Technical Service Bulletins (TSBs) for the 2018 Silverado 1500 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 #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 #PIT5593B

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176334

      This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Read More »

    • TSB #20NA113

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176642

      This technical bulletin provides repair information to correct a customer concern of Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs. 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 #PIT5481E

      Date Announced:
      SEP 04, 2019
      NHTSA ID:
      #10165865

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. 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 #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 #N182190820

      Date Announced:
      JAN 07, 2019
      NHTSA ID:
      #10154258

      N182190820 - Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Read More »

    • TSB #PIT5565B

      Date Announced:
      DEC 28, 2018
      NHTSA ID:
      #10154617

      This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers footwell area when turning. Read More »

    • TSB #PIP5570A

      Date Announced:
      NOV 19, 2018
      NHTSA ID:
      #10151863

      This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. Read More »

    • TSB #PIT5565A

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143434

      This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers foot well area when turning. Read More »

    • TSB #PIP5570

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141370

      This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. Read More »

    • TSB #PIT5593A

      Date Announced:
      APR 23, 2018
      NHTSA ID:
      #10137514

      This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Read More »

    • TSB #130232001E

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139182

      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 #PIT5593

      Date Announced:
      NOV 07, 2017
      NHTSA ID:
      #10125100

      This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Read More »

    • TSB #17NA345

      Date Announced:
      NOV 03, 2017
      NHTSA ID:
      #10139117

      This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality. Read More »

    • TSB #PI0671A

      Date Announced:
      MAR 17, 2017
      NHTSA ID:
      #10138087

      This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir. Read More »

    • TSB #16-NA-109

      Date Announced:
      MAR 13, 2017
      NHTSA ID:
      #10138025

      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 »

    SUSPENSION

    • TSB #PIT5403H

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

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

    • TSB #PIT5214E

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197286

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

    • TSB #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 #PIT5533C

      Date Announced:
      JUL 24, 2020
      NHTSA ID:
      #10178382

      This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »

    • TSB #PIT5403F

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

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

    • TSB #PIT5307G

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172325

      This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... 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 »

    • TSB #PIT5049E

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161036

      This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. Read More »

    • TSB #PIT5214D

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154605

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

    • TSB #PIT5403E

      Date Announced:
      SEP 14, 2018
      NHTSA ID:
      #10145486

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

    • TSB #PIT5533B

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143430

      This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »

    • TSB #99-04-20-002J

      Date Announced:
      MAR 29, 2017
      NHTSA ID:
      #10138086

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. 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 #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 #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered 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 »

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »

    BRAKES (PWS)

    • TSB #PIT5681B

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

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

    • TSB #PIT3665J

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

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

    • TSB #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 #PIT5681A

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176327

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

    • TSB #PIT5307G

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172325

      This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »

    • TSB #PIT5479C

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

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

    • 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 #PIT5681

      Date Announced:
      MAY 09, 2019
      NHTSA ID:
      #10160996

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

    • TSB #PIT5392C

      Date Announced:
      OCT 19, 2018
      NHTSA ID:
      #10147392

      This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. Read More »

    • TSB #PIT5361D

      Date Announced:
      SEP 13, 2018
      NHTSA ID:
      #10145479

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #N182206730

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165440

      N182206730 - Customer Satisfaction Program. Certain vehicles equipped with special service package (RPO 5W4) and certain 2015 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may ... Read More »

    • TSB #PIT5377G

      Date Announced:
      APR 18, 2019
      NHTSA ID:
      #10160676

      This Preliminary Information communication provides information to the technician on the step needed to diagnose and repair vehicles that may have uneven brake pad wear. Technician will need to inspect and measure the brake pads thickness. Read More »

    SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #N182202780-02

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10183213

      Special Coverage Adjustment - In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may ... Read More »

    SERVICE BRAKES, ELECTRIC

    • TSB #PIT5490B

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10173713

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set. Read More »

    • TSB #PIT5509F

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

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

    SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

    • TSB #N182206730

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165440

      N182206730 - Customer Satisfaction Program. Certain vehicles equipped with special service package (RPO 5W4) and certain 2015 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may ... 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:CONTROLS:FOOT CONTROL/VALVE

    • TSB #N182202780 01

      Date Announced:
      OCT 11, 2019
      NHTSA ID:
      #10167479

      N182202780 01 - Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. 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 »

    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #PIT3271J

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168960

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. 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 #PIT5507E

      Date Announced:
      MAY 24, 2018
      NHTSA ID:
      #10141372

      This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. Read More »

    ENGINE (PWS)

    • TSB #PIP5811

      Date Announced:
      JUL 15, 2021
      NHTSA ID:
      #10201183

      This Preliminary information communicates to dealers an issue on remanufactured engines with part numbers 19368174  and 19368176 where the incorrect crankshaft timing gear was installed. 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 #PIT5586F

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184096

      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 #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 #N182202780-02

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10183213

      Special Coverage Adjustment - In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may ... Read More »

    • TSB #20NA185

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181711

      This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern. 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 #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIP5684B

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

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

    • TSB #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 #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 #PIP5628B

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176326

      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 #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 #18NA355

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10174266

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. 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 #19NA219

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173398

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

    • TSB #040601029J

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

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

    • TSB #20NA038

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

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

    • TSB #20NA043

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

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

    • TSB #N192273630-01

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10172657

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine 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 #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 #18NA137

      Date Announced:
      NOV 15, 2019
      NHTSA ID:
      #10169309

      This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »

    • TSB #PIP5540E

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10167437

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIT5404E

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160687

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »

    • TSB #PIP5569A

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160690

      This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »

    • TSB #PIP5423B (1)

      Date Announced:
      APR 10, 2019
      NHTSA ID:
      #10160648

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »

    • TSB #PIP5423A

      Date Announced:
      APR 08, 2019
      NHTSA ID:
      #10160640

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »

    • TSB #PIP4670F

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160633

      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 #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 #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 #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 #PIP5570A

      Date Announced:
      NOV 19, 2018
      NHTSA ID:
      #10151863

      This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. 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 #PIP5609

      Date Announced:
      NOV 02, 2018
      NHTSA ID:
      #10151817

      This Preliminary information communicates to the dealer an issue where the vehicle's service engine soon light may illuminate due to trouble codes P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B . Read More »

    • TSB #PIP5121C

      Date Announced:
      JUN 27, 2018
      NHTSA ID:
      #10143459

      This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6. Read More »

    • TSB #PIP5121B

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137209

      This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (L83), 5.3L (L86), 6. Read More »

    • TSB #PIP5554

      Date Announced:
      FEB 07, 2018
      NHTSA ID:
      #10129868

      This Preliminary information communicatesP0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle. Read More »

    • TSB #PIP5434B

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10126970

      This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended. Read More »

    • TSB #PIT5202D

      Date Announced:
      NOV 13, 2017
      NHTSA ID:
      #10125113

      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 #PIP5531

      Date Announced:
      NOV 03, 2017
      NHTSA ID:
      #10125098

      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 »

    ENGINE AND ENGINE COOLING

    • 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 #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 #PIP5212C

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

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

    • TSB #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 #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 #010601011L

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

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

    • TSB #PIT5479D

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

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

    • TSB #PIT5479D

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

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

    • TSB #17NA166

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

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

    • TSB #17NA166

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

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

    • TSB #090604026S

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

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

    • TSB #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 #PIP5628C

      Date Announced:
      OCT 08, 2020
      NHTSA ID:
      #10182545

      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 #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 #PIP5498M

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

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

    • TSB #PIP4912G

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

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

    • TSB #PIP5175D

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178309

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

    • TSB #PIP5504D

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176302

      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 #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

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

    • TSB #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 #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      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 #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 #PIP5540F

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171280

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIP5130K

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10171265

      This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »

    • TSB #PIP5330D

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168975

      This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »

    • TSB #PIP5335D

      Date Announced:
      NOV 07, 2019
      NHTSA ID:
      #10168958

      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 #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 #N182202780 01

      Date Announced:
      OCT 11, 2019
      NHTSA ID:
      #10167479

      N182202780 01 - Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. 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 #PIP5407A

      Date Announced:
      AUG 29, 2019
      NHTSA ID:
      #10164789

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. 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 #PIP5540D

      Date Announced:
      FEB 19, 2019
      NHTSA ID:
      #10154306

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIP5628

      Date Announced:
      FEB 18, 2019
      NHTSA ID:
      #10154299

      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 #PIP5554A

      Date Announced:
      FEB 07, 2019
      NHTSA ID:
      #10154276

      This Preliminary information communicates P0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle. 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 #PIE0478A

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10155061

      This engineering informational bulletin is requesting information for a picture of debris on the bore of a throttle body. Read More »

    • TSB #19NA011

      Date Announced:
      JAN 29, 2019
      NHTSA ID:
      #10154619

      This technical bulletin provides a procedure to program the ECM if found to be the cause of the customers concern. 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 #PIP5503A

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10154577

      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 »

    • TSB #PIP5540B

      Date Announced:
      DEC 06, 2018
      NHTSA ID:
      #10154566

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

    • TSB #PIP5498K

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143438

      This Preliminary information communicates. A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. Read More »

    • TSB #PIP5498J

      Date Announced:
      JUN 06, 2018
      NHTSA ID:
      #10143424

      This Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. Read More »

    • TSB #PIP5498H

      Date Announced:
      MAY 18, 2018
      NHTSA ID:
      #10141365

      This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. Read More »

    • TSB #PIP5498G

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137197

      This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »

    • TSB #17NA110

      Date Announced:
      FEB 02, 2018
      NHTSA ID:
      #10137369

      This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low ... Read More »

    • TSB #PIP5498F

      Date Announced:
      JAN 24, 2018
      NHTSA ID:
      #10129091

      This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »

    • TSB #PIP5522B

      Date Announced:
      DEC 19, 2017
      NHTSA ID:
      #10126984

      This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm. Read More »

    • TSB #150601002F

      Date Announced:
      DEC 12, 2017
      NHTSA ID:
      #10139184

      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 #PIP5498E

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10126956

      This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. Read More »

    • TSB #PIP5522A

      Date Announced:
      SEP 27, 2017
      NHTSA ID:
      #10157039

      This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm. 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:DIESEL

    • TSB #N212338290

      Date Announced:
      JUL 20, 2021
      NHTSA ID:
      #10200199

      Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. 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 #N192273631

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172660

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. Read More »

    • TSB #16NA372

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10159585

      This informational 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 conditions. Read More »

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

    • TSB #17NA166

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178253

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • 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:PRESSURE/TEMPERATURE SENSOR

    • TSB #PIP5540G

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190417

      This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »

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

    • TSB #PIP5813

      Date Announced:
      JUL 09, 2021
      NHTSA ID:
      #10201180

      This Preliminary information communicates A vehicle may have a need for  Camshaft replacement or have misfires on non AFM cylinders after the camshaft was replaced. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIP5684B

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

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

    ENGINE AND ENGINE COOLING:COOLING SYSTEM: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:PUMP

    • TSB #18NA103

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

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

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #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 #17NA374

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139140

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

    • TSB #PIP5572B

      Date Announced:
      DEC 04, 2018
      NHTSA ID:
      #10154559

      This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model ... Read More »

    • TSB #PIP5565B

      Date Announced:
      DEC 04, 2018
      NHTSA ID:
      #10154561

      This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model ... Read More »

    • TSB #PIP4925B

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154552

      This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools. Read More »

    • TSB #16NA377

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159588

      This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. 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: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 »

    FUEL SYSTEM, GASOLINE

    • 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 #17NA204

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194080

      This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft. Read More »

    • TSB #PIP5163E

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190437

      This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... 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 #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 #PIT5161H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184142

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #18NA103

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

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

    • TSB #18NA361

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

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

    • TSB #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 #PIP5725

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176310

      This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. 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 #18NA137

      Date Announced:
      NOV 15, 2019
      NHTSA ID:
      #10169309

      This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »

    • TSB #PIT5161G

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10167458

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #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 #PIP5286B

      Date Announced:
      JUN 17, 2019
      NHTSA ID:
      #10162136

      This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. Read More »

    • TSB #PIP5569A

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160690

      This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »

    • TSB #PIE0499

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10155064

      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 #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 #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 #17NA204

      Date Announced:
      JAN 26, 2018
      NHTSA ID:
      #10137268

      This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft. Read More »

    • TSB #17NA302

      Date Announced:
      SEP 27, 2017
      NHTSA ID:
      #10159618

      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 »

    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, DIESEL

    • TSB #N212338290

      Date Announced:
      JUL 20, 2021
      NHTSA ID:
      #10200199

      Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. 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 #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 #20NA038

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

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

    • TSB #N192273631

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172660

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. Read More »

    • TSB #N192273630-01

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10172657

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. Read More »

    • TSB #19NA237

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

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

    • TSB #050604022Q

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

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

    • 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 #17NA110

      Date Announced:
      FEB 02, 2018
      NHTSA ID:
      #10137369

      This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low ... Read More »

    • TSB #PIP5434B

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10126970

      This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended. Read More »

    • TSB #16NA372

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10159585

      This informational 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 conditions. Read More »

    • TSB #030604017L

      Date Announced:
      SEP 05, 2017
      NHTSA ID:
      #10159571

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

    FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

    • 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 #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 #20NA185

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181711

      This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern. Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #17NA204

      Date Announced:
      JAN 26, 2018
      NHTSA ID:
      #10137268

      This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft. Read More »

    FUEL SYSTEM, OTHER:KINETIC:CLUTCH

    • TSB #18NA285

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

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

    POWER TRAIN

    • TSB #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 #PIP5621B

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10197314

      This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #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 #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 #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 #PIT5593B

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176334

      This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Read More »

    • TSB #PIP5429A

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176309

      This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »

    • TSB #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 #18NA355

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10174266

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. Read More »

    • TSB #PIP5700B

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173674

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #PIP5504C

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171290

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

    • TSB #PIP5700A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171294

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #N192265660

      Date Announced:
      JAN 07, 2020
      NHTSA ID:
      #10171416

      Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. 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 #PIP5621A

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168978

      This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »

    • TSB #16NA019

      Date Announced:
      NOV 13, 2019
      NHTSA ID:
      #10169298

      Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. 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 #PIE0529A

      Date Announced:
      OCT 24, 2019
      NHTSA ID:
      #10168218

      This engineering information bulletin ends the need for information from the field on an Intermittent No Forward and/or No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis. 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 #18NA355

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163890

      This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. 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 #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 #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 #PIP5576

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145501

      This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits. Read More »

    • TSB #PIP5537A

      Date Announced:
      DEC 20, 2017
      NHTSA ID:
      #10126991

      This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod. Read More »

    • TSB #PIP5537

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10126971

      This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod. Read More »

    • TSB #080730026E

      Date Announced:
      DEC 12, 2017
      NHTSA ID:
      #10139179

      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 »

    • TSB #PIT5202D

      Date Announced:
      NOV 13, 2017
      NHTSA ID:
      #10125113

      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 #17NA351

      Date Announced:
      NOV 08, 2017
      NHTSA ID:
      #10139123

      This informational bulletin provides information for the technicians to refer to SI for additional diagnostics to correct anomaly in the ECM and TCM. Read More »

    • TSB #PIP5531

      Date Announced:
      NOV 03, 2017
      NHTSA ID:
      #10125098

      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 #PIE0405A

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10159630

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »

    • TSB #17-NA-066

      Date Announced:
      MAR 09, 2017
      NHTSA ID:
      #10138053

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

    HYBRID PROPULSION SYSTEM

    • TSB #PIT5513J

      Date Announced:
      FEB 22, 2019
      NHTSA ID:
      #10154316

      This Preliminary Information communication advises the technician that the Technical Assistance Center   TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage ... 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 #PIP5576

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145501

      This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits. Read More »

    • TSB #17426

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191103

      Condition Certain 2018 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with the manual shift transfer case (RPO NQG), may have a condition in which the transfer case shift linkage rod bolt torque is less than specified. 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 #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 #PIP5700

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171279

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #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 »

    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 »

    • TSB #17419

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191076

      Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6. 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:TORQUE CONVERTER

    • 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 »

    POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS

    • TSB #PIP5175D

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178309

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

    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 #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 #PIT5387K

      Date Announced:
      AUG 24, 2021
      NHTSA ID:
      #10201326

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

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

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

    • TSB #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 #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201176

      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 #21NA158

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10200150

      This service bulletin provides information on High Voltage Battery Module Replacement. 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 #PIT5745B

      Date Announced:
      MAR 25, 2021
      NHTSA ID:
      #10190426

      This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »

    • TSB #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 #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 #PIT5586F

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184096

      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 #PIT5387H

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10182573

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

    • TSB #20NA043

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

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

    • TSB #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 #20NA207

      Date Announced:
      OCT 06, 2020
      NHTSA ID:
      #10183206

      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 #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 #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 #PIP5632C

      Date Announced:
      AUG 03, 2020
      NHTSA ID:
      #10179620

      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 #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 #PIC5650H

      Date Announced:
      JUL 24, 2020
      NHTSA ID:
      #10178384

      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 #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. 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 #20NA132

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

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

    • TSB #PIT5509G

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178343

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

    • TSB #PIP5740

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178336

      This Preliminary information communicates to the dealer an issue where a customer may have incorrectly received a notification advising of a starting syetem issue with their veihcle. Read More »

    • TSB #PIP5741

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178340

      This Preliminary information communicates to the dealer technician that if after replacing the valve body on an 8L45 or 8L90 transmission the vehicle will not move the valve body may be missing a plug and retainer bolt. Read More »

    • TSB #20NA139

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178289

      This technical bulletin provides a procedure to check and tighten the B+ at the starter for proper torque. 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 #PIT5745

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178303

      This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »

    • TSB #PIT5593B

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176334

      This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Read More »

    • TSB #20NA113

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176642

      This technical bulletin provides repair information to correct a customer concern of Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs. 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 #PIP5429A

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176309

      This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »

    • TSB #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 #PIP5700C

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176306

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #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 #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 #N192265660-01

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10173958

      Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. Read More »

    • TSB #PIT5490B

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10173713

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set. Read More »

    • TSB #PIT5509F

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

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

    • TSB #N192273630-02

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173955

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine vehicles. 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 #PIP5700B

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173674

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #PIT5287F

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10173627

      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 #PIT5307G

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172325

      This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »

    • TSB #N192273631

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172660

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. Read More »

    • TSB #N192273630-01

      Date Announced:
      FEB 12, 2020
      NHTSA ID:
      #10172657

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. 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 #PIP4723D

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171318

      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 #PIT5546G

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10171311

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »

    • TSB #PIP5700A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171294

      This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »

    • TSB #PIT5387G

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171297

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

    • TSB #19NA193

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171894

      This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub. Read More »

    • TSB #N192265660

      Date Announced:
      JAN 07, 2020
      NHTSA ID:
      #10171416

      Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. 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 #PIT5074M

      Date Announced:
      NOV 05, 2019
      NHTSA ID:
      #10168956

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #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 #PIP5601A

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10167434

      This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »

    • TSB #PIP5504B

      Date Announced:
      OCT 03, 2019
      NHTSA ID:
      #10167426

      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 #PIT5546F

      Date Announced:
      SEP 20, 2019
      NHTSA ID:
      #10165896

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 #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 #PIT5074L

      Date Announced:
      JUN 03, 2019
      NHTSA ID:
      #10162106

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #PIT5546E

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160689

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 #PIT4610F

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160666

      This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa. Read More »

    • TSB #PIT5195E

      Date Announced:
      APR 12, 2019
      NHTSA ID:
      #10160662

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. 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 #PIP5423B (1)

      Date Announced:
      APR 10, 2019
      NHTSA ID:
      #10160648

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »

    • TSB #PIP5423B

      Date Announced:
      APR 09, 2019
      NHTSA ID:
      #10160647

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »

    • TSB #PIP4670F

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160633

      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 #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 #PIT5307F

      Date Announced:
      FEB 04, 2019
      NHTSA ID:
      #10154264

      This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »

    • TSB #PIT5546D

      Date Announced:
      FEB 01, 2019
      NHTSA ID:
      #10154263

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »

    • TSB #18NA217

      Date Announced:
      JAN 10, 2019
      NHTSA ID:
      #10155007

      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 #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 #18NA153

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10154981

      This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. Read More »

    • TSB #PIT5445C

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151849

      This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »

    • TSB #PIT5594A

      Date Announced:
      NOV 14, 2018
      NHTSA ID:
      #10151842

      This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position. Read More »

    • TSB #PIT5507E

      Date Announced:
      MAY 24, 2018
      NHTSA ID:
      #10141372

      This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. Read More »

    • TSB #PIT5509D

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141367

      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 ... Read More »

    • TSB #PIP5432B

      Date Announced:
      MAY 17, 2018
      NHTSA ID:
      #10141362

      This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). Read More »

    • TSB #PIT5614

      Date Announced:
      MAY 01, 2018
      NHTSA ID:
      #10141343

      This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue. Read More »

    • TSB #PIT5593A

      Date Announced:
      APR 23, 2018
      NHTSA ID:
      #10137514

      This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Read More »

    • TSB #17NA337

      Date Announced:
      FEB 26, 2018
      NHTSA ID:
      #10137378

      This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu. Read More »

    • TSB #PIT5526B

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10129106

      This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the A15, Starter Generator (MGU). Read More »

    • TSB #PIT5546B

      Date Announced:
      JAN 26, 2018
      NHTSA ID:
      #10129101

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »

    • TSB #PIC5650D

      Date Announced:
      DEC 19, 2017
      NHTSA ID:
      #10126982

      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 #PIC5491K

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126972

      This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »

    • TSB #150603001C

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10139185

      This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »

    • TSB #150603002I

      Date Announced:
      DEC 01, 2017
      NHTSA ID:
      #10139186

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #PIC6315A

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125127

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #PIC6315

      Date Announced:
      NOV 14, 2017
      NHTSA ID:
      #10125115

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #17NA297

      Date Announced:
      SEP 19, 2017
      NHTSA ID:
      #10159613

      This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative. Read More »

    • TSB #17-NA-067

      Date Announced:
      MAR 10, 2017
      NHTSA ID:
      #10138054

      This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. Read More »

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

    • TSB #21NA158

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10200150

      This service bulletin provides information on High Voltage Battery Module Replacement. 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 #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 »

    • TSB #150603002J

      Date Announced:
      DEC 05, 2017
      NHTSA ID:
      #10139187

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. 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 #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 »

    • TSB #PIE0499

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10155064

      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 #18NA079

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137306

      This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. Read More »

    • TSB #17-NA-219

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190267

      Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. 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 #PIT5529A

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10126992

      This Preliminary Information communication provides information to the technician about vehicles that have Trailer connection not recognized or “Check Trailer wiring” or “Service Trailer Brake” message. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187175

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

    • TSB #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 »

    • TSB #PIT5195E

      Date Announced:
      APR 12, 2019
      NHTSA ID:
      #10160662

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

    • TSB #PIC3100F

      Date Announced:
      NOV 07, 2017
      NHTSA ID:
      #10125106

      This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Read More »

    • TSB #17-NA-337

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190318

      All or Some Options May Be Missing from Driver Information Center (DIC) ¿Info Pages¿ Menu Due to Them Not Being Selected Condition Some customers may comment that with the ¿Info¿ option selected from the main menu (1), the ¿Info ... Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT

    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 #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 #PIT5444D

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154290

      This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »

    • TSB #PIP5614

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10154576

      This Preliminary information communicates to the dealer technicians that DTCs P0046, P113B and P206B may be caused by a software anamoly. The anamoly should be corrected by updating the engine control module (ECM). Read More »

    • TSB #17NA269

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139106

      This Technical bulletin provides information on new software to correct the rear camera display being too bright. Read More »

    • TSB #PIT5387E

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125128

      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 #PIP5510C

      Date Announced:
      NOV 03, 2017
      NHTSA ID:
      #10125097

      This Preliminary information communicates to the dealer technicians to refer to campaign 17337 for calibration updates for P20EE. Read More »

    • TSB #17419

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191076

      Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6. Read More »

    • TSB #PIT5236K

      Date Announced:
      SEP 28, 2017
      NHTSA ID:
      #10157041

      This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »

    • TSB #17-NA-244

      Date Announced:
      JUL 25, 2017
      NHTSA ID:
      #10126113

      This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use. 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 »

    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 #20NA207

      Date Announced:
      OCT 06, 2020
      NHTSA ID:
      #10183206

      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 #PIT5546G

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10171311

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »

    • TSB #PIT5546E

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160689

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 #070842006N

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155013

      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 »

    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 #PIT5546G

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10171311

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »

    EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

    • TSB #18NA046

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137330

      This technical bulletin provides repair information to correct a customer concern of a headlamp bezel loose or falling off. Read More »

    EXTERIOR LIGHTING:TAIL LIGHTS

    • TSB #PIE0498

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155019

      This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture. Read More »

    EXTERIOR LIGHTING:BRAKE LIGHTS

    • TSB #PIT5314B

      Date Announced:
      DEC 20, 2017
      NHTSA ID:
      #10126990

      This Preliminary Information communication provides information to the technician about vehicles that have installed an aftermarket bed cap or topper may question where they can wire in the center high mounted stop light for the cap or ... Read More »

    VISIBILITY

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10199285

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #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 »

    • TSB #17NA297

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139108

      This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt 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 »

    • TSB #17NA258

      Date Announced:
      JUL 31, 2019
      NHTSA ID:
      #10163884

      This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area. 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 »

    • TSB #18NA079

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137306

      This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260D

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190431

      This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »

    • TSB #PIC5260C

      Date Announced:
      APR 23, 2019
      NHTSA ID:
      #10160682

      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 #PI-1255F

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190342

      Changing to Camper Outside Rearview Mirrors Some customers may request to have camper style mirrors installed on their vehicle. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • 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 #PIT5099E

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178385

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. 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 »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

    • TSB #N192265660-01

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10173958

      Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. Read More »

    AIR BAGS

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

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

    • TSB #PIC5650J

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

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

    SEAT BELTS

    • TSB #17366-09222017

      Date Announced:
      SEP 22, 2017
      NHTSA ID:
      #10159297

      17366 Service Update. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles. Read More »

    • TSB #17366

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159294

      17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. Read More »

    SEAT BELTS:FRONT

    • TSB #17366

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159294

      17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. Read More »

    STRUCTURE

    • TSB #PIP5358A

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10197294

      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 #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 #PIP5784

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190355

      This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal  or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body ... Read More »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #18NA135

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10187746

      This technical bulletin provides repair information to correct a customer concern of water leaking into bed area on trucks equipped with High Desert package. 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 #PIT5533C

      Date Announced:
      JUL 24, 2020
      NHTSA ID:
      #10178382

      This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. 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 #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 #PIT5680

      Date Announced:
      MAY 08, 2019
      NHTSA ID:
      #10160990

      This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector. Read More »

    • TSB #PIT5546E

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160689

      This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »

    • TSB #PIE0498

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155019

      This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture. 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 #PIE0468A

      Date Announced:
      NOV 07, 2018
      NHTSA ID:
      #10155078

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Missing/Wrong Wheel Trim Shipped with New Vehicle. Read More »

    • TSB #PIT5533B

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143430

      This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »

    • TSB #PIT4250H

      Date Announced:
      NOV 21, 2017
      NHTSA ID:
      #10125130

      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 »

    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:BUMPERS

    • TSB #PIT5440A

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156928

      This Preliminary Information communication advises the technician when painting the bumper on a Work Truck use the paint code is 598F that is Anthracite color. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #PIT5680

      Date Announced:
      MAY 08, 2019
      NHTSA ID:
      #10160990

      This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector. Read More »

    • TSB #18NA079

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137306

      This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. Read More »

    • TSB #17NA258

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139135

      This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass 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 »

    STRUCTURE:BODY:HOOD

    • TSB #PIT5576A

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10126993

      This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Read More »

    STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS

    • TSB #PIT5576A

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10126993

      This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Read More »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #PIT5392D

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10167461

      This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. Read More »

    TIRES

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198858

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186080

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187394

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #20NA159

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180317

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT4261F

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173681

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    • TSB #050310020G

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10174300

      This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • 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 #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 #000310003W

      Date Announced:
      DEC 14, 2017
      NHTSA ID:
      #10139167

      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 #PIT4261E

      Date Announced:
      NOV 21, 2017
      NHTSA ID:
      #10125131

      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: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 »

    • TSB #PIT4261F

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173681

      This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »

    WHEELS

    • TSB #PIP5640A

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193450

      This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »

    • TSB #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 #PIT3271J

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168960

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT5530C

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10162155

      This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ)  or ... Read More »

    • TSB #PIE0468A

      Date Announced:
      NOV 07, 2018
      NHTSA ID:
      #10155078

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Missing/Wrong Wheel Trim Shipped with New Vehicle. Read More »

    • TSB #17NA267

      Date Announced:
      NOV 09, 2017
      NHTSA ID:
      #10139105

      This informational bulletin provides information for 22" accessory wheel/tire usages. Read More »

    • TSB #17-NA-230

      Date Announced:
      JUL 17, 2017
      NHTSA ID:
      #10126100

      This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided. Read More »

    WHEELS:LUGS/NUTS/BOLTS

    • TSB #PIT5530B

      Date Announced:
      MAR 26, 2018
      NHTSA ID:
      #10137199

      This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or ... Read More »

    TRAILER HITCHES

    • TSB #PIT5509H

      Date Announced:
      JUL 22, 2021
      NHTSA ID:
      #10201253

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

    • TSB #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 #17NA350

      Date Announced:
      NOV 07, 2017
      NHTSA ID:
      #10139122

      This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »

    SEATS

    • TSB #PIT5745

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178303

      This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »

    • TSB #N192285050

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10172670

      Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. Read More »

    • 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 #PIT5380C

      Date Announced:
      MAY 30, 2018
      NHTSA ID:
      #10141379

      This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »

    • TSB #PIC6179A

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10125139

      This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIT5403H

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

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

    • TSB #PIT4322L

      Date Announced:
      MAY 14, 2021
      NHTSA ID:
      #10197297

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    • TSB #PIT4322K

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174818

      This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »

    FORWARD COLLISION AVOIDANCE

    • TSB #PIT5551F

      Date Announced:
      OCT 07, 2020
      NHTSA ID:
      #10182540

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert". Read More »

    • TSB #PIT5551E

      Date Announced:
      OCT 03, 2019
      NHTSA ID:
      #10167425

      This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert". Read More »

    • TSB #PIT5551C

      Date Announced:
      MAY 11, 2018
      NHTSA ID:
      #10141351

      This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert". Read More »

    LANE DEPARTURE

    • TSB #PIT5527C

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168965

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

    • 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 »

    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 #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 #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 #PIP5446A

      Date Announced:
      JAN 18, 2018
      NHTSA ID:
      #10129075

      This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Read More »

    • TSB #17NA269

      Date Announced:
      SEP 13, 2017
      NHTSA ID:
      #10159598

      This Technical bulletin provides information on new software to correct the rear camera display being too bright. Read More »

    BACK OVER PREVENTION:SOFTWARE

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187175

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

    BACK OVER PREVENTION: WARNINGS

    • TSB #PIT5507D

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137207

      This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. 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 »

    • TSB #17NA375

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139141

      This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    • TSB #17NA269

      Date Announced:
      SEP 13, 2017
      NHTSA ID:
      #10159598

      This Technical bulletin provides information on new software to correct the rear camera display being too bright. Read More »

    BACK OVER PREVENTION:DISPLAY FUNCTION

    • TSB #PIT5387J

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187175

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

    EQUIPMENT

    • 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 #N212338290

      Date Announced:
      JUL 20, 2021
      NHTSA ID:
      #10200199

      Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. Read More »

    • TSB #PIP5813

      Date Announced:
      JUL 09, 2021
      NHTSA ID:
      #10201180

      This Preliminary information communicates A vehicle may have a need for  Camshaft replacement or have misfires on non AFM cylinders after the camshaft was replaced. 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 #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 #PIT5746A

      Date Announced:
      MAY 13, 2021
      NHTSA ID:
      #10197296

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #PIP5358A

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10197294

      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 #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 #PIT3227Q

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10193430

      This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »

    • TSB #18NA099

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191191

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #18NA306

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191192

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #PIP5725A

      Date Announced:
      MAR 19, 2021
      NHTSA ID:
      #10190413

      This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. 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 #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 #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 #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 #17NA166

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

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

    • TSB #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:
      #10186069

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

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186105

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #PIT5161H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184142

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #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 #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... 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 #PIT5586F

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184096

      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 #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 #PIT5387H

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10182573

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

    • TSB #19NA237

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

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

    • TSB #20NA043

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

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

    • TSB #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 #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 #PIP5684C

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182564

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

    • TSB #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 #20NA185

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181711

      This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern. 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 #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. 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 #PIP5684B

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

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

    • TSB #PIP4902N

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178352

      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 #17NA166

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178253

      This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. 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 #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #060089029T

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

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

    • TSB #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 #19NA219

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173398

      This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue. 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 #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 #PIT3099T

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172305

      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 #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 #PIT5387G

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171297

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

    • TSB #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 #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 #PIP5684

      Date Announced:
      OCT 22, 2019
      NHTSA ID:
      #10167455

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

    • TSB #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 #PIP5632A

      Date Announced:
      MAY 28, 2019
      NHTSA ID:
      #10161046

      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 #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 #PIC6360

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160672

      This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. 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 #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 #PIE0499A

      Date Announced:
      FEB 26, 2019
      NHTSA ID:
      #10154657

      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 #090089016F

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10155071

      This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014. Read More »

    • TSB #090089002P

      Date Announced:
      FEB 05, 2019
      NHTSA ID:
      #10155070

      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 #PIE0500

      Date Announced:
      JAN 24, 2019
      NHTSA ID:
      #10155065

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #PI1354I

      Date Announced:
      JAN 17, 2019
      NHTSA ID:
      #10155057

      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 #18NA370

      Date Announced:
      JAN 07, 2019
      NHTSA ID:
      #10155036

      This technical bulletin provides repair information to correct a customer concern of hearing a pickup box ornamentation bar (Sports Bar) wind noise or rattle. Read More »

    • TSB #080089014C

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10155014

      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 #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 #PIC6107A

      Date Announced:
      NOV 21, 2018
      NHTSA ID:
      #10151868

      This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Read More »

    • TSB #PIE0473A

      Date Announced:
      NOV 07, 2018
      NHTSA ID:
      #10155079

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of A/C Not Cool Due to No Pressure Build. 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 #PIP5121C

      Date Announced:
      JUN 27, 2018
      NHTSA ID:
      #10143459

      This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6. Read More »

    • TSB #PIT5380C

      Date Announced:
      MAY 30, 2018
      NHTSA ID:
      #10141379

      This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »

    • TSB #PIP5570

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141370

      This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. Read More »

    • TSB #PIP5498H

      Date Announced:
      MAY 18, 2018
      NHTSA ID:
      #10141365

      This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. Read More »

    • TSB #PIP5432B

      Date Announced:
      MAY 17, 2018
      NHTSA ID:
      #10141362

      This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). Read More »

    • TSB #PIP5481B

      Date Announced:
      DEC 20, 2017
      NHTSA ID:
      #10126989

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. Read More »

    • TSB #120089007A

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10139181

      This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels. Read More »

    • TSB #17NA214

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10139131

      This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »

    • TSB #17NA346

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139118

      This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »

    • TSB #17426

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191103

      Condition Certain 2018 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with the manual shift transfer case (RPO NQG), may have a condition in which the transfer case shift linkage rod bolt torque is less than specified. Read More »

    • TSB #PIE0436

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134637

      This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    • TSB #17366-09192017

      Date Announced:
      SEP 19, 2017
      NHTSA ID:
      #10159295

      17366 Stop Delivery Population Revision. On September 14, 2017, GM ordered a stop delivery of certain vehicles. Read More »

    • TSB #2118130-09142017

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159293

      N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Read More »

    • TSB #2118130

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159291

      N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Read More »

    • TSB #17NA100

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159593

      This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods. Read More »

    • TSB #211813-09062017

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159288

      N172118130 Stop Delivery. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Read More »

    • TSB #211813

      Date Announced:
      SEP 01, 2017
      NHTSA ID:
      #10159262

      N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. Read More »

    EQUIPMENT:ELECTRICAL

    • 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 #PIT5287F

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10173627

      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 #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 #PIC6360

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160672

      This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. 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 #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 #PIC6073E

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154606

      This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »

    • TSB #PIC6107A

      Date Announced:
      NOV 21, 2018
      NHTSA ID:
      #10151868

      This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Read More »

    • TSB #PIT5354B

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126973

      This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4). Read More »

    • TSB #17NA386

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139176

      This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis. Read More »

    • TSB #17NA344

      Date Announced:
      NOV 28, 2017
      NHTSA ID:
      #10139116

      This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered. Read More »

    • TSB #17NA214

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10139131

      This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »

    • TSB #PIT5594

      Date Announced:
      NOV 07, 2017
      NHTSA ID:
      #10125109

      This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position. Read More »

    • TSB #PIE0436

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134637

      This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIT5594B

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168964

      This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position. Read More »

    • 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 #17NA337

      Date Announced:
      FEB 26, 2018
      NHTSA ID:
      #10137378

      This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu. Read More »

    • TSB #PIC6315A

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125127

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    • TSB #PIT5387E

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125128

      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 #PIC6315

      Date Announced:
      NOV 14, 2017
      NHTSA ID:
      #10125115

      This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIC6107A

      Date Announced:
      NOV 21, 2018
      NHTSA ID:
      #10151868

      This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. 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:OTHER:LABELS

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #211813-09292017-

      Date Announced:
      SEP 29, 2017
      NHTSA ID:
      #10159301

      17357 and 17366 - Service update. General Motors has released four field actions related to a condition in which certain vehicles may have an incorrect torsion bar built into the front seat belt retractors. Read More »

    • TSB #211813

      Date Announced:
      SEP 01, 2017
      NHTSA ID:
      #10159262

      N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #N192264210

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

      Customer Satisfaction Program Closed Message sent. Read More »

    • TSB #20NA038

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10194084

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

    • TSB #21NA010

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187773

      This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return. 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 #PIT5074N

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184131

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #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 #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #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 #PIC5453C

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10178306

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #PIT5746

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176332

      This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »

    • TSB #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

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

    • TSB #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 #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      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 #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 #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #19NA232

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168238

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #060847001O

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

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

    • 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 #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 #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 #030089006P

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137382

      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 #070849020M

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190320

      IPC Odometer Programming Method Quick Reference Guide Read More »

    • TSB #17-NA-073

      Date Announced:
      MAR 15, 2017
      NHTSA ID:
      #10138060

      This warranty administration bulletin provides policy information with the field action courtesy transportation policy. Read More »

    • TSB #06-08-47-001M

      Date Announced:
      MAR 07, 2017
      NHTSA ID:
      #10138014

      This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • 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 #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 #090604026S

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

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

    • TSB #PIT5161H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184142

      This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »

    • TSB #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 #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... 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 #PIT5586F

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184096

      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 #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 #N192273630-02

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173955

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine 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 #N192285050

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10172670

      Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. 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 #PIT5307G

      Date Announced:
      FEB 19, 2020
      NHTSA ID:
      #10172325

      This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... 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 #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 #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 #PIT5440A

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156928

      This Preliminary Information communication advises the technician when painting the bumper on a Work Truck use the paint code is 598F that is Anthracite color. Read More »

    • TSB #PIE0498

      Date Announced:
      DEC 10, 2018
      NHTSA ID:
      #10155019

      This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture. 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 #PIP5121C

      Date Announced:
      JUN 27, 2018
      NHTSA ID:
      #10143459

      This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6. Read More »

    • TSB #PIP5570

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141370

      This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. Read More »

    • TSB #PIP5432B

      Date Announced:
      MAY 17, 2018
      NHTSA ID:
      #10141362

      This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). Read More »

    • TSB #PIT5614

      Date Announced:
      MAY 01, 2018
      NHTSA ID:
      #10141343

      This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue. Read More »

    • TSB #PIP5252B

      Date Announced:
      JAN 03, 2018
      NHTSA ID:
      #10129050

      This Preliminary Information communication provides information to the technician about vehicles that the engine may run hot with the snow plow installed. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #18NA156

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10186122

      This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part. Read More »

    • TSB #18NA156

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10187431

      This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part. Read More »

    • TSB #PIT5614

      Date Announced:
      MAY 01, 2018
      NHTSA ID:
      #10141343

      This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue. 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 »

    UNKNOWN OR OTHER

    • TSB #PI1369A

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10168214

      This preliminary bulletin provides a procedure to reprogram more than 8 keys for the PPV. Read More »