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10245348

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #21-NA-228

      Date Announced:
      OCT 27, 2023
      NHTSA ID:
      #10245241

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #23-NA-189

      Date Announced:
      OCT 25, 2023
      NHTSA ID:
      #10245248

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #23-NA-185

      Date Announced:
      OCT 24, 2023
      NHTSA ID:
      #10245244

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #PIT5636D

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10246007

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #23-NA-065

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10245201

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #21-NA-228

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244203

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #22-NA-150

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244205

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #PIT5698D

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10247778

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #07-08-49-020R

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244214

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #21-NA-166

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10242936

      This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »

    • TSB #23-NA-150

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243713

      This technical bulletin provides repair information to correct a customer concern of Teen Driver Feature Not Limiting Speed Correctly. Read More »

    • TSB #22-NA-187

      Date Announced:
      AUG 22, 2023
      NHTSA ID:
      #10242263

      This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »

    • TSB #23-NA-065

      Date Announced:
      AUG 14, 2023
      NHTSA ID:
      #10242243

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #21-NA-214

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242114

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »

    • TSB #16-NA-222

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242070

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #18-NA-103

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241503

      This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »

    • TSB #20-NA-090

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240361

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #09-06-04-026X

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240359

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #22-NA-183

      Date Announced:
      JUL 20, 2023
      NHTSA ID:
      #10239670

      This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. Read More »

    • TSB #23-NA-027

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10239674

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #07-08-42-006S

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10239629

      This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »

    • TSB #23-NA-125

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239645

      This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. Read More »

    • TSB #23-NA-055

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239638

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-064

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239116

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #23-NA-112

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239121

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #13-08-116-001I

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239102

      The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #21-NA-005

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239112

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    • TSB #21-NA-061

      Date Announced:
      JUN 12, 2023
      NHTSA ID:
      #10239039

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #23-NA-062

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237843

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »

    • TSB #PIT5509K

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237677

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #22-NA-150

      Date Announced:
      MAY 17, 2023
      NHTSA ID:
      #10237232

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #PIT5509J

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10236167

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #23-NA-027

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10235765

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235604

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #23-NA-053

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10235403

      This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »

    • TSB #20-NA-198

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235399

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #22-NA-172

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235400

      This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI. Read More »

    • TSB #20-NA-132

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235398

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »

    • TSB #23-NA-064

      Date Announced:
      APR 03, 2023
      NHTSA ID:
      #10235405

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #23-NA-027

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234176

      This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »

    • TSB #23-NA-062

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234186

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »

    • TSB #22-NA-147

      Date Announced:
      MAR 28, 2023
      NHTSA ID:
      #10234169

      This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C15AC Set. Read More »

    • TSB #22-NA-148

      Date Announced:
      MAR 28, 2023
      NHTSA ID:
      #10234170

      This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event. Read More »

    • TSB #23-NA-055

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234163

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-053

      Date Announced:
      MAR 22, 2023
      NHTSA ID:
      #10234162

      This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »

    • TSB #PIT5636C

      Date Announced:
      MAR 21, 2023
      NHTSA ID:
      #10234227

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #22-NA-150

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234150

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234144

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #21-NA-061

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234107

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #23-NA-044

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10233358

      This service bulletin provides information on AGM batteries that require less frequent charging in storage. Read More »

    • TSB #22-NA-150

      Date Announced:
      FEB 22, 2023
      NHTSA ID:
      #10232459

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #PIP5711C

      Date Announced:
      FEB 06, 2023
      NHTSA ID:
      #10232791

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #22-NA-115

      Date Announced:
      FEB 01, 2023
      NHTSA ID:
      #10231893

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #20-NA-203

      Date Announced:
      JAN 25, 2023
      NHTSA ID:
      #10231499

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #22-NA-187

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231427

      This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »

    • TSB #PIT5386H

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231646

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #21-NA-135

      Date Announced:
      JAN 13, 2023
      NHTSA ID:
      #10230612

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #PIT5743C

      Date Announced:
      JAN 12, 2023
      NHTSA ID:
      #10231640

      This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »

    • TSB #22-NA-115

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230603

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #21-NA-228

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10228893

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #22-NA-238

      Date Announced:
      NOV 30, 2022
      NHTSA ID:
      #10227401

      This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. Read More »

    • TSB #22-NA-085

      Date Announced:
      NOV 04, 2022
      NHTSA ID:
      #10226117

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-205

      Date Announced:
      OCT 19, 2022
      NHTSA ID:
      #10225615

      This service bulletin provides information on Module Harvesting. Read More »

    • TSB #22-NA-085

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10225612

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-201

      Date Announced:
      OCT 17, 2022
      NHTSA ID:
      #10225608

      This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs Set. Read More »

    • TSB #21-NA-006

      Date Announced:
      OCT 10, 2022
      NHTSA ID:
      #10224850

      This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »

    • TSB #PI0592G

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222841

      This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #13-08-116-001H

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222776

      The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #21-NA-068

      Date Announced:
      SEP 08, 2022
      NHTSA ID:
      #10222661

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #21-NA-182

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222663

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #21-NA-027

      Date Announced:
      AUG 15, 2022
      NHTSA ID:
      #10219269

      This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose Within Rear Bumper. Read More »

    • TSB #20-NA-198

      Date Announced:
      AUG 09, 2022
      NHTSA ID:
      #10218876

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIT5569B

      Date Announced:
      JUL 05, 2022
      NHTSA ID:
      #10217764

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. Read More »

    • TSB #22-NA-115

      Date Announced:
      JUN 23, 2022
      NHTSA ID:
      #10215629

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #21-NA-155

      Date Announced:
      JUN 14, 2022
      NHTSA ID:
      #10214860

      This informational bulletin advises the technician to check for faults that may be caused by the trailer other wise found by a possible faulty trailer connector. Read More »

    • TSB #21-NA-077

      Date Announced:
      JUN 09, 2022
      NHTSA ID:
      #10214502

      This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. Read More »

    • TSB #PIE0665A

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10213713

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions ... Read More »

    • TSB #PIP5838B

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10216352

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #22-NA-115

      Date Announced:
      MAY 27, 2022
      NHTSA ID:
      #10213535

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #22-NA-109

      Date Announced:
      MAY 24, 2022
      NHTSA ID:
      #10213515

      This informational bulletin provides information on Information on Common Customer Trailer Side Faults. Read More »

    • TSB #PIT5745D

      Date Announced:
      MAY 09, 2022
      NHTSA ID:
      #10213791

      This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »

    • TSB #N212354170-02

      Date Announced:
      APR 25, 2022
      NHTSA ID:
      #10210499

      Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. Read More »

    • TSB #21-NA-166

      Date Announced:
      APR 11, 2022
      NHTSA ID:
      #10210545

      This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »

    • TSB #22-NA-068

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209974

      This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs. Read More »

    • TSB #PIP4670J

      Date Announced:
      MAR 28, 2022
      NHTSA ID:
      #10210348

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #20-NA-209

      Date Announced:
      MAR 24, 2022
      NHTSA ID:
      #10209905

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #PIP5838A

      Date Announced:
      MAR 09, 2022
      NHTSA ID:
      #10210325

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #20-NA-105

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10209258

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #20-NA-207

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209097

      This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »

    • TSB #PIT5750B

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10210311

      This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »

    • TSB #PIC6450

      Date Announced:
      FEB 24, 2022
      NHTSA ID:
      #10208991

      This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. Read More »

    • TSB #PIP5838

      Date Announced:
      FEB 15, 2022
      NHTSA ID:
      #10208987

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    • TSB #PIT5745C

      Date Announced:
      FEB 14, 2022
      NHTSA ID:
      #10208983

      This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »

    • TSB #PIP5711B

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10208052

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #N212342980

      Date Announced:
      JAN 20, 2022
      NHTSA ID:
      #10206819

      On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »

    • TSB #PIT5386G

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208039

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #21NA113

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10214207

      This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »

    • TSB #PIT5697B

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10208012

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »

    • TSB #21NA265

      Date Announced:
      NOV 18, 2021
      NHTSA ID:
      #10205584

      This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. Read More »

    • TSB #20NA188

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10205545

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #PIT5387K

      Date Announced:
      AUG 24, 2021
      NHTSA ID:
      #10201326

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #PIP5806C

      Date Announced:
      AUG 16, 2021
      NHTSA ID:
      #10201311

      This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »

    • TSB #PIT5743A

      Date Announced:
      AUG 16, 2021
      NHTSA ID:
      #10201313

      This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201177

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10198865

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10199256

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #PIE0642

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200114

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10198890

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »

    • TSB #PIP5806

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10197302

      This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for a suspected bent target wheel on the camshaft. Read More »

    • TSB #18NA279

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10199234

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #20NA218

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10199253

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #18NA361

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199237

      This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »

    • TSB #PIE0602B

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10200097

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199238

      This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »

    • TSB #PIP5748F

      Date Announced:
      APR 29, 2021
      NHTSA ID:
      #10193477

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #070842006P

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10195150

      This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »

    • TSB #PIE0602B

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10191237

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    • TSB #PIT5745B

      Date Announced:
      MAR 25, 2021
      NHTSA ID:
      #10190426

      This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »

    • TSB #21NA071

      Date Announced:
      MAR 25, 2021
      NHTSA ID:
      #10192036

      This technical bulletin provides repair information to correct a customer concern of DTC?s P05AE or P059F Set Current or History. Read More »

    • TSB #PIT5639B

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190419

      This Preliminary information communicates information to not make any repairs for momentary camera flicker when brake light, turn signal, or hazards are active with radio RPO IOR. Read More »

    • TSB #20NA132

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191206

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIE0612A

      Date Announced:
      MAR 03, 2021
      NHTSA ID:
      #10191242

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information ... Read More »

    • TSB #20NA198

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10187760

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #030846004X

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10188402

      This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »

    • TSB #21NA006

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10187769

      This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »

    • TSB #21NA007

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10187770

      This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern. Read More »

    • TSB #PIE0607

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188415

      This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »

    • TSB #PIT5799A

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187196

      This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »

    • TSB #PIP5770

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10185740

      This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »

    • TSB #PIP5770

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187191

      This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185732

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187183

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIE0584A

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186112

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #PIE0604

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10186119

      GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers ... Read More »

    • TSB #PIE0604

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10187740

      GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers ... Read More »

    • TSB #20NA198

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186083

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIP5711A

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10182584

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #PIT5387H

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10182573

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #20NA043

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183181

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA209

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183207

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #PIE0594

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183799

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »

    • TSB #PIP5748B

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10182559

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #20NA203

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10183202

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #PIT5756

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181144

      This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - ... Read More »

    • TSB #20NA176

      Date Announced:
      SEP 03, 2020
      NHTSA ID:
      #10181704

      This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern. Read More »

    • TSB #PIP5733A

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178394

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #PIE0562A

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179529

      This engineering information (EI) revision ends the need for information from the field regarding Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown. Read More »

    • TSB #PIT5755

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178356

      This Preliminary information communicates an issue with the Electronic Brake Control Module incorrectly mapping DTC U0126 as a U0131 and directs the dealership to follow the diagnostics for the U0126. Read More »

    • TSB #PIT5756

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178357

      This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - ... Read More »

    • TSB #20NA132

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178282

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIT5509G

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178343

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #19NA228

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178259

      This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »

    • TSB #PIP5728A

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176335

      This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »

    • TSB #PIE0568B

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176657

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »

    • TSB #PIP5729

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176315

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »

    • TSB #PIP5728

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176316

      This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »

    • TSB #PIE0568

      Date Announced:
      MAY 12, 2020
      NHTSA ID:
      #10176655

      This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »

    • TSB #PIE0568A

      Date Announced:
      MAY 12, 2020
      NHTSA ID:
      #10176656

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »

    • TSB #PIP5429A

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176309

      This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »

    • TSB #20NA090

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176630

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #PIT5743

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174869

      This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »

    • TSB #PIT5195F

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174859

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #20NA012

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175756

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA087

      Date Announced:
      APR 09, 2020
      NHTSA ID:
      #10175766

      This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio. Read More »

    • TSB #20NA082

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175761

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #20NA083

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175762

      This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order. Read More »

    • TSB #PIT5509F

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10173714

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #20NA040

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174282

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #PIP5716

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173705

      This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly. Read More »

    • TSB #PIP5717

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173706

      This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly. Read More »

    • TSB #20NA067

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10174088

      This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate. Read More »

    • TSB #PIP5711

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10173670

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #HT-03.03.2020

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10179892

      Hypertech Inline Speedometer Calibrator Module Installation Instructions Read More »

    • TSB #PIE0554

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10173423

      This engineering information (EI) is requesting information from the field to perform the check list provided and contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes ... Read More »

    • TSB #DOR-D8C4T-03

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10172883

      This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »

    • TSB #N192278640

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10171431

      Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Disable Start/Stop (RPO L3B), and a 3. Read More »

    • TSB #PIT5411R

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171300

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    • TSB #PIT5387G

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171297

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #PIT5636A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171298

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #030846004W

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10172292

      This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »

    • TSB #PIT5702A

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10167449

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #19NA228

      Date Announced:
      OCT 07, 2019
      NHTSA ID:
      #10168235

      This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »

    • TSB #PIP5664B

      Date Announced:
      SEP 27, 2019
      NHTSA ID:
      #10165913

      This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set. Read More »

    • TSB #PIP4670H

      Date Announced:
      SEP 25, 2019
      NHTSA ID:
      #10165904

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #PIT5711

      Date Announced:
      SEP 20, 2019
      NHTSA ID:
      #10165898

      This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected using the Driver Mode Control Switch. Read More »

    • TSB #PIP5664

      Date Announced:
      AUG 01, 2019
      NHTSA ID:
      #10164738

      This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating. Read More »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS

    • TSB #17NA374

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212600

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #PIE0590A

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188408

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center ... Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #20NA132

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10205059

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIT5750A

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10201275

      This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    • TSB #PIE0594A

      Date Announced:
      NOV 04, 2020
      NHTSA ID:
      #10184514

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #PIP5838B

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10216352

      This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »

    ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

    • TSB #PIT5828C

      Date Announced:
      JAN 09, 2024
      NHTSA ID:
      #10249968

      This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »

    • TSB #PIT3665M

      Date Announced:
      MAY 19, 2023
      NHTSA ID:
      #10237671

      This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »

    • TSB #PIT5828A

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10206716

      This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »

    • TSB #PIE0593A

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10188410

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on ... Read More »

    ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

    • TSB #22-NA-109

      Date Announced:
      MAY 24, 2022
      NHTSA ID:
      #10213515

      This informational bulletin provides information on Information on Common Customer Trailer Side Faults. Read More »

    ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

    • TSB #21-NA-228

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10245348

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #070842006Q

      Date Announced:
      NOV 01, 2021
      NHTSA ID:
      #10205739

      This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #PIC5650K

      Date Announced:
      MAY 15, 2023
      NHTSA ID:
      #10237659

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #21NA061

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10192031

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #PIE0642A

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200170

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187175

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #N192266750-01

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10171240

      N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »

    • TSB #N192266751

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10167478

      N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

    • TSB #07-08-49-020R

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244214

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIT5195G

      Date Announced:
      MAY 12, 2022
      NHTSA ID:
      #10213796

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT

    • TSB #21NA247

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10205569

      This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIP5632G

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10230683

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIP4902Q

      Date Announced:
      DEC 02, 2022
      NHTSA ID:
      #10230682

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #N212342980-01

      Date Announced:
      FEB 04, 2022
      NHTSA ID:
      #10207646

      Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »

    • TSB #21NA145

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200144

      This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »

    • TSB #21NA012

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187775

      This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital Speedometer DIC Displays. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187411

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #20NA199

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184493

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181722

      This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »

    • TSB #N202294740 01

      Date Announced:
      JUN 18, 2020
      NHTSA ID:
      #10177368

      Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules. Read More »

    • TSB #20NA012

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178261

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #PIP5728B

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178301

      This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »

    • TSB #19NA269

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176618

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #20NA096

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176631

      This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update. Read More »

    • TSB #20NA012

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174276

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #PIP5690A

      Date Announced:
      DEC 06, 2019
      NHTSA ID:
      #10170423

      This Preliminary information communicates to dealer technicians there is a software anomaly not allowing the air filter life to be reset. Read More »

    • TSB #N192279900

      Date Announced:
      NOV 01, 2019
      NHTSA ID:
      #10169636

      N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Read More »

    ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR

    • TSB #20NA105

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10178269

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE

    • TSB #PIP5810

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10208011

      This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

    • TSB #PIT5698B

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201251

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

    • TSB #PIT5836

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10210351

      This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and ... Read More »

    • TSB #22NA012

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10212628

      This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors. Read More »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING

    • TSB #PIT5662F

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201321

      This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »

    ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR

    • TSB #20NA105

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187756

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM

    • TSB #PIE0644A

      Date Announced:
      JUN 23, 2021
      NHTSA ID:
      #10200173

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to their vehicle having sudden loss of propulsion. Read More »

    • TSB #PIE0644

      Date Announced:
      JUN 11, 2021
      NHTSA ID:
      #10200172

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to their vehicle having sudden loss of propulsion. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE

    • TSB #PIP5833C

      Date Announced:
      FEB 07, 2022
      NHTSA ID:
      #10208972

      This Preliminary information communicates to technicians to update the program in the reductant controller Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:ONBOARD (OBCM)

    • TSB #21NA228

      Date Announced:
      FEB 04, 2022
      NHTSA ID:
      #10214233

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    EXTERIOR LIGHTING

    • TSB #02-08-42-001J

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249011

      This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage. Read More »

    • TSB #PIT5733D

      Date Announced:
      JAN 09, 2024
      NHTSA ID:
      #10249965

      This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. Read More »

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #07-08-42-006S

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10239629

      This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »

    • TSB #01-08-42-001P

      Date Announced:
      MAY 03, 2023
      NHTSA ID:
      #10236041

      This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines. Read More »

    • TSB #20-NA-198

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235399

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #01-08-42-001O

      Date Announced:
      FEB 15, 2023
      NHTSA ID:
      #10232136

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #07-08-42-006R

      Date Announced:
      FEB 14, 2023
      NHTSA ID:
      #10232137

      This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »

    • TSB #18-NA-279

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232069

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #20-NA-198

      Date Announced:
      AUG 09, 2022
      NHTSA ID:
      #10218876

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #22-NA-109

      Date Announced:
      MAY 24, 2022
      NHTSA ID:
      #10213515

      This informational bulletin provides information on Information on Common Customer Trailer Side Faults. Read More »

    • TSB #18NA103

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10212607

      This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #20NA198

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10187760

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIE0584A

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187733

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #PIE0584

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181732

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    LIGHTING (PWS)

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #PIT5918

      Date Announced:
      MAY 17, 2022
      NHTSA ID:
      #10213798

      This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available. Read More »

    EXTERIOR LIGHTING:TURN SIGNAL

    • TSB #21-NA-166

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10242936

      This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »

    • TSB #PIE0625A

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10200163

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »

    EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

    • TSB #PIE0625

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191253

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »

    VISIBILITY

    • TSB #23-NA-167

      Date Announced:
      SEP 18, 2023
      NHTSA ID:
      #10244179

      This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors. Read More »

    • TSB #PIT5744C

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232840

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #20-NA-105

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10209258

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #PIT5744B

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208030

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #PIT5744A

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190365

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #PIE0603B

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10186118

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    • TSB #PIE0603A

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10186117

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    • TSB #PIE0603

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10186116

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    • TSB #18NA383

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183164

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #PIT5736

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173679

      This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »

    VISIBILITY:WINDSHIELD

    • TSB #21-NA-067

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232152

      This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #24-NA-046

      Date Announced:
      MAR 07, 2024
      NHTSA ID:
      #10251641

      This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    • TSB #18NA383

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10180301

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #18NA383

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171889

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

    • TSB #PI0754F

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232283

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #DOR-D8C4T-03

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10172883

      This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #PIT5733C

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232838

      This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. Read More »

    • TSB #PIC5260F

      Date Announced:
      JUN 22, 2022
      NHTSA ID:
      #10216372

      This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »

    • TSB #PIC5260E

      Date Announced:
      APR 19, 2022
      NHTSA ID:
      #10211770

      This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »

    VISIBILITY:REAR WINDOW WIPER/WASHER:SWITCH/WIRING

    • TSB #PIE0603

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187737

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    VISIBILITY:REAR WINDOW WIPER/WASHER:MOTOR

    • TSB #PIE0603B

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187739

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    • TSB #PIE0603A

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10187738

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #PIT5736C

      Date Announced:
      NOV 02, 2023
      NHTSA ID:
      #10247340

      This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »

    • TSB #PIT5099G

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10247780

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    • TSB #PIT5868B

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231649

      This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »

    • TSB #12-01-37-001F

      Date Announced:
      JUN 27, 2022
      NHTSA ID:
      #10215643

      This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. Read More »

    • TSB #21-NA-097

      Date Announced:
      JUN 14, 2022
      NHTSA ID:
      #10214859

      This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »

    • TSB #PIT5099F

      Date Announced:
      JUN 13, 2022
      NHTSA ID:
      #10216361

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    • TSB #PIP5833B

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10208062

      This Preliminary information communicates to technicians to update the program in the DEF controller Read More »

    • TSB #PIP5833A

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10208017

      This Preliminary information communicates to technicians to update the program in the DEF controller Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT

    • TSB #PIP5540J

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10230697

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

    • TSB #PIT5868

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10204458

      This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »

    AIR BAGS

    • TSB #PIT5636D

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10246007

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #21-NA-005

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239112

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    • TSB #PIP5925

      Date Announced:
      MAY 23, 2023
      NHTSA ID:
      #10237682

      This Preliminary information communicates to the dealer technician that engineering is aware of a concern with the teen driver feature not operating. Read More »

    • TSB #PIT5509K

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237677

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT4322N

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232819

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    • TSB #PIT5747B

      Date Announced:
      FEB 14, 2022
      NHTSA ID:
      #10208985

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    • TSB #PIE0664A

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10213773

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Blocked Park Assist Sensor message illuminated on the driver ... Read More »

    • TSB #21NA005

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10212564

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #PIP5809

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10201284

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »

    • TSB #20NA048

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10194086

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »

    • TSB #21NA005

      Date Announced:
      MAR 18, 2021
      NHTSA ID:
      #10191213

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    • TSB #PIT5747A

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185733

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    • TSB #PIT5747A

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187184

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    SEAT BELTS

    • TSB #99-09-40-005I

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10239755

      This service bulletin provides information on availability for a seat belt extender. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10186055

