Technical Service Bulletins (TSBs) for the 2018 Sierra 3500 are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #03-00-91-001I

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

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

    • TSB #15-00-89-004F

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

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

    • TSB #PI0281J

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

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

    • TSB #13-02-32-001G

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

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

    • TSB #PIT5544F

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #16-NA-109

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

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

    • TSB #PIT5544E

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

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

    • TSB #20NA006

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

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

    • TSB #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 #PIT5457C

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143433

      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 #PIT5586A

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137205

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

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • TSB #PIT5481C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129082

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

    STEERING:GEAR BOX:SHAFT SECTOR

    • TSB #PIP5570A

      Date Announced:
      OCT 04, 2018
      NHTSA ID:
      #10147352

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

    STEERING:GEAR BOX:SHAFT PITMAN

    • TSB #PIP5570A

      Date Announced:
      OCT 04, 2018
      NHTSA ID:
      #10147352

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

    SUSPENSION

    • TSB #03-00-91-001I

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

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

    • TSB #15-00-89-004F

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

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

    • TSB #PI0281J

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

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

    • TSB #21-NA-138

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

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

    • TSB #21-NA-138

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #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 #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 #PIT5457C

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143433

      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 #PIT5586A

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137205

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

    • TSB #PIT5451B

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10129053

      This Preliminary Information communication provides information to the technician about vehicles that have a vibration at highway speed. Technician will need to replace the wheel for a rolled lip of aluminum in the hub opening. Read More »

    • TSB #PIP5541

      Date Announced:
      JAN 05, 2018
      NHTSA ID:
      #10129052

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

    • TSB #PIT5533A

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123213

      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 #PIT5403D

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157012

      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 #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 »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #PIT5287D

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129877

      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 #PIT5049D

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129878

      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 #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:SHOCK ABSORBER

    • TSB #PIT5049D

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129878

      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 #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 »

    TRACTION CONTROL SYSTEM

    • TSB #PIT5457C

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143433

      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 »

    BRAKES (PWS)

    • TSB #PIT5479F

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

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

    • TSB #23-NA-144

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

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

    • TSB #PIT3665L

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

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

    • TSB #21-NA-043

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

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

    • TSB #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 #PIT3665G

      Date Announced:
      MAY 13, 2019
      NHTSA ID:
      #10161004

      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 #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 #PIT3665F

      Date Announced:
      JAN 23, 2018
      NHTSA ID:
      #10129088

      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 »

    SERVICE BRAKES, HYDRAULIC

    • TSB #15-00-89-004E

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

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

    • TSB #18187

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143741

      18187 - Customer Satisfaction Program. Certain vehicles may have been built with a BAS (Brake Apply Sensor) pin that was installed incorrectly which may enable the pin to come loose. Read More »

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #18187

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143741

      18187 - Customer Satisfaction Program. Certain vehicles may have been built with a BAS (Brake Apply Sensor) pin that was installed incorrectly which may enable the pin to come loose. Read More »

    SERVICE BRAKES, HYDRAULIC:POWER ASSIST

    • TSB #18187

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143741

      18187 - Customer Satisfaction Program. Certain vehicles may have been built with a BAS (Brake Apply Sensor) pin that was installed incorrectly which may enable the pin to come loose. 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:ANTILOCK:WHEEL SPEED SENSOR

    • TSB #PIT5569B

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

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

    PARKING BRAKE

    • TSB #19NA035

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

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

    PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR

    • TSB #19NA035

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

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

    PARKING BRAKE:ELECTRICAL:CONTROL MODULE

    • TSB #20-NA-207

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

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

    ENGINE (PWS)

    • TSB #12-00-89-003B

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

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

    • TSB #22NA014

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

      This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern. Read More »

    • TSB #18NA073

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

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

    • TSB #PIP5632F

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

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

    • TSB #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 #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 #PIP5733

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

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

    • TSB #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 #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 #PIP5644

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10160988

      This Preliminary information communicates Check Engine Light on and vehicle runs rough. This condidtion will occur within the first 5 minutes after the vehicle is started. Read More »

    • TSB #PIP5642

      Date Announced:
      APR 25, 2019
      NHTSA ID:
      #10160693

      This Preliminary information communicates A vehicle may have a concern of a misfire P0300 on bank 1 that may or may not be felt driving. The Cause may be the HPFP lifter Read More »

    • TSB #PIP5541A

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

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

    • TSB #PIP3119P

      Date Announced:
      MAR 06, 2019
      NHTSA ID:
      #10156912

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

    • TSB #PIP5427B

      Date Announced:
      MAR 06, 2019
      NHTSA ID:
      #10156913

      This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. 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 #PIP5159C

      Date Announced:
      OCT 29, 2018
      NHTSA ID:
      #10149051

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »

    • TSB #PIT5586B

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

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

    • TSB #PIP5468F

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144452

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Read More »

    • TSB #PIP5179D

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137203

      This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »

    • TSB #PIT5586A

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137205

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

    • TSB #PIP5562

      Date Announced:
      MAR 20, 2018
      NHTSA ID:
      #10137192

      This Preliminary information communicates to the dealer technicain a concern with the GPCM service parts(12687698 and 12671083) for 2017 – 2018 vehicles with the 6.6 L5P diesel. Read More »

    • TSB #PIT5391D

      Date Announced:
      MAR 15, 2018
      NHTSA ID:
      #10137188

      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 #PIP5226B

      Date Announced:
      JAN 25, 2018
      NHTSA ID:
      #10129097

      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 #PIP5540A

      Date Announced:
      JAN 18, 2018
      NHTSA ID:
      #10129073

      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 #PIP5308B

      Date Announced:
      JAN 15, 2018
      NHTSA ID:
      #10129065

      This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »

    • TSB #PIP5130J

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10129061

      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 #PIP5541

      Date Announced:
      JAN 05, 2018
      NHTSA ID:
      #10129052

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

    • TSB #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 »

    • TSB #PIT5521A

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157029

      This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done. Read More »

    • TSB #PIT5350A

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157023

      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 #PIP5481A

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157013

      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 #PIP5151D

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157014

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #16NA376

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159587

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

    • TSB #PIP4912F

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137750

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

    ENGINE AND ENGINE COOLING

    • TSB #23-NA-032

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

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

    • TSB #16-NA-383

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

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

    • TSB #22-NA-074

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

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

    • TSB #16-NA-222

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

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

    • TSB #16-NA-338

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

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

    • TSB #PI1394B

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

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

    • TSB #20-NA-132

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

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

    • TSB #03-00-91-001I

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

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

    • TSB #01-06-01-011O

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

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

    • TSB #17-NA-157

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

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

    • TSB #23-NA-153

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

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

    • TSB #PIP4112T

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10247768

      This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. Read More »

