Technical Service Bulletins (TSBs) for the 2019 Silverado 2500 are official communications between Chevrolet & 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 #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 #PIT5544E

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

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

    • TSB #16NA109

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

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

    • TSB #PIT5544D

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

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

    • TSB #20NA006

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

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

    • TSB #20NA021

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

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

    • TSB #20NA006

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

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

    • TSB #PIT5544C

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

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

    • TSB #PIT5288G

      Date Announced:
      AUG 08, 2019
      NHTSA ID:
      #10164757

      This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »

    • TSB #16NA109

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

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

    • TSB #130232001F

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

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

    • TSB #PIT5527B

      Date Announced:
      FEB 18, 2019
      NHTSA ID:
      #10154300

      This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Read More »

    • TSB #17NA330

      Date Announced:
      DEC 04, 2018
      NHTSA ID:
      #10154978

      This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work. Read More »

    • TSB #PIT5544B

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147373

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

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #PIT5544B

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147373

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

    SUSPENSION

    • TSB #20NA078

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

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

    • TSB #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 #20NA212

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184494

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #PIT5457D

      Date Announced:
      JUN 14, 2019
      NHTSA ID:
      #10162127

      This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #060309004N

      Date Announced:
      OCT 31, 2019
      NHTSA ID:
      #10168206

      This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »

    • TSB #18NA183

      Date Announced:
      AUG 06, 2019
      NHTSA ID:
      #10165090

      This technical bulletin provides a procedure to check and repair the rear shackle and/or add lube to the leaf springs to correct the noise. Read More »

    • TSB #060309004M

      Date Announced:
      JUN 13, 2019
      NHTSA ID:
      #10163262

      This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. 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 »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #090309001G

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163265

      This technical bulletin provides a procedure for re-torque the lead springs. Read More »

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET

    • TSB #090309001G

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163265

      This technical bulletin provides a procedure for re-torque the lead springs. Read More »

    BRAKES (PWS)

    • 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 #070316004D

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

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

    • TSB #20NA161

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184491

      This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve. Read More »

    • TSB #PIT5206G

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178323

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #20NA101

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176634

      This technical bulletin provides a procedure for pad replacement due to on premature and/or uneven brake pad wear. Read More »

    • TSB #PIT3665H

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10162149

      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 #19NA116

      Date Announced:
      MAY 30, 2019
      NHTSA ID:
      #10161903

      This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »

    • TSB #19NA116

      Date Announced:
      MAY 30, 2019
      NHTSA ID:
      #10161926

      This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »

    • TSB #PIT5311E

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160665

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »

    • TSB #PIT5479B

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10154583

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

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIP4723F

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

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

    • TSB #20NA197

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

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

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #19NA116

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183169

      This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »

    SERVICE BRAKES, AIR:DISC:PADS

    • TSB #19NA116

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183169

      This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »

    PARKING BRAKE

    • 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 #19NA035

      Date Announced:
      APR 08, 2019
      NHTSA ID:
      #10160125

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »

    PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR

    • TSB #19NA035

      Date Announced:
      APR 08, 2019
      NHTSA ID:
      #10160125

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »

    PARKING BRAKE:ELECTRICAL:CONTROL MODULE

    • TSB #20-NA-207

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

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

    ENGINE (PWS)

    • TSB #16-NA-372

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

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

    • TSB #12-00-89-003B

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

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

    • TSB #PIP5844

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

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

    • TSB #22NA014

      Date Announced:
      JAN 21, 2022
      NHTSA ID:
      #10212630

      This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern. 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 #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 #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 #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 #20NA161

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10199250

      This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve. 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 #19NA044

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

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

    • TSB #000601026N

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

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

    • TSB #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 #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 #20NA212

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184494

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA212

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183210

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. 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 #17NA393

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183151

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. 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 #20NA176

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

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

    • TSB #16NA338

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

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

    • TSB #PIP5504F

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

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

    • TSB #PIP5733

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

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

    • TSB #20NA055

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178263

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

    • TSB #030601023D

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

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

    • TSB #140604004G

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

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

    • TSB #20NA098

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

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

    • TSB #150601002J

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176651

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #20NA055

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176625

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

    • TSB #20NA055

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176627

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

    • TSB #150601002I

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10174306

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »

    • TSB #040601029J

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

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

    • TSB #20NA043

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

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

    • TSB #18NA073

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

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

    • TSB #19NA212

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

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

    • TSB #PIP5531A

      Date Announced:
      JAN 07, 2020
      NHTSA ID:
      #10171259

      This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »

    • TSB #19NA212

      Date Announced:
      NOV 18, 2019
      NHTSA ID:
      #10169315

      This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. Read More »

    • TSB #N192264210 Messa

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10207726

      Customer Satisfaction Program. Stock VIN List sent. Read More »

    • TSB #19NA109

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165098

      This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. Read More »

    • TSB #16NA376

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

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

    • TSB #17NA374

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

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

    • TSB #090604026Q

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163266

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

    • TSB #19NA108

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163238

      This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked. Read More »

    • TSB #18NA150

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

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

    • TSB #19NA109

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161956

      This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. Read More »

    • TSB #19NA108

      Date Announced:
      MAY 16, 2019
      NHTSA ID:
      #10161955

      This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked. Read More »

    • TSB #140604004E

      Date Announced:
      APR 30, 2019
      NHTSA ID:
      #10160134

      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 #PIE0518

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160138

      This engineering informational bulletin is requesting information on ways to check to see when the vehicle needs a oil change without the oil life monitor notifying you. Read More »

    • TSB #PIP5541A

      Date Announced:
      MAR 27, 2019
      NHTSA ID:
      #10156952

      This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern. Read More »

    • TSB #PIP5629

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156930

      This Preliminary information communicates to the dealer technicians that the oil life monitoring system for 2019 Duramax 6.6 L5P is under investigation by engineering.  Read More »

    • TSB #150601002H

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158866

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »

    • TSB #19NA044

      Date Announced:
      MAR 01, 2019
      NHTSA ID:
      #10158838

      This informational bulletin provides information on a normal engine operating condition for faster emission warm up time. Read More »

    • TSB #PIT5391E

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154280

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »

    • TSB #18NA334

      Date Announced:
      FEB 06, 2019
      NHTSA ID:
      #10156900

      This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine. Read More »

    • TSB #17NA051

      Date Announced:
      FEB 06, 2019
      NHTSA ID:
      #10154640

      This informational bulletin provides information on High Oil Pressure during Initial Start of Vehicle is considered a normal characteristic and no repairs should be completed for this condition. Read More »

    • TSB #18366

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10207699

      Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Read More »

    • TSB #PIT5350B

      Date Announced:
      NOV 27, 2018
      NHTSA ID:
      #10151879

      This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Read More »

    • TSB #18NA334

      Date Announced:
      NOV 08, 2018
      NHTSA ID:
      #10155111

      This informational bulletin provides information on characteristics of the new engine versus the old engine. Read More »

    • TSB #PIP5607

      Date Announced:
      OCT 30, 2018
      NHTSA ID:
      #10149066

      This Preliminary information communicates that GM engineering is investigating the root cause of DTCs P24B3 and / or P24B5 setting. Read More »

    • TSB #PIT5586B

      Date Announced:
      AUG 27, 2018
      NHTSA ID:
      #10144472

      This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not ... Read More »

    ENGINE AND ENGINE COOLING

    • TSB #22-NA-009

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

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

    • TSB #21-NA-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 #03-06-01-023E

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

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

    • TSB #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 #22-NA-074

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

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

    • TSB #22-NA-009

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

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

    • TSB #05-00-89-072E

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209741

      This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management. 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 #PIT5479E

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

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

    • TSB #19NA187

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

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

    • TSB #18NA011

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

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

    • TSB #18NA098

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

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

    • TSB #PIP5832

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

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

    • TSB #PIP5628E

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

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

    • TSB #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 #19NA153

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205540

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. 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 #PIT5245D

      Date Announced:
      AUG 26, 2021
      NHTSA ID:
      #10201329

      This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »

    • TSB #21NA113

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

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

    • TSB #20NA161

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10198859

      This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve. 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 #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 #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 #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 #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186085

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #150601002K

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186107

      This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »

    • TSB #150601002K

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187628

      This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. 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 #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 #090604026S

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

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

    • TSB #19NA136

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

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

    • TSB #18NA098

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

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

    • TSB #20NA213

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

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

    • TSB #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 #20NA181

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181707

      This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint. Read More »

    • TSB #20NA166

      Date Announced:
      AUG 21, 2020
      NHTSA ID:
      #10180321

      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 #19NA218

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176613

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

    • TSB #20NA043

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

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

    • TSB #20NA090

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

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

    • TSB #PIP5719B

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

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

    • TSB #PIP5719A

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

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

    • TSB #140604004F

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

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

    • TSB #PIP5370E

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

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

    • TSB #N192264210

      Date Announced:
      OCT 15, 2019
      NHTSA ID:
      #10167480

      N192264210 - Customer Satisfaction Program - Certain vehicles may have a condition in which the block heater cable function was disabled. Dealers will replace the engine block heater and cord. Read More »

    • TSB #18NA361

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

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

    • TSB #010601011K

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

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

    • TSB #16NA372

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

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

    • TSB #19NA212

      Date Announced:
      SEP 16, 2019
      NHTSA ID:
      #10166635

      This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. Read More »

    • TSB #19NA187

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

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

    • TSB #090604026R

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

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

    • TSB #000601026M

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

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

    • TSB #070601016F

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

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

    • TSB #PIE0518A

      Date Announced:
      AUG 01, 2019
      NHTSA ID:
      #10165131

      This engineering informational bulletin is requesting information on ways to check to see when the vehicle needs a oil change without the oil life monitor notifying you. Read More »

    • TSB #PIP5335C

      Date Announced:
      JUN 19, 2019
      NHTSA ID:
      #10162143

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Read More »

    • TSB #18NA334

      Date Announced:
      FEB 06, 2019
      NHTSA ID:
      #10155588

      This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine. Read More »

    • TSB #PIC5650F

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154604

      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 #PIP5212B

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10154581

      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 #PIP5594

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147379

      This Preliminary information communicates to the dealer technician that there may be a possibleMis-build of the Diesel Exhaust Fluid (DEF) Injector if it was built before provided break point. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090604026S

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

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

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

    • TSB #21NA113

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

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

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • 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 #N192264210

      Date Announced:
      JUL 01, 2021
      NHTSA ID:
      #10200195

      Customer Satisfaction Program Closed Message sent. Read More »

    • TSB #030604017O

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

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

    • TSB #16NA372

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

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

    • TSB #16NA376

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

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

    • TSB #18NA361

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

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

    • TSB #17NA374

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

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

    • TSB #N192264210-02

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176823

      Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #18NA150

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

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

    • TSB #010601011L

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

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

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

    • TSB #22NA009

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

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

    • TSB #16NA222

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

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

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

    • TSB #20NA197

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

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

    • TSB #20NA161

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184491

      This informational bulletin advises the technician to check for a possible stuck oil pressure relief valve. Read More »

    • TSB #20NA090

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

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

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

    • TSB #20NA090

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

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

    • TSB #21NA113

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

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

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #22NA013

      Date Announced:
      JAN 20, 2022
      NHTSA ID:
      #10212629

      This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    • TSB #19NA104

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10163237

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

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

    • TSB #20NA010

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176620

      This technical bulletin provides a procedure to replace the cooling fan if found contacting the shroud causing the customers concern. 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 »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #19NA237

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

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

    • TSB #20NA203

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

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

    • TSB #100605002I

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

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

    • TSB #17NA374

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

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

    • TSB #100605002H

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

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

    • TSB #16NA383

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161932

      This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »

    • TSB #060605001H

      Date Announced:
      MAR 05, 2019
      NHTSA ID:
      #10158860

      This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #20NA142

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

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

    • TSB #15NA010

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

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

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

    • TSB #PIP5503B

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10171264

      This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

    • TSB #22NA025

      Date Announced:
      FEB 02, 2022
      NHTSA ID:
      #10214241

      This technical bulletin provides a procedure to check and repair the balancer if found contacting the front cover. Read More »

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

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

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

    • TSB #16NA380

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178252

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

    • TSB #16NA380

      Date Announced:
      AUG 26, 2019
      NHTSA ID:
      #10165080

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

    • TSB #16NA380

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10161931

      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 #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 #05-00-89-072E

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209741

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

    • TSB #22NA014

      Date Announced:
      JAN 21, 2022
      NHTSA ID:
      #10212630

      This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern. 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 #16NA372

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212593

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

    • TSB #16NA244

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212589

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

    • TSB #050604022S

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213759

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

    • TSB #20NA110

      Date Announced:
      AUG 20, 2021
      NHTSA ID:
      #10205057

      This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10199256

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10198865

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #18NA361

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198846

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

    • TSB #19NA153

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198850

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #20NA197

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10191209

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

    • TSB #18NA361

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181676

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

    • TSB #20NA162

      Date Announced:
      AUG 17, 2020
      NHTSA ID:
      #10180318

      THis informational bulletin advises the tech of a possible plugged fuel breather vent and how to add a vent breather line to correct the customers concern. Read More »

    • TSB #19NA277

      Date Announced:
      JUL 21, 2020
      NHTSA ID:
      #10178960

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #20NA110

      Date Announced:
      JUN 11, 2020
      NHTSA ID:
      #10178270

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #19NA277

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176619

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #19NA277

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171899

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #17NA302

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170699

      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 #18NA361

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10165093

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

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

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

    • TSB #18NA361

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163208

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

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      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 #18NA334

      Date Announced:
      FEB 06, 2019
      NHTSA ID:
      #10158776

      This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine. Read More »

    • TSB #17NA302

      Date Announced:
      JAN 15, 2019
      NHTSA ID:
      #10155054

      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 #18366

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10207990

      Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Read More »

    • TSB #18NA361

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10154992

      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 »

    FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

    • TSB #19NA277

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171899

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199281

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

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS

    • TSB #20NA197

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181720

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

    • TSB #20NA197

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184492

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #20NA098

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

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR

    • TSB #20NA043

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10214197

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

    FUEL SYSTEM, DIESEL

    • TSB #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 #N212346580-01

      Date Announced:
      MAR 16, 2022
      NHTSA ID:
      #10209106

      Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. 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 #16NA372

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212593

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

    • TSB #16NA244

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212589

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

    • TSB #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 #20NA110

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187757

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #030604017O

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

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

    • TSB #16NA244

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183127

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

    • TSB #19NA237

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

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

    • TSB #16NA372

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

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

    • TSB #16NA376

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

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

    • TSB #050604022R

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183779

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

    • TSB #18NA361

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

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

    • TSB #20NA110

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183168

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #19NA237

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10168197

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

    • TSB #030604017N

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10166665

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

    • TSB #PIP5626A

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10162165

      This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Read More »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

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

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      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 #18NA334

      Date Announced:
      FEB 06, 2019
      NHTSA ID:
      #10158164

      This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine. Read More »

    • TSB #18366

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10207990

      Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Read More »

    FUEL SYSTEM, DIESEL: PRE-HEATER

    • TSB #N192264210-02

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176823

      Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. 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 »

    FUEL SYSTEM, OTHER:STORAGE

    • TSB #PIE0499B

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158873

      This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made. Read More »

    POWER TRAIN

    • 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 #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 #17-NA-066

      Date Announced:
      MAY 18, 2022
      NHTSA ID:
      #10213007

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #20-NA-050

      Date Announced:
      APR 28, 2022
      NHTSA ID:
      #10211070

      This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »

    • TSB #PIP5794B

      Date Announced:
      APR 21, 2022
      NHTSA ID:
      #10211773

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

    • TSB #20-NA-209

      Date Announced:
      MAR 24, 2022
      NHTSA ID:
      #10209905

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #20-NA-207

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

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

    • TSB #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 #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 #19NA153

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205540

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #21NA113

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10199275

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

    • TSB #16NA338

      Date Announced:
      APR 30, 2021
      NHTSA ID:
      #10194079

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

    • TSB #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 #PIT5544D

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

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

    • TSB #19NA153

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187384

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

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

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187372

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

    • TSB #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 »

    • TSB #16NA338

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

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

    • TSB #20NA142

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178976

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

    • TSB #PIP5504F

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

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

    • TSB #PIP5504E

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178345

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

    • TSB #20NA138

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178288

      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 #19NA035

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10175748

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »

    • TSB #20NA019

      Date Announced:
      FEB 25, 2020
      NHTSA ID:
      #10173408

      This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition. Read More »

    • TSB #19NA153

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169271

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #990420002K

      Date Announced:
      OCT 29, 2019
      NHTSA ID:
      #10168212

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »

    • TSB #16NA338

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168175

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

    • TSB #16NA361

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10168176

      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 »

    • TSB #19NA153

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10165104

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PI1344C

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163902

      This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set. Read More »

    • TSB #16NA338

      Date Announced:
      JUN 06, 2019
      NHTSA ID:
      #10163215

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

    • TSB #PIT5202E

      Date Announced:
      JUN 04, 2019
      NHTSA ID:
      #10162108

      This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »

    • TSB #080730035D

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161968

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #17NA228

      Date Announced:
      APR 26, 2019
      NHTSA ID:
      #10160109

      This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic. Read More »

    • TSB #PIP5541A

      Date Announced:
      MAR 27, 2019
      NHTSA ID:
      #10156952

      This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern. Read More »

    • TSB #19NA035

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158834

      This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as attended causing the parking pawl to engage while driving. Read More »

    • TSB #16NA338

      Date Announced:
      FEB 28, 2019
      NHTSA ID:
      #10154638

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

    • TSB #PIP4021D

      Date Announced:
      FEB 21, 2019
      NHTSA ID:
      #10154312

      This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has ... Read More »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #PIP4379N

      Date Announced:
      SEP 12, 2018
      NHTSA ID:
      #10145478

      This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. 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:CLUTCH ASSEMBLY:BELL HOUSING

    • TSB #20NA078

      Date Announced:
      MAR 31, 2020
      NHTSA ID:
      #10174296

      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 »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    POWER TRAIN:AUTOMATIC 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 »

    • 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 #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

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

    • TSB #20NA212

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184494

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA212

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183210

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. 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 »

    • TSB #PIT5206G

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178323

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #20NA055

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178263

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

    • TSB #PIP5531A

      Date Announced:
      JAN 07, 2020
      NHTSA ID:
      #10171259

      This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »

    • TSB #080730026F

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165123

      This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

    • TSB #PIP5369C

      Date Announced:
      APR 09, 2019
      NHTSA ID:
      #10160646

      This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. 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 »

    • TSB #20NA142

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181693

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

    • 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:TORQUE CONVERTER

    • TSB #20NA142

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

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

    • TSB #19NA153

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10186070

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #20NA142

      Date Announced:
      OCT 15, 2020
      NHTSA ID:
      #10183190

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

    • TSB #19NA153

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10164123

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #19NA136

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

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

    • TSB #PIE0560A

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175858

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC). Read More »

    • TSB #19NA136

      Date Announced:
      JUN 19, 2019
      NHTSA ID:
      #10163252

      This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIP4670J

      Date Announced:
      MAR 28, 2022
      NHTSA ID:
      #10210348

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #20-NA-209

      Date Announced:
      MAR 24, 2022
      NHTSA ID:
      #10209905

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #N212346580-01

      Date Announced:
      MAR 16, 2022
      NHTSA ID:
      #10209106

      Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Read More »

    • TSB #18-NA-161

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209138

      This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. Read More »

    • TSB #20-NA-207

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

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

    • TSB #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 #PIT5386G

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208039

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #21NA113

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

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

    • TSB #PIT5466D

      Date Announced:
      SEP 09, 2021
      NHTSA ID:
      #10202391

      This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Read More »

    • TSB #PIT5743A

      Date Announced:
      AUG 16, 2021
      NHTSA ID:
      #10201313

      This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.  Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201177

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

    • TSB #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 #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10199256

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #21NA025

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10198865

      This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »

    • TSB #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 #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 #19NA153

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199241

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. 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 #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 #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 #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 #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187412

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. 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 #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 #20NA212

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184494

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA212

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183210

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA043

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183181

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

    • TSB #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 #20NA209

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183207

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #20NA203

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10183202

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

    • TSB #PIT5586E

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10182530

      This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) ... Read More »

    • TSB #18NA161

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181672

      This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. Read More »

    • TSB #20NA055

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181687

      This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, ... 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 #20NA176

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

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

    • TSB #PIE0554C

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10180700

      This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster. 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 #20NA055

      Date Announced:
      AUG 03, 2020
      NHTSA ID:
      #10180307

      This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, ... Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #PIE0562A

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179529

      This engineering information (EI) revision ends the need for information from the field regarding Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown. Read More »

    • TSB #20NA132

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178282

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

    • TSB #PIT5206G

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178323

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #20NA055

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178263

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

    • TSB #PIE0554B

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178294

      This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster. Read More »

    • TSB #PIE0568B

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176657

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »

    • TSB #070849020Q

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176649

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIP5729

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176315

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

    • TSB #PIE0568

      Date Announced:
      MAY 12, 2020
      NHTSA ID:
      #10176655

      This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »

    • TSB #PIE0568A

      Date Announced:
      MAY 12, 2020
      NHTSA ID:
      #10176656

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »

    • TSB #PIT5466C

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176308

      This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Read More »

    • TSB #20NA055

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176625

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

    • TSB #20NA055

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176627

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

    • TSB #20NA090

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

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

    • TSB #18NA180

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175746

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #PIT5195F

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174859

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #PIT5586D

      Date Announced:
      MAR 11, 2020
      NHTSA ID:
      #10173683

      This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) ... Read More »

    • TSB #PIE0554

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10173423

      This engineering information (EI) is requesting information from the field to perform the check list provided and contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes ... Read More »

    • TSB #DOR-D8C4T-03

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10172883

      This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »

    • TSB #DOR-E2P5T-03

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10172884

      This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »

    • TSB #19NA153

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169271

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #PIT5717

      Date Announced:
      OCT 28, 2019
      NHTSA ID:
      #10167465

      This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »

    • TSB #PIT5509E

      Date Announced:
      OCT 28, 2019
      NHTSA ID:
      #10167466

      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 #PIT5288H

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10167462

      This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »

    • TSB #PIT5365D

      Date Announced:
      OCT 15, 2019
      NHTSA ID:
      #10167439

      This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. Read More »

    • TSB #19NA228

      Date Announced:
      OCT 07, 2019
      NHTSA ID:
      #10168235

      This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »

    • TSB #PIP4670H

      Date Announced:
      SEP 25, 2019
      NHTSA ID:
      #10165904

      This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »

    • TSB #PI0592E

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165127

      This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961). Read More »

    • TSB #19NA109

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165098

      This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. Read More »

    • TSB #PIT5288G

      Date Announced:
      AUG 08, 2019
      NHTSA ID:
      #10164757

      This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »

    • TSB #PIE0511A

      Date Announced:
      JUL 17, 2019
      NHTSA ID:
      #10163905

      This engineering informational bulletin is requesting information clear the codes and perform the glow plug learn procedure. Read More »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

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

    • TSB #PIP4670G

      Date Announced:
      JUN 13, 2019
      NHTSA ID:
      #10162124

      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 #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #19NA109

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161956

      This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. Read More »

    • TSB #18NA217

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10161939

      This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern. Read More »

    • TSB #PIT5311E

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160665

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »

    • TSB #PIT5308D

      Date Announced:
      APR 11, 2019
      NHTSA ID:
      #10160659

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »

    • TSB #PIT5540A

      Date Announced:
      APR 08, 2019
      NHTSA ID:
      #10160642

      This Preliminary Information communication provides information to the technician about vehicles that have a low voltage reading on the volt gauge during the first several minutes after a cold start. Read More »

    • TSB #18NA144

      Date Announced:
      MAR 28, 2019
      NHTSA ID:
      #10158815

      This technical bulletin provides a procedure to locate possible chassis wiring damage from areas along the frame and repair them if found. Read More »

    • TSB #18NA037

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158811

      This Bulletin provides ECM reprogramming information to Correct DTC P2101. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

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

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 #PIT5386E

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156926

      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 #PIE0511

      Date Announced:
      FEB 27, 2019
      NHTSA ID:
      #10155096

      This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of Service Engine Soon (SES) Light On, DTCs P06C5, P06CC, P066A, P066C, P066E, P067A, P067C, P067E, P068C, P068E, ... Read More »

    • TSB #PIT5282E

      Date Announced:
      FEB 18, 2019
      NHTSA ID:
      #10154301

      This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »

    • TSB #PIT5287E

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154298

      This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »

    • TSB #PIT5391E

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154280

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »

    • TSB #PIT5326C

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154599

      This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Read More »

    • TSB #18366

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10207699

      Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Read More »

    • TSB #18366

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10207990

      Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Read More »

    • TSB #060847001N

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155011

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #PIT5359C

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147374

      This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, ... Read More »

    • TSB #PIP5491A

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147362

      This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »

    • TSB #PIT5386D

      Date Announced:
      AUG 20, 2018
      NHTSA ID:
      #10144462

      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 #PIT5232E

      Date Announced:
      JUN 26, 2018
      NHTSA ID:
      #10143456

      This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. Read More »

    • TSB #PIE0462

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137613

      This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed. Read More »

    ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS

    • TSB #17NA374

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212600

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

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

    • TSB #20NA132

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10205059

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

    • TSB #18NA161

      Date Announced:
      OCT 11, 2019
      NHTSA ID:
      #10168185

      This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. Read More »

    • TSB #030603004Y

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160132

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

    • TSB #18NA180

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158816

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #110849001Z

      Date Announced:
      MAR 11, 2019
      NHTSA ID:
      #10158865

      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 #110849001Y

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10155072

      This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off. 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 #PIT5311F

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10178359

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »

    • TSB #PIE0499B

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158873

      This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made. Read More »

    • TSB #100089005H

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10154629

      This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »

    ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

    • TSB #PIT5311F

      Date Announced:
      JUN 29, 2020
      NHTSA ID:
      #10178359

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »

    • TSB #N192275630-03

      Date Announced:
      MAR 28, 2020
      NHTSA ID:
      #10173960

      Customer Satisfaction Program - Certain vehicles may have a condition in which the electronic brake controlmodule is less likely to activate the optional integrated brake assist. Normal braking capability functions as intended. Read More »

    ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

    • TSB #070842006Q

      Date Announced:
      NOV 01, 2021
      NHTSA ID:
      #10205739

      This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187412

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185724

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • 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 #20NA181

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181707

      This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint. Read More »

    • TSB #PIC6365A

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10162159

       This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.  Read More »

    • TSB #PIP5369C

      Date Announced:
      APR 09, 2019
      NHTSA ID:
      #10160646

      This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Read More »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #17NA276

      Date Announced:
      FEB 21, 2019
      NHTSA ID:
      #10154536

      This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal ... Read More »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

    • TSB #PIT5698B

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201251

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

    • TSB #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:PROPULSION SYSTEM

    • TSB #N212346580-01

      Date Announced:
      MAR 16, 2022
      NHTSA ID:
      #10209106

      Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. 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 #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 #18NA001

      Date Announced:
      JAN 24, 2019
      NHTSA ID:
      #10155056

      This informational bulletin explains normal operation of HID bulbs when driving over road irregularities. Read More »

    • TSB #010842001L

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10155009

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    LIGHTING (PWS)

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #PIT5412D

      Date Announced:
      MAY 13, 2019
      NHTSA ID:
      #10161005

      This Preliminary Information communication provides information to the technician about vehicles that have either the truck or the snowplow's headlights are flickering or inoperative. Read More »

    VISIBILITY

    • TSB #PIT5717A

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10193474

      This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »

    • TSB #PIT5717

      Date Announced:
      OCT 28, 2019
      NHTSA ID:
      #10167465

      This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »

    • TSB #PIT5288G

      Date Announced:
      AUG 08, 2019
      NHTSA ID:
      #10164757

      This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »

    • TSB #18NA360

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154991

      This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • 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 #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #DOR-D8C4T-03

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10172883

      This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »

    • TSB #DOR-E2P5T-03

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10172884

      This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #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:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #PI1255G

      Date Announced:
      MAY 02, 2019
      NHTSA ID:
      #10161970

      This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #21-NA-097

      Date Announced:
      JUN 14, 2022
      NHTSA ID:
      #10214859

      This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »

    • TSB #PIT5272B

      Date Announced:
      NOV 13, 2018
      NHTSA ID:
      #10151830

      This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Read More »

    AIR BAGS

    • 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 #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 »

    STRUCTURE

    • 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 #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 #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 #19NA255

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191197

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #20NA175

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186082

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #20NA175

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181703

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIT5466C

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176308

      This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Read More »

    • TSB #18NA383

      Date Announced:
      FEB 17, 2020
      NHTSA ID:
      #10173388

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #18NA239

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10173386

      This technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the shaft laying on the metal support at the bottom of the column. Read More »

    • TSB #19NA255

      Date Announced:
      NOV 19, 2019
      NHTSA ID:
      #10169340

      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 #PIT5576C

      Date Announced:
      SEP 26, 2019
      NHTSA ID:
      #10165905

      This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Read More »

    • TSB #120851002J

      Date Announced:
      MAY 31, 2019
      NHTSA ID:
      #10161969

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18NA144

      Date Announced:
      MAR 28, 2019
      NHTSA ID:
      #10158815

      This technical bulletin provides a procedure to locate possible chassis wiring damage from areas along the frame and repair them if found. Read More »

    • TSB #N192211090

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10159559

      N192211090 - Customer Satisfaction Program. Certain vehicles equipped with Body Color Grille (RPO TC7) and Cold Weather Provision Options (RPO V10), may have a condition in which customers are unable to install the winter grille cover ... Read More »

    • TSB #PI0564K

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10154649

      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 #PIT4250J

      Date Announced:
      NOV 26, 2018
      NHTSA ID:
      #10151877

      This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Read More »

    • TSB #PIT5272B

      Date Announced:
      NOV 13, 2018
      NHTSA ID:
      #10151830

      This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Read More »

    • TSB #PIP5491A

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147362

      This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »

    • TSB #PIT5576B

      Date Announced:
      SEP 14, 2018
      NHTSA ID:
      #10145483

      This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #20NA175

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183193

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    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 #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 #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

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

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

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

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT3227P

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154601

      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 #PIT5570B

      Date Announced:
      NOV 26, 2018
      NHTSA ID:
      #10151874

      This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed. Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE

    • TSB #PIT5308D

      Date Announced:
      APR 11, 2019
      NHTSA ID:
      #10160659

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »

    LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

    • TSB #20NA040

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172813

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    VEHICLE SPEED CONTROL:CRUISE CONTROL

    • TSB #18NA217

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10161939

      This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern. Read More »

    TIRES

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198858

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186080

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187394

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #20NA159

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180317

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #050310020G

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10174300

      This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #000310006N

      Date Announced:
      MAY 09, 2019
      NHTSA ID:
      #10161906

      This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #010310003R

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10155068

      This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »

    • TSB #PI1354I

      Date Announced:
      FEB 07, 2019
      NHTSA ID:
      #10154650

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #000310003X

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155008

      This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #PIT5506B

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141369

      This Preliminary Information communication advises the technician this vibration or growl noise can be difficult to diagnose and using the Pico Scope is recommended for diagnosing this concern. Read More »

    TIRES:SIDEWALL

    • 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:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #000090002L

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213757

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #PIT4506E

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176313

      This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »

    WHEELS

    • TSB #20-NA-159

      Date Announced:
      JUN 06, 2022
      NHTSA ID:
      #10214501

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #21-NA-043

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

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

    • TSB #20-NA-159

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212910

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #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 #RFI20210526_939-

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10195333

      The complete Communication ID is: RFI20210526_939-187 and was communicated to customers on May 26, 2021. The Communication ID field did not permit me to enter the complete Communication ID as it is in our internal system. Read More »

    • TSB #100310001F

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10191231

      This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #100310001E

      Date Announced:
      AUG 29, 2019
      NHTSA ID:
      #10165125

      This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »

    • TSB #PI1354I

      Date Announced:
      FEB 07, 2019
      NHTSA ID:
      #10154650

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #PIT4745E

      Date Announced:
      JUL 31, 2018
      NHTSA ID:
      #10143789

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    WHEELS:LUGS/NUTS/BOLTS

    • TSB #22-NA-090

      Date Announced:
      MAY 04, 2022
      NHTSA ID:
      #10211936

      This informational bulletin provides the way to correctly tighten lug nuts to reduce the chances of damaging the cap covers. Read More »

    TRAILER HITCHES

    • TSB #17-NA-350

      Date Announced:
      MAY 27, 2022
      NHTSA ID:
      #10213258

      This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »

    • TSB #PIE0562

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10174448

      This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses ... Read More »

    • TSB #PIT5282F

      Date Announced:
      DEC 19, 2019
      NHTSA ID:
      #10170483

      This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »

    • TSB #17NA350

      Date Announced:
      JUL 08, 2019
      NHTSA ID:
      #10163886

      This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »

    • TSB #PIT5282E

      Date Announced:
      FEB 18, 2019
      NHTSA ID:
      #10154301

      This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »

    • TSB #PIT5241F

      Date Announced:
      SEP 10, 2018
      NHTSA ID:
      #10145469

      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 »

    TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

    • TSB #PIT5432B

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141368

      This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Read More »

    SEATS

    • TSB #18NA377

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160120

      This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving. Read More »

    • TSB #18NA377

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10155003

      This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving. Read More »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »

    • TSB #PIT5624

      Date Announced:
      JUL 23, 2018
      NHTSA ID:
      #10143777

      This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control Module. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • 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 #PIT4322K

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174818

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    LANE DEPARTURE

    • TSB #PIE0554

      Date Announced:
      MAR 10, 2020
      NHTSA ID:
      #10174440

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, ... Read More »

    • TSB #PIE0554A

      Date Announced:
      MAR 05, 2020
      NHTSA ID:
      #10174441

      This engineering information (EI) is requesting information from the technicians for issues regarding Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio. Read More »

    • TSB #PIT5535E

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10167460

      This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »

    • TSB #PIT5535D

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10163657

      This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »

    LANE DEPARTURE: SENSING SYSTEM: CAMERA

    • TSB #18NA360

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154991

      This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range. Read More »

    BACK OVER PREVENTION

    • TSB #070601016G

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213761

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

    • TSB #PIT5386G

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208039

      This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »

    • TSB #20NA197

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

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

    • TSB #PIT5544D

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

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

    • TSB #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 #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 #150601002I

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10174306

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »

    • TSB #PIT5552D

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10173626

      This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: -  Yellow -  Blurry -  Distorted -  Image scrolling -  Image with NO gridlines -  Screen is blue with ... Read More »

    • TSB #PIT5386E

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156926

      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 #18366

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10207990

      Service Update. Certain vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Read More »

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #PIT5552C

      Date Announced:
      FEB 25, 2019
      NHTSA ID:
      #10154322

      This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: -  Yellow -  Blurry -  Distorted -  Image scrolling -  Image with NO gridlines -  Screen is blue with ... Read More »

    COMMUNICATION: VEHICLE TO INFRASTRUCTURE

    • TSB #21NA135

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10200137

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

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #PIP4902P

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208034

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

    EQUIPMENT

    • TSB #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 #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 #PIT5746B

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210319

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #PI0653F

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213768

      This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »

    • TSB #20NA043

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10214197

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

    • TSB #20NA203

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

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

    • TSB #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 #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 #PIT3099U

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10201310

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #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 #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 #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 #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:
      #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 #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 #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 #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 #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 #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 #PIT5717A

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10193474

      This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »

    • TSB #21NA103

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194114

      This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »

    • TSB #18NA073

      Date Announced:
      APR 13, 2021
      NHTSA ID:
      #10194081

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

    • TSB #18NA146

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194082

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #020089002T

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195127

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #070089036J

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195149

      This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »

    • TSB #18NA099

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191191

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #18NA306

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191192

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #110089005Q

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191233

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #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 #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 #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 #20NA110

      Date Announced:
      JAN 11, 2021
      NHTSA ID:
      #10187757

      This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »

    • TSB #20NA203

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

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

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186085

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187412

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. 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 #150601002K

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186107

      This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »

    • TSB #150601002K

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187628

      This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. 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 #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 #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 #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 #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

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

    • TSB #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

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

    • TSB #20NA197

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184492

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

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #18NA098

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

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

    • TSB #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 #20NA213

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

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

    • TSB #16NA244

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183127

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

    • TSB #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 #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 #19NA237

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

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

    • TSB #20NA043

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183181

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

    • TSB #17NA393

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183151

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #20NA209

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183207

      This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #16NA372

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

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

    • TSB #17NA374

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

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

    • TSB #20NA142

      Date Announced:
      OCT 15, 2020
      NHTSA ID:
      #10183190

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

    • TSB #20NA203

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10183202

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

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #20NA197

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181720

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

    • TSB #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 #18NA253

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181674

      This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers. Read More »

    • TSB #20NA142

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181693

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

    • TSB #990089019U

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180697

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #19NA277

      Date Announced:
      JUL 21, 2020
      NHTSA ID:
      #10178960

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #990089019T

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10178293

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIT5206G

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178323

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #PIT5564C

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178324

      This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.  Read More »

    • TSB #20NA055

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178263

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

    • TSB #PIE0568C

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178297

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the conditions that are listed in this PIE. Read More »

    • TSB #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #N192264210-02

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176823

      Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #19NA277

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176619

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #030089006R

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176644

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #18NA180

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175746

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #020089002S

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174299

      This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

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

    • TSB #040601029J

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

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

    • TSB #20NA043

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

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

    • TSB #20NA006

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

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

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #18NA073

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

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

    • TSB #N192264210

      Date Announced:
      JAN 30, 2020
      NHTSA ID:
      #10171432

      Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable functionwas disabled. Read More »

    • TSB #110089002D

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172294

      This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #PI0689D

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10172296

      This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box. Read More »

    • TSB #20NA016

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10172285

      This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #PI0592F

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170498

      This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »

    • TSB #PIE0548

      Date Announced:
      NOV 18, 2019
      NHTSA ID:
      #10169368

      This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in a repair. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #120851002K

      Date Announced:
      OCT 30, 2019
      NHTSA ID:
      #10168210

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #N192264210 Messa

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10207726

      Customer Satisfaction Program. Stock VIN List sent. Read More »

    • TSB #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18NA146

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165087

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #130089008B

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165126

      This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »

    • TSB #990089019R

      Date Announced:
      JUL 26, 2019
      NHTSA ID:
      #10163900

      This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »

    • TSB #DORD8R3N09

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10165334

      This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. Read More »

    • TSB #16NA376

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

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

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #16NA222

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163193

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

    • TSB #090604026Q

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163266

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

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

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

    • TSB #120851002J

      Date Announced:
      MAY 31, 2019
      NHTSA ID:
      #10161969

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #16NA119

      Date Announced:
      MAY 08, 2019
      NHTSA ID:
      #10161929

      This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #080089014E

      Date Announced:
      MAY 02, 2019
      NHTSA ID:
      #10161907

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #PIT5564B

      Date Announced:
      APR 12, 2019
      NHTSA ID:
      #10160663

      This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.  Read More »

    • TSB #DORS3C7D09

      Date Announced:
      APR 09, 2019
      NHTSA ID:
      #10165330

      This SKU is a Pitman Arm. The customer communication requested return of unsold inventory to inspect for incorrect taper of the spline. Read More »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    • TSB #1008110001H

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160135

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #PIP5541A

      Date Announced:
      MAR 27, 2019
      NHTSA ID:
      #10156952

      This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #PIE0500A

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158874

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

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

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 #060605001H

      Date Announced:
      MAR 05, 2019
      NHTSA ID:
      #10158860

      This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »

    • TSB #150601002H

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158866

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »

    • TSB #120089002C

      Date Announced:
      FEB 26, 2019
      NHTSA ID:
      #10155073

      This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer. Read More »

    • TSB #17NA073

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154641

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #060089026O

      Date Announced:
      DEC 21, 2018
      NHTSA ID:
      #10155010

      This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND). Read More »

    • TSB #18NA361

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10154992

      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 #PIT5570B

      Date Announced:
      NOV 26, 2018
      NHTSA ID:
      #10151874

      This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed. Read More »

    • TSB #18NA099

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155101

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIE0475A

      Date Announced:
      NOV 01, 2018
      NHTSA ID:
      #10155080

      This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty. Read More »

    • TSB #PIT5637

      Date Announced:
      OCT 19, 2018
      NHTSA ID:
      #10147391

      This Preliminary information communicates normal radio display operation when shifting into reverse. Per FMVSS 111 an image must be displayed when shifted into reverse even when a vehicle is not equipped with a backup camera. Read More »

    • TSB #PIT5298C

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147377

      This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #PIT5586B

      Date Announced:
      AUG 27, 2018
      NHTSA ID:
      #10144472

      This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not ... Read More »

    • TSB #PIT5232E

      Date Announced:
      JUN 26, 2018
      NHTSA ID:
      #10143456

      This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. Read More »

    • TSB #PIT5432B

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141368

      This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #12-00-89-003B

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

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

    • TSB #21NA068

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10194101

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #PIT5564C

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178324

      This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.  Read More »

    • TSB #PIT5511D

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10174864

      This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »

    • TSB #100089005I

      Date Announced:
      MAR 31, 2020
      NHTSA ID:
      #10174304

      This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »

    • TSB #PIE0554

      Date Announced:
      MAR 10, 2020
      NHTSA ID:
      #10174440

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, ... Read More »

    • TSB #17NA276

      Date Announced:
      AUG 20, 2019
      NHTSA ID:
      #10165084

      This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal ... Read More »

    • TSB #PIT5586C

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10162150

      This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) ... Read More »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIT5511C

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10156936

      This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »

    • TSB #PIT5553B

      Date Announced:
      FEB 25, 2019
      NHTSA ID:
      #10154318

      This Preliminary information communicates Operational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster. Read More »

    • TSB #030603004X

      Date Announced:
      JAN 24, 2019
      NHTSA ID:
      #10154626

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

    • TSB #17NA330

      Date Announced:
      DEC 04, 2018
      NHTSA ID:
      #10154978

      This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work. Read More »

    • TSB #PIT5386D

      Date Announced:
      AUG 20, 2018
      NHTSA ID:
      #10144462

      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 #PIE0462

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137613

      This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIT5545C

      Date Announced:
      FEB 20, 2019
      NHTSA ID:
      #10154310

      This Preliminary information communicates Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIT5359C

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147374

      This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, ... Read More »

    • TSB #PIT5387F

      Date Announced:
      JUL 18, 2018
      NHTSA ID:
      #10143767

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    EQUIPMENT:ELECTRICAL: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:ENGINE BLOCK HEATER

    • TSB #N212346580-01

      Date Announced:
      MAR 16, 2022
      NHTSA ID:
      #10209106

      Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Read More »

    EQUIPMENT:MECHANICAL

    • TSB #16-NA-372

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

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

    • TSB #20NA175

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183193

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #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 #22-NA-090

      Date Announced:
      MAY 04, 2022
      NHTSA ID:
      #10211936

      This informational bulletin provides the way to correctly tighten lug nuts to reduce the chances of damaging the cap covers. 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 #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 #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 #N192264210

      Date Announced:
      JUL 01, 2021
      NHTSA ID:
      #10200195

      Customer Satisfaction Program Closed Message sent. 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 #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #18NA099

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180299

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIE0560A

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175858

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC). Read More »

    • TSB #PIE0560

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174446

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a Service 4WD message being visible the driver information center (DIC). Read More »

    • TSB #060089029P

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174302

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #070089037O

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174303

      This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #20NA050

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174073

      This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »

    • TSB #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #19NA232

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168238

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #PIT4529E

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10164754

      This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options. Read More »

    • TSB #19NA153

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10164123

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #PIP5629A

      Date Announced:
      JUN 03, 2019
      NHTSA ID:
      #10162105

      This Preliminary information communicates to the dealer technicians to refer to service bulletin 19-NA-109. Read More »

    • TSB #110089005N

      Date Announced:
      MAR 26, 2019
      NHTSA ID:
      #10158864

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #030089006Q

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158855

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #040089053G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158857

      This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIE0500A

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158874

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 #110849001Z

      Date Announced:
      MAR 11, 2019
      NHTSA ID:
      #10158865

      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 #PIE0499B

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158873

      This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made. Read More »

    • TSB #PIE0511

      Date Announced:
      FEB 27, 2019
      NHTSA ID:
      #10155096

      This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of Service Engine Soon (SES) Light On, DTCs P06C5, P06CC, P066A, P066C, P066E, P067A, P067C, P067E, P068C, P068E, ... Read More »

    • TSB #010089010M

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154625

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #080089014D

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154628

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #120851002I

      Date Announced:
      JAN 22, 2019
      NHTSA ID:
      #10154630

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #040089015T

      Date Announced:
      JAN 14, 2019
      NHTSA ID:
      #10154627

      This warranty administration bulletin provides policy information on required operating procedures. Read More »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • 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 #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #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 #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 #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186085

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187412

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #150601002K

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186107

      This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. 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 #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 #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

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

    • TSB #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

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

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #20NA213

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

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

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

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

    • TSB #17NA393

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183151

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #17NA374

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

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

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #PIT5206G

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178323

      This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »

    • TSB #19NA277

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176619

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

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

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

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

    • TSB #040601029J

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

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

    • TSB #20NA040

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172813

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #20NA043

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

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

    • TSB #20NA006

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

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

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #20NA006

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

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

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »

    • TSB #19NA255

      Date Announced:
      NOV 19, 2019
      NHTSA ID:
      #10169340

      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 #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

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

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

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

    • TSB #19NA136

      Date Announced:
      JUN 19, 2019
      NHTSA ID:
      #10163252

      This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern. Read More »

    • TSB #DORS3C7D09

      Date Announced:
      APR 09, 2019
      NHTSA ID:
      #10165330

      This SKU is a Pitman Arm. The customer communication requested return of unsold inventory to inspect for incorrect taper of the spline. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #PIE0500A

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158874

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

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

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 #PIP5629

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156930

      This Preliminary information communicates to the dealer technicians that the oil life monitoring system for 2019 Duramax 6.6 L5P is under investigation by engineering.  Read More »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      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 #150601002H

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158866

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »

    • TSB #18NA361

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10154992

      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 #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »

    • TSB #PIT5586B

      Date Announced:
      AUG 27, 2018
      NHTSA ID:
      #10144472

      This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not ... Read More »

    • TSB #PIE0462

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137613

      This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed. 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 #PIT5387F

      Date Announced:
      JUL 18, 2018
      NHTSA ID:
      #10143767

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER

    • TSB #21NA097

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10194110

      This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185724

      This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #PIT5790C

      Date Announced:
      SEP 21, 2021
      NHTSA ID:
      #10202398

      This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating. 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 #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 #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 »