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187622

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #20NA048

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175758

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »

    STRUCTURE

    • TSB #19-NA-255

      Date Announced:
      JAN 18, 2024
      NHTSA ID:
      #10249745

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #PI0281K

      Date Announced:
      JAN 18, 2024
      NHTSA ID:
      #10250244

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #23-NA-112

      Date Announced:
      NOV 03, 2023
      NHTSA ID:
      #10245359

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #21-NA-067

      Date Announced:
      AUG 18, 2023
      NHTSA ID:
      #10242235

      This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »

    • TSB #20-NA-175

      Date Announced:
      JUL 27, 2023
      NHTSA ID:
      #10240187

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #PIT5990A

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10240782

      This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »

    • TSB #99-08-51-001F

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239124

      This service bulletin provides information on Paintless Dent Repair Process. Read More »

    • TSB #23-NA-112

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239121

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #21-NA-067

      Date Announced:
      MAY 12, 2023
      NHTSA ID:
      #10236321

      This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »

    • TSB #PI0281J

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235561

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #23-NA-056

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234180

      This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds. Read More »

    • TSB #23-NA-059

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234183

      This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch. Read More »

    • TSB #22-NA-018

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234147

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #18-NA-383

      Date Announced:
      MAR 07, 2023
      NHTSA ID:
      #10233335

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #PIT5990

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232837

      This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »

    • TSB #21-NA-067

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232152

      This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »

    • TSB #PI0754F

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232283

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    • TSB #19-NA-255

      Date Announced:
      NOV 07, 2022
      NHTSA ID:
      #10227052

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #99-00-89-019X

      Date Announced:
      OCT 04, 2022
      NHTSA ID:
      #10224831

      This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »

    • TSB #PIP5358B

      Date Announced:
      MAY 31, 2022
      NHTSA ID:
      #10213818

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #20-NA-175

      Date Announced:
      MAY 09, 2022
      NHTSA ID:
      #10212912

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #22-NA-068

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209974

      This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs. Read More »

    • TSB #12-08-51-002N

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209136

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PI0653F

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213768

      This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »

    • TSB #PIT5853

      Date Announced:
      SEP 20, 2021
      NHTSA ID:
      #10202395

      This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield. Read More »

    • TSB #19NA255

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191197

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #20NA175

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186082

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #PIE0603B

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10186118

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #PIT5709A

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181148

      This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new HD Silverado and Sierra. Read More »

    • TSB #20NA175

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181703

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #PIE0573

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10179535

      This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion ... Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #20NA141

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178975

      This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored. Read More »

    • TSB #20NA095

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175773

      This informational bulletin is advising dealers to replace the grilles due to rust. Read More »

    • TSB #18NA383

      Date Announced:
      APR 06, 2020
      NHTSA ID:
      #10175747

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #18NA383

      Date Announced:
      FEB 17, 2020
      NHTSA ID:
      #10173388

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #18NA383

      Date Announced:
      DEC 10, 2019
      NHTSA ID:
      #10170705

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #20NA175

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183193

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #18NA383

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171889

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

      This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    STRUCTURE:BODY

    • TSB #20NA175

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187409

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #20NA194

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181719

      This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #N192267990

      Date Announced:
      DEC 05, 2019
      NHTSA ID:
      #10171247

      N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Read More »

    • TSB #PIT5709

      Date Announced:
      SEP 13, 2019
      NHTSA ID:
      #10165887

      This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra. Read More »

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT6119

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250003

      This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle. Read More »

    • TSB #23-NA-112

      Date Announced:
      NOV 03, 2023
      NHTSA ID:
      #10245359

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #23-NA-112

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239121

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #PIT3227S

      Date Announced:
      MAY 09, 2023
      NHTSA ID:
      #10237648

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #20NA105

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10178269

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #20NA036

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176622

      This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate. Read More »

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #PIT5909

      Date Announced:
      APR 28, 2022
      NHTSA ID:
      #10211781

      This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed. Read More »

    • TSB #PIT3227R

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10211764

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #20NA059

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178264

      This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself. Read More »

    STRUCTURE:BODY:HOOD

    • TSB #N202306491 Messa

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10177365

      Service Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »

    • TSB #N202306491

      Date Announced:
      JUN 09, 2020
      NHTSA ID:
      #10177357

      Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »

    • TSB #20NA035

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10174280

      This technical bulletin provides repair information to correct a customer concern of hearing a wind whistle noise from front of vehicle while driving. Read More »

    STRUCTURE:BODY:ROOF AND PILLARS

    • TSB #21NA018

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10188399

      This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #18-NA-279

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232069

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #18-NA-279

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231364

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #18NA279

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10198843

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #18NA279

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10199234

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

    • TSB #20NA040

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174282

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #20NA040

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172813

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    VEHICLE SPEED CONTROL

    • TSB #PIT5818

      Date Announced:
      MAR 24, 2021
      NHTSA ID:
      #10190424

      This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »

    TIRES

    • TSB #20-NA-159

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244202

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #22-NA-183

      Date Announced:
      JUL 20, 2023
      NHTSA ID:
      #10239670

      This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. Read More »

    • TSB #20-NA-159

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233338

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #PIT3271N

      Date Announced:
      NOV 29, 2022
      NHTSA ID:
      #10227674

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT4261H

      Date Announced:
      JUL 01, 2022
      NHTSA ID:
      #10217762

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198858

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186080

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187394

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #20NA159

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180317

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT4261F

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173681

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #050310020G

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10174300

      This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    TIRES:SIDEWALL

    • TSB #PIT4261J

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10239154

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10201285

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #PIT4261F

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173681

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

      This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »

    • TSB #000090002L

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213757

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #PIT4506E

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176313

      This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »

    WHEELS

    • TSB #03-00-91-001I

      Date Announced:
      NOV 06, 2023
      NHTSA ID:
      #10245395

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »

    • TSB #20-NA-159

      Date Announced:
      OCT 30, 2023
      NHTSA ID:
      #10245250

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #17-NA-170

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10244274

      This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »

    • TSB #20-NA-159

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244202

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #22-NA-183

      Date Announced:
      JUL 20, 2023
      NHTSA ID:
      #10239670

      This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. Read More »

    • TSB #12-03-10-001E

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237340

      This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »

    • TSB #17-NA-170

      Date Announced:
      APR 27, 2023
      NHTSA ID:
      #10235799

      This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »

    • TSB #12-03-10-001D

      Date Announced:
      APR 21, 2023
      NHTSA ID:
      #10235716

      This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »

    • TSB #22-NA-172

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235400

      This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI. Read More »

    • TSB #21-NA-043

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234144

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #20-NA-159

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233338

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

      This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »

    • TSB #22-NA-257

      Date Announced:
      DEC 23, 2022
      NHTSA ID:
      #10228912

      This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process. Read More »

    • TSB #PIT3271N

      Date Announced:
      NOV 29, 2022
      NHTSA ID:
      #10227674

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #22-NA-183

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222669

      This informational bulletin advises the tech of a different tire/rim option that can be used to correct the customers concern. Read More »

    • TSB #20-NA-159

      Date Announced:
      JUN 06, 2022
      NHTSA ID:
      #10214501

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #21-NA-043

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213036

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »

    • TSB #20-NA-159

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212910

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #21NA275

      Date Announced:
      JAN 25, 2022
      NHTSA ID:
      #10214216

      This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 ... Read More »

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »

    • TSB #PIP5806A

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10201289

      This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft. Read More »

    • TSB #100310001F

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10191231

      This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIP5753

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181180

      PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. Read More »