    • TSB #18-NA-073

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

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

    • TSB #16-NA-222

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

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

    • TSB #23-NA-141

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

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

    • TSB #15-00-89-004F

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

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

    • TSB #04-06-04-051H

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

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

    • TSB #03-06-01-023G

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

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

    • TSB #09-06-04-026X

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

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

    • TSB #23-NA-027

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

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

    • TSB #01-06-01-011N

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

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

    • TSB #04-07-30-013E

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

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

    • TSB #19-NA-219

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

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

    • TSB #PI0281J

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

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

    • TSB #20-NA-132

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

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

    • TSB #23-NA-027

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

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

    • TSB #19-NA-219

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

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

    • TSB #21-NA-043

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

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

    • TSB #00-06-01-012M

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

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

    • TSB #00-06-01-026Q

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

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

    • TSB #16-NA-222

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

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

    • TSB #22-NA-009

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

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

    • TSB #18-NA-073

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

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

    • TSB #07-06-01-016I

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

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

    • TSB #23-NA-032

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

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

    • TSB #15-06-01-002M

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230583

      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 #18-NA-073

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

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

    • TSB #21-NA-124

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

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

    • TSB #16-NA-338

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

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

    • TSB #20-NA-138

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

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

    • TSB #22-NA-216

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

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

    • TSB #22-NA-074

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

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

    • TSB #22-NA-216

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

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

    • TSB #PIP5175E

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

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

    • TSB #03-06-04-017R

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

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

    • TSB #06-00-89-031H

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

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

    • TSB #05-06-04-022T

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

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

    • TSB #07-06-01-016H

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #09-06-04-026W

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

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

    • TSB #05-00-89-072F

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

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

    • TSB #22-NA-009

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

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

    • TSB #01-06-01-011M

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

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

    • TSB #00-06-01-012L

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

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

    • TSB #04-06-04-051G

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

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

    • TSB #10-06-05-002K

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

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

    • TSB #00-06-01-026P

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

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

    • TSB #16-NA-222

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

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

    • TSB #03-06-01-023F

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

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

    • TSB #20-NA-065

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

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

    • TSB #19-NA-044

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

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

    • TSB #12-01-37-001F

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

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

    • TSB #22-NA-009

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

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

    • TSB #21-NA-043

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

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

    • TSB #03-06-01-023E

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

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

    • TSB #22-NA-074

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

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

    • TSB #15-06-01-002L

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10209953

      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 #22-NA-009

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

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

    • TSB #PIT5479E

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

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

    • TSB #19NA187

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

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

    • TSB #19NA232

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10212614

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #N212346580

      Date Announced:
      DEC 17, 2021
      NHTSA ID:
      #10214721

      Block Heater Restore Read More »

    • TSB #PIP5628E

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

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

    • TSB #19NA153

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

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

    • TSB #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 #PIP5719B

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

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

    • TSB #N192264210

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

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

    • TSB #18NA361

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

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

    • TSB #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 #PIP5407B

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10165914

      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 #PIP5498L

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10160989

      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 #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 #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 #PIP4138R

      Date Announced:
      OCT 16, 2018
      NHTSA ID:
      #10147382

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »

    • TSB #PIP5594

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

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

    • TSB #PIP5582

      Date Announced:
      SEP 05, 2018
      NHTSA ID:
      #10145464

      This Preliminary information communicates to the dealer technicians that DTC P0300 with engine misfires on paired cylinders may be caused by an internal ECM fault. Read More »

    • TSB #PIP5468F

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144452

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Read More »

    • TSB #PIP5487C

      Date Announced:
      AUG 01, 2018
      NHTSA ID:
      #10144421

      This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present. Read More »

    • TSB #PIP5487B

      Date Announced:
      JUL 25, 2018
      NHTSA ID:
      #10143780

      This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present. Read More »

    • TSB #PIP5151E

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143447

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #18185

      Date Announced:
      MAY 30, 2018
      NHTSA ID:
      #10143421

      18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. Read More »

    • TSB #18185

      Date Announced:
      MAY 30, 2018
      NHTSA ID:
      #10143733

      18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. Read More »

    • TSB #PIT5513E

      Date Announced:
      APR 30, 2018
      NHTSA ID:
      #10137530

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

    • TSB #PIT5308C

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137521

      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 #PIP5330C

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129071

      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 #PIT5245C

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10129064

      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 #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 #PIP4578B

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126975

      This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. 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 #010601011J

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139088

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

    • TSB #PIT5445B

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157033

      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 #PIP5487A

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156994

      This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present. Read More »

    • TSB #PIP5468C

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10137736

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Read More »

    • TSB #PIP5212A

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10137701

      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 »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #20NA203

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

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

    • TSB #N192264210

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

      Customer Satisfaction Program Closed Message sent. Read More »

    • TSB #17337-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191038

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... 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 #PIP5370B

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156992

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

    • TSB #PIP5510A

      Date Announced:
      AUG 25, 2017
      NHTSA ID:
      #10137740

      This Preliminary information communicates to the dealer technicians aprocedure to determine if the vehicle'sSCR system is healthy. Read More »

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

    • TSB #22NA009

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

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

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

    • TSB #PIP5628F

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

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

    • TSB #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 #N182179090

      Date Announced:
      NOV 14, 2018
      NHTSA ID:
      #10212574

      Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Read More »

    • TSB #17337-17419

      Date Announced:
      NOV 09, 2017
      NHTSA ID:
      #10191056

      General Motors released Emission Recall 17337 and Service Update 17419 on November 1, 2017. After their release, a change occurred in Tis2Web that affects the involved 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #22NA013

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

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

    • 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 #PIP5468F

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144452

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #19NA237

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

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

    • TSB #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 #PIP5370D

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144449

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

    • TSB #PIP5370C

      Date Announced:
      JUN 19, 2018
      NHTSA ID:
      #10143448

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

    • TSB #PIP5489A

      Date Announced:
      AUG 30, 2017
      NHTSA ID:
      #10137752

      This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion. Read More »

    • TSB #PIP5510A

      Date Announced:
      AUG 25, 2017
      NHTSA ID:
      #10137740

      This Preliminary information communicates to the dealer technicians aprocedure to determine if the vehicle'sSCR system is healthy. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #19-NA-044

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

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

    • TSB #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 #17337-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191038

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... 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:CATALYTIC CONVERTOR

    • TSB #PIP3119P

      Date Announced:
      MAR 06, 2019
      NHTSA ID:
      #10156912

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »

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

    • TSB #PIP4112S

      Date Announced:
      MAR 12, 2018
      NHTSA ID:
      #10137182

      This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #19-NA-044

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

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

    • TSB #PIP5395H

      Date Announced:
      JAN 24, 2024
      NHTSA ID:
      #10249994

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »

    • TSB #04-06-04-051H

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

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

    • TSB #21-NA-043

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

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

    • TSB #PIT5161J

      Date Announced:
      JAN 09, 2023
      NHTSA ID:
      #10231632

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

    • TSB #05-06-04-022T

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

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

    • TSB #05-00-89-072F

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

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

    • TSB #04-06-04-051G

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

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

    • TSB #19-NA-044

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

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

    • TSB #21-NA-043

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

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

    • TSB #22NA014

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

      This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern. Read More »

    • TSB #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 #N192273631-01

      Date Announced:
      MAR 11, 2020
      NHTSA ID:
      #10173954

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2017-2018 model year diesel engine vehicles. 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 #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 #PIT5685

      Date Announced:
      MAY 17, 2019
      NHTSA ID:
      #10161026

      This Preliminary information communicates the location that dealers can find information to remove / delete the rear fuel tank from Chassis Cab trucks with RPO N2N dual fuel tanks. Read More »

    • TSB #N182179090

      Date Announced:
      NOV 14, 2018
      NHTSA ID:
      #10212574

      Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Read More »

    • TSB #PIP5151F

      Date Announced:
      JUL 30, 2018
      NHTSA ID:
      #10143785

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #PIP5572

      Date Announced:
      JUN 26, 2018
      NHTSA ID:
      #10143458

      This Preliminary information communicates to the dealer technicians that injector timing related DTCs are being investigated and to not replace injectors for DTCs. Read More »

    • TSB #PIP5151E

      Date Announced:
      JUN 18, 2018
      NHTSA ID:
      #10143447

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    • TSB #PIP5395D

      Date Announced:
      FEB 08, 2018
      NHTSA ID:
      #10129873

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »

    • TSB #PIP5168F

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129067

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »

    • TSB #PIP5308B

      Date Announced:
      JAN 15, 2018
      NHTSA ID:
      #10129065

      This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »

    • TSB #PIP5543

      Date Announced:
      JAN 10, 2018
      NHTSA ID:
      #10129058

      This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues. Read More »

    • TSB #PIT5161F

      Date Announced:
      OCT 30, 2017
      NHTSA ID:
      #10123285

      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 #PIP5151D

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157014

      This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE

    • TSB #PIT5161K

      Date Announced:
      JAN 10, 2024
      NHTSA ID:
      #10249971

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

    FUEL SYSTEM, GASOLINE:STORAGE: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: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:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #PIP5395E

      Date Announced:
      OCT 29, 2018
      NHTSA ID:
      #10149058

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #04-06-04-051F

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209734

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

    • TSB #16NA383

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

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

    • TSB #PIP5179D

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137203

      This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #N182179090

      Date Announced:
      NOV 14, 2018
      NHTSA ID:
      #10212574

      Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Read More »

    FUEL SYSTEM, DIESEL

    • TSB #03-06-04-017T

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241416

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

    • TSB #18-NA-103

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241503

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

    • TSB #23-NA-027

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

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

    • TSB #23-NA-027

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10235765

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

    • TSB #23-NA-027

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

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

    • TSB #03-06-04-017S

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234139

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

    • TSB #03-06-04-017R

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

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

    • TSB #05-06-04-022T

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

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

    • TSB #03-06-04-017Q

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10222736

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

    • TSB #10-06-05-002K

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

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

    • TSB #21-NA-043

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

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

    • TSB #N212346580-01

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

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

    • TSB #19NA237

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

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

    • TSB #PIP5370C

      Date Announced:
      JUN 19, 2018
      NHTSA ID:
      #10143448

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

    • TSB #PIT5308C

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137521

      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 #PIP5430C

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137512

      This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 restriction has ended. Read More »

    • TSB #PIP5543A

      Date Announced:
      APR 05, 2018
      NHTSA ID:
      #10137489

      This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues. Read More »

    • TSB #PIP5543

      Date Announced:
      JAN 10, 2018
      NHTSA ID:
      #10129058

      This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues. 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 #PIP5430B

      Date Announced:
      OCT 06, 2017
      NHTSA ID:
      #10123228

      This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIP5434A

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123212

      This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program will be in effect for 2017 and 2018 model yearsthrough the General Motors Product Quality Center. 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 #PIP5370B

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156992

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

    FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

    • TSB #PIT5481C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129082

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #PIP5543

      Date Announced:
      JAN 10, 2018
      NHTSA ID:
      #10129058

      This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues. Read More »

    FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

    • TSB #PIP5427B

      Date Announced:
      MAR 06, 2019
      NHTSA ID:
      #10156913

      This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Read More »

    • TSB #PIP5427A

      Date Announced:
      AUG 16, 2017
      NHTSA ID:
      #10137723

      This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Read More »

    FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #PIP3343F

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10129057

      This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Read More »

    POWER TRAIN

    • TSB #PIP5968

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

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

    • TSB #PIP5966

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

      This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement Read More »

    • TSB #16-NA-338

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

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

    • TSB #PI1394B

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

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

    • TSB #03-00-91-001I

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

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

    • TSB #22-NA-225

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10245200

      This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »

    • TSB #23-NA-153

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

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

    • TSB #PIP4112T

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10247768

      This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. Read More »

    • TSB #15-00-89-004F

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

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

    • TSB #17-NA-066

      Date Announced:
      JUL 21, 2023
      NHTSA ID:
      #10239647

      This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #17-NA-066

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239103

      This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #04-07-30-013E

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

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

    • TSB #08-07-30-026H

      Date Announced:
      MAY 30, 2023
      NHTSA ID:
      #10237387

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

    • TSB #PIC5650K

      Date Announced:
      MAY 15, 2023
      NHTSA ID:
      #10237659

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

    • TSB #08-07-30-035G

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234619

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

    • TSB #PI0281J

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

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

    • TSB #16-NA-130

      Date Announced:
      MAR 02, 2023
      NHTSA ID:
      #10232711

      This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »

    • TSB #99-04-20-002N

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232275

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

    • TSB #16-NA-338

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

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

    • TSB #20-NA-138

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

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

    • TSB #22-NA-225

      Date Announced:
      NOV 09, 2022
      NHTSA ID:
      #10227058

      This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern. Read More »

    • TSB #PIP5175E

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

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

    • TSB #PIP5882

      Date Announced:
      OCT 03, 2022
      NHTSA ID:
      #10226356

      This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern. Read More »

    • TSB #PIP5429A

      Date Announced:
      SEP 26, 2022
      NHTSA ID:
      #10224297

      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 #06-00-89-031H

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #PIP5621C

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10224285

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

    • TSB #22-NA-181

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220319

      This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission. Read More »

    • TSB #17-NA-066

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

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

    • TSB #20-NA-207

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

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

    • TSB #21NA199

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

      This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »

    • TSB #19NA153

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

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

    • TSB #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 #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 #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 #PIP5541A

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

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

    • TSB #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 #PIT5513F

      Date Announced:
      JUL 30, 2018
      NHTSA ID:
      #10143784

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

    • TSB #PIP5508B

      Date Announced:
      JUN 15, 2018
      NHTSA ID:
      #10143444

      This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module. Read More »

    • TSB #PIT5457C

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143433

      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 #PIT5308C

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137521

      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 #PIT5481C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129082

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #PIP5504A

      Date Announced:
      JAN 17, 2018
      NHTSA ID:
      #10129072

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

    • TSB #PIP5541

      Date Announced:
      JAN 05, 2018
      NHTSA ID:
      #10129052

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

    • TSB #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 #PIP5245B

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10126957

      This Preliminary Information communication provides information to the technician on how to diagnose vehicles with various noises associated with four wheel drive operation. 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 #PIP5508A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123256

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. 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:AUTOMATIC TRANSMISSION

    • TSB #17-NA-066

      Date Announced:
      JUL 21, 2023
      NHTSA ID:
      #10239647

      This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #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 #PIP3366C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143757

