Technical Service Bulletins (TSBs) for the 2018 Sierra 2500 are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #16NA109

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

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

    • TSB #PIT5544D

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

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

    • TSB #20NA113

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

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

    • TSB #20NA006

      Date Announced:
      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 #PIT5544C

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

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

    • TSB #16NA109

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

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

    • TSB #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 #PIT5544B

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

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

    • 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 #PIT5544A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123247

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

    • 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:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

    • TSB #PIE0430

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140416

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a service power steering message displayed and or a power steering fluid leak. Read More »

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #PIT5544B

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

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

    SUSPENSION

    • TSB #PIT5214E

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

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

    • TSB #050308002I

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

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

    • TSB #20NA212

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

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

    • TSB #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 #99-04-20-002J

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

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

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #060309004N

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

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

    • TSB #18NA183

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

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

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #150089004B

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

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

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004B

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

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

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #150089004B

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

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

    TRACTION CONTROL SYSTEM

    • TSB #PIE0456

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137396

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC ... Read More »

    BRAKES (PWS)

    • TSB #20NA101

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

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

    • TSB #PIT3665H

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

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

    • TSB #19NA116

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

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

    • TSB #19NA116

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

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

    • TSB #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 #18NA067

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137297

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

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #19NA116

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

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

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

    • TSB #PIE0456A

      Date Announced:
      APR 10, 2018
      NHTSA ID:
      #10137609

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC ... Read More »

    SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE

    • TSB #N182202780 01

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

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

    SERVICE BRAKES, AIR:DISC:PADS

    • TSB #19NA116

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

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

    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #PIT3271J

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

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

    • TSB #PIE0456

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137396

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC ... Read More »

    PARKING BRAKE

    • TSB #19NA136

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

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

    • TSB #19NA035

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

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

    • TSB #PIT5507E

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

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

    • TSB #PI1410B

      Date Announced:
      MAY 19, 2017
      NHTSA ID:
      #10137680

      This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on. 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 »

    ENGINE (PWS)

    • TSB #21NA109

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

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

    • TSB #19NA044

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

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

    • TSB #000601026N

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

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

    • TSB #18NA073

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

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

    • TSB #060089031F

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

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

    • TSB #20NA212

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

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

    • TSB #19NA187

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

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

    • TSB #17NA393

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

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #16NA222

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

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

    • TSB #20NA185

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

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

    • TSB #20NA176

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

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

    • TSB #16NA338

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

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

    • TSB #PIP5226D

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

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

    • TSB #PIP5684B

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

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

    • TSB #PIP5504F

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

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

    • TSB #PIP5733

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

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

    • TSB #030601023D

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

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

    • TSB #140604004G

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

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

    • TSB #PIP5628B

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

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

    • TSB #20NA098

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

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

    • TSB #150601002J

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

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

    • TSB #19NA153

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

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

    • TSB #18NA355

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

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

    • TSB #150601002I

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

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

    • TSB #19NA219

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

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

    • TSB #040601029J

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

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

    • TSB #20NA038

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

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

    • TSB #20NA043

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

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

    • TSB #18NA073

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

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

    • TSB #19NA212

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

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

    • TSB #PIP5531A

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

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

    • TSB #19NA212

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

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

    • TSB #18NA137

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

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

    • TSB #PIP5540E

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

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

    • TSB #16NA376

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

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

    • TSB #17NA374

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

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

    • TSB #19NA108

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

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

    • TSB #18NA150

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

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

    • TSB #19NA108

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

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

    • TSB #PIP5640

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10160987

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

    • TSB #PIP5226C

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10160983

      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 #140604004E

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

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

    • TSB #17NA166

      Date Announced:
      APR 18, 2019
      NHTSA ID:
      #10160087

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

    • TSB #16NA111

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158781

      This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting. Read More »

    • TSB #150601002H

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

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

    • TSB #19NA044

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

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

    • TSB #18NA334

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

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

    • TSB #PIP5163D

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144451

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

    • TSB #PIP5373B

      Date Announced:
      JUN 11, 2018
      NHTSA ID:
      #10143429

      This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. Read More »

    • TSB #060089031E

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137383

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

    • TSB #18NA073

      Date Announced:
      MAR 08, 2018
      NHTSA ID:
      #10137301

      This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement. Read More »

    • TSB #PIT4529D

      Date Announced:
      MAR 05, 2018
      NHTSA ID:
      #10137170

      This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options. Read More »

    • TSB #16NA338

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137283

      This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »

    • TSB #090604015C

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137343

      This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years. Read More »

    • TSB #090604026N

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137344

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »

    • TSB #18NA037

      Date Announced:
      FEB 05, 2018
      NHTSA ID:
      #10137321

      This Bulletin provides ECM reprogramming information to Correct DTC P2101. 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 #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 #150089005A

      Date Announced:
      OCT 25, 2017
      NHTSA ID:
      #10134594

      This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). 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 #070601016D

      Date Announced:
      SEP 05, 2017
      NHTSA ID:
      #10159574

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

    • TSB #16-NA-372

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140303

      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 #17-NA-253

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140379

      This informational bulletin provides information for specification with the engine oil for the Duramax 6.6L engine. Read More »

    • TSB #PIP5163C

      Date Announced:
      AUG 21, 2017
      NHTSA ID:
      #10137727

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

    • TSB #00-06-01-012G

      Date Announced:
      MAY 17, 2017
      NHTSA ID:
      #10137601

      This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #PIT5245D

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

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

    • TSB #21NA113

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

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

    • TSB #19NA044

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

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

    • TSB #21NA109

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

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

    • TSB #20NA138

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

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

    • TSB #20NA212

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

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

    • TSB #150601002K

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

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

    • TSB #010601011L

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

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

    • TSB #17NA166

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

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

    • TSB #17NA166

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

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

    • TSB #090604026S

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

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

    • TSB #19NA136

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

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

    • TSB #18NA098

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

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

    • TSB #20NA213

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

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

    • TSB #18NA150

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

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

    • TSB #PIP5628C

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

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

    • TSB #20NA181

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

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

    • TSB #20NA166

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

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

    • TSB #PIP5684A

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

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

    • TSB #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 #PIC5650G

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

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

    • TSB #PIP5719A

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

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

    • TSB #140604004F

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

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

    • TSB #PIP5540F

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

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

    • TSB #PIP5370E

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

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

    • TSB #N192264210

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

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

    • TSB #18NA361

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

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

    • TSB #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 #19NA219

      Date Announced:
      SEP 20, 2019
      NHTSA ID:
      #10166659

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

    • TSB #19NA212

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

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

    • TSB #17NA166

      Date Announced:
      SEP 11, 2019
      NHTSA ID:
      #10166640

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

    • TSB #19NA187

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

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

    • TSB #090604026R

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

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

    • TSB #000601026M

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

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

    • TSB #070601016F

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

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

    • TSB #18NA098

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

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

    • TSB #PIP5335C

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

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

    • TSB #PIP5540D

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

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

    • TSB #PIP5628

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

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

    • TSB #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 #18NA125

      Date Announced:
      APR 19, 2018
      NHTSA ID:
      #10137589

      This informational bulletin provides information for engine oil life monitor operation calculation. Read More »

    • TSB #18NA098

      Date Announced:
      APR 05, 2018
      NHTSA ID:
      #10137536

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

    • TSB #18NA006

      Date Announced:
      JAN 25, 2018
      NHTSA ID:
      #10139245

      The technical bulletin provides a procedure for inspecting and performing a cooling system purge if the cooling system has been found low on coolant. 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 #17NA110

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139226

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

    • TSB #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 #000601012H

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159569

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

    • TSB #00-06-01-026J

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140293

      This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090604026S

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

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

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

    • TSB #PI0653E

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10139284

      This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #N192264210

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

      Customer Satisfaction Program Closed Message sent. Read More »

    • TSB #030604017O

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

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

    • TSB #16NA372

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

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

    • TSB #16NA376

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

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

    • TSB #18NA361

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

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

    • TSB #17NA374

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

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

    • TSB #N192264210-02

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

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

    • TSB #16NA372

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137404

      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 #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 #16NA244

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159582

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

    • TSB #17309

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10156982

      17309 - Service Update. On certain vehicles equipped with a Duramax diesel engine (RPO L5P), DTC P2002 may be disabled causing a cracked or inoperative diesel particulate filter to go undetected. Read More »

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

    • TSB #17NA166

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

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #010601011L

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

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR

    • TSB #PIP5540G

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

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

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIP5684B

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

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

    • TSB #18NA006

      Date Announced:
      JAN 25, 2018
      NHTSA ID:
      #10139245

      The technical bulletin provides a procedure for inspecting and performing a cooling system purge if the cooling system has been found low on coolant. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    • TSB #19NA104

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

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

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

    • TSB #18NA103

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

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

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #100605002I

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

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

    • TSB #17NA374

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

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

    • TSB #100605002H

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

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

    • TSB #16NA383

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

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

    • TSB #060605001H

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

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

    • TSB #18NA085

      Date Announced:
      MAR 16, 2018
      NHTSA ID:
      #10137311

      This informational bulletin helps the technician on how to determine the difference in small, med, to large leaks in induction or exhaust systems when using a soapy solution or smoke. Read More »

    • TSB #17NA393

      Date Announced:
      DEC 08, 2017
      NHTSA ID:
      #10139232

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. 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 #100605002E

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159576

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

    • TSB #17-NA-219

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140375

      This technical bulletin provides to the technician a possible issue with the NOx sensor wiring harness and what to do if corrosion is found. Read More »

    • TSB #16-NA-380

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140304

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

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #20NA142

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

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

    • TSB #15NA010

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

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

    • TSB #PIP5572B

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

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

    • TSB #PIP5565B

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

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

    • TSB #PIP4925B

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

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

    • TSB #17NA374

      Date Announced:
      MAR 21, 2018
      NHTSA ID:
      #10137432

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. 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 #060601010D

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139279

      This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. Read More »

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

    • TSB #16NA380

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

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

    • TSB #16NA380

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

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

    • TSB #16NA380

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

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

    • TSB #16NA380

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

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

    FUEL SYSTEM, GASOLINE

    • TSB #18NA361

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

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

    • TSB #19NA153

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

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

    • TSB #17NA204

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

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

    • TSB #PIP5163E

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

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

    • TSB #20NA197

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

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

    • TSB #20NA110

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

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

    • TSB #18NA103

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

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

    • TSB #18NA361

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

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

    • TSB #20NA162

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

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

    • TSB #19NA277

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

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

    • TSB #20NA110

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

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

    • TSB #PIP5725

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

      This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »

    • TSB #19NA153

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

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

    • TSB #19NA277

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

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

    • TSB #17NA302

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

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

    • TSB #18NA137

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

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

    • TSB #18NA361

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

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

    • TSB #18NA361

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

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

    • TSB #18NA103

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10163226

      This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »

    • 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 #050604022P

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

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

    • TSB #18NA334

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

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

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

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

    • TSB #18NA103

      Date Announced:
      APR 05, 2018
      NHTSA ID:
      #10137540

      This Technical Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »

    • TSB #17NA204

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

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

    • TSB #17NA302

      Date Announced:
      JAN 11, 2018
      NHTSA ID:
      #10137270

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

    • TSB #050604022O

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139209

      This informational 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. 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:TANK ASSEMBLY:FILLER PIPE AND CAP

    • TSB #17NA302

      Date Announced:
      JAN 11, 2018
      NHTSA ID:
      #10137270

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

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

    • TSB #21NA124

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

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

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

    • TSB #20NA197

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

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

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

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

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

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

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

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

    • TSB #20NA197

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

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #20NA098

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

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

    • TSB #18NA137

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137597

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

    • TSB #16-NA-383

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137635

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

    FUEL SYSTEM, DIESEL

    • TSB #18NA361

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199237

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

    • TSB #030604017O

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

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

    • TSB #16NA244

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

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

    • TSB #19NA237

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

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

    • TSB #16NA372

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

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

    • TSB #16NA376

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

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

    • TSB #050604022R

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

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

    • TSB #18NA361

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

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

    • TSB #20NA110

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

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

    • TSB #20NA038

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

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

    • TSB #19NA237

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

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

    • TSB #030604017N

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

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

    • TSB #050604022P

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

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

    • TSB #050604022O

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139209

      This informational 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. Read More »

    • TSB #PIP5434B

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

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

    • TSB #16NA372

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

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

    • TSB #16NA244

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159582

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

    • TSB #030604017L

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

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

    FUEL SYSTEM, DIESEL: PRE-HEATER

    • TSB #N192264210-02

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

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

    FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

    • TSB #20NA110

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

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

    FUEL SYSTEM, OTHER

    • TSB #18NA150

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

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

    • TSB #20NA185

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

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

    FUEL SYSTEM, OTHER:STORAGE

    • TSB #PIE0499B

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

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

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #17NA204

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

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

    FUEL SYSTEM, OTHER:KINETIC:CLUTCH

    • TSB #18NA285

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

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

    POWER TRAIN

    • TSB #080730035E

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

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

    • TSB #PIP5621B

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

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

    • TSB #21NA113

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

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

    • TSB #16NA338

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

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

    • TSB #20NA138

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

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

    • TSB #PIT5544D

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

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

    • TSB #20NA212

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

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

    • TSB #19NA153

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

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

    • TSB #16NA019

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

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

    • TSB #16NA019

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

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

    • TSB #19NA187

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

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

    • TSB #20NA187

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

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

    • TSB #16NA019

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181660

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

    • TSB #16NA338

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

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

    • TSB #20NA142

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

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

    • TSB #PIP5504F

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

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

    • TSB #PIP5504E

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

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

    • TSB #20NA138

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

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

    • TSB #19NA035

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

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

    • TSB #18NA355

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

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

    • TSB #19NA153

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

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

    • TSB #PIP5621A

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

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

    • TSB #16NA019

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

      Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #990420002K

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

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

    • TSB #PIE0529A

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

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

    • TSB #16NA338

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

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

    • TSB #16NA361

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

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

    • TSB #19NA153

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

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

    • TSB #PIE0529

      Date Announced:
      AUG 06, 2019
      NHTSA ID:
      #10165135

      This engineering information bulletin is requesting information from the field to validate a field fix. Read More »

    • TSB #PI1344C

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

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

    • TSB #16NA338

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

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

    • TSB #PIT5202E

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

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

    • TSB #18NA355

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161881

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

    • TSB #080730035D

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

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

    • TSB #17NA228

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

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

    • TSB #19NA035

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

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

    • TSB #18NA355

      Date Announced:
      MAR 01, 2019
      NHTSA ID:
      #10158827

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

    • TSB #16NA338

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

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

    • TSB #PIP4021D

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

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

    • TSB #16NA175

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154635

      This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. Read More »

    • TSB #N182188930

      Date Announced:
      JAN 02, 2019
      NHTSA ID:
      #10154256

      N182188930 - Special Coverage. Some vehicles, equipped with a Duramax Diesel engine, the transmission cooler lines may be rubbing on the front frame/bumper mount bracket. This condition could cause the cooler lines to leak. Read More »

    • TSB #17NA066

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

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

    • TSB #PIP4379N

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

      This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Read More »

    • TSB #080730035C

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137554

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. 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 #040730013D

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139089

      This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. 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 #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 #17NA396

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139235

      This technical bulletin provides a procedure to diagnose and repair possible valve body issue or software issue. Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

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

    • TSB #030729004L

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

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

    • TSB #17NA228

      Date Announced:
      JAN 09, 2018
      NHTSA ID:
      #10137269

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

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

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

    • TSB #060089031F

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

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

    • TSB #20NA142

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

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

    • TSB #20NA212

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

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

    • TSB #1308116001F

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

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

    • TSB #16NA361

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

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

    • TSB #PIP5531A

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

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

    • TSB #080730026F

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

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

    • TSB #060089031E

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137383

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

    • TSB #16NA338

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137283

      This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »

    • TSB #16NA175

      Date Announced:
      DEC 13, 2017
      NHTSA ID:
      #10139218

      This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. Read More »

    • TSB #17-NA-066

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137640

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • TSB #150089004C

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

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

    • TSB #20NA142

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

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #19NA153

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

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

    • TSB #20NA142

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

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

    • TSB #PIE0405C

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10139262

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

    • TSB #PIE0405B

      Date Announced:
      OCT 04, 2017
      NHTSA ID:
      #10134604

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

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #19NA136

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

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

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    ELECTRICAL SYSTEM

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10198890

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

    • TSB #18NA361

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199237

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

    • TSB #19NA153

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

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

    • TSB #19NA044

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

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

    • TSB #070842006P

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10195150

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

    • TSB #20NA132

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191206

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

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187183

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

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185732

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

    • TSB #20NA212

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

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

    • TSB #20NA043

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

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

    • TSB #1308116001F

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

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

    • TSB #20NA203

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

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

    • TSB #20NA207

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

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

    • TSB #18NA161

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

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

    • TSB #20NA055

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

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

    • TSB #20NA157

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

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

    • TSB #20NA176

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

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

    • TSB #20NA157

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

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

    • TSB #20NA055

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

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

    • TSB #PIP5632C

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

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

    • TSB #PIC5650H

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

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

    • TSB #PIT5698A

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

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

    • TSB #070842006O

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

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

    • TSB #20NA132

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

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

    • TSB #20NA139

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

      This technical bulletin provides a procedure to check and tighten the B+ at the starter for proper torque. Read More »

    • TSB #20NA113

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

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

    • TSB #070849020Q

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

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

    • TSB #18NA180

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

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

    • TSB #PIT5195F

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

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

    • TSB #DOR-D8C4T-03

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

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

    • TSB #DOR-E2P5T-03

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

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

    • TSB #PIP4723D

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

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

    • TSB #19NA153

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

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

    • TSB #PIT5074M

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

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

    • TSB #PIP5601A

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

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

    • TSB #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 #PIP5632B

      Date Announced:
      SEP 06, 2019
      NHTSA ID:
      #10165877

      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 #PI0592E

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

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

    • TSB #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 #18NA217

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

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

    • TSB #PIT5540A

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

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

    • TSB #18NA144

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

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

    • TSB #18NA037

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

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

    • TSB #100845001F

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

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

    • TSB #090089002Q

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

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

    • TSB #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 #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 #060847001N

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

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

    • TSB #PIP5373B

      Date Announced:
      JUN 11, 2018
      NHTSA ID:
      #10143429

      This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. Read More »

    • TSB #PIT5507E

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

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

    • TSB #PIT5399A

      Date Announced:
      MAY 23, 2018
      NHTSA ID:
      #10141371

      This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »

    • TSB #18NA138

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137598

      This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. Read More »

    • TSB #1208132001E

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137556

      This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown. Read More »

    • TSB #18NA039

      Date Announced:
      APR 19, 2018
      NHTSA ID:
      #10137577

      This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern. Read More »

    • TSB #PIE0456

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137396

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC ... Read More »

    • TSB #17NA215

      Date Announced:
      FEB 28, 2018
      NHTSA ID:
      #10137375

      This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition. Read More »

    • TSB #17NA214

      Date Announced:
      FEB 14, 2018
      NHTSA ID:
      #10137374

      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 #18NA039

      Date Announced:
      FEB 07, 2018
      NHTSA ID:
      #10137323

      This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern. Read More »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    • TSB #17NA074

      Date Announced:
      DEC 22, 2017
      NHTSA ID:
      #10139225

      This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay. Read More »

    • TSB #PIC5650D

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

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

    • TSB #PIC5491K

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

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

    • TSB #150603001C

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

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

    • TSB #150603002I

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

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

    • TSB #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 #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 #070604019F

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139090

      This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... 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 #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      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 #03-08-46-004T

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10140295

      This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better ... Read More »

    • TSB #16-NA-111

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10140299

      This technical bulletin provides a procedure to perform diagnosis before just replacing the battery sensor module. Read More »

    • TSB #17-NA-067

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

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

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

    • TSB #18NA161

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

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

    • TSB #030603004Y

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

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

    • TSB #18NA180

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

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

    • TSB #110849001Z

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

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

    • TSB #030603004W

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10137341

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

    • TSB #150603002K

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139283

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

    • TSB #150603001D

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10139282

      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 #150603002J

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

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

    • TSB #150603002H

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10134595

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

    • TSB #150603002H

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

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

    • TSB #030603004V

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10159570

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

    • TSB #150603002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159578

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

    • TSB #17-NA-227

      Date Announced:
      AUG 11, 2017
      NHTSA ID:
      #10140377

      This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement. 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:SOLENOID

    • TSB #18NA012

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10139250

      This technical bulletin provides a procedure to replace the trans control solenoid assembly if found the cause of the vehicle unable to crank the engine over. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #PIE0499B

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

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

    • TSB #100089005H

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

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

    • TSB #18NA079

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

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

    • TSB #17-NA-219

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

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

    • TSB #100089005G

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159575

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

    ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

    • TSB #PIT5529A

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

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

    ELECTRICAL SYSTEM:IGNITION

    • TSB #140089004D

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134592

      The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key ring sizes and applying a QR code sticker or barcode sticker to a key fob. Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

    • TSB #140089004D

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134592

      The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key ring sizes and applying a QR code sticker or barcode sticker to a key fob. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #060089029T

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

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

    • TSB #060089029S

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

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

    • TSB #18NA022

      Date Announced:
      JAN 22, 2018
      NHTSA ID:
      #10139258

      This technical bulletin provides a procedure to reprogram the instrument panel to correct a condition of Instrument Cluster Goes Blank or Tell Tale Indicators Remain On due to a software issue. 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:SENSOR/SENDING UNIT

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #16NA019

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

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

    • TSB #20NA181

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

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

    • TSB #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 #090604026N

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137344

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »

    • TSB #18NA039

      Date Announced:
      FEB 07, 2018
      NHTSA ID:
      #10137323

      This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern. Read More »

    • TSB #18NA037

      Date Announced:
      FEB 05, 2018
      NHTSA ID:
      #10137321

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

    • TSB #070842006M

      Date Announced:
      FEB 02, 2018
      NHTSA ID:
      #10137342

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

    • TSB #17NA269

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

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

    • TSB #PIT5387E

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

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

    • TSB #PIP5510C

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

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

    • TSB #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 #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 #17309

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10156982

      17309 - Service Update. On certain vehicles equipped with a Duramax diesel engine (RPO L5P), DTC P2002 may be disabled causing a cracked or inoperative diesel particulate filter to go undetected. Read More »

    • TSB #17-NA-269

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10140394

      This informational bulletin provides information on new software to correct the rear camera display being to bright. 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 »

    EXTERIOR LIGHTING

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

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

    • TSB #20NA207

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

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

    • TSB #010842001L

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

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

    • TSB #070842006N

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

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

    LIGHTING (PWS)

    • TSB #010842001M

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

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

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #18NA001

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10137274

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

    • TSB #PIE0380B

      Date Announced:
      OCT 05, 2017
      NHTSA ID:
      #10134601

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative. Read More »

    EXTERIOR LIGHTING:BRAKE LIGHTS

    • TSB #PIE0456A

      Date Announced:
      APR 10, 2018
      NHTSA ID:
      #10137609

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC ... Read More »

    • 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 »

    EXTERIOR LIGHTING:TURN SIGNAL

    • TSB #PIE0380B

      Date Announced:
      OCT 05, 2017
      NHTSA ID:
      #10134601

      This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative. Read More »

    VISIBILITY

    • TSB #PIT4261G

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

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

    • TSB #18NA360

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

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

    • TSB #16NA075

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139216

      This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds Read More »

    • TSB #17NA297

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

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

    VISIBILITY:WINDSHIELD

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #PI0754D

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

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

    • TSB #PI0754C

      Date Announced:
      APR 13, 2018
      NHTSA ID:
      #10137562

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

    VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

    • TSB #PI0754D

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

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

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #DOR-D8C4T-03

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

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

    • TSB #DOR-E2P5T-03

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

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

    • TSB #18NA079

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

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

    • TSB #16NA075

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139216

      This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260D

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

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

    • TSB #PIC5260C

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

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

    • TSB #PIC5260B

      Date Announced:
      JUL 03, 2018
      NHTSA ID:
      #10143752

      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 #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #PI1255G

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

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

    • TSB #100864002D

      Date Announced:
      JAN 17, 2018
      NHTSA ID:
      #10139280

      This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty. Read More »

    • TSB #16NA075

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139216

      This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds Read More »

    • TSB #PI1255F

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134599

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

    • TSB #PI-1255F

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

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

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #20NA203

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

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

    • TSB #PIT5099E

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

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

    SEAT BELTS

    • TSB #17366-09222017

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

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

    • TSB #17366

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

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

    SEAT BELTS:FRONT

    • TSB #17366

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

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

    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 #PIP5358A

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

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #19NA255

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191197

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #21NA026

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

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

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #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 #120851002J

      Date Announced:
      MAY 31, 2019
      NHTSA ID:
      #10161969

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18NA144

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

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

    • TSB #PI0564K

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10154649

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #PI0564J

      Date Announced:
      APR 04, 2018
      NHTSA ID:
      #10137561

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #17NA392

      Date Announced:
      DEC 08, 2017
      NHTSA ID:
      #10139231

      This technical bulletin provides repair information to correct a customer concern of a rattling noise coming from the rear passenger side floor of the cab. 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 #99-08-51-001D

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10140406

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #PI1354H

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137412

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #PI1354G

      Date Announced:
      MAR 02, 2018
      NHTSA ID:
      #10137411

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #17NA214

      Date Announced:
      FEB 14, 2018
      NHTSA ID:
      #10137374

      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 »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281G

      Date Announced:
      APR 06, 2018
      NHTSA ID:
      #10137560

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

    STRUCTURE:BODY

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

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

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

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

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

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

    STRUCTURE:BODY:DOOR

    • TSB #18NA079

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

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

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. 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 »

    STRUCTURE:BODY:HOOD

    • TSB #PIT5576A

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

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

    STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS

    • TSB #PIT5576A

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

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

    VEHICLE SPEED CONTROL

    • TSB #PIT5569A

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163665

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

    VEHICLE SPEED CONTROL:CRUISE CONTROL

    • TSB #18NA217

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

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

    TIRES

    • TSB #20NA159

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

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

    • TSB #20NA159

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

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

    • TSB #20NA159

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

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

    • TSB #PIT3271K

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

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

    • TSB #20NA159

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

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

    • TSB #000310003Z

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

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

    • TSB #050310020G

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

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

    • TSB #000310003Y

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

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

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #000310006N

      Date Announced:
      MAY 09, 2019
      NHTSA ID:
      #10161906

      This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #PI1354I

      Date Announced:
      FEB 07, 2019
      NHTSA ID:
      #10154650

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #000310003X

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155008

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

    • TSB #PIT5506B

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141369

      This Preliminary Information communication advises the technician this vibration or growl noise can be difficult to diagnose and using the Pico Scope is recommended for diagnosing this concern. Read More »

    • TSB #010310003Q

      Date Announced:
      MAR 26, 2018
      NHTSA ID:
      #10137381

      This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »

    • TSB #PI1354H

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137412

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #PI1354G

      Date Announced:
      MAR 02, 2018
      NHTSA ID:
      #10137411

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #010310003P

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10139276

      This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). 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 #PIT4506E

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176313

      This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »

    WHEELS

    • TSB #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 #PIP5640A

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

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

    • TSB #100310001F

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10191231

      This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

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

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

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #PIT3271J

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

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

    • TSB #100310001E

      Date Announced:
      AUG 29, 2019
      NHTSA ID:
      #10165125

      This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »

    • TSB #PIT5569A

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163665

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

    • TSB #PI1354I

      Date Announced:
      FEB 07, 2019
      NHTSA ID:
      #10154650

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #PI1354H

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137412

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #PI1354G

      Date Announced:
      MAR 02, 2018
      NHTSA ID:
      #10137411

      This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »

    • TSB #18NA067

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137297

      This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. 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 #17NA267

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

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

    • TSB #17-NA-230

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

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

    • TSB #00-03-10-002K

      Date Announced:
      MAY 22, 2017
      NHTSA ID:
      #10137600

      This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    TRAILER HITCHES

    • TSB #PIT5282E

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

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

    • TSB #17NA350

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

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

    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 #N192285050

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

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

    • TSB #18NA377

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10155003

      This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving. Read More »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »

    • TSB #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 #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIT4322K

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

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

    FORWARD COLLISION AVOIDANCE

    • TSB #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 »

    LANE DEPARTURE: SENSING SYSTEM: CAMERA

    • TSB #18NA360

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

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

    BACK OVER PREVENTION

    • TSB #PIT5544D

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

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

    • TSB #150601002K

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

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

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187183

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

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185732

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

    • TSB #150601002I

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

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

    • TSB #17NA269

      Date Announced:
      APR 18, 2018
      NHTSA ID:
      #10137570

      This Technical bulletin provides information on new software to correct the rear camera display being too bright. 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: WARNINGS

    • TSB #PIT5507D

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

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

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #PIT5552C

      Date Announced:
      FEB 25, 2019
      NHTSA ID:
      #10154322

      This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: -  Yellow -  Blurry -  Distorted -  Image scrolling -  Image with NO gridlines -  Screen is blue with ... Read More »

    • TSB #17NA375

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

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

    • TSB #17NA331

      Date Announced:
      OCT 17, 2017
      NHTSA ID:
      #10134612

      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 #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 »

    • TSB #17-NA-269

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10140394

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

    EQUIPMENT

    • TSB #PIT3099U

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10201310

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

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

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

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

    • TSB #080730035E

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

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

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #070089037Q

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200089

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #120851002M

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10200092

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10199235

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

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10198844

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

    • TSB #100089006H

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200090

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #070089037P

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200088

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #PIP5358A

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

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #120851002L

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10200091

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199249

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

    • TSB #21NA103

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194114

      This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »

    • TSB #18NA073

      Date Announced:
      APR 13, 2021
      NHTSA ID:
      #10194081

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

    • TSB #18NA146

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194082

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #020089002T

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195127

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #070089036J

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195149

      This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »

    • TSB #18NA099

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

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

    • TSB #18NA306

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

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

    • TSB #PIP5725A

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

      This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »

    • TSB #110089005Q

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191233

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

    • TSB #21NA043

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191217

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

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

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

    • TSB #20NA212

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

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

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187379

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

    • TSB #17NA166

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

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

    • TSB #19NA136

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

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

    • TSB #040089015V

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

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

    • TSB #20NA142

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

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

    • TSB #20NA197

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

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

    • TSB #PIC6208E

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

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

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #18NA098

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

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

    • TSB #100605002I

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

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

    • TSB #20NA213

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

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

    • TSB #16NA244

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

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

    • TSB #19NA187

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

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

    • TSB #16NA380

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

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

    • TSB #19NA237

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

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

    • TSB #20NA043

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

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

    • TSB #17NA393

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

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #1308116001F

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

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

    • TSB #16NA372

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183130

      This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »

    • TSB #PIP5684C

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182564

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #17NA374

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183150

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #20NA142

      Date Announced:
      OCT 15, 2020
      NHTSA ID:
      #10183190

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #20NA203

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10183202

      This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #20NA197

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181720

      This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #20NA185

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181711

      This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern. Read More »

    • TSB #18NA253

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181674

      This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers. Read More »

    • TSB #20NA142

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181693

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #990089019U

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180697

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »

    • TSB #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #19NA277

      Date Announced:
      JUL 21, 2020
      NHTSA ID:
      #10178960

      This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #PIP4902N

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178352

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #17NA166

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178253

      This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. Read More »

    • TSB #990089019T

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10178293

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #N192264210-02

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176823

      Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #030089006R

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176644

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #19NA153

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176611

      This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal. Read More »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #18NA180

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175746

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #020089002S

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174299

      This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #19NA219

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173398

      This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #20NA043

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172814

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA006

      Date Announced:
      FEB 24, 2020
      NHTSA ID:
      #10173404

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »

    • TSB #PIT3099T

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172305

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #N192264210

      Date Announced:
      JAN 30, 2020
      NHTSA ID:
      #10171432

      Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable functionwas disabled. Read More »

    • TSB #110089002D

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172294

      This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #PI0689D

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10172296

      This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box. Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #PI0592F

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170498

      This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #120851002K

      Date Announced:
      OCT 30, 2019
      NHTSA ID:
      #10168210

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIP5684

      Date Announced:
      OCT 22, 2019
      NHTSA ID:
      #10167455

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #19NA193

      Date Announced:
      AUG 30, 2019
      NHTSA ID:
      #10165120

      This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub. Read More »

    • TSB #18NA146

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165087

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #130089008B

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165126

      This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »

    • TSB #19NA183

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165114

      This informational bulletin provides information for dealers/technicians on Mandatory VECI Label Replacement for (5W7) Performance Air Intake Kits. Read More »

    • TSB #PIT5698

      Date Announced:
      JUL 30, 2019
      NHTSA ID:
      #10163686

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIC6208D

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163681

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »

    • TSB #990089019R

      Date Announced:
      JUL 26, 2019
      NHTSA ID:
      #10163900

      This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »

    • TSB #DORD8R3N09

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10165334

      This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. Read More »

    • TSB #PIT3099R

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10163659

      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 #16NA376

      Date Announced:
      JUN 27, 2019
      NHTSA ID:
      #10163216

      This informational bulletin provides information on higher than expected oil consumption. Read More »

    • TSB #16NA222

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163193

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #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 #19NA125

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10163245

      This informational bulletin provides information for dealers/technicians and customers on possible carpet color mismatch. Read More »

    • TSB #120851002J

      Date Announced:
      MAY 31, 2019
      NHTSA ID:
      #10161969

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIP5632A

      Date Announced:
      MAY 28, 2019
      NHTSA ID:
      #10161046

      This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »

    • TSB #16NA119

      Date Announced:
      MAY 08, 2019
      NHTSA ID:
      #10161929

      This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #PIP5226C

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10160983

      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 #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 #17NA166

      Date Announced:
      APR 18, 2019
      NHTSA ID:
      #10160087

      This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. Read More »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    • TSB #1008110001H

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160135

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #16NA111

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158781

      This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting. Read More »

    • TSB #PIE0500A

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158874

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #PIP4902L

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10156916

      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 #060605001H

      Date Announced:
      MAR 05, 2019
      NHTSA ID:
      #10158860

      This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »

    • TSB #150601002H

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158866

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »

    • TSB #17NA073

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154641

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18NA099

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155101

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIP5601

      Date Announced:
      OCT 23, 2018
      NHTSA ID:
      #10147401

      This Preliminary information communicates Read More »

    • TSB #PIT5637

      Date Announced:
      OCT 19, 2018
      NHTSA ID:
      #10147391

      This Preliminary information communicates normal radio display operation when shifting into reverse. Per FMVSS 111 an image must be displayed when shifted into reverse even when a vehicle is not equipped with a backup camera. Read More »

    • TSB #PIP4902K

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144476

      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 #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »

    • TSB #PIT5399A

      Date Announced:
      MAY 23, 2018
      NHTSA ID:
      #10141371

      This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. 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 #150603002M

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137559

      This bulletin provides information on approved warranty part numbers for original equipment batteries. Read More »

    • TSB #150603002L

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137558

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #18NA099

      Date Announced:
      APR 04, 2018
      NHTSA ID:
      #10137537

      This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #130089010B

      Date Announced:
      APR 03, 2018
      NHTSA ID:
      #10137557

      This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program. Read More »

    • TSB #17NA214

      Date Announced:
      FEB 14, 2018
      NHTSA ID:
      #10137374

      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 #150603002K

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139283

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #140879001C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10139281

      xxzvfrdg Read More »

    • TSB #050851001I

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10139277

      This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film. Read More »

    • TSB #17NA302

      Date Announced:
      JAN 11, 2018
      NHTSA ID:
      #10137270

      This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area. Read More »

    • TSB #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 #17NA074

      Date Announced:
      DEC 22, 2017
      NHTSA ID:
      #10139225

      This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay. 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 #040089015R

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139208

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #070089037L

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139212

      This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs. 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 #16NA239

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139220

      This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle. Read More »

    • TSB #070089036I

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139211

      This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures. Read More »

    • TSB #16NA356

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139099

      This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »

    • TSB #16NA158

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139095

      This bulletin describes the Dealer special tool loan program process. 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 #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 #150089005A

      Date Announced:
      OCT 25, 2017
      NHTSA ID:
      #10134594

      This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »

    • TSB #070849020M

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10134621

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIT5544A

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123247

      This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »

    • TSB #150089004B

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10134593

      This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage. 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 #150603002H

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10134595

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    • TSB #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 #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      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 #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 #040601029I

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159572

      This informational bulletin explains the importance of maintaining the vehicle. 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 #000601012H

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159569

      This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. 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 #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »

    • TSB #100605002E

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159576

      This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set. Read More »

    • TSB #120851002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159577

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #150603002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159578

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #17NA100

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159593

      This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods. Read More »

    • TSB #211813-09062017

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10159288

      N172118130 Stop Delivery. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Read More »

    • TSB #211813

      Date Announced:
      SEP 01, 2017
      NHTSA ID:
      #10159262

      N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. Read More »

    • TSB #99-08-51-001D

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10140406

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #17309

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10156982

      17309 - Service Update. On certain vehicles equipped with a Duramax diesel engine (RPO L5P), DTC P2002 may be disabled causing a cracked or inoperative diesel particulate filter to go undetected. Read More »

    • TSB #04-00-89-015Q

      Date Announced:
      AUG 07, 2017
      NHTSA ID:
      #10140296

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #08-08-44-029H

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10140297

      This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only. Read More »

    • TSB #17-NA-170

      Date Announced:
      MAY 23, 2017
      NHTSA ID:
      #10137665

      This informational bulletin explains the Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #05-00-89-029D

      Date Announced:
      MAY 15, 2017
      NHTSA ID:
      #10137605

      This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #16-NA-383

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137635

      This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »

    • TSB #PI0020E

      Date Announced:
      MAY 05, 2017
      NHTSA ID:
      #10137676

      This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or cloudy appearance of front differential fluid. Read More »

    • TSB #03-00-89-006N

      Date Announced:
      MAY 04, 2017
      NHTSA ID:
      #10137602

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #04-00-89-015O

      Date Announced:
      MAY 02, 2017
      NHTSA ID:
      #10137603

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #21NA068

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10194101

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »

    • TSB #100089005I

      Date Announced:
      MAR 31, 2020
      NHTSA ID:
      #10174304

      This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »

    • TSB #PIT3099S

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165874

      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 #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 #PIP4902M

      Date Announced:
      MAR 19, 2019
      NHTSA ID:
      #10156939

      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 #PIP5632

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156929

      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 #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 #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »

    • TSB #PIC5953D

      Date Announced:
      JUN 14, 2018
      NHTSA ID:
      #10143443

      This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »

    • TSB #18NA141

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137599

      This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic. Read More »

    • TSB #070842006M

      Date Announced:
      FEB 02, 2018
      NHTSA ID:
      #10137342

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #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 #16NA239

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139220

      This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle. 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 #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »

    • TSB #13-08-116-001C

      Date Announced:
      AUG 30, 2017
      NHTSA ID:
      #10140298

      The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »

    • TSB #PIC6302

      Date Announced:
      AUG 16, 2017
      NHTSA ID:
      #10137722

      The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor when selecting "New Destination" in the OnStar menu. Read More »

    • TSB #PIC5932B

      Date Announced:
      AUG 09, 2017
      NHTSA ID:
      #10137705

      This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIT5545C

      Date Announced:
      FEB 20, 2019
      NHTSA ID:
      #10154310

      This Preliminary information communicates Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIT5353C

      Date Announced:
      NOV 21, 2018
      NHTSA ID:
      #10151869

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »

    • TSB #18NA138

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137598

      This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. Read More »

    • TSB #18NA134

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137595

      This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle. Read More »

    • TSB #PI1149A

      Date Announced:
      NOV 28, 2017
      NHTSA ID:
      #10140340

      This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ... 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 #17NA337

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134618

      This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu. Read More »

    • TSB #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 »

    EQUIPMENT:MECHANICAL

    • TSB #17-NA-163

      Date Announced:
      MAY 12, 2017
      NHTSA ID:
      #10137659

      This informational bulletin provides information for dealers/technicians on the availability of a new spring replacement tonneau latch to replace an original quarter turn latch that has broken. Read More »

    EQUIPMENT:OTHER:LABELS

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #211813-09292017-

      Date Announced:
      SEP 29, 2017
      NHTSA ID:
      #10159301

      17357 and 17366 - Service update. General Motors has released four field actions related to a condition in which certain vehicles may have an incorrect torsion bar built into the front seat belt retractors. Read More »

    • TSB #211813

      Date Announced:
      SEP 01, 2017
      NHTSA ID:
      #10159262

      N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. Read More »

    • TSB #17-NA-213

      Date Announced:
      AUG 09, 2017
      NHTSA ID:
      #10140374

      This informational bulletin provides information for the service parts identification (SPID) label replacement. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #N192264210

      Date Announced:
      JUL 01, 2021
      NHTSA ID:
      #10200195

      Customer Satisfaction Program Closed Message sent. Read More »

    • TSB #20NA038

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10194084

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #21NA010

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187773

      This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return. Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #PIT5074N

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184131

      This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #18NA099

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180299

      This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIC5453C

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10178306

      This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »

    • TSB #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

      This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »

    • TSB #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 #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »

    • TSB #060089029P

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174302

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #070089037O

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174303

      This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #19NA232

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168238

      This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #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 #110089005N

      Date Announced:
      MAR 26, 2019
      NHTSA ID:
      #10158864

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #030089006Q

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158855

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #040089053G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158857

      This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »

    • TSB #PIE0500A

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158874

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #110849001Z

      Date Announced:
      MAR 11, 2019
      NHTSA ID:
      #10158865

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #PIE0499B

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158873

      This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made. Read More »

    • TSB #010089010M

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154625

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #080089014D

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154628

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #120851002I

      Date Announced:
      JAN 22, 2019
      NHTSA ID:
      #10154630

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #040089015T

      Date Announced:
      JAN 14, 2019
      NHTSA ID:
      #10154627

      This warranty administration bulletin provides policy information on required operating procedures. Read More »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #110089002C

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137385

      This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months). Read More »

    • TSB #18NA073

      Date Announced:
      MAR 08, 2018
      NHTSA ID:
      #10137301

      This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement. Read More »

    • TSB #030089006P

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137382

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #110089005L

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10137345

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #030603004W

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10137341

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #18NA027

      Date Announced:
      JAN 26, 2018
      NHTSA ID:
      #10139272

      This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB. Read More »

    • TSB #040089015R

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139208

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #070089037L

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139212

      This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #070089036I

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139211

      This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures. Read More »

    • TSB #070849020M

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190320

      IPC Odometer Programming Method Quick Reference Guide Read More »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      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 #PIT3099Q

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156990

      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 #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 #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #20NA212

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186085

      This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall. Read More »

    • TSB #20NA142

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184489

      This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »

    • TSB #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #16NA380

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183132

      This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »

    • TSB #17NA393

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183151

      This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2. Read More »

    • TSB #17NA374

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183150

      This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »

    • TSB #070842006O

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10179407

      This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »

    • TSB #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 #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #N192285050

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10172670

      Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. Read More »

    • TSB #20NA043

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172814

      This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »

    • TSB #20NA006

      Date Announced:
      FEB 24, 2020
      NHTSA ID:
      #10173404

      This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #PIE0500A

      Date Announced:
      MAR 18, 2019
      NHTSA ID:
      #10158874

      This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »

    • TSB #150601002H

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10158866

      This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »

    • TSB #PIP4902K

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144476

      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 #PIC5953D

      Date Announced:
      JUN 14, 2018
      NHTSA ID:
      #10143443

      This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »

    • TSB #000089027J

      Date Announced:
      MAR 16, 2018
      NHTSA ID:
      #10137380

      This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles. Read More »

    • TSB #17NA214

      Date Announced:
      FEB 14, 2018
      NHTSA ID:
      #10137374

      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 #PI0689C

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10137347

      This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box. Read More »

    • TSB #140879001C

      Date Announced:
      JAN 19, 2018
      NHTSA ID:
      #10139281

      xxzvfrdg 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 #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »

    • TSB #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 #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIT5099D

      Date Announced:
      OCT 10, 2018
      NHTSA ID:
      #10147367

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    • TSB #18NA156

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10186122

      This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part. Read More »

    • TSB #18NA156

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10187431

      This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part. Read More »

    • TSB #PIT5099C

      Date Announced:
      JUN 20, 2018
      NHTSA ID:
      #10143449

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER

    • TSB #21NA097

      Date Announced:
      APR 26, 2021
      NHTSA ID:
      #10194110

      This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »