Technical Service Bulletins (TSBs) for the 2021 Sierra 1500 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 #23-NA-201

      Date Announced:
      DEC 14, 2023
      NHTSA ID:
      #10247549

      This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #PIT6088

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10247361

      This Preliminary information communicates a diagnostic tip to inspect the main ground connection when diagnosing any lack of power steering assist issues with DTCs C1597 and/or C1599. 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 #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 #PIT5481H

      Date Announced:
      NOV 14, 2022
      NHTSA ID:
      #10227664

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. 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 #PIE0679A

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209982

      This engineering information (EI) closure ends the need for further information from the field in regards to a Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking ... Read More »

    • TSB #PIE0679

      Date Announced:
      FEB 28, 2022
      NHTSA ID:
      #10215779

      Engineering Information. Read More »

    • TSB #PIE0648

      Date Announced:
      JUN 24, 2021
      NHTSA ID:
      #10200176

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel. 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 »

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #23-NA-201

      Date Announced:
      DEC 14, 2023
      NHTSA ID:
      #10247549

      This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. 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 #19-NA-129

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10242208

      This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle. 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 #19-NA-129

      Date Announced:
      JUL 28, 2023
      NHTSA ID:
      #10240183

      This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle. Read More »

    • TSB #PIT5986A

      Date Announced:
      MAY 12, 2023
      NHTSA ID:
      #10237657

      This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close. 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 #PIE0715C

      Date Announced:
      DEC 09, 2022
      NHTSA ID:
      #10228229

      This engineering information (EI) closure ends the need for gathering information from technicians in regards to the front upper control arm ball joint separated from the socket. Read More »

    • TSB #PIE0715B

      Date Announced:
      NOV 21, 2022
      NHTSA ID:
      #10227395

      This engineering information (EI) closure ends the need for gathering further information from technicians in regards to the front upper control arm ball joint separated from the socket. 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 #PIE0715A

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222801

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the front upper control arm ball joint separated from the socket. Read More »

    • TSB #PIE0715

      Date Announced:
      AUG 16, 2022
      NHTSA ID:
      #10219275

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the front upper control arm ball joint separated from the socket. Read More »

    • TSB #PIE0679A

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209982

      This engineering information (EI) closure ends the need for further information from the field in regards to a Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking ... Read More »

    • TSB #PIP5820

      Date Announced:
      AUG 25, 2021
      NHTSA ID:
      #10201328

      This Preliminary information communicates Some customers may comment when coasting to a stop between 15-13 mph there is a shudder type sensation that can also be described as rumble strips in the vehicle that felt when coming to a stop. 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 #19NA129

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10199240

      This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle. 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 #PIP5798

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190444

      This Preliminary information communicates Some customers may comment about a rough idle and/or vibration at idle. Read More »

    SUSPENSION:FRONT

    • TSB #PIP5653K

      Date Announced:
      JUL 14, 2021
      NHTSA ID:
      #10201182

      This PI communicates that engineering is investigating a correction to a noise originating in the front of the vehicle. 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 #PIP5596A

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253061

      This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »

    • TSB #PIT5479F

      Date Announced:
      FEB 06, 2024
      NHTSA ID:
      #10251685

      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 #22-NA-247

      Date Announced:
      APR 11, 2023
      NHTSA ID:
      #10235617

      This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely ... Read More »

    • TSB #21-NA-089

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234108

      This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris. 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 #PIT5681C

      Date Announced:
      JUN 17, 2022
      NHTSA ID:
      #10216369

      This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications 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 #PIP5820

      Date Announced:
      AUG 25, 2021
      NHTSA ID:
      #10201328

      This Preliminary information communicates Some customers may comment when coasting to a stop between 15-13 mph there is a shudder type sensation that can also be described as rumble strips in the vehicle that felt when coming to a stop. Read More »

    • TSB #PIT5681B

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10197309

      This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications Read More »

    • TSB #PIE0615A

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10195152

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during ... Read More »

    • TSB #PIT5674B

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193451

      This Preliminary information communicates that after installation of GM Accessory Performance Brake Pads it may be noticed the EBCM has set DTC(s) C116C 05 and/or C116B 05. Read More »

    • TSB #PIP5787A

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190418

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »

    • TSB #PIP5787

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10190408

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »

    • TSB #N202324120

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190772

      Customer Satisfaction Program. On certain vehicles may experience brake function issues over time based on feedback received from the supplier concerning the condition of certain eBoost brake unit assemblies. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #21-NA-155

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253528

      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-201

      Date Announced:
      DEC 14, 2023
      NHTSA ID:
      #10247549

      This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #22-NA-247

      Date Announced:
      DEC 06, 2022
      NHTSA ID:
      #10228226

      This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely ... 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 #N212330660

      Date Announced:
      MAY 11, 2021
      NHTSA ID:
      #10197321

      Service Update Bulletin. Certain vehicles may have an erratic signal coming from the engine manifold absolute pressure (MAP) sensor. Customers may notice the service engine soon (SES) lamp illuminate or was illuminated and turned off. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    SERVICE BRAKES, HYDRAULIC:POWER ASSIST

    • TSB #23-NA-201

      Date Announced:
      DEC 14, 2023
      NHTSA ID:
      #10247549

      This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    SERVICE BRAKES, AIR:DISC:CALIPER

    • TSB #21NA089

      Date Announced:
      APR 22, 2021
      NHTSA ID:
      #10194107

      This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris. Read More »

    SERVICE BRAKES, AIR:DISC:PADS

    • TSB #PIT6134

      Date Announced:
      MAR 15, 2024
      NHTSA ID:
      #10253086

      This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material. 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 »

    PARKING BRAKE

    • TSB #PIT5662G

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10210345

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

    • 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 »

    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 #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 #22-NA-087

      Date Announced:
      MAY 05, 2022
      NHTSA ID:
      #10211935

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... 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 #PIP5847

      Date Announced:
      APR 05, 2022
      NHTSA ID:
      #10211754

      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 #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 #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 #19NA218

      Date Announced:
      DEC 17, 2021
      NHTSA ID:
      #10212558

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. Read More »

    • TSB #21NA267

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205586

      This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe. Read More »

    • TSB #21NA272

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205591

      This service bulletin provides information on Engine Oil Consumption Guidelines. 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 #PIP5817

      Date Announced:
      AUG 20, 2021
      NHTSA ID:
      #10201323

      This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. 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 #PIP5816

      Date Announced:
      JUL 30, 2021
      NHTSA ID:
      #10201264

      This Preliminary information communicates A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed. Unknown Engineering is looking it to this concern Read More »

    • TSB #PIP5776F

      Date Announced:
      JUL 19, 2021
      NHTSA ID:
      #10201248

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. Read More »

    • TSB #PIP5809A

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10201300

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »

    • TSB #21NA149

      Date Announced:
      JUN 29, 2021
      NHTSA ID:
      #10200147

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #PIE0609A

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10200156

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... 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 #PIP5776D

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10197298

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. Read More »

    • TSB #PIP5805

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10197290

      This Preliminary information communicates that the performance air cleaner kit (cold air intake system) can only be installed on vehicles that had the option ordered for the vehicle when it was produced. 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 #21NA109

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199271

      This service bulletin provides diagnostic information for a customer concern of engine vibration. Read More »

    • TSB #PIP5776C

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10193473

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. 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 #PIT5677E

      Date Announced:
      APR 21, 2021
      NHTSA ID:
      #10193465

      This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. 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 #21NA081

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10192044

      This technical bulletin provides a procedure to locate a possible short in the engine wiring harness. 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 #PIE0601A

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186115

      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 being illuminated. Read More »

    • TSB #PIE0601A

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187736

      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 being illuminated. Read More »

    • TSB #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187213

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #PIP5752G

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184135

      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 #N202319660

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184527

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. 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 #PIP5759A

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184095

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

    ENGINE AND ENGINE COOLING

    • TSB #23-NA-032

      Date Announced:
      APR 29, 2024
      NHTSA ID:
      #10254423

      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 #20-NA-166

      Date Announced:
      MAR 21, 2024
      NHTSA ID:
      #10252125

      This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough. Read More »

    • TSB #16-NA-383

      Date Announced:
      MAR 13, 2024
      NHTSA ID:
      #10251890

      This technical 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 fuels ... Read More »

    • TSB #23-NA-170

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251909

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

    • TSB #PIP5863B

      Date Announced:
      MAR 05, 2024
      NHTSA ID:
      #10253062

      This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. Read More »

    • TSB #23-NA-043

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251355

      This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, ... Read More »

    • TSB #23-NA-073

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251357

      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 #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 #PIT5689F

      Date Announced:
      FEB 23, 2024
      NHTSA ID:
      #10251712

      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 #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 #23-NA-214

      Date Announced:
      JAN 26, 2024
      NHTSA ID:
      #10250258

      This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability. Read More »

    • TSB #21-NA-132

      Date Announced:
      JAN 25, 2024
      NHTSA ID:
      #10250249

      This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS. 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 #19-NA-218

      Date Announced:
      DEC 22, 2023
      NHTSA ID:
      #10248705

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #21-NA-149

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247527

      This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, ... 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 #23-NA-214

      Date Announced:
      DEC 07, 2023
      NHTSA ID:
      #10247194

      This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange. 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 #22-NA-210

      Date Announced:
      NOV 07, 2023
      NHTSA ID:
      #10245407

      This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter. 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 #19-NA-218

      Date Announced:
      OCT 27, 2023
      NHTSA ID:
      #10245240

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #22-NA-015

      Date Announced:
      SEP 20, 2023
      NHTSA ID:
      #10243982

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. 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 #19-NA-218

      Date Announced:
      SEP 07, 2023
      NHTSA ID:
      #10242935

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #23-NA-138

      Date Announced:
      AUG 11, 2023
      NHTSA ID:
      #10242202

      This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue. 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 #23-NA-011

      Date Announced:
      AUG 02, 2023
      NHTSA ID:
      #10241859

      This Informational bulletin advises the technician of possible areas the oil may leak from the engine. 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 #21-NA-271

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241858

      This bulletin advises the technician of a possible coolant hose that might be kinked causing the customer concern. 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-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 #22-NA-232

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10239046

      This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. 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 #19-NA-218

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237842

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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-043

      Date Announced:
      MAY 08, 2023
      NHTSA ID:
      #10236318

      This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, ... Read More »

    • TSB #22-NA-210

      Date Announced:
      MAY 01, 2023
      NHTSA ID:
      #10236053

      This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter. 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 #23-NA-043

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10235766

      This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, ... Read More »

    • TSB #19-NA-218

      Date Announced:
      APR 17, 2023
      NHTSA ID:
      #10235757

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #19-NA-218

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10234623

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #22-NA-168

      Date Announced:
      MAR 30, 2023
      NHTSA ID:
      #10234171

      This bulletin provides diagnostic information when checking the exhaust system for leaks. 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 #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 #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 #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 #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 #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 #22-NA-168

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233345

      This bulletin provides diagnostic information when checking the exhaust system for leaks. 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 #21-NA-149

      Date Announced:
      MAR 03, 2023
      NHTSA ID:
      #10232712

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #23-NA-026

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232464

      This technical bulletin provides repair information to correct a customer concern of LM2 Engine Calibration Update for DTC P003A. 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 #21-NA-132

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232074

      This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS. Read More »

    • TSB #19-NA-218

      Date Announced:
      FEB 08, 2023
      NHTSA ID:
      #10232071

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. Read More »

    • TSB #23-NA-011

      Date Announced:
      FEB 06, 2023
      NHTSA ID:
      #10232078

      This Informational bulletin advises the technician of possible areas the oil may leak from the engine. 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 #22-NA-015

      Date Announced:
      JAN 26, 2023
      NHTSA ID:
      #10231511

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. Read More »

    • TSB #23-NA-002

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231514

      This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set. Read More »

    • TSB #21-NA-095

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231500

      This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. Read More »

    • TSB #19-NA-218

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231365

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. Read More »

    • TSB #22-NA-220

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231486

      This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the DTC. Read More »

    • TSB #PIP5843B

      Date Announced:
      JAN 13, 2023
      NHTSA ID:
      #10231643

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. Read More »

    • TSB #22-NA-087

      Date Announced:
      JAN 13, 2023
      NHTSA ID:
      #10230613

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... Read More »

    • TSB #21-NA-081

      Date Announced:
      JAN 11, 2023
      NHTSA ID:
      #10230611

      This technical bulletin provides a procedure to locate a possible short in the engine wiring harness. 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 #21-NA-149

      Date Announced:
      DEC 08, 2022
      NHTSA ID:
      #10227798

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #PIP5863A

      Date Announced:
      DEC 06, 2022
      NHTSA ID:
      #10230685

      This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. 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-168

      Date Announced:
      NOV 15, 2022
      NHTSA ID:
      #10227259

      This bulletin provides diagnostic information when checking the exhaust system for leaks. 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 #21-NA-271

      Date Announced:
      NOV 09, 2022
      NHTSA ID:
      #10227054

      This bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern. 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 #15-NA-087

      Date Announced:
      OCT 25, 2022
      NHTSA ID:
      #10225708

      This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system. Read More »

    • TSB #PIP5845A

      Date Announced:
      OCT 19, 2022
      NHTSA ID:
      #10226385

      This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic ... 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 #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 #21-NA-149

      Date Announced:
      OCT 10, 2022
      NHTSA ID:
      #10224856

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. 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 #22-NA-168

      Date Announced:
      SEP 20, 2022
      NHTSA ID:
      #10222807

      This bulletin provides diagnostic information when checking the exhaust system for leaks. 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 #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 #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-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 #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 #22-NA-022

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222664

      This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not. 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 #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 #22-NA-176

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220314

      This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair. 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 #22-NA-168

      Date Announced:
      AUG 12, 2022
      NHTSA ID:
      #10218891

      This bulletin provides diagnostic information when checking the exhaust system for leaks. 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-087

      Date Announced:
      AUG 01, 2022
      NHTSA ID:
      #10217856

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... 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-015

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217067

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. 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 #19-NA-218

      Date Announced:
      JUL 11, 2022
      NHTSA ID:
      #10216049

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. Read More »

    • TSB #22-NA-082

      Date Announced:
      JUN 30, 2022
      NHTSA ID:
      #10215648

      This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set. Read More »

    • TSB #PIE0685A

      Date Announced:
      JUN 29, 2022
      NHTSA ID:
      #10215658

      This engineering information (EI) closure ends the need for further information regarding oil leaking from the lower oil pan seal area. Read More »

    • TSB #PIP5212D

      Date Announced:
      JUN 29, 2022
      NHTSA ID:
      #10216376

      This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. 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 #22-NA-087

      Date Announced:
      JUN 15, 2022
      NHTSA ID:
      #10214874

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... Read More »

    • TSB #22-NA-027

      Date Announced:
      JUN 14, 2022
      NHTSA ID:
      #10214872

      This technical bulletin advises to replace the camshaft cover if found within the Julian date and the cause of a customer concern of possible oil consumption with or without DTC P06DD. 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-112

      Date Announced:
      MAY 25, 2022
      NHTSA ID:
      #10213523

      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 #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 #22-NA-087

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213243

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... 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 #21-NA-149

      Date Announced:
      MAY 09, 2022
      NHTSA ID:
      #10212919

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #PIE0693

      Date Announced:
      APR 26, 2022
      NHTSA ID:
      #10211090

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Oil Leaking from Front of Engine. Read More »

    • TSB #PIP5776G

      Date Announced:
      APR 26, 2022
      NHTSA ID:
      #10211775

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. 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 #22-NA-082

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210580

      This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set. Read More »

    • TSB #PIP5847

      Date Announced:
      APR 05, 2022
      NHTSA ID:
      #10211754

      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 #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 #19-NA-218

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209955

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. Read More »

    • TSB #PIE0676A

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209981

      This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or ... Read More »

    • TSB #PIE0685

      Date Announced:
      MAR 23, 2022
      NHTSA ID:
      #10209945

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the lower oil pan seal area. Read More »

    • TSB #PIP5845

      Date Announced:
      MAR 23, 2022
      NHTSA ID:
      #10210341

      This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic ... 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 #22-NA-015

      Date Announced:
      MAR 21, 2022
      NHTSA ID:
      #10209923

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. 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 #22-NA-047

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10209122

      Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas. Read More »

    • TSB #21NA149

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10214225

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #22NA015

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10212631

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. 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 #PIE0676

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10213777

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, ... Read More »

    • TSB #19NA188

      Date Announced:
      JAN 20, 2022
      NHTSA ID:
      #10212613

      The informational bulletin explains the normal noises that are emitted from the engine once the engine is turned off. 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 #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 #20NA166

      Date Announced:
      DEC 09, 2021
      NHTSA ID:
      #10212560

      This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »

    • TSB #21NA267

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205586

      This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe. Read More »

    • TSB #21NA271

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205590

      TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern. Read More »

    • TSB #21NA272

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205591

      This service bulletin provides information on Engine Oil Consumption Guidelines. 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 #21NA132

      Date Announced:
      JUN 09, 2021
      NHTSA ID:
      #10200135

      This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS. 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 #21NA128

      Date Announced:
      MAY 28, 2021
      NHTSA ID:
      #10198891

      This technical bulletin provides repair information to correct a customer concern of MIL Illuminated- ECM Update for P026C, P20EE, or P11D5. 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 #21NA096

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198877

      This technical bulletin provides a procedure to program the ECM to correct the customers concern. Read More »

    • TSB #21NA109

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198880

      This service bulletin provides diagnostic information for a customer concern of engine vibration. Read More »

    • TSB #PIP5212C

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190433

      This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. 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 #20NA138

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191207

      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 #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 #PIE0609

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10188418

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... Read More »

    • TSB #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186051

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186073

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187345

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187387

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #17NA166

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186061

      This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. Read More »

    • TSB #17NA166

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10187375

      This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. 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 #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186046

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187340

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. 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 #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187612

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #PIP5750A

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182576

      This Preliminary information communicates the possibility of the having dtc p06DD P06DA P06DB due to engine wiring harness concerns. 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 #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 #PIE0590

      Date Announced:
      OCT 15, 2020
      NHTSA ID:
      #10183795

      This engineering information (EI) 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 (DIC). 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 »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #21NA149

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205552

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. 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 #22NA021

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10212636

      This informational bulletin advises the tech of a possible loose bolts at the turbo actuator and to replace turbo if the bolts have been found loose. 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 #22-NA-112

      Date Announced:
      MAY 25, 2022
      NHTSA ID:
      #10213523

      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 #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 #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 »

    ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

    • TSB #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187618

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #19-NA-218

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231365

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. Read More »

    • 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:PUMP

    • TSB #22-NA-232

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10239046

      This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. 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 #N222372592

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10228951

      Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18A?C (0A?F) or ... Read More »

    • TSB #21NA257

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10207917

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #21NA256

      Date Announced:
      DEC 13, 2021
      NHTSA ID:
      #10207916

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. Read More »

    • TSB #N212333800

      Date Announced:
      JUN 23, 2021
      NHTSA ID:
      #10200187

      Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). Read More »

    • TSB #21NA139

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200140

      This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set. Read More »

    • TSB #N212336570

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10200177

      Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM). 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 »

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

    • TSB #PIT5687A

      Date Announced:
      JAN 02, 2024
      NHTSA ID:
      #10249954

      This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers complaints of a SES MIL, Crank No Start, stalling DTC's: P16A7 and/or P16AF. 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 »

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

    • TSB #21-NA-149

      Date Announced:
      MAR 03, 2023
      NHTSA ID:
      #10232712

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. 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 #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 #22NA027

      Date Announced:
      FEB 02, 2022
      NHTSA ID:
      #10214243

      This technical bulletin advises to replace the camshaft cover if found with in the Julian date and the cause of the customers concern. 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 »

    • TSB #PIP5733G

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10185746

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation 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 #21NA257

      Date Announced:
      NOV 12, 2021
      NHTSA ID:
      #10205577

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. 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 #20NA166

      Date Announced:
      DEC 09, 2021
      NHTSA ID:
      #10212560

      This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... 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 »

    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 #22-NA-168

      Date Announced:
      MAR 30, 2023
      NHTSA ID:
      #10234171

      This bulletin provides diagnostic information when checking the exhaust system for leaks. 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 #PIT5819A

      Date Announced:
      JAN 05, 2023
      NHTSA ID:
      #10231625

      This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe. Read More »

    • TSB #22-NA-168

      Date Announced:
      NOV 15, 2022
      NHTSA ID:
      #10227259

      This bulletin provides diagnostic information when checking the exhaust system for leaks. Read More »

    • TSB #22-NA-168

      Date Announced:
      SEP 20, 2022
      NHTSA ID:
      #10222807

      This bulletin provides diagnostic information when checking the exhaust system for leaks. Read More »

    • TSB #PIT5926

      Date Announced:
      JUN 29, 2022
      NHTSA ID:
      #10216377

      This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield 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 #19NA263

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10212617

      This informational bulletin explains a normal condition for sludge to form in the oil cap when equipped with DEF system. 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 #21NA095

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200125

      This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. 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 »

    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 #N232395310

      Date Announced:
      JUL 27, 2023
      NHTSA ID:
      #10239764

      Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. 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 #PIE0601

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184521

      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 being illuminated. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    • TSB #PIT5926A

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217779

      This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield. Read More »

    • TSB #21NA095

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10214206

      This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. Read More »

    • TSB #PIT5819

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190361

      This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe. 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 »

    FUEL SYSTEM, GASOLINE

    • TSB #PIP5863B

      Date Announced:
      MAR 05, 2024
      NHTSA ID:
      #10253062

      This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. Read More »

    • TSB #PIP5596A

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253061

      This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »

    • 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 #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 #N232395310

      Date Announced:
      JUL 27, 2023
      NHTSA ID:
      #10239764

      Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. 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 #22-NA-220

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232155

      This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the DTC. Read More »

    • TSB #22-NA-220

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231486

      This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the DTC. 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 #PIP5792D

      Date Announced:
      JUN 15, 2022
      NHTSA ID:
      #10216364

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission ... 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 #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 #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 #PIP5792B

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10201267

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission ... Read More »

    • TSB #N212336570

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10200177

      Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM). Read More »

    • TSB #PIP5792A

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10197301

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder or stall concern they should ... 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 #PIP5792

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190416

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder or stall concern they should ... Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187612

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. 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 »

    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: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 »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #22-NA-087

      Date Announced:
      MAY 05, 2022
      NHTSA ID:
      #10211935

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... Read More »

    FUEL SYSTEM, DIESEL

    • TSB #24-NA-043

      Date Announced:
      MAR 07, 2024
      NHTSA ID:
      #10251638

      This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate. 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 #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 #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-237

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

      This service bulletin explains how to identify possible DEF system contamination. 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 #22-NA-087

      Date Announced:
      JAN 13, 2023
      NHTSA ID:
      #10230613

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... 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 #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 #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 #030604017P

      Date Announced:
      JAN 07, 2022
      NHTSA ID:
      #10213758

      This service bulletin provides information on availability of Diesel Fuel additives. 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 #19NA237

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183176

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

    FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

    • TSB #17-NA-302

      Date Announced:
      MAR 20, 2024
      NHTSA ID:
      #10252106

      This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area. Read More »

    • TSB #23-NA-148

      Date Announced:
      OCT 10, 2023
      NHTSA ID:
      #10245010

      This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap. 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 »

    FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

    • TSB #18NA235

      Date Announced:
      JAN 21, 2022
      NHTSA ID:
      #10212609

      This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns. Read More »

    FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM

    • TSB #22-NA-015

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217067

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. Read More »

    FUEL SYSTEM, OTHER:KINETIC:CLUTCH

    • TSB #18NA285

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187747

      This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil. Read More »

    POWER TRAIN

    • TSB #22-NA-258

      Date Announced:
      APR 02, 2024
      NHTSA ID:
      #10252976

      This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body. Read More »

    • TSB #22-NA-258

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10252117

      This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body. Read More »

    • TSB #23-NA-170

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251909

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

    • TSB #PIP5968

      Date Announced:
      FEB 27, 2024
      NHTSA ID:
      #10251720

      This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation. Read More »

    • TSB #22-NA-182

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251353

      This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature. Read More »

    • TSB #PIP5966

      Date Announced:
      FEB 23, 2024
      NHTSA ID:
      #10251715

      This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement 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 #22-NA-246

      Date Announced:
      JAN 18, 2024
      NHTSA ID:
      #10249743

      This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high ... 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 #16-NA-361

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248703

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #21-NA-149

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247527

      This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, ... Read More »

    • TSB #PIT6088

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10247361

      This Preliminary information communicates a diagnostic tip to inspect the main ground connection when diagnosing any lack of power steering assist issues with DTCs C1597 and/or C1599. Read More »

    • TSB #22-NA-251

      Date Announced:
      NOV 08, 2023
      NHTSA ID:
      #10245409

      This service bulletin provides a procedure to replace the front wheel drive shaft to correct a customer concern of a Squeak/Chirp Noise from Front Axle in 2wd. 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 #16-NA-361

      Date Announced:
      OCT 19, 2023
      NHTSA ID:
      #10245194

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #PIP5943

      Date Announced:
      OCT 19, 2023
      NHTSA ID:
      #10246011

      This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions 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 #22-NA-015

      Date Announced:
      SEP 20, 2023
      NHTSA ID:
      #10243982

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. 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 #22-NA-182

      Date Announced:
      AUG 15, 2023
      NHTSA ID:
      #10242240

      This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature. 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 #22-NA-232

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240363

      This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. 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 #22-NA-232

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10239046

      This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. 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 #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 #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 #16-NA-019

      Date Announced:
      MAY 02, 2023
      NHTSA ID:
      #10236046

      This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #22-NA-066

      Date Announced:
      APR 18, 2023
      NHTSA ID:
      #10235761

      The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area. Read More »

    • TSB #16-NA-019

      Date Announced:
      APR 14, 2023
      NHTSA ID:
      #10235580

      This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. 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 #16-NA-019

      Date Announced:
      MAR 21, 2023
      NHTSA ID:
      #10234140

      This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #21-NA-106

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234109

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #PIP5776H

      Date Announced:
      MAR 09, 2023
      NHTSA ID:
      #10234209

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. 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 #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 #21-NA-106

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232073

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #22-NA-015

      Date Announced:
      JAN 26, 2023
      NHTSA ID:
      #10231511

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. Read More »

    • TSB #22-NA-232

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231487

      This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. 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 #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 #20-NA-187

      Date Announced:
      JAN 12, 2023
      NHTSA ID:
      #10230609

      This service bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off. Read More »

    • TSB #21-NA-106

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230601

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #22-NA-251

      Date Announced:
      JAN 04, 2023
      NHTSA ID:
      #10230604

      This technical bulletin provides a procedure to replace the front wheel drive shaft if found the cause of the custmers concern. 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 #22-NA-182

      Date Announced:
      DEC 20, 2022
      NHTSA ID:
      #10228909

      This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern. 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 #22-NA-246

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10228225

      This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for possible other issues, but it still may be possible on high mile ... 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 #22-NA-232

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227288

      This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. 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 #PIP5845A

      Date Announced:
      OCT 19, 2022
      NHTSA ID:
      #10226385

      This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic ... 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 #22-NA-184

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222670

      This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal. Read More »

    • TSB #22-NA-182

      Date Announced:
      SEP 06, 2022
      NHTSA ID:
      #10222668

      This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern. Read More »

    • TSB #22-NA-176

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220314

      This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair. 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 #22-NA-015

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217067

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. 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 #PIP5792D

      Date Announced:
      JUN 15, 2022
      NHTSA ID:
      #10216364

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission ... 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 #2-NA-066

      Date Announced:
      MAY 13, 2022
      NHTSA ID:
      #10212923

      The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area. Read More »

    • TSB #16-NA-019

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10211684

      This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. 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 #PIE0676A

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209981

      This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or ... Read More »

    • TSB #22-NA-066

      Date Announced:
      MAR 28, 2022
      NHTSA ID:
      #10209971

      The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area. Read More »

    • TSB #PIP5845

      Date Announced:
      MAR 23, 2022
      NHTSA ID:
      #10210341

      This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic ... Read More »

    • TSB #22-NA-015

      Date Announced:
      MAR 21, 2022
      NHTSA ID:
      #10209923

      This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. Read More »

    • TSB #21-NA-095

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209120

      This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. Read More »

    • TSB #16NA361

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10212591

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #PIE0676

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10213777

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, ... Read More »

    • TSB #21NA199

      Date Announced:
      DEC 10, 2021
      NHTSA ID:
      #10207911

      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 #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 #PIE0645

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10200174

      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), ... 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 #PIP5792B

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10201267

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission ... Read More »

    • TSB #PIP5792A

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10197301

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder or stall concern they should ... 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 #21NA106

      Date Announced:
      APR 30, 2021
      NHTSA ID:
      #10194117

      This informational bulletin advises the technician to verify the TCM is asleep before trying to repair the transmission in order for all the codes to be re-set. Read More »

    • TSB #PIE0615A

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10195152

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during ... 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 #PIP5799

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193429

      This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of ... 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 #PIT5715A

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190415

      This Preliminary Information provides information to the technician about a additional diagnostic tip for a check engine lamp for DTC P3055 and P3056 and the start/Stop being inoperative. Read More »

    • TSB #PIP5792

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190416

      This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder or stall concern they should ... Read More »

    • TSB #20NA138

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191207

      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 #PIE0615

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191244

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during ... Read More »

    • TSB #PIP5771B

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190354

      This Preliminary information communicates to the dealer technician to replace the valve body on 8 speed transmissions setting DTC P0796 if no debris is found in the transmission fluid pan. Read More »

    • TSB #PIP5733G

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187197

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation 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 #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. 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 #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 #20NA187

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181713

      This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off. 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 »

    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: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 #PIP5795

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10208964

      This Preliminary information communicates to technicians to replace the rear cover with seal in the event of a rear oil seal leak. 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 #N212328090

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10190764

      Customer Satisfaction Program. Certain 2021 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, equipped with an 8 speed automatic transmission, (RPO MQE), may have a broken reaction carrier in the transmission. 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 #16NA361

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10180293

      This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed. 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 »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • 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 »

    • TSB #21NA199

      Date Announced:
      DEC 10, 2021
      NHTSA ID:
      #10207911

      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 »

    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:FLUID/LUBRICANT:SEALS/GASKETS

    • TSB #22NA022

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10214239

      This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #N212336800

      Date Announced:
      JUL 01, 2021
      NHTSA ID:
      #10200193

      Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case. 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 »

    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 »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #PIP5962

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251705

      This Preliminary information communicates how to isolate a tick noise from the rear axle housing. Read More »

    • TSB #PIP5653M

      Date Announced:
      FEB 09, 2022
      NHTSA ID:
      #10208978

      This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly. Read More »

    • TSB #PIP5653L

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10208070

      This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly. Read More »

    ELECTRICAL SYSTEM

    • TSB #23-NA-064

      Date Announced:
      APR 16, 2024
      NHTSA ID:
      #10254014

      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 #20-NA-132

      Date Announced:
      APR 10, 2024
      NHTSA ID:
      #10253527

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

    • TSB #21-NA-155

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253528

      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 #22-NA-258

      Date Announced:
      APR 02, 2024
      NHTSA ID:
      #10252976

      This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body. Read More »

    • TSB #23-NA-112

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252789

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #10-08-45-001H

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252735

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #20-NA-132

      Date Announced:
      MAR 26, 2024
      NHTSA ID:
      #10252774

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

    • TSB #24-NA-060

      Date Announced:
      MAR 20, 2024
      NHTSA ID:
      #10252123

      This service bulletin provides repair information to correct a customer concerns of Radio Software issues. Read More »

    • TSB #22-NA-258

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10252117

      This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body. Read More »

    • TSB #21-NA-171

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251903

      This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage. Read More »

    • TSB #23-NA-170

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251909

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

    • TSB #PIT5689G

      Date Announced:
      MAR 07, 2024
      NHTSA ID:
      #10253068

      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. Temporarily on hold while PIE0572 is active. Read More »

    • TSB #23-NA-112

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251362

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. 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 #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 #21-NA-132

      Date Announced:
      JAN 25, 2024
      NHTSA ID:
      #10250249

      This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS. 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 #18-NA-180

      Date Announced:
      DEC 31, 2023
      NHTSA ID:
      #10248725

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. 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 #21-NA-149

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247527

      This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, ... Read More »

    • TSB #23-NA-201

      Date Announced:
      DEC 14, 2023
      NHTSA ID:
      #10247549

      This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. 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 #PIP5700E

      Date Announced:
      NOV 27, 2023
      NHTSA ID:
      #10247370

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. 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 #22-NA-210

      Date Announced:
      NOV 07, 2023
      NHTSA ID:
      #10245407

      This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter. 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 #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 #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 #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-138

      Date Announced:
      AUG 11, 2023
      NHTSA ID:
      #10242202

      This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue. 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 #21-NA-271

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241858

      This bulletin advises the technician of a possible coolant hose that might be kinked causing the customer concern. 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 #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 #23-NA-042

      Date Announced:
      JUN 28, 2023
      NHTSA ID:
      #10239115

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. Read More »

    • TSB #PIT6031

      Date Announced:
      JUN 12, 2023
      NHTSA ID:
      #10239157

      This Preliminary information communicates an issue where an aftermarket autostop device is causing a dead battery. 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 #22-NA-210

      Date Announced:
      MAY 01, 2023
      NHTSA ID:
      #10236053

      This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter. 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 #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 #22-NA-247

      Date Announced:
      APR 11, 2023
      NHTSA ID:
      #10235617

      This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely ... 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 #23-NA-042

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235402

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. 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-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 #23-NA-049

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234157

      This technical bulletin provides repair information to correct a customer concern of Volume Selection Does Not Clear from DIC After Adjusting Volume. 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 #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 #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-106

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234109

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... 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-042

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10234117

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. 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 #21-NA-149

      Date Announced:
      MAR 03, 2023
      NHTSA ID:
      #10232712

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #23-NA-026

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232464

      This technical bulletin provides repair information to correct a customer concern of LM2 Engine Calibration Update for DTC P003A. 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 #PIT5984

      Date Announced:
      FEB 15, 2023
      NHTSA ID:
      #10232817

      This Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts. Dealers are to suspect/monitor the crankshaft position sensor. Read More »

    • TSB #21-NA-132

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232074

      This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS. Read More »

    • TSB #21-NA-106

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232073

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #23-NA-014

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232079

      This technical bulletin provides repair information to correct a customer concern of Unable to Dismiss Turn By Turn Directions from the DIC. Read More »

    • TSB #19-NA-076

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232070

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. 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 #23-NA-002

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231514

      This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set. 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 #22-NA-087

      Date Announced:
      JAN 13, 2023
      NHTSA ID:
      #10230613

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... 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 #21-NA-081

      Date Announced:
      JAN 11, 2023
      NHTSA ID:
      #10230611

      This technical bulletin provides a procedure to locate a possible short in the engine wiring harness. Read More »

    • TSB #21-NA-106

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230601

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... 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-250

      Date Announced:
      DEC 12, 2022
      NHTSA ID:
      #10228901

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim. Read More »

    • TSB #21-NA-149

      Date Announced:
      DEC 08, 2022
      NHTSA ID:
      #10227798

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #PIP5843A

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10230684

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. 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-127

      Date Announced:
      NOV 04, 2022
      NHTSA ID:
      #10226118

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. Read More »

    • TSB #21-NA-171

      Date Announced:
      OCT 28, 2022
      NHTSA ID:
      #10225734

      This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage. Read More »

    • TSB #15-NA-087

      Date Announced:
      OCT 25, 2022
      NHTSA ID:
      #10225708

      This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system. 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 #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 #21-NA-149

      Date Announced:
      OCT 10, 2022
      NHTSA ID:
      #10224856

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. 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 #21-NA-077

      Date Announced:
      SEP 26, 2022
      NHTSA ID:
      #10222827

      This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. 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 #22-NA-087

      Date Announced:
      AUG 01, 2022
      NHTSA ID:
      #10217856

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... 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-082

      Date Announced:
      JUN 30, 2022
      NHTSA ID:
      #10215648

      This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set. 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 #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 #22-NA-087

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213243

      This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 ... Read More »

    • TSB #PIP5855

      Date Announced:
      MAY 18, 2022
      NHTSA ID:
      #10213800

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated with Any Combination of DTCs P0011 P0014 P0016 P0017 Setting. Read More »

    • TSB #21-NA-149

      Date Announced:
      MAY 09, 2022
      NHTSA ID:
      #10212919

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. 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 #22-NA-082

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210580

      This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set. 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 #19-NA-076

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209756

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    • TSB #PIP5843

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10210315

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. 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 #22-NA-046

      Date Announced:
      MAR 01, 2022
      NHTSA ID:
      #10209121

      This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC). 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 #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 #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 #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 #21NA271

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205590

      TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern. 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 #PIC6438B

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201318

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • TSB #PIC6444

      Date Announced:
      AUG 18, 2021
      NHTSA ID:
      #10201316

      This Preliminary information communicates a possible SIM issue with vehicles in the middle east. 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 #PIC6438A

      Date Announced:
      AUG 09, 2021
      NHTSA ID:
      #10201307

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. 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 #N212333800

      Date Announced:
      JUN 23, 2021
      NHTSA ID:
      #10200187

      Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). Read More »

    • TSB #21NA139

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200140

      This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set. Read More »

    • TSB #PIC6438

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10201290

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • TSB #PIE0609A

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10200156

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... Read More »

    • TSB #N212336570

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10200177

      Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM). 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 #21NA121

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10198889

      This technical bulletin provides a procedure to inspect fuses F51DR and/or F52DR in the X51R right instrument panel fuse block when they should not be installed. 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 #21NA121

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199280

      This technical bulletin provides a procedure to inspect fuses F51DR and/or F52DR in the X51R right instrument panel fuse block when they should not be installed. 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 #PIE0610B

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10200098

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or ... Read More »

    • TSB #PIE0623

      Date Announced:
      MAY 11, 2021
      NHTSA ID:
      #10200103

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on the Driver Information ... 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 #N212335340

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10197316

      Customer Satisfaction Program. Certain vehicles, equipped with a 5.3 L engine, may have a diagnostic calibration in the engine control module (ECM) causing it to stay awake resulting in a parasitic drain on the battery. 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 #21NA096

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199268

      This technical bulletin provides a procedure to program the ECM to correct the customers concern. 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 #PIT5836

      Date Announced:
      APR 22, 2021
      NHTSA ID:
      #10193466

      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 #PIT5677E

      Date Announced:
      APR 21, 2021
      NHTSA ID:
      #10193465

      This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Read More »

    • TSB #PIP5788A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193460

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off, with no driveabilty concerns. During inspection Technician may notice DTC P2635. Read More »

    • TSB #PIE0628

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10195156

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) ... 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 #21NA081

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10192044

      This technical bulletin provides a procedure to locate a possible short in the engine wiring harness. 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 #PIE0610A

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10191240

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or ... 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 #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 #PIE0610

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10188419

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or ... Read More »

    • TSB #PIE0609

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10188418

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... Read More »

    • TSB #PIE0599B

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186114

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC). Read More »

    • TSB #PIE0599B

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187735

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC). Read More »

    • TSB #PIE0601A

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186115

      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 being illuminated. Read More »

    • TSB #PIE0601A

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187736

      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 being illuminated. 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 #PIT5751C

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187189

      This Preliminary information communicates and issue with the SES MIL on setting DTC's P0201/P0202/P0203/P0204/P0205/P0206/P0216 and instructing dealership to inspect the engine wiring harness for damage. 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 #20NA221

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10186089

      This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio. 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 #PIC6423

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187168

      This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187612

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #PIE0601

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184521

      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 being illuminated. Read More »

    • TSB #PIP5752G

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184135

      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 #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 #20NA196

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183198

      This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes. 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 #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #20NA157

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10180315

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. 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 #PIP5745

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178395

      This Preliminary information communicates to technicians a possible cause and correction for a P026A 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 »

    ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS

    • TSB #PIT5962A

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10249294

      This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #20-NA-132

      Date Announced:
      MAR 26, 2024
      NHTSA ID:
      #10252774

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

    • 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 »

    ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION)

    • TSB #PIE0609A

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10200156

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #21NA149

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205552

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #21NA149

      Date Announced:
      JUN 29, 2021
      NHTSA ID:
      #10200147

      This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. Read More »

    • TSB #PIT5751C

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10185738

      This Preliminary information communicates and issue with the SES MIL on setting DTC's P0201/P0202/P0203/P0204/P0205/P0206/P0216 and instructing dealership to inspect the engine wiring harness for damage. 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 »

    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 »

    • TSB #PIT5789A

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10185713

      This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern. Read More »

    • TSB #PIT5789A

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187164

      This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern. 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 »

    • TSB #21NA068

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10192034

      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 2021 and newer model year vehicles with RPO ... Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #PIE0646

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200175

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

    • TSB #PIE0645

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10200174

      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), ... 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 #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 »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

    • 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

    • TSB #21NA078

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10192042

      This informational bulletin advises the technician of the changes in the DFM and DFM system for the pickups. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20-NA-132

      Date Announced:
      MAR 26, 2024
      NHTSA ID:
      #10252774

      This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. 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 #22-NA-046

      Date Announced:
      MAY 03, 2022
      NHTSA ID:
      #10211934

      This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC). Read More »

    • TSB #21NA187

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10214210

      This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. Read More »

    • TSB #21NA256

      Date Announced:
      DEC 13, 2021
      NHTSA ID:
      #10207916

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. Read More »

    • TSB #21NA136

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200138

      This technical bulletin provides repair information to correct a customer concern of Crooked Rear View Camera Guideline Image on Radio Display. Read More »

    • TSB #N212332820

      Date Announced:
      JUN 09, 2021
      NHTSA ID:
      #10200181

      Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Read More »

    • TSB #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186102

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. Read More »

    • TSB #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187429

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. 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 #N202319660

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184527

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #PIT5793

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184102

      This Preliminary information communicates that engineering is Work on a Software fix for some radio apps not Opening, Connected Navigation (live traffic, etc. Read More »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE

    • TSB #PIT5744D

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251709

      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 »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

    • TSB #PIT5744D

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251709

      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 #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:SOFTWARE

    • TSB #PIT5744D

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251709

      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 »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

    • TSB #PIT5744D

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251709

      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 #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: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 #PIP5843D

      Date Announced:
      MAR 06, 2024
      NHTSA ID:
      #10253066

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. Read More »

    • TSB #PIP5863B

      Date Announced:
      MAR 05, 2024
      NHTSA ID:
      #10253062

      This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. Read More »

    • 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 #PIP5843C

      Date Announced:
      JUN 20, 2023
      NHTSA ID:
      #10239172

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. 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 #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 #PIP5855

      Date Announced:
      MAY 18, 2022
      NHTSA ID:
      #10213800

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated with Any Combination of DTCs P0011 P0014 P0016 P0017 Setting. Read More »

    • TSB #PIP5843

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10210315

      This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting. 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 #21NA257

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10207917

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #21NA256

      Date Announced:
      DEC 13, 2021
      NHTSA ID:
      #10207916

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. 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 #PIE0628

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10195156

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) ... 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 #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 #PIT5767A

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10197289

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser. Read More »

    • TSB #21NA032

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191214

      This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after MAF Replacement. 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 »

    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 »

    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 #PIE0580A

      Date Announced:
      NOV 18, 2020
      NHTSA ID:
      #10184508

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area. Read More »

    • TSB #PIE0580

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10180705

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area. 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:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #PIT5734G

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250001

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • 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 #PIT5734F

      Date Announced:
      JUL 05, 2023
      NHTSA ID:
      #10240778

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • TSB #PIT5767A

      Date Announced:
      JAN 18, 2023
      NHTSA ID:
      #10231650

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser. 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 #N222375000

      Date Announced:
      OCT 03, 2022
      NHTSA ID:
      #10222263

      In certain vehicles, equipped with a manual HVAC system (RPO: C4P), the K33 HVAC Control Module may not properly enable the heater auxiliary coolant pump to maintain cabin heater temperature during engine auto stop events. 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 #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 #PIT5734E

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213802

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • TSB #PIT5734D

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210322

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • TSB #PIT5767A

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10197289

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser. 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:CONDENSOR/EVAPORATOR

    • TSB #PIT5767A

      Date Announced:
      JAN 18, 2023
      NHTSA ID:
      #10231650

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser. Read More »

    • TSB #PIT5767A

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10197289

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

    • TSB #PIT5734C

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10208061

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. 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 »

    AIR BAGS

    • 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 #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 #16NA361

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10212591

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #PIE0659A

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10213772

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service 4WD message displayed on the driver information center (DIC). 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 #PIT5803B

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193426

      This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction. 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 #PIT5803A

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10190397

      This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction Read More »

    • TSB #PIE0599B

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186114

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC). Read More »

    • TSB #PIE0599B

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187735

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC). Read More »

    • TSB #PIT5803

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10185748

      This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction Read More »

    • TSB #PIT5803

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187199

      This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187612

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    • TSB #PIE0599A

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184518

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC). Read More »

    • TSB #PIE0599

      Date Announced:
      NOV 17, 2020
      NHTSA ID:
      #10184517

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC). 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 »

    STRUCTURE

    • TSB #23-NA-112

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252789

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #19-NA-255

      Date Announced:
      MAR 27, 2024
      NHTSA ID:
      #10252745

      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 #19-NA-255

      Date Announced:
      MAR 21, 2024
      NHTSA ID:
      #10252124

      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 #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 #12-08-51-002P

      Date Announced:
      SEP 14, 2023
      NHTSA ID:
      #10243746

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 #19-NA-257

      Date Announced:
      JUL 27, 2023
      NHTSA ID:
      #10240184

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. 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 #PIE0701B

      Date Announced:
      JUL 26, 2023
      NHTSA ID:
      #10240264

      This engineering information (EI) closure ends the need to gather further information from technicians regarding taking pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off. 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 #PIT6036

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239184

      This Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts replaced along with the engine mount and dealership are to reference the parts catalog to determine if additional parts ... 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-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 #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 #12-08-51-002O

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222824

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #21-NA-077

      Date Announced:
      SEP 26, 2022
      NHTSA ID:
      #10222827

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

    • TSB #PIE0701A

      Date Announced:
      JUN 08, 2022
      NHTSA ID:
      #10214511

      This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed. 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 #19-NA-257

      Date Announced:
      MAY 18, 2022
      NHTSA ID:
      #10213028

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. 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 #21NA101

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10198878

      This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds. Read More »

    • TSB #21NA101

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10199269

      This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds. Read More »

    • TSB #21NA079

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199261

      This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error. Read More »

    • TSB #PIP5799

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193429

      This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of ... Read More »

    • TSB #PIP5798

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190444

      This Preliminary information communicates Some customers may comment about a rough idle and/or vibration at idle. 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 #PIP5776B

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10190356

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. Read More »

    • TSB #PIP5655E

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10190358

      This Preliminary information communicates to the dealer technician that the 10L1000 transmission and valve body assembly part restriction has ended. Read More »

    • TSB #PIP5771B

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190354

      This Preliminary information communicates to the dealer technician to replace the valve body on 8 speed transmissions setting DTC P0796 if no debris is found in the transmission fluid pan. Read More »

    • TSB #PIP5784

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190355

      This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body ... 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 #19NA257

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186075

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. 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 #19NA257

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187389

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. 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 »

    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 #PIE0701

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10213716

      This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed. Read More »

    • TSB #PIP5776E

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10201288

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. Read More »

    • TSB #PIP5795

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190435

      This Preliminary information communicates to technicians to replace the rear cover with seal in the event of a rear oil seal leak. Read More »

    • 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 »

    STRUCTURE:BODY:DOOR

    • TSB #21NA101

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10199269

      This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds. Read More »

    STRUCTURE:BODY:TAILGATE

    • TSB #23-NA-112

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251362

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • 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 #PIT5886A

      Date Announced:
      APR 25, 2022
      NHTSA ID:
      #10211774

      This Preliminary information communicates an issue with the tailgate latch handle disengaging from the tailgate. Dealers are to remove the tailgate handle standoff brackets. Read More »

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #23-NA-112

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252789

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • 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 »

    LATCHES/LOCKS/LINKAGES

    • TSB #23-NA-112

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251362

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. 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 #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 #PIT5886

      Date Announced:
      JAN 20, 2022
      NHTSA ID:
      #10208048

      This Preliminary information communicates an issue with the tailgate latch handle disengaging from the tailgate. Dealers are to remove the tailgate handle standoff brackets. 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 #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 #23-NA-037

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233353

      This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for Accessory Wheel Packages. 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 #PIP5820

      Date Announced:
      AUG 25, 2021
      NHTSA ID:
      #10201328

      This Preliminary information communicates Some customers may comment when coasting to a stop between 15-13 mph there is a shudder type sensation that can also be described as rumble strips in the vehicle that felt when coming to a stop. 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 »

    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 »

    TIRES:TEMPORARY/EMERGENCY SPARE TIRE

    • TSB #23-NA-037

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233353

      This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for Accessory Wheel Packages. 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 »

    WHEELS

    • TSB #00-03-10-006P

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253770

      This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #17-NA-052

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253526

      This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. 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 #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 #PIT5950A

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10247779

      This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed. 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-251

      Date Announced:
      JAN 04, 2023
      NHTSA ID:
      #10230604

      This technical bulletin provides a procedure to replace the front wheel drive shaft if found the cause of the custmers concern. 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 #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 #PIP5822B

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10211763

      This Preliminary information communicates to technicians to advise dealership technicians to inspect the camshaft exciter wheel and replace it if necessary. 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 #PIP5820

      Date Announced:
      AUG 25, 2021
      NHTSA ID:
      #10201328

      This Preliminary information communicates Some customers may comment when coasting to a stop between 15-13 mph there is a shudder type sensation that can also be described as rumble strips in the vehicle that felt when coming to a stop. 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 #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 »

    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 #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 #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 #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 »

    SEATS

    • TSB #21NA079

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198870

      This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error. Read More »

    • TSB #21NA079

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199261

      This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIT4322P

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251708

      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 #PIT6050

      Date Announced:
      AUG 21, 2023
      NHTSA ID:
      #10242306

      This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as noted above, the radio was remanufactured with missing components and will need to order another radio unit from the ... 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 #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 »

    FORWARD COLLISION AVOIDANCE

    • TSB #PIT5551N

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251704

      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 #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 #22-NA-046

      Date Announced:
      MAR 01, 2022
      NHTSA ID:
      #10209121

      This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC). 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 »

    FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

    • TSB #PIT5865B

      Date Announced:
      APR 27, 2023
      NHTSA ID:
      #10236171

      This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera. Read More »

    • TSB #PIT5865

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10204441

      This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera. Read More »

    FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE

    • TSB #PIT5865A

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10206734

      This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera. Read More »

    FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA

    • TSB #22-NA-046

      Date Announced:
      MAY 03, 2022
      NHTSA ID:
      #10211934

      This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC). Read More »

    LANE DEPARTURE

    • TSB #PIT5481H

      Date Announced:
      NOV 14, 2022
      NHTSA ID:
      #10227664

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #22-NA-046

      Date Announced:
      MAR 01, 2022
      NHTSA ID:
      #10209121

      This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC). Read More »

    • TSB #PIT5481G

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208036

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #PIT5865

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10204441

      This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera. Read More »

    • TSB #PIT5674B

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193451

      This Preliminary information communicates that after installation of GM Accessory Performance Brake Pads it may be noticed the EBCM has set DTC(s) C116C 05 and/or C116B 05. Read More »

    • TSB #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187208

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. Read More »

    LANE DEPARTURE: BLIND SPOT DETECTION

    • TSB #PIT5744D

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251709

      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 »

    LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING

    • TSB #PIT5865B

      Date Announced:
      APR 27, 2023
      NHTSA ID:
      #10236171

      This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera. Read More »

    LANE DEPARTURE: SENSING SYSTEM: OTHER

    • TSB #PIT5865A

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10206734

      This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera. 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 #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 #PIT5986

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232822

      This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close. 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 #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 #PIT5955

      Date Announced:
      OCT 14, 2022
      NHTSA ID:
      #10226370

      This Preliminary information communicates and issue when driving at highway speeds (above 60 mph) that there is a noise from the rear seat area that could be described as a buffering, pulsing, vibrating, roaring, booming type noise. 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 #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 #PIP5817A

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10208058

      This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. 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 #PIT5881A

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10208018

      This Preliminary information communicates an issue where the radio display will show a green spot in the front camera or the rear camera view when shifting to reverse. Read More »

    • TSB #PIT5881

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10208009

      This Preliminary information communicates an issue where the radio display will show a green spot in the front camera or the rear camera view when shifting to reverse. 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 #21NA136

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200138

      This technical bulletin provides repair information to correct a customer concern of Crooked Rear View Camera Guideline Image on Radio Display. 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 #PIT5666C

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10201278

      This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan. Dealers are to reposition the harness to fix the noise. 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 #19NA129

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10198849

      This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle. 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 #PIP5653K

      Date Announced:
      APR 15, 2021
      NHTSA ID:
      #10193454

      This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly. Read More »

    • TSB #PIT5666B

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193449

      This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan. Dealers are to reposition the harness to fix the noise. Read More »

    • TSB #PIT5674B

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193451

      This Preliminary information communicates that after installation of GM Accessory Performance Brake Pads it may be noticed the EBCM has set DTC(s) C116C 05 and/or C116B 05. 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 #PIE0627

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10191255

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards one or more camera views showing intermittent behavior and/or totally ... Read More »

    • TSB #PIP5787A

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190418

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »

    • TSB #PIP5787

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10190408

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. 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 #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 »

    BACK OVER PREVENTION:SOFTWARE

    • TSB #23-NA-042

      Date Announced:
      JUN 28, 2023
      NHTSA ID:
      #10239115

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. Read More »

    • TSB #22-NA-127

      Date Announced:
      FEB 22, 2023
      NHTSA ID:
      #10232458

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. Read More »

    • TSB #PIT5791A

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190443

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    • TSB #PIC6425C

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190407

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425A

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10185751

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425A

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187202

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10185750

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIC6425

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187201

      This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released. Read More »

    • TSB #PIT5793A

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185735

      This Preliminary information communicates that engineering is Work on a Software fix for some radio apps not Opening, Connected Navigation (live traffic, etc. Read More »

    • TSB #PIT5793A

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187186

      This Preliminary information communicates that engineering is Work on a Software fix for some radio apps not Opening, Connected Navigation (live traffic, etc. 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 »

    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 #N212356230

      Date Announced:
      OCT 06, 2022
      NHTSA ID:
      #10222648

      Certain vehicles may have a condition where the Front Camera Module (FCM) becomes unresponsive and generates a Diagnostic Trouble Code (DTC). Dealers are to re-program the FCM with the latest software available. 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 »

    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 #PIT5940A

      Date Announced:
      OCT 17, 2022
      NHTSA ID:
      #10226379

      This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. Read More »

    BACK OVER PREVENTION:DISPLAY FUNCTION

    • TSB #PIT5897A

      Date Announced:
      OCT 07, 2022
      NHTSA ID:
      #10226364

      This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern. Read More »

    • TSB #PIT5913A

      Date Announced:
      JUN 15, 2022
      NHTSA ID:
      #10216363

      This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue Read More »

    • TSB #PIT5829

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190442

      This Preliminary information communicates a condition where the the customer may see a SD card remove message accompanied by a 0X40000 code on the DIC or radio display. 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 #PIT5971B

      Date Announced:
      APR 03, 2023
      NHTSA ID:
      #10236130

      This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers 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 #PIT5966C

      Date Announced:
      OCT 04, 2023
      NHTSA ID:
      #10245986

      This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. Read More »

    • 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-064

      Date Announced:
      APR 16, 2024
      NHTSA ID:
      #10254014

      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 #20-NA-132

      Date Announced:
      APR 10, 2024
      NHTSA ID:
      #10253527

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

    • TSB #17-NA-052

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253526

      This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »

    • TSB #21-NA-155

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253528

      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 #20-NA-132

      Date Announced:
      MAR 26, 2024
      NHTSA ID:
      #10252774

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

    • TSB #17-NA-302

      Date Announced:
      MAR 20, 2024
      NHTSA ID:
      #10252106

      This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area. Read More »

    • TSB #24-NA-060

      Date Announced:
      MAR 20, 2024
      NHTSA ID:
      #10252123

      This service bulletin provides repair information to correct a customer concerns of Radio Software issues. Read More »

    • TSB #07-00-89-037S

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251888

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #21-NA-171

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251903

      This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage. Read More »

    • TSB #11-00-89-005X

      Date Announced:
      MAR 10, 2024
      NHTSA ID:
      #10251889

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). 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 #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-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 #18-NA-180

      Date Announced:
      DEC 31, 2023
      NHTSA ID:
      #10248725

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #16-NA-361

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248703

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. 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 #22-NA-251

      Date Announced:
      NOV 08, 2023
      NHTSA ID:
      #10245409

      This service bulletin provides a procedure to replace the front wheel drive shaft to correct a customer concern of a Squeak/Chirp Noise from Front Axle in 2wd. 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-148

      Date Announced:
      OCT 10, 2023
      NHTSA ID:
      #10245010

      This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap. 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 #PIT5950A

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10247779

      This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed. 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 #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 #12-08-51-002P

      Date Announced:
      SEP 14, 2023
      NHTSA ID:
      #10243746

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 #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 #PIE0701B

      Date Announced:
      JUL 26, 2023
      NHTSA ID:
      #10240264

      This engineering information (EI) closure ends the need to gather further information from technicians regarding taking pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off. 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 #23-NA-042

      Date Announced:
      JUN 28, 2023
      NHTSA ID:
      #10239115

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. 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 #PIP5921

      Date Announced:
      MAY 04, 2023
      NHTSA ID:
      #10237639

      This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier. 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 #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 #23-NA-042

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10235402

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. 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 #23-NA-049

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234157

      This technical bulletin provides repair information to correct a customer concern of Volume Selection Does Not Clear from DIC After Adjusting Volume. 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 #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-042

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10234117

      This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues. 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 #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 #23-NA-014

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232079

      This technical bulletin provides repair information to correct a customer concern of Unable to Dismiss Turn By Turn Directions from the DIC. Read More »

    • TSB #19-NA-076

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232070

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. 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-250

      Date Announced:
      DEC 12, 2022
      NHTSA ID:
      #10228901

      This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim. 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-127

      Date Announced:
      NOV 04, 2022
      NHTSA ID:
      #10226118

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software 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 #PIT5950

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10224302

      This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed. Read More »

    • TSB #12-08-51-002O

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222824

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 #22-NA-174

      Date Announced:
      AUG 24, 2022
      NHTSA ID:
      #10219362

      This service bulletin provides information on Terms and Conditions/Privacy Statement App (TCPS App) Guide for infotainment systems in a default factory demo mode. 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-127

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217857

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. 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 #22-NA-127

      Date Announced:
      JUL 26, 2022
      NHTSA ID:
      #10217117

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. 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-188

      Date Announced:
      JUN 24, 2022
      NHTSA ID:
      #10215627

      This service bulletin provides service information/procedures on continuous improvement Radio Software Version V158 Update to address customer comments on software related issues. Read More »

    • TSB #22-NA-127

      Date Announced:
      JUN 24, 2022
      NHTSA ID:
      #10215633

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. Read More »

    • TSB #19-NA-076

      Date Announced:
      JUN 22, 2022
      NHTSA ID:
      #10215624

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. 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 #PIE0701

      Date Announced:
      JUN 02, 2022
      NHTSA ID:
      #10213716

      This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed. 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 #22-NA-029

      Date Announced:
      MAR 09, 2022
      NHTSA ID:
      #10209393

      This technical bulletin provides a procedure to install a new tonneau cover front seal. 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 #PIT5897

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10210310

      This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern. Read More »

    • TSB #21NA219

      Date Announced:
      FEB 02, 2022
      NHTSA ID:
      #10214232

      This informational bulletin provides information for dealers/technicians on an elevated idle feature. Read More »

    • TSB #21NA095

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10214206

      This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. 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 #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 #21NA187

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10214210

      This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. 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 #21NA267

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205586

      This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe. Read More »

    • TSB #21NA271

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205590

      TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern. Read More »

    • TSB #21NA272

      Date Announced:
      NOV 19, 2021
      NHTSA ID:
      #10205591

      This service bulletin provides information on Engine Oil Consumption Guidelines. 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 #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 #21NA257

      Date Announced:
      NOV 12, 2021
      NHTSA ID:
      #10205577

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. 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 #PIP5816A

      Date Announced:
      SEP 27, 2021
      NHTSA ID:
      #10202406

      This Preliminary information communicates A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed. Unknown Engineering is looking it to this concern 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 #PIC6438B

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201318

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • TSB #PIC6444

      Date Announced:
      AUG 18, 2021
      NHTSA ID:
      #10201316

      This Preliminary information communicates a possible SIM issue with vehicles in the middle east. 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 #PIP5776F

      Date Announced:
      JUL 19, 2021
      NHTSA ID:
      #10201248

      This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. Read More »

    • TSB #N212336800

      Date Announced:
      JUL 01, 2021
      NHTSA ID:
      #10200193

      Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case. 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 #PIE0648

      Date Announced:
      JUN 24, 2021
      NHTSA ID:
      #10200176

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel. 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 #PIE0646

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200175

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

    • TSB #PIE0645

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10200174

      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), ... Read More »

    • TSB #PIE0609A

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10200156

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... 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 #21NA095

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200125

      This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. 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 #PIP5654A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193447

      This Preliminary information communicates to the dealer technician that the valve body Part Unique Number (PUN) may contain the letter O or the number 0. 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 #21NA053

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191226

      This service bulletin provides repair information for Radio Software Version V155 Update. 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 #PIP5745A

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190422

      This Preliminary information communicates to technicians a possible cause and correction for a P026A 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 #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 #PIT5820

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190364

      This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering has releasing updated cals to correct the concern. Read More »

    • TSB #N232329330

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190762

      Customer Satisfaction Program. Certain vehicles may have a cargo tie down ring made incorrectly available for ordering at the time of vehicle purchase. Read More »

    • TSB #N212328090 Stop

      Date Announced:
      FEB 08, 2021
      NHTSA ID:
      #10207737

      Stop Delivery Order for Upcoming Customer Satisfaction Program. 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 #18NA285

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187747

      This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil. Read More »

    • TSB #PIE0610

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10188419

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or ... 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 #PIE0609

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10188418

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... 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 #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186102

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. 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 #19NA257

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186075

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. Read More »

    • TSB #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186101

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    • TSB #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186051

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186073

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187213

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187618

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. 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 #20NA221

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10186089

      This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio. Read More »

    • TSB #17NA166

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186061

      This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. 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 #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 #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 #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186046

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. 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 #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187612

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. 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 #PIP5752G

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184135

      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 #PIE0580A

      Date Announced:
      NOV 18, 2020
      NHTSA ID:
      #10184508

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area. 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 #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. 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 #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 #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 #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 #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. 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 #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 »

    EQUIPMENT:ELECTRICAL

    • TSB #23-NA-112

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252789

      This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »

    • TSB #PIT5918A

      Date Announced:
      MAR 06, 2024
      NHTSA ID:
      #10253067

      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 »

    • TSB #PIT6097C

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10250007

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update. Read More »

    • TSB #23-NA-201

      Date Announced:
      DEC 14, 2023
      NHTSA ID:
      #10247549

      This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #PIT6097B

      Date Announced:
      DEC 13, 2023
      NHTSA ID:
      #10249286

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones. 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 #PIT5966B

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10239160

      This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. Read More »

    • TSB #PIT5971A

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234222

      This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern. 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 #22-NA-127

      Date Announced:
      FEB 22, 2023
      NHTSA ID:
      #10232458

      This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. Read More »

    • TSB #PIT5971

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231661

      This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern. Read More »

    • TSB #PIP5788B

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231651

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off, with no driveabilty concerns. During inspection Technician may notice DTC P2635. 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 #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 #N212336800

      Date Announced:
      JUL 01, 2021
      NHTSA ID:
      #10200193

      Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case. 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 #PIT5830

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193428

      This Preliminary information communicates an issue with a low or dead battery issue caused by incorrect ECM calibrations. Read More »

    • TSB #20NA160

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183191

      This service bulletin provides information for dealers/technicians on Normal Characteristic - Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #24-NA-060

      Date Announced:
      MAR 20, 2024
      NHTSA ID:
      #10252123

      This service bulletin provides repair information to correct a 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 #PIT5913

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10213788

      This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue 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 #PIT5897

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10210310

      This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern. 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 #21NA187

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10214210

      This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. Read More »

    • TSB #N212332820

      Date Announced:
      JUN 09, 2021
      NHTSA ID:
      #10200181

      Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Read More »

    • TSB #PIT5829

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190442

      This Preliminary information communicates a condition where the the customer may see a SD card remove message accompanied by a 0X40000 code on the DIC or radio display. Read More »

    • TSB #PIT5791A

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190443

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    • TSB #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186102

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. Read More »

    • TSB #20NA237

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187429

      This service bulletin provides V152 radio software update information to correct customer concerns of various software issues. 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 #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186101

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    • TSB #20NA221

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187416

      This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio. Read More »

    • TSB #PIT5791

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184098

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIT5927

      Date Announced:
      JUL 05, 2022
      NHTSA ID:
      #10217763

      This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. Read More »

    • TSB #PIT5793

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184102

      This Preliminary information communicates that engineering is Work on a Software fix for some radio apps not Opening, Connected Navigation (live traffic, etc. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT

    • TSB #PIT6084A

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249979

      This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. Read More »

    • TSB #PIT6097

      Date Announced:
      DEC 06, 2023
      NHTSA ID:
      #10249270

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones. Read More »

    • TSB #PIT6084

      Date Announced:
      NOV 07, 2023
      NHTSA ID:
      #10247348

      This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. Read More »

    • 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 »

    • TSB #19-NA-076

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232070

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #PIT6097

      Date Announced:
      DEC 06, 2023
      NHTSA ID:
      #10249270

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones. Read More »

    • TSB #PIT5927B

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232799

      This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. Read More »

    • TSB #N202316020

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10200183

      Service Update - Radio Software Update (OTA) - Certain 2021 model year vehicles listed above, with an infotainment system, may have a condition where the infotainment system screen will appear black with no audio and no chime at key on ... Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

    • TSB #PIC6423

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10185717

      This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. 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:WIRELESS CHARGER/CRADLE

    • TSB #PIT6097B

      Date Announced:
      DEC 13, 2023
      NHTSA ID:
      #10249286

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones. Read More »

    • TSB #PIT6097A

      Date Announced:
      DEC 08, 2023
      NHTSA ID:
      #10249281

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones. 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 #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 »

    EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)

    • TSB #PIP5943

      Date Announced:
      OCT 19, 2023
      NHTSA ID:
      #10246011

      This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #20-NA-132

      Date Announced:
      MAR 26, 2024
      NHTSA ID:
      #10252774

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

    • TSB #23-NA-103

      Date Announced:
      MAR 21, 2024
      NHTSA ID:
      #10252126

      This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »

    • TSB #24-NA-040

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10251635

      This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. Read More »

    • TSB #PIT5448J

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253060

      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 #PIT5734G

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250001

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • 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 #PIT5662G

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227670

      This Preliminary information communicates information to diagnose DTC C056D or C056E. 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 #PIT5927A

      Date Announced:
      OCT 28, 2022
      NHTSA ID:
      #10226400

      This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. 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 #PIT5927

      Date Announced:
      JUL 05, 2022
      NHTSA ID:
      #10217763

      This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. 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 #PIP5793

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190429

      This Preliminary information communicates Information on AFM/DFM usage for 2021 MY pickups Read More »

    • TSB #PIP5788

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190406

      This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off, with no driveabilty concerns. During inspection Technician may notice DTC P2635. 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 #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 #PIP5764

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184132

      This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction 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 #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 »

    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 #19NA218

      Date Announced:
      DEC 17, 2021
      NHTSA ID:
      #10212558

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #21NA257

      Date Announced:
      NOV 12, 2021
      NHTSA ID:
      #10205577

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #PIE0648

      Date Announced:
      JUN 24, 2021
      NHTSA ID:
      #10200176

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel. 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 #PIE0646

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200175

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the ... 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 #PIE0610

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10188419

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or ... Read More »

    • TSB #PIE0609

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10188418

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced ... 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 #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186051

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186073

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. Read More »

    • TSB #N202319660 01

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187618

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. 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 #N202320510

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186046

      Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. 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 #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 #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 #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 »

    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 #PIT5734A

      Date Announced:
      OCT 08, 2020
      NHTSA ID:
      #10182543

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #N212332820

      Date Announced:
      JUN 09, 2021
      NHTSA ID:
      #10200181

      Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. 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 #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187428

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    • TSB #PIT5791

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184098

      This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". 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 #17-NA-073

      Date Announced:
      MAR 01, 2024
      NHTSA ID:
      #10251513

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIT5687A

      Date Announced:
      JAN 02, 2024
      NHTSA ID:
      #10249954

      This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers complaints of a SES MIL, Crank No Start, stalling DTC's: P16A7 and/or P16AF. Read More »

    • TSB #PIT5962A

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10249294

      This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »

    • 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 #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 #PIE0679

      Date Announced:
      FEB 28, 2022
      NHTSA ID:
      #10215779

      Engineering Information. Read More »

    • TSB #060089029U

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10215769

      Information. Read More »

    • TSB #090604026V

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10215770

      Information. Read More »

    • TSB #PIE0678

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10215777

      Engineering Information. Read More »

    • TSB #PIE0678A

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10215778

      Engineering 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 »