      This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »

    • TSB #PIP5248D

      Date Announced:
      AUG 10, 2017
      NHTSA ID:
      #10137707

      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/TECM)

    • TSB #PIP5621C

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10224285

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

    • TSB #17337-17419

      Date Announced:
      NOV 09, 2017
      NHTSA ID:
      #10191056

      General Motors released Emission Recall 17337 and Service Update 17419 on November 1, 2017. After their release, a change occurred in Tis2Web that affects the involved 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles. Read More »

    • TSB #17337-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191038

      General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • TSB #20NA142

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

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

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

    • TSB #16-NA-130

      Date Announced:
      MAR 02, 2023
      NHTSA ID:
      #10232711

      This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »

    • TSB #21NA199

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

      This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #PIP3366C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143757

      This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »

    POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

    • TSB #PIP5168F

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129067

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »

    ELECTRICAL SYSTEM

    • TSB #20-NA-132

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

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

    • TSB #10-08-45-001H

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

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

    • TSB #20-NA-132

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

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

    • TSB #PI0592I

      Date Announced:
      JAN 08, 2024
      NHTSA ID:
      #10249535

      This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #PIT5386J

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10249298

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

    • TSB #20-NA-132

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

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

    • TSB #23-NA-065

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10245201

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #PIT5698D

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10247778

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

    • TSB #07-08-49-020R

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244214

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

    • TSB #23-NA-065

      Date Announced:
      AUG 14, 2023
      NHTSA ID:
      #10242243

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #16-NA-222

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

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

    • TSB #18-NA-103

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241503

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

    • TSB #09-06-04-026X

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

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

    • TSB #23-NA-027

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

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

    • TSB #23-NA-125

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239645

      This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. Read More »

    • TSB #13-08-116-001I

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10239102

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

    • TSB #PIT5509J

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10236167

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

    • TSB #23-NA-027

      Date Announced:
      APR 20, 2023
      NHTSA ID:
      #10235765

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

    • TSB #20-NA-132

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

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

    • TSB #23-NA-027

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

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

    • TSB #21-NA-043

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

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

    • TSB #23-NA-044

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10233358

      This service bulletin provides information on AGM batteries that require less frequent charging in storage. Read More »

    • TSB #PIT5386H

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231646

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

    • TSB #22-NA-205

      Date Announced:
      OCT 19, 2022
      NHTSA ID:
      #10225615

      This service bulletin provides information on Module Harvesting. Read More »

    • TSB #PI0592G

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222841

      This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #PIP5429A

      Date Announced:
      SEP 26, 2022
      NHTSA ID:
      #10224297

      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 #13-08-116-001H

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222776

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

    • TSB #21-NA-068

      Date Announced:
      SEP 08, 2022
      NHTSA ID:
      #10222661

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #PIT5569B

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

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

    • TSB #PIT5287H

      Date Announced:
      APR 19, 2022
      NHTSA ID:
      #10211769

      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 #PIT5287G

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10211765

      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 #PIP4670J

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

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

    • TSB #N212346580-01

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

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

    • TSB #18-NA-161

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

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

    • TSB #20-NA-207

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

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

    • TSB #PIT5386G

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

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

    • TSB #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 #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 #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 #N192273631-01

      Date Announced:
      MAR 11, 2020
      NHTSA ID:
      #10173954

      Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2017-2018 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 #PIP4670H

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

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

    • TSB #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 #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 #PIT3219F

      Date Announced:
      MAY 13, 2019
      NHTSA ID:
      #10161011

      This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the ... Read More »

    • TSB #PIT5540A

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

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

    • TSB #PIT5526C

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10156950

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

    • TSB #PIT5386E

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

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

    • TSB #PIT5282E

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

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

    • TSB #PIT5287E

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

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

    • TSB #PIT5391E

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

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

    • TSB #PIT5326C

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

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

    • TSB #PIP5159C

      Date Announced:
      OCT 29, 2018
      NHTSA ID:
      #10149051

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »

    • TSB #PIT5359C

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

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

    • TSB #PIP5491A

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

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

    • TSB #PIP5553A

      Date Announced:
      SEP 11, 2018
      NHTSA ID:
      #10145475

      This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Read More »

    • TSB #PIT5513G

      Date Announced:
      SEP 06, 2018
      NHTSA ID:
      #10145468

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

    • TSB #PIT5386D

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

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

    • TSB #PIP5304B

      Date Announced:
      AUG 14, 2018
      NHTSA ID:
      #10144458

      This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Read More »

    • TSB #PIT5513F

      Date Announced:
      JUL 30, 2018
      NHTSA ID:
      #10143784

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

    • TSB #PIT5232E

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

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

    • TSB #PIT5513E

      Date Announced:
      APR 30, 2018
      NHTSA ID:
      #10137530

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

    • TSB #PIT5308C

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137521

      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 #PIP5432A

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137522

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

    • TSB #PIP5430C

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137512

      This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 restriction has ended. Read More »

    • TSB #PIP5562

      Date Announced:
      MAR 20, 2018
      NHTSA ID:
      #10137192

      This Preliminary information communicates to the dealer technicain a concern with the GPCM service parts(12687698 and 12671083) for 2017 – 2018 vehicles with the 6.6 L5P diesel. Read More »

    • TSB #PIT5287D

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129877

      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 #PIP4670E

      Date Announced:
      FEB 05, 2018
      NHTSA ID:
      #10129857

      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 #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. 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 #PIT5326B

      Date Announced:
      DEC 06, 2017
      NHTSA ID:
      #10126950

      This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. 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 #17NA142

      Date Announced:
      NOV 27, 2017
      NHTSA ID:
      #10139085

      This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility. Read More »

    • TSB #PIT5599

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125125

      This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle. 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 #PIT5288F

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123279

      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 #PIT5386C

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123259

      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 #PIT5298B

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123251

      This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #PIC5650C

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123252

      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 #PIP5430B

      Date Announced:
      OCT 06, 2017
      NHTSA ID:
      #10123228

      This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 will be placed on a parts restriction through the General ... Read More »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIT5206F

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123219

      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 #PIT5445B

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157033

      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 #PIP5481A

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157013

      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 #PIC6296

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10137697

      This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. 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:HAND HEATER:WIRING HARNESS

    • TSB #PIT5962A

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

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

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

    • TSB #20-NA-132

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

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

    • TSB #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 #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 #PIT5232D

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123216

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

    • TSB #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 #PIT5521A

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157029

      This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done. Read More »

    • TSB #17-NA-227

      Date Announced:
      JUL 14, 2017
      NHTSA ID:
      #10126097

      This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement. Read More »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    • TSB #PIP5553

      Date Announced:
      FEB 02, 2018
      NHTSA ID:
      #10129856

      This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Read More »

    ELECTRICAL SYSTEM:WIRING

    • 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 #PIP5335B

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143439

      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 #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 #PIT5311D

      Date Announced:
      MAR 26, 2018
      NHTSA ID:
      #10137201

      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 #PIT5282D

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137167

      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 #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 »

    • TSB #PIT5521A

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157029

      This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done. Read More »

    • TSB #PIT5241E

      Date Announced:
      SEP 15, 2017
      NHTSA ID:
      #10157010

      This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #PIC5650K

      Date Announced:
      MAY 15, 2023
      NHTSA ID:
      #10237659

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

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #PIT5438E

      Date Announced:
      OCT 29, 2018
      NHTSA ID:
      #10149053

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Read More »

    • TSB #PIT5195D

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137202

      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 »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

    • TSB #07-08-49-020R

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244214

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

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

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20-NA-132

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

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

    • TSB #PIP5632G

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10230683

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

    • TSB #PIP4902Q

      Date Announced:
      DEC 02, 2022
      NHTSA ID:
      #10230682

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

    • TSB #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 #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 #PIT5599

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125125

      This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle. 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 #PIP5508A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123256

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »

    • TSB #PIC5492F

      Date Announced:
      OCT 05, 2017
      NHTSA ID:
      #10123227

      This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface ... Read More »

    • TSB #PIT5359B

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123215

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

    • TSB #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 #PIT5350A

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157023

      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 #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 »

    • TSB #17-NA-242

      Date Announced:
      JUL 24, 2017
      NHTSA ID:
      #10126111

      This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed. Read More »

    • TSB #PIC5588D

      Date Announced:
      JUN 12, 2017
      NHTSA ID:
      #10118256

      This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. Read More »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

    • TSB #22NA012

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10212628

      This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM

    • TSB #N212346580-01

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

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

    EXTERIOR LIGHTING

    • TSB #02-08-42-001J

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249011

      This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage. Read More »

    • TSB #01-08-42-001P

      Date Announced:
      MAY 03, 2023
      NHTSA ID:
      #10236041

      This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines. Read More »

    • TSB #01-08-42-001O

      Date Announced:
      FEB 15, 2023
      NHTSA ID:
      #10232136

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

    • TSB #PIP4138Q

      Date Announced:
      JAN 24, 2018
      NHTSA ID:
      #10129093

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »

    • TSB #PIP5308B

      Date Announced:
      JAN 15, 2018
      NHTSA ID:
      #10129065

      This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #PIT5412D

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

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

    • TSB #PIT3219F

      Date Announced:
      MAY 13, 2019
      NHTSA ID:
      #10161011

      This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the ... Read More »

    • TSB #PIT5412C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129077

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

    EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

    • TSB #PIT5412C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129077

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

    EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH

    • TSB #PIT3219E

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137526

      This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the ... 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 #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:CRITICAL FASTENERS

    • TSB #PI0754F

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232283

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

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #DOR-D8C4T-03

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

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

    • TSB #DOR-E2P5T-03

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

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

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260E

      Date Announced:
      APR 19, 2022
      NHTSA ID:
      #10211770

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

    • 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:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #PIT5099G

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10247780

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

    • TSB #12-01-37-001F

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

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

    • TSB #PIT5099F

      Date Announced:
      JUN 13, 2022
      NHTSA ID:
      #10216361

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

    • TSB #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:ELECTRICAL HEATING ELEMENT

    • TSB #PIP5540J

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10230697

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

    AIR BAGS

    • TSB #PIT5457C

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143433

      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 #PIT5481C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129082

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    SEAT BELTS

    • TSB #99-09-40-005I

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10239755

      This service bulletin provides information on availability for a seat belt extender. Read More »

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • 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 »

    SEAT BELTS:FRONT:RETRACTOR

    • TSB #17367-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191044

      The driver?s and front passenger?s seat belt retractors in certain 2017-2018 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different ... Read More »

    • TSB #17367

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191045

      The driver?s and front passenger?s seat belt retractors in certain 2017 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different ... Read More »

    STRUCTURE

    • TSB #PI0281K

      Date Announced:
      JAN 18, 2024
      NHTSA ID:
      #10250244

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

    • TSB #99-08-51-001F

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239124

      This service bulletin provides information on Paintless Dent Repair Process. Read More »

    • TSB #PI0281J

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

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

    • TSB #22-NA-018

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234147

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #PI0754F

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232283

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

    • TSB #99-00-89-019X

      Date Announced:
      OCT 04, 2022
      NHTSA ID:
      #10224831

      This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

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

    • TSB #12-08-51-002N

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209136

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #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 #PIT5576C

      Date Announced:
      SEP 26, 2019
      NHTSA ID:
      #10165905

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

    • TSB #PIT5272B

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

      This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Read More »

    • TSB #PIP5491A

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

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

    • TSB #PIT5576B

      Date Announced:
      SEP 14, 2018
      NHTSA ID:
      #10145483

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

    • TSB #PIT3098F

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10129889

      This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Read More »

    • TSB #PIT5412C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129077

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

    • 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 »

    • TSB #PIP5395C

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123254

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #PIT4745D

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157021

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

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

    STRUCTURE:BODY

    • TSB #PIP5489B

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10129887

      This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion. Read More »

    • TSB #PIT4745D

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157021

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #PIT5341C

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10126955

      This Preliminary Information communication provides information to the technician about owners that want the auto door lock disabled. There is no avalible setting or Body Control Module calibration to turn off the auto door locks. 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 #PIT5570A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123253

      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 #PIT5251C

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157034

      This Preliminary Information communication provides information to the technician about vehicles that may have an EZ Lift and Lower tailgate opens too quickly. Technician will ensure nothing was added to the tailgate. Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS

    • TSB #PIT5251C

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157034

      This Preliminary Information communication provides information to the technician about vehicles that may have an EZ Lift and Lower tailgate opens too quickly. Technician will ensure nothing was added to the tailgate. 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 »

    TIRES

    • TSB #PIT4506G

      Date Announced:
      FEB 02, 2024
      NHTSA ID:
      #10251681

      This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »

    • TSB #20-NA-159

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244202

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

    • TSB #20-NA-159

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233338

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

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #PIT3271N

      Date Announced:
      NOV 29, 2022
      NHTSA ID:
      #10227674

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

    • TSB #PIT4261H

      Date Announced:
      JUL 01, 2022
      NHTSA ID:
      #10217762

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

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

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

    • TSB #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 #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 #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:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

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

    WHEELS

    • TSB #00-03-10-006P

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253770

      This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #17-NA-052

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253526

      This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »

    • TSB #03-00-91-001I

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

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

    • TSB #20-NA-159

      Date Announced:
      OCT 30, 2023
      NHTSA ID:
      #10245250

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

    • TSB #17-NA-170

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10244274

      This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »

    • TSB #20-NA-159

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244202

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

    • TSB #12-03-10-001E

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237340

      This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »

    • TSB #17-NA-170

      Date Announced:
      APR 27, 2023
      NHTSA ID:
      #10235799

      This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »

    • TSB #12-03-10-001D

      Date Announced:
      APR 21, 2023
      NHTSA ID:
      #10235716

      This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »

    • TSB #21-NA-043

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

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

    • TSB #20-NA-159

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233338

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

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

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

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #22-NA-257

      Date Announced:
      DEC 23, 2022
      NHTSA ID:
      #10228912

      This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process. Read More »

    • TSB #PIT3271N

      Date Announced:
      NOV 29, 2022
      NHTSA ID:
      #10227674

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

    • TSB #20-NA-159

      Date Announced:
      JUN 06, 2022
      NHTSA ID:
      #10214501

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

    • TSB #21-NA-043

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

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

    • TSB #20-NA-159

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212910

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

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

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

    • TSB #RFI20210526_939-

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10195333

      The complete Communication ID is: RFI20210526_939-187 and was communicated to customers on May 26, 2021. The Communication ID field did not permit me to enter the complete Communication ID as it is in our internal system. Read More »

    • TSB #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 #PIT5451C

      Date Announced:
      FEB 25, 2019
      NHTSA ID:
      #10154323

      This Preliminary Information communication provides information to the technician about vehicles that have a vibration at highway speed. Technician will need to replace the wheel for a rolled lip of aluminum in the hub opening. Read More »

    • TSB #PIT4745E

      Date Announced:
      JUL 31, 2018
      NHTSA ID:
      #10143789

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #PIT3271H

      Date Announced:
      JAN 23, 2018
      NHTSA ID:
      #10129089

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

    • TSB #PIT5233D

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129080

      This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »

    • TSB #PIT5451B

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10129053

      This Preliminary Information communication provides information to the technician about vehicles that have a vibration at highway speed. Technician will need to replace the wheel for a rolled lip of aluminum in the hub opening. 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 #PIT4745D

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157021

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • 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 »

    TRAILER HITCHES

    • TSB #PIT5509J

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10236167

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

    • TSB #PIT5282E

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

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

    • TSB #PIT5241F

      Date Announced:
      SEP 10, 2018
      NHTSA ID:
      #10145469

      This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »

    • 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 »

    TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

    • TSB #PIT5432B

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141368

      This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Read More »

    SEATS

    • TSB #PIT5624

      Date Announced:
      JUL 23, 2018
      NHTSA ID:
      #10143777

      This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control Module. Read More »

    • 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

    • TSB #PIT4322J

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145500

      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 »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIT4322P

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251708

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

    • TSB #PIT4322M

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10208053

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

    • TSB #PIT4322K

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

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

    • TSB #PIT5481C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129082

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #PIT4322H

      Date Announced:
      SEP 15, 2017
      NHTSA ID:
      #10157009

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

    FORWARD COLLISION AVOIDANCE

    • TSB #PIT5551N

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251704

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

    • TSB #PIT5551E

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165868

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

    • TSB #N192209920

      Date Announced:
      JUN 18, 2019
      NHTSA ID:
      #10164105

      Certain vehicles, may have incorrect language in the Forward Auto Braking (FAB) section of the owner manual which states, ?If the vehicle has Forward Collision Alert (FCA), it also has FAB which includes Intelligent Brake Assist (IBA)?. Read More »

    • TSB #PIT5551D

      Date Announced:
      MAY 15, 2019
      NHTSA ID:
      #10161019

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

    FORWARD COLLISION AVOIDANCE: SENSING SYSTEM

    • TSB #PIT5551B

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123280

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

    LANE DEPARTURE

    • TSB #PIT5535D

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10163657

      This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »

    • TSB #PIT5481D

      Date Announced:
      AUG 20, 2018
      NHTSA ID:
      #10144464

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #PIT5481C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10129082

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    LANE DEPARTURE: WARNING

    • TSB #PIT5535C

      Date Announced:
      JUL 06, 2018
      NHTSA ID:
      #10143756

      This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »

    LANE DEPARTURE: ASSIST

    • TSB #PIT5527A

      Date Announced:
      OCT 30, 2017
      NHTSA ID:
      #10123286

      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 »

    LANE DEPARTURE: LANE KEEP: STEERING ASSIST

    • TSB #PIT5535C

      Date Announced:
      JUL 06, 2018
      NHTSA ID:
      #10143756

      This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »

    LANE DEPARTURE: SENSING SYSTEM: CAMERA

    • TSB #PIT5535C

      Date Announced:
      JUL 06, 2018
      NHTSA ID:
      #10143756

      This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »

    BACK OVER PREVENTION

    • TSB #PIT5386J

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10249298

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

    • TSB #17-NA-331

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233847

      This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »

    • TSB #17-NA-331

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232141

      This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »

    • TSB #PIT5386H

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231646

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

    • TSB #PIT5386G

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

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

    • TSB #PIT5386E

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

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

    • TSB #PIP5168F

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129067

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »

    • TSB #PIP5543

      Date Announced:
      JAN 10, 2018
      NHTSA ID:
      #10129058

      This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues. Read More »

    • TSB #PIT5386C

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123259

      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 #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: BACK-UP ALARM

    • TSB #PIT5386C

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123259

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

    BACK OVER PREVENTION: CAMERA SYSTEM

    • TSB #PIT5552A

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10129056

      This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... 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 #PIT5552B

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129881

      This Preliminary information communicates repair information for therear 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 #17435

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191109

      and/or repairs. Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with BYOM2 Radio with camera ON option (RPO 5F9, IOB), may have been built with the rearview camera OFF due to an incorrect ... 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 »

    COMMUNICATION

    • TSB #PIT5245C

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10129064

      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 #PIT5552A

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10129056

      This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... Read More »

    • TSB #PIP3343F

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10129057

      This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #PIP4902P

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208034

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

    EQUIPMENT

    • TSB #20-NA-132

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

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

    • TSB #17-NA-052

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253526

      This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »

    • TSB #20-NA-132

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

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

    • TSB #07-00-89-037S

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251888

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #11-00-89-005X

      Date Announced:
      MAR 10, 2024
      NHTSA ID:
      #10251889

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

    • TSB #23-NA-219

      Date Announced:
      DEC 12, 2023
      NHTSA ID:
      #10247552

      This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »

    • TSB #20-NA-132

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

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

    • TSB #22-NA-225

      Date Announced:
      OCT 17, 2023
      NHTSA ID:
      #10245200

      This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »

    • TSB #23-NA-065

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10245201

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #23-NA-154

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244174

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

    • TSB #07-08-49-020R

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244214

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

    • TSB #18-NA-306

      Date Announced:
      AUG 18, 2023
      NHTSA ID:
      #10242207

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

    • TSB #09-00-89-016H

      Date Announced:
      AUG 15, 2023
      NHTSA ID:
      #10242206

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

    • TSB #23-NA-065

      Date Announced:
      AUG 14, 2023
      NHTSA ID:
      #10242243

      This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »

    • TSB #01-00-89-010R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241415

      This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #21-NA-026

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10239658

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

    • TSB #23-NA-125

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239645

      This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. Read More »

    • TSB #16-NA-158

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10238190

      This service bulletin describes the U.S. Dealer Special Tool Loan Program process. Read More »

    • TSB #22-NA-244

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237349

      This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #10-08-110-001J

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234620

      This service bulletin provides information on proper use of floor mats. Read More »

    • TSB #20-NA-132

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

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

    • TSB #22-NA-018

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234147

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #17-NA-331

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233847

      This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »

    • TSB #23-NA-044

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10233358

      This service bulletin provides information on AGM batteries that require less frequent charging in storage. Read More »

    • TSB #15-NA-017

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232469

      This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »

    • TSB #17-NA-331

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232141

      This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

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

    • TSB #21-NA-068

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231374

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #22-NA-244

      Date Announced:
      DEC 07, 2022
      NHTSA ID:
      #10228192

      This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #21-NA-068

      Date Announced:
      SEP 08, 2022
      NHTSA ID:
      #10222661

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #05-00-89-029E

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220308

      This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #22-NA-143

      Date Announced:
      JUL 15, 2022
      NHTSA ID:
      #10216054

      This service bulletin provides information for dealers/technicians on Handsfree Apple Iphone Call Static conditions equipped with IOB Radio. Read More »

    • TSB #PIT5569B

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

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

    • TSB #PIT4261H

      Date Announced:
      JUL 01, 2022
      NHTSA ID:
      #10217762

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

    • TSB #22-NA-135

      Date Announced:
      JUN 28, 2022
      NHTSA ID:
      #10215655

      This warranty admin bulletin covers information on Essential Tools that include Consumable Parts. Read More »

    • TSB #12-01-37-001F

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

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

    • TSB #21-NA-026

      Date Announced:
      JUN 21, 2022
      NHTSA ID:
      #10215626

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

    • TSB #16-NA-109

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

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

    • TSB #22-NA-106

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213252

      This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »

    • TSB #22-NA-070

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210841

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #01-00-89-010P

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10210543

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #22-NA-070

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209977

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #12-08-51-002N

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209136

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIT5746B

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210319

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

    • TSB #20NA203

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

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

    • TSB #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 #070089037P

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200088

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #100089006H

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200090

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #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 #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 #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 #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 #20NA043

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

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

    • TSB #20NA006

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

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

    • TSB #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 #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 #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 #DORD8R3N09

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10165334

      This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. Read More »

    • TSB #N192209920

      Date Announced:
      JUN 18, 2019
      NHTSA ID:
      #10164105

      Certain vehicles, may have incorrect language in the Forward Auto Braking (FAB) section of the owner manual which states, ?If the vehicle has Forward Collision Alert (FCA), it also has FAB which includes Intelligent Brake Assist (IBA)?. 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 #PIP5541A

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

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

    • TSB #PIT5298C

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147377

      This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #PIT5586B

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

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

    • TSB #PIP5489C

      Date Announced:
      AUG 23, 2018
      NHTSA ID:
      #10144469

      This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion. Read More »

    • TSB #PIP5304B

      Date Announced:
      AUG 14, 2018
      NHTSA ID:
      #10144458

      This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Read More »

    • TSB #PIT5232E

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

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

    • TSB #PIP5572

      Date Announced:
      JUN 26, 2018
      NHTSA ID:
      #10143458

      This Preliminary information communicates to the dealer technicians that injector timing related DTCs are being investigated and to not replace injectors for DTCs. Read More »

    • TSB #PIT5411M

      Date Announced:
      JUN 08, 2018
      NHTSA ID:
      #10143427

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »

    • TSB #PIT5432B

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141368

      This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Read More »

    • TSB #PIP5565

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137525

      This Preliminary information communicates that GM engineering is investigating the root cause of DTC P140B setting. Read More »

    • TSB #PIC6328A

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137513

      This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle. Read More »

    • TSB #PIT5511B

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129879

      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 #PIP5540

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10129051

      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 #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 #010601011J

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139088

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

    • TSB #17NA142

      Date Announced:
      NOV 27, 2017
      NHTSA ID:
      #10139085

      This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility. 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 #17367-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191044

      The driver?s and front passenger?s seat belt retractors in certain 2017-2018 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different ... Read More »

    • TSB #17367

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191045

      The driver?s and front passenger?s seat belt retractors in certain 2017 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different ... Read More »

    • TSB #17435

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191109

      and/or repairs. Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with BYOM2 Radio with camera ON option (RPO 5F9, IOB), may have been built with the rearview camera OFF due to an incorrect ... Read More »

    • TSB #PIT3946B

      Date Announced:
      OCT 30, 2017
      NHTSA ID:
      #10123284

      This Preliminary Information communicates an issues with the headliner sagging and how to reattachthe velcrousing Hardman Double Bubble Epoxy part number 04001. 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 #PIT5288F

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123279

      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 #PIT5570A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123253

      This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed. Read More »

    • TSB #PIP5395C

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123254

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »

    • TSB #PIT5545A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123250

      This Preliminary information communicatesContent Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. Read More »

    • TSB #PIT5298B

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123251

      This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »

    • TSB #PIC5650C

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123252

      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 #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190321

      Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. 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 #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190336

      Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »

    • TSB #150089005A

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

      Essential Tools that Include Consumable Parts (U.S. Only) 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 #PIT5251C

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157034

      This Preliminary Information communication provides information to the technician about vehicles that may have an EZ Lift and Lower tailgate opens too quickly. Technician will ensure nothing was added to the tailgate. 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 #PIT5403D

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157012

      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 #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 #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 #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

      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 »

    • TSB #PIC6296A

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137747

      This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #12-00-89-003B

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

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

    • TSB #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 #PIT5511C

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10156936

      This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »

    • TSB #PIT5553B

      Date Announced:
      FEB 25, 2019
      NHTSA ID:
      #10154318

      This Preliminary information communicates Operational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster. Read More »

    • TSB #030603004X

      Date Announced:
      JAN 24, 2019
      NHTSA ID:
      #10154626

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

    • TSB #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 #PIT5386D

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

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

    • TSB #PIP5304B

      Date Announced:
      AUG 14, 2018
      NHTSA ID:
      #10144458

      This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Read More »

    • TSB #PIT5457C

      Date Announced:
      JUN 12, 2018
      NHTSA ID:
      #10143433

      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 #PIC6328

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137492

      This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle. Read More »

    • TSB #PIT5553A

      Date Announced:
      FEB 09, 2018
      NHTSA ID:
      #10129880

      This Preliminary information communicatesOperational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster. 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 #PIC5839D

      Date Announced:
      DEC 06, 2017
      NHTSA ID:
      #10126951

      This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. 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 »

    • TSB #PIC6296A

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137747

      This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIT5545C

      Date Announced:
      FEB 20, 2019
      NHTSA ID:
      #10154310

      This Preliminary information communicates Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. Read More »

    • TSB #PIT5545A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123250

      This Preliminary information communicatesContent Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIT5359C

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

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

    • TSB #PIT5387F

      Date Announced:
      JUL 18, 2018
      NHTSA ID:
      #10143767

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

    • TSB #PIT5411L

      Date Announced:
      APR 10, 2018
      NHTSA ID:
      #10137495

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »

    • TSB #PIT5586A

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137205

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

    • TSB #PIT5411K

      Date Announced:
      MAR 13, 2018
      NHTSA ID:
      #10137183

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »

    • TSB #PIT5411J

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10129862

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... 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 »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIT5359B

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123215

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

    • TSB #PIT5411H

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10137733

      This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIT6122

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10250006

      This Preliminary information communicates to dealers of a known issue with failed map update Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT

    • TSB #PIT5387N

      Date Announced:
      APR 17, 2023
      NHTSA ID:
      #10236154

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

    EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

    • TSB #N212346580-01

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

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

    EQUIPMENT:MECHANICAL

    • TSB #04-06-04-051F

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209734

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

    • TSB #PIP5212A

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10137701

      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 »

    EQUIPMENT:OTHER:LABELS

    • 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 #20-NA-132

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

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

    • TSB #23-NA-103

      Date Announced:
      MAR 21, 2024
      NHTSA ID:
      #10252126

      This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »

    • TSB #24-NA-040

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10251635

      This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. Read More »

    • TSB #18-NA-099

      Date Announced:
      JAN 16, 2024
      NHTSA ID:
      #10249590

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

    • TSB #PIP5601B

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249980

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

    • TSB #23-NA-219

      Date Announced:
      DEC 12, 2023
      NHTSA ID:
      #10247552

      This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »

    • TSB #05-00-89-029F

      Date Announced:
      OCT 11, 2023
      NHTSA ID:
      #10244326

      This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #99-00-89-019Y

      Date Announced:
      OCT 03, 2023
      NHTSA ID:
      #10244315

      This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »

    • TSB #02-00-89-002W

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244200

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). Read More »

    • TSB #10-00-89-006J

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244201

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #23-NA-154

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243717

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

    • TSB #18-NA-306

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10242842

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

    • TSB #PIP5358C

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240793

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #23-NA-103

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10237960

      This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »

    • TSB #02-00-89-002V

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237841

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #04-00-89-015Z

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10235713

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

    • TSB #11-00-89-005V

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234621

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

    • TSB #17-NA-073

      Date Announced:
      FEB 21, 2023
      NHTSA ID:
      #10232287

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18-NA-146

      Date Announced:
      FEB 20, 2023
      NHTSA ID:
      #10232288

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #18-NA-263

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232143

      This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB # 02-00-89-002U

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231302

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #09-00-89-008F

      Date Announced:
      DEC 21, 2022
      NHTSA ID:
      #10228906

      This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »

    • TSB #PIT5746C

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10230695

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

    • TSB #PIP5632G

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10230683

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

    • TSB #PIP4902Q

      Date Announced:
      DEC 02, 2022
      NHTSA ID:
      #10230682

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

    • TSB #10-00-89-006I

      Date Announced:
      OCT 07, 2022
      NHTSA ID:
      #10224820

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #22-NA-195

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10222839

      This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada. Read More »

    • TSB #01-00-89-010Q

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222733

      This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #11-00-89-005U

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222649

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

    • TSB #18-NA-306

      Date Announced:
      AUG 25, 2022
      NHTSA ID:
      #10219284

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

    • TSB #11-00-89-005T

      Date Announced:
      AUG 22, 2022
      NHTSA ID:
      #10219278

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

    • TSB #04-00-89-015X

      Date Announced:
      JUL 22, 2022
      NHTSA ID:
      #10217043

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

    • TSB #18-NA-306

      Date Announced:
      JUL 18, 2022
      NHTSA ID:
      #10217048

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

    • TSB #22-NA-070

      Date Announced:
      JUN 24, 2022
      NHTSA ID:
      #10215628

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #22-NA-106

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213252

      This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »

    • TSB #18-NA-099

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213022

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

    • TSB #22NA018

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10212633

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #N192264210

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

      Customer Satisfaction Program Closed Message sent. Read More »

    • TSB #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 #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

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

    • TSB #000310003Z

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

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

    • TSB #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 #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #19NA232

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168238

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

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

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #PIT4529E

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10164754

      This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options. Read More »

    • TSB #PIT5526C

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10156950

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

    • TSB #PIP5526A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10156933

      This Preliminary Information communication advises the technician that the Product Quality Center part restriction has ended for the 8L45 and 8L90 park actuator rod. 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 #PIT3946B

      Date Announced:
      OCT 30, 2017
      NHTSA ID:
      #10123284

      This Preliminary Information communicates an issues with the headliner sagging and how to reattachthe velcrousing Hardman Double Bubble Epoxy part number 04001. Read More »

    • TSB #PIP5526

      Date Announced:
      OCT 20, 2017
      NHTSA ID:
      #10123270

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the 8L45 and 8L90 park actuator rod. Read More »

    • TSB #PIP5468E

      Date Announced:
      OCT 09, 2017
      NHTSA ID:
      #10123231

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Read More »

    • TSB #PIP5468D

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123220

      This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Read More »

    • TSB #PIP5510B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123221

      This Preliminary information communicates to the dealer technicians aprocedure to determine if the vehicle'sSCR system is healthy. Read More »

    • TSB #070849020M

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190320

      IPC Odometer Programming Method Quick Reference Guide Read More »

    • TSB #PIT5241E

      Date Announced:
      SEP 15, 2017
      NHTSA ID:
      #10157010

      This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »

    • TSB #17-NA-170

      Date Announced:
      JUL 31, 2017
      NHTSA ID:
      #10126081

      This informational bulletin explains the Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #04-00-89-015P

      Date Announced:
      JUL 25, 2017
      NHTSA ID:
      #10126065

      This warranty administration bulletin provide policy information on required operating procedures. 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 #090089002R

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175854

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

    • TSB #20NA043

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

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

    • TSB #20NA006

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

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

    • TSB #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 #PIT5586B

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

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

    • TSB #PIP5489C

      Date Announced:
      AUG 23, 2018
      NHTSA ID:
      #10144469

      This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion. Read More »

    • TSB #17367-01

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191044

      The driver?s and front passenger?s seat belt retractors in certain 2017-2018 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different ... Read More »

    • TSB #17367

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191045

      The driver?s and front passenger?s seat belt retractors in certain 2017 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different ... Read More »

    • TSB #17435

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10191109

      and/or repairs. Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with BYOM2 Radio with camera ON option (RPO 5F9, IOB), may have been built with the rearview camera OFF due to an incorrect ... Read More »

    • TSB #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190321

      Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. 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 #140089004D

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190336

      Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »

    • TSB #150089005A

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

      Essential Tools that Include Consumable Parts (U.S. Only) 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 #PIT5445B

      Date Announced:
      SEP 25, 2017
      NHTSA ID:
      #10157033

      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 #PIT5403D

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10157012

      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 #PIP5487A

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156994

      This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIT5387F

      Date Announced:
      JUL 18, 2018
      NHTSA ID:
      #10143767

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

    • TSB #18185

      Date Announced:
      MAY 30, 2018
      NHTSA ID:
      #10143421

      18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. Read More »

    • TSB #18185

      Date Announced:
      MAY 30, 2018
      NHTSA ID:
      #10143733

      18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. Read More »

    UNKNOWN OR OTHER

    • TSB #17-NA-073

      Date Announced:
      MAR 01, 2024
      NHTSA ID:
      #10251513

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIT5962A

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

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

    • TSB #11-00-89-005W

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10235798

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

    • TSB #11-00-89-005V

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234621

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

    • TSB #PI0754F

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232283

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

    • TSB #01-00-89-010O

      Date Announced:
      APR 05, 2022
      NHTSA ID:
      #10210194

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #090604026V

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10215770

      Information. Read More »