    • TSB #N202294960

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176812

      Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #20NA022

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172290

      This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »

    • TSB #100310001E

      Date Announced:
      AUG 29, 2019
      NHTSA ID:
      #10165125

      This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »

    • TSB #19NA074

      Date Announced:
      JUN 17, 2019
      NHTSA ID:
      #10163214

      This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD. Read More »

    TRAILER HITCHES

    • TSB #21-NA-155

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249034

      This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »

    • TSB #PIT5509K

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237677

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #PIT5509J

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10236167

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #17-NA-350

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10235756

      This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the gooseneck. Read More »

    • TSB #PIT5959

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10227668

      This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and ... Read More »

    • TSB #17-NA-350

      Date Announced:
      MAY 27, 2022
      NHTSA ID:
      #10213258

      This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »

    • TSB #PIT5747B

      Date Announced:
      FEB 14, 2022
      NHTSA ID:
      #10208985

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »

    • TSB #20NA198

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194088

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIT5828

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10190432

      This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »

    • TSB #PIT5747A

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185733

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    • TSB #PIT5747A

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187184

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    • TSB #PIE0584A

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186112

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #PIE0584A

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187733

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #PIE0593

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183798

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on drivers ... Read More »

    • TSB #PIE0562

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10174448

      This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses ... Read More »

    • TSB #17NA350

      Date Announced:
      JUL 08, 2019
      NHTSA ID:
      #10163886

      This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIT4322N

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232819

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    • TSB #PIT4322M

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10208053

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    • TSB #PIT5403H

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10197306

      This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »

    • TSB #PIT4322L

      Date Announced:
      MAY 14, 2021
      NHTSA ID:
      #10197297

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    • TSB #21NA052

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191225

      This technical bulletin provides repair information to correct a customer concern of False Traction Control or Stability Event During Slow Speed Sharp Turns. Read More »

    • TSB #PIT4322K

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174818

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    FORWARD COLLISION AVOIDANCE

    • TSB #PIT5551M

      Date Announced:
      NOV 09, 2023
      NHTSA ID:
      #10247351

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551L

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10242314

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551K

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240792

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551J

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232835

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551H

      Date Announced:
      DEC 12, 2022
      NHTSA ID:
      #10230691

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551F

      Date Announced:
      OCT 07, 2020
      NHTSA ID:
      #10182540

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551E

      Date Announced:
      OCT 03, 2019
      NHTSA ID:
      #10167425

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    • TSB #PIT5551E

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165868

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »

    LANE DEPARTURE

    • TSB #PIT5527C

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168965

      This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Read More »

    BACK OVER PREVENTION

    • TSB #PIT5386J

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10249298

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIP5847B

      Date Announced:
      NOV 17, 2023
      NHTSA ID:
      #10247363

      This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin. Read More »

    • TSB #PIP5847A

      Date Announced:
      AUG 02, 2023
      NHTSA ID:
      #10242281

      This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin. Read More »

    • TSB #PIT5990A

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10240782

      This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »

    • TSB #PIT5544G

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237675

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #PIT5970B

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10236160

      This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair. Read More »

    • TSB #PIT5970A

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10236158

      This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair. Read More »

    • TSB #23-NA-062

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234186

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »

    • TSB #PIT5990

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232837

      This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »

    • TSB #PIT5744C

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232840

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #PIP5711C

      Date Announced:
      FEB 06, 2023
      NHTSA ID:
      #10232791

      This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »

    • TSB #PIT5921A

      Date Announced:
      FEB 06, 2023
      NHTSA ID:
      #10232793

      This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered. Read More »

    • TSB #PIT5954A

      Date Announced:
      FEB 03, 2023
      NHTSA ID:
      #10232787

      This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »

    • TSB #PIT5970

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231660

      This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and working on a solution for the ... Read More »

    • TSB #PIT5386H

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231646

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIT5959

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10227668

      This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and ... Read More »

    • TSB #PIT5921

      Date Announced:
      JUN 09, 2022
      NHTSA ID:
      #10216358

      This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered. Read More »

    • TSB #PIT5809C

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10213779

      This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft. Read More »

    • TSB #PIE0664A

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10213773

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Blocked Park Assist Sensor message illuminated on the driver ... Read More »

    • TSB #070601016G

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213761

      This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #PIT5386G

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208039

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIT5744B

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208030

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #20NA188

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10214203

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #20NA197

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10212562

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #21NA091

      Date Announced:
      NOV 17, 2021
      NHTSA ID:
      #10205548

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #20NA188

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10205545

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #PIP5806A

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10201289

      This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft. Read More »

    • TSB #PIP5808

      Date Announced:
      JUN 08, 2021
      NHTSA ID:
      #10201272

      This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM. Read More »

    • TSB #PIP5752M

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10201265

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »

    • TSB #21NA091

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198874

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #21NA091

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199265

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #20NA188

      Date Announced:
      APR 21, 2021
      NHTSA ID:
      #10194087

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #PIP5801A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193446

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve ... Read More »

    • TSB #PIP5801

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10193439

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve ... Read More »

    • TSB #20NA048

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10194086

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »

    • TSB #PIT5544D

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190362

      This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #PIT5744A

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190365

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #20NA105

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187756

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185732

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187183

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #PIP5748D

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10185730

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #PIP5748D

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10187181

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #PIP5748A

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181172

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #20NA163

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10180319

      This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fisheye Appearance. Read More »

    • TSB #20NA129

      Date Announced:
      AUG 17, 2020
      NHTSA ID:
      #10180311

      This informational bulletin provides information for dealers/technicians on Rear View Camera Display Bright At Night. Read More »

    • TSB #20NA022

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172290

      This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »

    BACK OVER PREVENTION:SOFTWARE

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187175

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    BACK OVER PREVENTION: BACK-UP ALARM

    • TSB #N202299520

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176818

      Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer. Read More »

    BACK OVER PREVENTION: CAMERA SYSTEM

    • TSB #PIT5697C

      Date Announced:
      JUN 20, 2023
      NHTSA ID:
      #10239171

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »

    • TSB #PIT5697B

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10208012

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »

    • TSB #20NA036

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176622

      This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate. Read More »

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #23-NA-062

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237843

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »

    • TSB #20NA163

      Date Announced:
      OCT 29, 2020
      NHTSA ID:
      #10183192

      This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fisheye Appearance. Read More »

    • TSB #PIT5697

      Date Announced:
      JUL 19, 2019
      NHTSA ID:
      #10163671

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »

    BACK OVER PREVENTION:DISPLAY FUNCTION

    • TSB #PIT5914A

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234232

      This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Dealers are to reprogram the radio to correct this concern. Read More »

    • TSB #PIT5914

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10213787

      This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Read More »

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187175

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    COMMUNICATION: AUTO CRASH NOTIFICATION

    • TSB #PIT5954B

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10236135

      This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »

    COMMUNICATION: VEHICLE TO INFRASTRUCTURE

    • TSB #21NA135

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10200137

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #PIP4902P

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208034

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    EQUIPMENT

    • TSB #23-NA-185

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10250582

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #23-NA-055

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250276

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-189

      Date Announced:
      JAN 29, 2024
      NHTSA ID:
      #10250278

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #21-NA-238

      Date Announced:
      JAN 22, 2024
      NHTSA ID:
      #10250250

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #21-NA-120

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249712

      This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »

    • TSB #21-NA-155

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249034

      This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »

    • TSB #23-NA-185

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249008

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #PIT5074P

      Date Announced:
      DEC 18, 2023
      NHTSA ID:
      #10249295

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #23-NA-219

      Date Announced:
      DEC 12, 2023
      NHTSA ID:
      #10247552

      This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »

    • TSB #20-NA-132

      Date Announced:
      DEC 08, 2023
      NHTSA ID:
      #10247192

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #21-NA-228

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10245348

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #21-NA-228

      Date Announced:
      OCT 27, 2023
      NHTSA ID:
      #10245241

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #23-NA-189

      Date Announced:
      OCT 25, 2023
      NHTSA ID:
      #10245248

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #23-NA-185

      Date Announced:
      OCT 24, 2023
      NHTSA ID:
      #10245244

      This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »

    • TSB #22-NA-225

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10245200

      This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »

    • TSB #23-NA-065

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10245201

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #21-NA-228

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244203

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #22-NA-150

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244205

      This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »

    • TSB #23-NA-154

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244174

      This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #07-08-49-020R

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244214

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #21-NA-120

      Date Announced:
      SEP 19, 2023
      NHTSA ID:
      #10243980

      This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »

    • TSB #23-NA-167

      Date Announced:
      SEP 18, 2023
      NHTSA ID:
      #10244179

      This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors. Read More »

    • TSB #21-NA-166

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10242936

      This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »

    • TSB #18-NA-306

      Date Announced:
      AUG 18, 2023
      NHTSA ID:
      #10242207

      This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #09-00-89-016H

      Date Announced:
      AUG 15, 2023
      NHTSA ID:
      #10242206

      This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014. Read More »

    • TSB #23-NA-065

      Date Announced:
      AUG 14, 2023
      NHTSA ID:
      #10242243

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #01-00-89-010R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241415

      This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #21-NA-026

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10239658

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #23-NA-125

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239645

      This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. Read More »

    • TSB #23-NA-055

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239638

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-064

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239116

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #16-NA-158

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10238190

      This service bulletin describes the U.S. Dealer Special Tool Loan Program process. Read More »

    • TSB #23-NA-062

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237843

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »

    • TSB #22-NA-244

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237349

      This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #21-NA-067

      Date Announced:
      MAY 12, 2023
      NHTSA ID:
      #10236321

      This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »

    • TSB #17-NA-350

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10235756

      This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the gooseneck. Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235604

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #23-NA-053

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10235403

      This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »

    • TSB #10-08-110-001J

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234620

      This service bulletin provides information on proper use of floor mats. Read More »

    • TSB #20-NA-198

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235399

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #22-NA-172

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235400

      This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI. Read More »

    • TSB #20-NA-132

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235398

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »

    • TSB #23-NA-064

      Date Announced:
      APR 03, 2023
      NHTSA ID:
      #10235405

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #23-NA-059

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234183

      This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch. Read More »

    • TSB #23-NA-062

      Date Announced:
      MAR 31, 2023
      NHTSA ID:
      #10234186

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »

    • TSB #22-NA-148

      Date Announced:
      MAR 28, 2023
      NHTSA ID:
      #10234170

      This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event. Read More »

    • TSB #23-NA-055

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234163

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-053

      Date Announced:
      MAR 22, 2023
      NHTSA ID:
      #10234162

      This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »

    • TSB #22-NA-018

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234147

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #21-NA-061

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234107

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #23-NA-044

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10233358

      This service bulletin provides information on AGM batteries that require less frequent charging in storage. Read More »

    • TSB #18-NA-383

      Date Announced:
      MAR 07, 2023
      NHTSA ID:
      #10233335

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #20-NA-141

      Date Announced:
      MAR 07, 2023
      NHTSA ID:
      #10233337

      This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored. Read More »

    • TSB #21-NA-110

      Date Announced:
      MAR 07, 2023
      NHTSA ID:
      #10233340

      This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. Read More »

    • TSB #15-NA-017

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232469

      This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »

    • TSB #18-NA-279

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232069

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

      This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »

    • TSB #21-NA-068

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231374

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #21-NA-228

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10228893

      This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »

    • TSB #22-NA-244

      Date Announced:
      DEC 07, 2022
      NHTSA ID:
      #10228192

      This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #22-NA-238

      Date Announced:
      NOV 30, 2022
      NHTSA ID:
      #10227401

      This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. Read More »

    • TSB #22-NA-085

      Date Announced:
      NOV 04, 2022
      NHTSA ID:
      #10226117

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-085

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10225612

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #21-NA-068

      Date Announced:
      SEP 08, 2022
      NHTSA ID:
      #10222661

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #21-NA-182

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222663

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #05-00-89-029E

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220308

      This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #21-NA-061

      Date Announced:
      AUG 30, 2022
      NHTSA ID:
      #10219389

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »

    • TSB #20-NA-105

      Date Announced:
      AUG 16, 2022
      NHTSA ID:
      #10219267

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #22-NA-161

      Date Announced:
      AUG 09, 2022
      NHTSA ID:
      #10218887

      This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed. Read More »

    • TSB #22-NA-085

      Date Announced:
      JUL 28, 2022
      NHTSA ID:
      #10217116

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #PIT5853A

      Date Announced:
      JUL 25, 2022
      NHTSA ID:
      #10217782

      This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield. Read More »

    • TSB #PIT5569B

      Date Announced:
      JUL 05, 2022
      NHTSA ID:
      #10217764

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. Read More »

    • TSB #PIT4261H

      Date Announced:
      JUL 01, 2022
      NHTSA ID:
      #10217762

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #22-NA-135

      Date Announced:
      JUN 28, 2022
      NHTSA ID:
      #10215655

      This warranty admin bulletin covers information on Essential Tools that include Consumable Parts. Read More »

    • TSB #12-01-37-001F

      Date Announced:
      JUN 27, 2022
      NHTSA ID:
      #10215643

      This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. Read More »

    • TSB #21-NA-026

      Date Announced:
      JUN 21, 2022
      NHTSA ID:
      #10215626

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #22-NA-123

      Date Announced:
      JUN 17, 2022
      NHTSA ID:
      #10214710

      This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen and No Communication with the Video Processing Module (VPM). Read More »

    • TSB #16-NA-109

      Date Announced:
      JUN 01, 2022
      NHTSA ID:
      #10213700

      This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »

    • TSB #22-NA-106

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213252

      This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »

    • TSB #21-NA-182

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211071

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 22, 2022
      NHTSA ID:
      #10210852

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-070

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210841

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #01-00-89-010P

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10210543

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #22-NA-070

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209977

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #12-08-51-002N

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209136

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #20-NA-105

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10209258

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #PIT5746B

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210319

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #PI0653F

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213768

      This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »

    • TSB #21NA214

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214212

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, ... Read More »

    • TSB #20NA043

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10214197

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA203

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10214204

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #PIT5702C

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10208013

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #100605002J

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10213764

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #1308116001G

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213767

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #PIP5832

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10206733

      This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis. Read More »

    • TSB #PIT5868

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10204458

      This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »

    • TSB #21NA237

      Date Announced:
      NOV 18, 2021
      NHTSA ID:
      #10205563

      THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »

    • TSB #21NA265

      Date Announced:
      NOV 18, 2021
      NHTSA ID:
      #10205584

      This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. Read More »

    • TSB #21NA091

      Date Announced:
      NOV 17, 2021
      NHTSA ID:
      #10205548

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #21NA238

      Date Announced:
      NOV 09, 2021
      NHTSA ID:
      #10205564

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #19NA104

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205539

      This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #21NA247

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10205569

      This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. Read More »

    • TSB #20NA188

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10205545

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #PIT5752B

      Date Announced:
      SEP 14, 2021
      NHTSA ID:
      #10202392

      This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »

    • TSB #PIT3099U

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10201310

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #21NA145

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200144

      This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #PIE0602C

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200155

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    • TSB #PIE0642A

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200170

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »

    • TSB #070089037Q

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200089

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #120851002M

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10200092

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10198844

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10199235

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #070089037P

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200088

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #100089006H

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200090

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #PIT5746A

      Date Announced:
      MAY 13, 2021
      NHTSA ID:
      #10197296

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #PIT5839A

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197284

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #120851002L

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10200091

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #21NA110

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198881

      This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. Read More »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199249

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #21NA110

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199272

      This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. Read More »

    • TSB #PIT5839

      Date Announced:
      APR 27, 2021
      NHTSA ID:
      #10193475

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #21NA103

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194114

      This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »

    • TSB #18NA073

      Date Announced:
      APR 13, 2021
      NHTSA ID:
      #10194081

      This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #18NA146

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194082

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #020089002T

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195127

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #070089036J

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195149

      This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »

    • TSB #PIT3227Q

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193430

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #18NA099

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191191

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #18NA306

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191192

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #110089005Q

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191233

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #21NA062

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10192032

      This informational bulletin directs dealers to the correct path needed to correct a vehicle with the condition of Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation based on the correct cause. Read More »

    • TSB #21NA043

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191217

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #PIE0607A

      Date Announced:
      MAR 03, 2021
      NHTSA ID:
      #10191239

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable ... Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #21NA018

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10188399

      This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area. Read More »

    • TSB #PIE0593A

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10188410

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on ... Read More »

    • TSB #21NA012

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187775

      This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital Speedometer DIC Displays. Read More »

    • TSB #20NA218

      Date Announced:
      JAN 15, 2021
      NHTSA ID:
      #10187763

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #20NA105

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187756

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #PIE0590A

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188408

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center ... Read More »

    • TSB #PIE0602

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188412

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC ... Read More »

    • TSB #PIE0607

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188415

      This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »

    • TSB #20NA110

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187757

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #20NA203

      Date Announced:
      JAN 05, 2021
      NHTSA ID:
      #10187761

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187379

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10186055

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187622

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #20NA218

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187413

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186104

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187625

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #PIP5764A

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10187182

      This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #PIE0584A

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186112

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187627

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #20NA198

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186083

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIE0603

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10186116

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »

    • TSB #19NA136

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186069

      This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186105

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #PIT5161H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184142

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

      This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »

    • TSB #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #20NA197

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184492

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #18NA098

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184479

      This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #PIE0594A

      Date Announced:
      NOV 04, 2020
      NHTSA ID:
      #10184514

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »

    • TSB #100605002I

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184502

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #16NA244

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183127

      This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #19NA187

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183171

      This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »

    • TSB #PIT5387H

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10182573

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #19NA237

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183176

      This informational bulletin explains how to identify possible DEF contamination. Read More »

    • TSB #20NA043

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183181

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #16NA372

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183130

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #20NA209

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183207

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #17NA374

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183150

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #20NA203

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10183202

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #20NA197

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181720

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #PIT5737B

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181156

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #PIT5754

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181157

      This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. Read More »

    • TSB #PIE0584

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181732

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #20NA194

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181719

      This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »

    • TSB #20NA192

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181717

      This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph). Read More »

    • TSB #PIP5748

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179641

      This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »

    • TSB #990089019U

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180697

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIP5733B

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179625

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #PIP5655B

      Date Announced:
      JUL 16, 2020
      NHTSA ID:
      #10178373

      This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIT5754

      Date Announced:
      JUN 18, 2020
      NHTSA ID:
      #10178335

      This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. Read More »

    • TSB #20NA105

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10178269

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #990089019T

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10178293

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIE0568C

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178297

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the conditions that are listed in this PIE. Read More »

    • TSB #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #19NA269

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176618

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #PIT5737A

      Date Announced:
      MAY 15, 2020
      NHTSA ID:
      #10176318

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #N202298330

      Date Announced:
      MAY 11, 2020
      NHTSA ID:
      #10176813

      Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3). Read More »

    • TSB #030089006R

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176644

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #20NA012

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175756

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA048

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175758

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »

    • TSB #PIT5736

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173679

      This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »

    • TSB #020089002S

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174299

      This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #20NA044

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172815

      This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #20NA043

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172814

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA006

      Date Announced:
      FEB 24, 2020
      NHTSA ID:
      #10173404

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #PIP5656D

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172326

      This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »

    • TSB #N192286190

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172662

      Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #110089002D

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172294

      This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #PIT5411R

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171300

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    • TSB #20NA016

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10172285

      This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »

    • TSB #PIT5387G

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171297

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #030846004W

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10172292

      This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »

    • TSB #19NA216

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171898

      This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern. Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #19NA269

      Date Announced:
      DEC 10, 2019
      NHTSA ID:
      #10170491

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »

    • TSB #PIE0548

      Date Announced:
      NOV 18, 2019
      NHTSA ID:
      #10169368

      This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in a repair. Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #N192273400

      Date Announced:
      NOV 01, 2019
      NHTSA ID:
      #10169635

      N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Read More »

    • TSB #120851002K

      Date Announced:
      OCT 30, 2019
      NHTSA ID:
      #10168210

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18NA146

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165087

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #130089008B

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165126

      This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »

    • TSB #19NA152

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165103

      This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone. Read More »

    • TSB #PIT5702

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10164750

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #990089019R

      Date Announced:
      JUL 26, 2019
      NHTSA ID:
      #10163900

      This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »

    • TSB #16NA376

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163216

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #16NA222

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163193

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #19NA091

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10163236

      This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #PIT6096

      Date Announced:
      DEC 05, 2023
      NHTSA ID:
      #10249263

      This Preliminary information communicates a diagnostic tip for the 110 /120 volt power outlets being inoperative and dealerships should try a battery disconnect to see if the concern goes away. Read More »

    • TSB #PIT5909B

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240804

      This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed. Read More »

    • TSB #PIT5750C

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10234221

      This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »

    • TSB #PIT5954A

      Date Announced:
      FEB 03, 2023
      NHTSA ID:
      #10232787

      This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »

    • TSB #PIT5702D

      Date Announced:
      OCT 13, 2022
      NHTSA ID:
      #10226369

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #PIT5954

      Date Announced:
      OCT 07, 2022
      NHTSA ID:
      #10226363

      This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »

    • TSB #12-00-89-003B

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10211658

      This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »

    • TSB #21NA068

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10194101

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #20NA198

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187410

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIT5752

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181161

      This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »

    • TSB #100089005I

      Date Announced:
      MAR 31, 2020
      NHTSA ID:
      #10174304

      This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »

    • TSB #18NA279

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10168186

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #PIP5664A

      Date Announced:
      SEP 03, 2019
      NHTSA ID:
      #10165861

      This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating. Read More »

    • TSB #17NA276

      Date Announced:
      AUG 20, 2019
      NHTSA ID:
      #10165084

      This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal ... Read More »

    • TSB #PIP5663

      Date Announced:
      JUL 31, 2019
      NHTSA ID:
      #10163690

      This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #23-NA-053

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10235403

      This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »

    • TSB #PIT5387M

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10234220

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #PIT5914

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10213787

      This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Read More »

    • TSB #21-NA-182

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211071

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #21NA182

      Date Announced:
      FEB 21, 2022
      NHTSA ID:
      #10214228

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #PIT5799A

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10185745

      This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184493

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181722

      This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »

    • TSB #20NA012

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178261

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA087

      Date Announced:
      APR 09, 2020
      NHTSA ID:
      #10175766

      This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIT6122

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10250006

      This Preliminary information communicates to dealers of a known issue with failed map update Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT

    • TSB #PIT5387N

      Date Announced:
      APR 17, 2023
      NHTSA ID:
      #10236154

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG

    • TSB #PIT5909A

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237673

      This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed. Read More »

    EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS

    • TSB #PIP5632E

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10201281

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:OUTLETS/RECEPTACLE

    • TSB #PIP5628E

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232811

      This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »

    EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

    • TSB #21NA002

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10187767

      This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »

    EQUIPMENT:MECHANICAL

    • TSB #16-NA-372

      Date Announced:
      MAY 25, 2022
      NHTSA ID:
      #10213255

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #04-06-04-051F

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209734

      This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »

    • TSB #20NA175

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183193

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #18-NA-099

      Date Announced:
      JAN 16, 2024
      NHTSA ID:
      #10249590

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIP5601B

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249980

      This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »

    • TSB #23-NA-219

      Date Announced:
      DEC 12, 2023
      NHTSA ID:
      #10247552

      This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »

    • TSB #05-00-89-029F

      Date Announced:
      OCT 11, 2023
      NHTSA ID:
      #10244326

      This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #99-00-89-019Y

      Date Announced:
      OCT 03, 2023
      NHTSA ID:
      #10244315

      This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »

    • TSB #02-00-89-002W

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244200

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). Read More »

    • TSB #10-00-89-006J

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244201

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #23-NA-154

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243717

      This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18-NA-306

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10242842

      This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #PIP5358C

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240793

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #PIP4902R

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10240786

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #23-NA-103

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10237960

      This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »

    • TSB #02-00-89-002V

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237841

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #04-00-89-015Z

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10235713

      This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #11-00-89-005V

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234621

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #17-NA-073

      Date Announced:
      FEB 21, 2023
      NHTSA ID:
      #10232287

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18-NA-146

      Date Announced:
      FEB 20, 2023
      NHTSA ID:
      #10232288

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #18-NA-263

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232143

      This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB # 02-00-89-002U

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231302

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #09-00-89-008F

      Date Announced:
      DEC 21, 2022
      NHTSA ID:
      #10228906

      This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »

    • TSB #PIT5746C

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10230695

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #PIP5632G

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10230683

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIP4902Q

      Date Announced:
      DEC 02, 2022
      NHTSA ID:
      #10230682

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #PIT5736B

      Date Announced:
      NOV 01, 2022
      NHTSA ID:
      #10227655

      This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »

    • TSB #10-00-89-006I

      Date Announced:
      OCT 07, 2022
      NHTSA ID:
      #10224820

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #22-NA-195

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10222839

      This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada. Read More »

    • TSB #01-00-89-010Q

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222733

      This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #11-00-89-005U

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222649

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #18-NA-306

      Date Announced:
      AUG 25, 2022
      NHTSA ID:
      #10219284

      This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #11-00-89-005T

      Date Announced:
      AUG 22, 2022
      NHTSA ID:
      #10219278

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #04-00-89-015X

      Date Announced:
      JUL 22, 2022
      NHTSA ID:
      #10217043

      This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18-NA-306

      Date Announced:
      JUL 18, 2022
      NHTSA ID:
      #10217048

      This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #22-NA-070

      Date Announced:
      JUN 24, 2022
      NHTSA ID:
      #10215628

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #22-NA-106

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213252

      This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »

    • TSB #18-NA-099

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213022

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #18-NA-099

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209747

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIT5733B

      Date Announced:
      FEB 08, 2022
      NHTSA ID:
      #10208973

      This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. Read More »

    • TSB #21NA135

      Date Announced:
      FEB 04, 2022
      NHTSA ID:
      #10214223

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #22NA018

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10212633

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #080089014G

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10213762

      This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #990089019W

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10213766

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #20NA038

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10194084

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #030846004X

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10188402

      This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »

    • TSB #20NA110

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187757

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #PIP5764A

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10185731

      This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction Read More »

    • TSB #PIE0604

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10187740

      GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers ... Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #18NA099

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180299

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIT5746

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176332

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIE0560A

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175858

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC). Read More »

    • TSB #PIE0560

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174446

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a Service 4WD message being visible the driver information center (DIC). Read More »

    • TSB #060089029P

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174302

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #070089037O

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174303

      This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #20NA059

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174081

      This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself. Read More »

    • TSB #20NA050

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174073

      This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »

    • TSB #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #19NA232

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168238

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21-NA-061

      Date Announced:
      JUN 12, 2023
      NHTSA ID:
      #10239039

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #22-NA-068

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209974

      This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs. Read More »

    • TSB #20NA090

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10214199

      This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »

    • TSB #20NA110

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10214200

      This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »

    • TSB #20NA188

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10214203

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #PIT5868

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10204458

      This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »

    • TSB #21NA238

      Date Announced:
      NOV 09, 2021
      NHTSA ID:
      #10205564

      This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »

    • TSB #20NA188

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10205545

      This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »

    • TSB #21NA145

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200144

      This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #PIE0602C

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200155

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    • TSB #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #20NA105

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10187756

      This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »

    • TSB #PIE0602

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188412

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC ... Read More »

    • TSB #PIE0607

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188415

      This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »

    • TSB #20NA203

      Date Announced:
      JAN 05, 2021
      NHTSA ID:
      #10187761

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187622

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #PIT5161H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184142

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

      This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »

    • TSB #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIE0594A

      Date Announced:
      NOV 04, 2020
      NHTSA ID:
      #10184514

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #17NA374

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183150

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #PIE0584

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181732

      This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »

    • TSB #20NA194

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181719

      This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »

    • TSB #N202300791

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10213747

      Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is ... Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #N202306491 Messa

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10177365

      Service Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »

    • TSB #N202306491

      Date Announced:
      JUN 09, 2020
      NHTSA ID:
      #10177357

      Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »

    • TSB #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #20NA095

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175773

      This informational bulletin is advising dealers to replace the grilles due to rust. Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #20NA012

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174276

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #20NA040

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172813

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #20NA043

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172814

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA006

      Date Announced:
      FEB 24, 2020
      NHTSA ID:
      #10173404

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #20NA006

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171905

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #PIT5702

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10164750

      This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING

    • TSB #030091001H

      Date Announced:
      NOV 05, 2021
      NHTSA ID:
      #10205737

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIT5736A

      Date Announced:
      OCT 08, 2020
      NHTSA ID:
      #10182542

      This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »

    • TSB #19NA231

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168237

      This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory. Read More »

    EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER

    • TSB #21NA097

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10194110

      This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #PIT5914A

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234232

      This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Dealers are to reprogram the radio to correct this concern. Read More »

    • TSB #PIT5839A

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197284

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    EQUIPMENT:EMERGENCY:FIRE SUPRESSION:SMOKE/CO WARNING/ALARM

    • TSB #16NA380

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212594

      This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    UNKNOWN OR OTHER

    • TSB #11-00-89-005W

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10235798

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #11-00-89-005V

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234621

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #PI0754F

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232283

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    • TSB #PIC5453D

      Date Announced:
      SEP 30, 2022
      NHTSA ID:
      #10224309

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #PIT5698C

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10224304

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #01-00-89-010O

      Date Announced:
      APR 05, 2022
      NHTSA ID:
      #10210194

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #PIP5834

      Date Announced:
      FEB 08, 2022
      NHTSA ID:
      #10208976

      This Preliminary information communicates that the service 4wd message related to C119E is under investigation for a repair. Read More »

    • TSB #PIP5833C

      Date Announced:
      FEB 07, 2022
      NHTSA ID:
      #10208972

      This Preliminary information communicates to technicians to update the program in the reductant controller Read More »

    • TSB #090604026V

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10215770

      Information. Read More »

    • TSB #16NA222

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212588

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #21NA237

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10207914

      THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »