Technical Service Bulletins (TSBs) for the 2020 Sierra 1500 are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #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 #N202315380

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186052

      Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear. Read More »

    • TSB #N202315380

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187214

      Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear. Read More »

    • TSB #N202315380

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187619

      Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear. Read More »

    • TSB #N202315380

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187346

      Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear. Read More »

    • TSB #PIP5653J

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179649

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

    • TSB #20NA021

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178964

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

    • TSB #20NA021

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

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

    • TSB #PIT5481E

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

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

    • TSB #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 »

    SUSPENSION

    • TSB #PIP5798

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

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

    • TSB #PIE0541A

      Date Announced:
      FEB 17, 2020
      NHTSA ID:
      #10173420

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a vibration and/or banging noise heard from under the vehicle. Read More »

    BRAKES (PWS)

    • TSB #20NA073

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181688

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the ... Read More »

    • TSB #PIT5674A

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178327

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

    • TSB #20NA073

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176626

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #20NA073

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176628

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #PIT5681A

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

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

    • TSB #PIT5735A

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10174824

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue. Read More »

    • TSB #20NA073

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175760

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #PIT5735

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173676

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering is working on updated cals for the BSCM.  Read More »

    • TSB #N202294820

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172668

      Customer Satisfaction Program - The brake system control module software in these vehicles may contain an error. Read More »

    • TSB #PIT5730

      Date Announced:
      JAN 06, 2020
      NHTSA ID:
      #10171256

      This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC.  Along with these messages, a SES MIL will be on and the brake pedal may feel hard. 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 #PIP5753

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181180

      PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. Read More »

    ENGINE (PWS)

    • TSB #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 #N202319660 01

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

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

    • TSB #N202319660

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

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

    • TSB #060089031F

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

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

    • TSB #PIP5733F

      Date Announced:
      NOV 17, 2020
      NHTSA ID:
      #10184120

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

    • TSB #PIE0576A

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184507

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a start/stop event or during a normal start using the push button on the dash ... Read More »

    • TSB #PIP5759A

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

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

    • TSB #19NA187

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

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

    • TSB #16NA222

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

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

    • TSB #PIE0578B

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181730

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Slow Start and/or No Start, Battery Message Indicated, having to jump ... Read More »

    • TSB #20NA155

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181694

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Message at Start Up or Shortly after Start Up. Read More »

    • TSB #PIP5733C

      Date Announced:
      AUG 27, 2020
      NHTSA ID:
      #10179658

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

    • TSB #PIP5647B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179642

      This Preliminary information communicates  A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »

    • TSB #PIT5751B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179644

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

    • TSB #PIT5666A

      Date Announced:
      AUG 17, 2020
      NHTSA ID:
      #10179637

      This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan.  Dealers are to reposition the harness to fix the noise. Read More »

    • TSB #PIP5733B

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179625

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

    • TSB #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 #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 #PIE0563B

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10179530

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan. Read More »

    • TSB #PIT5751A

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10178360

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

    • TSB #20NA100

      Date Announced:
      JUN 24, 2020
      NHTSA ID:
      #10178268

      This informational bulletin provides information for dealers/technicians on Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set. Read More »

    • TSB #PIT5751

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178321

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

    • TSB #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 #N192287840

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176822

      Service Update - Certain vehicles equipped with a 2.7L turbo engine (RPO L3B), may have a condition where the engine wiring harness may have been wrapped and/or routed incorrectly, creating the potential for wear-through in several ... 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 #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

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

    • TSB #PIE0563A

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176652

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan. 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 #PIE0555A

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175857

      This engineering information (EI) is requesting information from the field on vehicles experiencing reduced engine power. GM Engineering needs to gather information to root cause the customer concern and develop a field fix. Read More »

    • TSB #20NA082

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175761

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #20NA083

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175762

      This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order. Read More »

    • TSB #PIE0563

      Date Announced:
      APR 02, 2020
      NHTSA ID:
      #10175859

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan. Read More »

    • TSB #20NA076

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10174295

      This informational bulletin advises the technician on where to located the fuel injector identification number. Read More »

    • TSB #PIT5677C

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10173718

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

    • TSB #PIP5670D

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173675

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. Read More »

    • TSB #PIT5734

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172339

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • TSB #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 #PIP5670C

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172335

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. 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 #19NA218

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173397

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

    • TSB #N192282970-01

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172658

      Service Update - Certain vehicles may have a condition where the check engine or the reduced power mode light may come on during start-up or while driving. Reprogram the engine control module and the reductant control module. Read More »

    • TSB #PIE0555

      Date Announced:
      FEB 11, 2020
      NHTSA ID:
      #10173424

      This engineering information (EI) bulletin is requesting information from the field on vehicles experiencing reduced engine power. GM Engineering needs to gather information to root cause the customer concern and develop a field fix. 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 #PIE0515B

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10172297

      This engineering informational bulletin is requesting information for checking for DTCs and the voltage (relative to a ground) on BOTH sides of the 400A starter fuse in the Battery Distribution Engine Compartment Fuse Block. Read More »

    • TSB #PIE0549A

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172300

      This engineering informational bulletin is requesting information from the field on no crank / no start issue resulting in a starter replacement due to the solenoid overheating. Read More »

    • TSB #PIP5689A

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170432

      This Preliminary information communicates to the technician to reprogram the engine control module and, if necessary, diagnose and repair P24B0. Read More »

    • TSB #PIE0536A

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169360

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

    • TSB #PIE0544

      Date Announced:
      NOV 07, 2019
      NHTSA ID:
      #10169363

      This engineering informational bulletin is requesting information on vehicles with the Service Engine Soon (SES) lamp being illuminated and DTC P1467 set. Read More »

    • TSB #PIP5637A

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10164769

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. Read More »

    • TSB #N192210560

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10164100

      Service Update Bulletin. Certain vehicles may have a condition where the vehicle does not accelerate or decelerate but maintains speed after releasing the accelerator pedal for up to approximately 65 seconds. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #21NA056

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191229

      This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling. Read More »

    • TSB #20NA138

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

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

    • TSB #20NA082

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191202

      This informational bulletin explains why more DEF is being used in diesel engines do to new emission standards. Read More »

    • TSB #21NA002

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191212

      This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »

    • TSB #20NA218

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10186086

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #N202319660 01

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

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

    • TSB #19NA218

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

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

    • TSB #010601011L

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

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

    • TSB #19NA218

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

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

    • TSB #N202319660 01

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

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

    • TSB #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 #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 #PIP5750A

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

      This Preliminary information communicates the possibility of the having dtc p06DD P06DA P06DB due to engine wiring harness concerns. Read More »

    • TSB #PIT5742A

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182578

      This Preliminary information communicates an issue with the engine wiring harness shorting on the ecm mounting bracket and provides repair instructions. Read More »

    • TSB #PIE0572A

      Date Announced:
      OCT 15, 2020
      NHTSA ID:
      #10183785

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a no restart after auto-stop event and/or, no crank. Read More »

    • TSB #PIE0590

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

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center (DIC). Read More »

    • TSB #PIP5670E

      Date Announced:
      OCT 05, 2020
      NHTSA ID:
      #10182534

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. Read More »

    • TSB #PIP5733E

      Date Announced:
      OCT 05, 2020
      NHTSA ID:
      #10182535

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

    • TSB #PIP5733D

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181158

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

    • TSB #PIP5751

      Date Announced:
      SEP 15, 2020
      NHTSA ID:
      #10181141

      This PI was created to gather data to root cause the P06DD and/or oil consumption Read More »

    • TSB #PIP5737A

      Date Announced:
      SEP 14, 2020
      NHTSA ID:
      #10181140

      This Preliminary information communicates additional diagnostic tips when diagnosing engine oil leaks on these vehicles. Read More »

    • TSB #20NA166

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

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

    • TSB #PIP5498M

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

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

    • TSB #PIE0563B

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10179530

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan. Read More »

    • TSB #PIT5689B

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178337

      This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Read More »

    • TSB #PIP5175D

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

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

    • TSB #19NA218

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

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

    • TSB #PIT5713A

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176304

      This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: -  IPC gauges sweeping while driving -  Several IPC warning messages and ... Read More »

    • TSB #PIP5504D

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

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

    • TSB #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 #PIP5724

      Date Announced:
      APR 21, 2020
      NHTSA ID:
      #10174855

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

    • TSB #PIP5667C

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10174828

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #PIP5670E

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10174849

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. Read More »

    • TSB #PIT5742

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174825

      This Preliminary information communicates an issue with the engine wiring harness shorting on the ecm mounting bracket and provides repair instructions. 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 #PIP5650B

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171289

      This Preliminary information communicates the possibility of DTC P3075 being set current or history due to low coolant level or air trapped in cooling system. Read More »

    • TSB #PIP5689B

      Date Announced:
      JAN 07, 2020
      NHTSA ID:
      #10171258

      This Preliminary information communicates to the technician to reprogram the engine control module and, if necessary, diagnose and repair P24B0. Read More »

    • TSB #PIP5668B

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170419

      This Preliminary information communicates to the dealer technician the coolant control valve is no longer on restriction. Read More »

    • TSB #PIP5689

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10168982

      This Preliminary information communicates to the technician to reprogram the engine control module Read More »

    • TSB #PIT5689A

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168977

      This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Read More »

    • TSB #PIP5667A

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10168972

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #PIP5686A

      Date Announced:
      NOV 04, 2019
      NHTSA ID:
      #10168955

      This Preliminary information communicates A vehicle may come into the dealer with a rough idle, lean running concern and/or air leak noise from the PCV system. Read More »

    • TSB #PIP5668A

      Date Announced:
      OCT 29, 2019
      NHTSA ID:
      #10167468

      This Preliminary information communicates to the dealer technician the coolant control valve is on restriction. 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 #18NA361

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

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

    • TSB #010601011K

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

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

    • TSB #N192266751

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10167478

      N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. 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 #PIP5637D

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10165916

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. Read More »

    • TSB #PIT5713

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10165919

      This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: -  IPC gauges sweeping while driving -  Several IPC warning messages and ... Read More »

    • TSB #PIP5606E

      Date Announced:
      SEP 24, 2019
      NHTSA ID:
      #10165902

      This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up). Read More »

    • TSB #PIE0536

      Date Announced:
      SEP 13, 2019
      NHTSA ID:
      #10166670

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

    • TSB #PIT5448F

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165870

      This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »

    • TSB #PIP5637C

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165871

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance. Read More »

    • TSB #PIP5637B

      Date Announced:
      AUG 30, 2019
      NHTSA ID:
      #10164791

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. Read More »

    • TSB #19NA188

      Date Announced:
      AUG 27, 2019
      NHTSA ID:
      #10165117

      The informational bulletin explains the normal noises that are emitted from the engine once the engine is turned off. 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 #PIP5668

      Date Announced:
      AUG 21, 2019
      NHTSA ID:
      #10164777

      This Preliminary information communicates to the dealer technician the coolant control valve is on restriction. 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 »

    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 #PIP5670A

      Date Announced:
      OCT 29, 2019
      NHTSA ID:
      #10167470

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. Read More »

    • TSB #PIP5670

      Date Announced:
      AUG 27, 2019
      NHTSA ID:
      #10164786

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • 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 #PIP5667E

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179652

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #PIP5669A

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179654

      This preliminary information communicates the end of the part restriction for the diesel engine fuel system components Read More »

    • TSB #PIP5667D

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179635

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #N202300791

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176821

      Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »

    • TSB #19NA180

      Date Announced:
      AUG 28, 2019
      NHTSA ID:
      #10165111

      This New Engine Features Bulletin provides General Information to help the Service Personnel become familiar with the Duramax Diesel 3.0L - RPO LM2. Read More »

    • TSB #PIP5670

      Date Announced:
      AUG 27, 2019
      NHTSA ID:
      #10164786

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

    • TSB #PIP5670B

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10171266

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. 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 »

    • TSB #PIP5762

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185725

      This preliminary information communicates to technicians a possible valve cover causing oil consusmption and the repair. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS

    • TSB #PIP5737

      Date Announced:
      JUN 13, 2020
      NHTSA ID:
      #10178326

      This Preliminary information communicates additional diagnostic tips when diagnosing engine oil leaks on these vehicles. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIP5684B

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

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

    ENGINE AND ENGINE COOLING:COOLING SYSTEM: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 #PIP5667D

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179635

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #N202300791

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176821

      Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »

    • TSB #20NA039

      Date Announced:
      FEB 20, 2020
      NHTSA ID:
      #10172812

      This technical bulletin provides a procedure to program the ECM and/or replace the exhaust particulate sensor to correct the DTC that set after the service update has been previously performed. 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 #PIP5667

      Date Announced:
      AUG 26, 2019
      NHTSA ID:
      #10164785

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components 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 #PIE0601

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

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated. Read More »

    • TSB #15NA010

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

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

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

    • TSB #PIT5819

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

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

    • TSB #16NA380

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

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

    • 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 »

    FUEL SYSTEM, GASOLINE

    • 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 #PIP5647B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179642

      This Preliminary information communicates  A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. 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 #PIP5647A

      Date Announced:
      APR 24, 2020
      NHTSA ID:
      #10174857

      This Preliminary information communicates  A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »

    • TSB #20NA076

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10174295

      This informational bulletin advises the technician on where to located the fuel injector identification number. Read More »

    • TSB #PIT5636B

      Date Announced:
      FEB 05, 2020
      NHTSA ID:
      #10172308

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »

    • TSB #PIT5723

      Date Announced:
      DEC 09, 2019
      NHTSA ID:
      #10170425

      This Preliminary information communicates information that the EVAP purge pump may be filling with liquid fuel if the customer overfills the fuel tank by over 3 clicks of a normal filler nozzle.    Read More »

    • TSB #050604022Q

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

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

    • TSB #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 »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

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

    • TSB #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:INJECTORS

    • TSB #20NA098

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

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

    FUEL SYSTEM, DIESEL

    • TSB #19NA237

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

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

    • TSB #050604022R

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

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

    • TSB #18NA361

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

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

    • TSB #20NA110

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

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

    • TSB #PIP5667E

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179652

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #PIP5669A

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179654

      This preliminary information communicates the end of the part restriction for the diesel engine fuel system components Read More »

    • TSB #N202300791

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176821

      Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »

    • TSB #PIP5670C

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172335

      This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data. 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 #PIP5667B

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172329

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components 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 #PIP5667

      Date Announced:
      AUG 26, 2019
      NHTSA ID:
      #10164785

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #PIP5669

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10164782

      This preliminary information communicates the part restriction for the diesel engine fuel system components Read More »

    • TSB #050604022Q

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

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

    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: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 #PIT5715A

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

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

    • TSB #20NA138

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

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

    • TSB #PIE0615

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

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

    • TSB #PIP5771B

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

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

    • TSB #20NA218

      Date Announced:
      JAN 15, 2021
      NHTSA ID:
      #10187763

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #20NA218

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187413

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #PIP5771

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187190

      This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. Read More »

    • TSB #PIP5771

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10185739

      This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. 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 #19NA076

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184482

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

    • TSB #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 #PIE0556A

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183783

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the transmission. 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 #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 #PIP5727

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176307

      This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the ... Read More »

    • TSB #20NA019

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10174278

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

    • TSB #PIE0538B

      Date Announced:
      MAR 05, 2020
      NHTSA ID:
      #10174438

      This engineering information (EI) ends the need for information from the field regarding 8 speed transmission shift quality. Read More »

    • TSB #PIP5700B

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

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

    • TSB #20NA019

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

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

    • TSB #PIP5677B

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172303

      This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Read More »

    • TSB #PIP5705

      Date Announced:
      JAN 24, 2020
      NHTSA ID:
      #10171305

      This Preliminary information communicates A vehicle may have a concern of a vibration or drone around 40 MPH and 1200 RPM under a light load.  Debris in the tranmission mount. Inspect the transmission mount for debris. Read More »

    • TSB #PIE0538A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10172298

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to 8 speed transmission shift quality. Read More »

    • TSB #PIP5700A

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

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

    • TSB #990420002K

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

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

    • TSB #16NA338

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

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

    • TSB #16NA361

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

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

    • TSB #PIP5677A

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10167423

      This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Read More »

    • TSB #PIE0538

      Date Announced:
      SEP 20, 2019
      NHTSA ID:
      #10166672

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to 8 speed transmission shift quality. Read More »

    POWER TRAIN:CLUTCH ASSEMBLY

    • TSB #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

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

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • 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 #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 #PIP5722A

      Date Announced:
      SEP 11, 2020
      NHTSA ID:
      #10181136

      This Preliminary information communicates to the dealer technician diagnostic tips to aid in finding root case of P0708 setting  on vehicles equipped with 8L45, 8L90, 10L60, 10L80 and 10L90 transmissions. 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 #N192272400

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176820

      Customer Satisfaction Program - Certain 2019-2020 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with an 8-Speed Automatic Transmission, may have a condition where the rear wheels will lock up at low speeds. Read More »

    • TSB #PIE0556

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174442

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

    • TSB #PIP5700

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

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

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

    • TSB #19NA228

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178259

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

    • TSB #150089004C

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

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS

    • TSB #PIP5175D

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

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

    POWER TRAIN:DRIVELINE:DRIVESHAFT

    • TSB #PIP5653E

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173724

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

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #PIP5653H

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179636

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

    POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

    • TSB #PIP5653J

      Date Announced:
      AUG 24, 2020
      NHTSA ID:
      #10179649

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

    • TSB #PIP5653G

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178378

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

    ELECTRICAL SYSTEM

    • TSB #PIE0602B

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10191237

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »

    • TSB #PIT5639B

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190419

      This Preliminary information communicates information to not make any repairs for momentary  camera flicker when brake light, turn signal, or hazards are active with radio RPO IOR. Read More »

    • TSB #20NA132

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

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

    • TSB #PIE0610A

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

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

    • TSB #PIE0612A

      Date Announced:
      MAR 03, 2021
      NHTSA ID:
      #10191242

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information ... Read More »

    • TSB #21NA006

      Date Announced:
      JAN 21, 2021
      NHTSA ID:
      #10187769

      This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »

    • TSB #21NA007

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10187770

      This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern. Read More »

    • TSB #PIE0609

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

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

    • TSB #PIE0601A

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

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated. Read More »

    • TSB #PIE0601A

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

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated. Read More »

    • TSB #PIE0578C

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186110

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Slow Start and/or No Start, Battery Message Indicated, having to jump ... Read More »

    • TSB #PIE0578C

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187731

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Slow Start and/or No Start, Battery Message Indicated, having to jump ... Read More »

    • TSB #PIT5751C

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

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

    • TSB #PIT5386F

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #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 #PIE0601

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

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated. Read More »

    • TSB #20NA196

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

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

    • TSB #1308116001F

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

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

    • TSB #PIT5756

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181144

      This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - ... Read More »

    • TSB #20NA167

      Date Announced:
      AUG 27, 2020
      NHTSA ID:
      #10180322

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

    • TSB #PIP5647B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179642

      This Preliminary information communicates  A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »

    • TSB #PIE0578A

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10180704

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Slow Start and/or No Start, Battery Message Indicated, having to jump ... Read More »

    • TSB #PIT5735C

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179626

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue. Read More »

    • TSB #PIE0576

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10180702

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a start/stop event or during a normal start using the push button on the dash ... Read More »

    • TSB #PIT5742A

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178390

      This Preliminary information communicates an issue with the engine wiring harness shorting on the ecm mounting bracket and provides repair instructions. Read More »

    • TSB #PIP5733A

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178394

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

    • TSB #PIP5745

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

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

    • TSB #070842006O

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

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

    • TSB #PIE0562A

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

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

    • TSB #PIT5737B

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178366

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #PIE0566A

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10179531

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) Illuminated and/or functional failures of ... 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 #20NA100

      Date Announced:
      JUN 24, 2020
      NHTSA ID:
      #10178268

      This informational bulletin provides information for dealers/technicians on Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set. Read More »

    • TSB #PIT5752

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178322

      This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »

    • TSB #PIT5747

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10178307

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    • TSB #19NA228

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10178259

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

    • TSB #PIT5745

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

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

    • TSB #PIP5728A

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176335

      This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »

    • TSB #PIT5735B

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176333

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue. Read More »

    • TSB #PIE0568B

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

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

    • TSB #N192272400

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176820

      Customer Satisfaction Program - Certain 2019-2020 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with an 8-Speed Automatic Transmission, may have a condition where the rear wheels will lock up at low speeds. 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 #PIP5728

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176316

      This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »

    • TSB #PIE0568

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

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

    • TSB #PIE0568A

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

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

    • TSB #PIP5700C

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

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

    • TSB #PIE0566

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176653

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) Illuminated and/or functional failures of ... Read More »

    • TSB #PIE0567

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176654

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - ... Read More »

    • TSB #PIT5743

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174869

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

    • TSB #PIP5647A

      Date Announced:
      APR 24, 2020
      NHTSA ID:
      #10174857

      This Preliminary information communicates  A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »

    • TSB #20NA012

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175756

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #PIT5735A

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10174824

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue. Read More »

    • TSB #20NA073

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175760

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #19NA076

      Date Announced:
      APR 15, 2020
      NHTSA ID:
      #10175749

      This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display. Read More »

    • TSB #20NA087

      Date Announced:
      APR 09, 2020
      NHTSA ID:
      #10175766

      This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio. Read More »

    • TSB #20NA082

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175761

      This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »

    • TSB #20NA083

      Date Announced:
      APR 07, 2020
      NHTSA ID:
      #10175762

      This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order. Read More »

    • TSB #20NA066

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10174087

      This technical bulletin provides a procedure to program the glow plug control module if found the cause of the customers concerns. Read More »

    • TSB #PIE0546A

      Date Announced:
      MAR 26, 2020
      NHTSA ID:
      #10174439

      This engineering information (EI) is requesting information from the field on conditions of Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Read More »

    • TSB #PIT5677C

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10173718

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

    • TSB #20NA040

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174282

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #PIP5675B

      Date Announced:
      MAR 16, 2020
      NHTSA ID:
      #10173703

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #20NA067

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10174088

      This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate. Read More »

    • TSB #PIP5700B

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

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

    • TSB #PIT5735

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10173676

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering is working on updated cals for the BSCM.  Read More »

    • TSB #HT-03.03.2020

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10179892

      Hypertech Inline Speedometer Calibrator Module Installation Instructions Read More »

    • TSB #PIT5730A

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172333

      This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC.  Along with these messages, a SES MIL will be on and the brake pedal may feel hard. Read More »

    • TSB #N202294820

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172668

      Customer Satisfaction Program - The brake system control module software in these vehicles may contain an error. Read More »

    • TSB #N192282970-01

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10172658

      Service Update - Certain vehicles may have a condition where the check engine or the reduced power mode light may come on during start-up or while driving. Reprogram the engine control module and the reductant control module. Read More »

    • TSB #PIE0554

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

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

    • TSB #PIT5721A

      Date Announced:
      FEB 06, 2020
      NHTSA ID:
      #10172312

      This Preliminary Information communication provides information to the technician about vehicles that have Lane Keep Assist inoperative with the lane keep assist switch LED is always on and the lane keep assist Icon is not illuminated on ... Read More »

    • TSB #PIT5636B

      Date Announced:
      FEB 05, 2020
      NHTSA ID:
      #10172308

      This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. 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 #PIP5689C

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171316

      This Preliminary information communicates to the technician to reprogram the engine control module and, if necessary, diagnose and repair P24B0. Read More »

    • TSB #PIE0515B

      Date Announced:
      JAN 28, 2020
      NHTSA ID:
      #10172297

      This engineering informational bulletin is requesting information for checking for DTCs and the voltage (relative to a ground) on BOTH sides of the 400A starter fuse in the Battery Distribution Engine Compartment Fuse Block. Read More »

    • TSB #PIE0549A

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172300

      This engineering informational bulletin is requesting information from the field on no crank / no start issue resulting in a starter replacement due to the solenoid overheating. Read More »

    • TSB #PIP5675A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171288

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #PIP5700A

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

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

    • TSB #030846004W

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10172292

      This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »

    • TSB #PIP5689B

      Date Announced:
      JAN 07, 2020
      NHTSA ID:
      #10171258

      This Preliminary information communicates to the technician to reprogram the engine control module and, if necessary, diagnose and repair P24B0. Read More »

    • TSB #PIT5730

      Date Announced:
      JAN 06, 2020
      NHTSA ID:
      #10171256

      This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC.  Along with these messages, a SES MIL will be on and the brake pedal may feel hard. Read More »

    • TSB #PIP5689A

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170432

      This Preliminary information communicates to the technician to reprogram the engine control module and, if necessary, diagnose and repair P24B0. Read More »

    • TSB #PIE0549

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170502

      This engineering information bulletin is requesting information from the field on no crank / no start issue resulting in a starter replacement due to the solenoid overheating. Read More »

    • TSB #N192279350

      Date Announced:
      NOV 27, 2019
      NHTSA ID:
      #10169655

      N192279350 - Service Update Bulletin. On certain vehicles, dealer installed accessory LED fog lamps were offered and sold to customers, but there was not a body control module calibration available at the time to enable the fog lamps to ... Read More »

    • TSB #19NA262

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10169345

      This technical bulletin provides repair information to correct a customer concern of Clock Shows Dashes and Cannot be Set After Battery Disconnect. Read More »

    • TSB #PIE0546

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169366

      This engineering information (EI) bulletin is requesting information from the field on conditions of Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Read More »

    • TSB #PIE0547

      Date Announced:
      NOV 15, 2019
      NHTSA ID:
      #10169367

      This engineering informational bulletin is requesting information a issue that is caused by wire damage or an incorrect wire routing issue that results in a repair. Read More »

    • TSB #PIE0544

      Date Announced:
      NOV 07, 2019
      NHTSA ID:
      #10169363

      This engineering informational bulletin is requesting information on vehicles with the Service Engine Soon (SES) lamp being illuminated and DTC P1467 set. Read More »

    • TSB #PIE0515A

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10168216

      This engineering informational bulletin is requesting information for checking for DTCs and the voltage (relative to a ground) on BOTH sides of the 400A starter fuse in the Battery Distribution Engine Compartment Fuse Block. Read More »

    • TSB #PIT5715

      Date Announced:
      OCT 17, 2019
      NHTSA ID:
      #10167450

      This Preliminary Information provides information to the technician about a additional diagnostic tip for a check engine lamp for DTC p3055 and P3056 and the start/Stop being inoperative.  Read More »

    • TSB #19NA228

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

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

    • TSB #PIP5682

      Date Announced:
      OCT 01, 2019
      NHTSA ID:
      #10167421

      This Preliminary information communicates the potential for DTCs P2C7A and/or P14D9 to set, the current procedure to clear them and that an ECM calibration is being developed. Read More »

    • TSB #PIP5675

      Date Announced:
      SEP 10, 2019
      NHTSA ID:
      #10165884

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #PIP5673

      Date Announced:
      SEP 04, 2019
      NHTSA ID:
      #10165863

      This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. 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 #100845001G

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

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

    • TSB #060847001O

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

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

    ELECTRICAL SYSTEM:HORN

    • TSB #19NA160

      Date Announced:
      JAN 06, 2020
      NHTSA ID:
      #10171893

      This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch. Read More »

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

    • TSB #PIT5750

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178314

      This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    • TSB #PIE0578B

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181730

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Slow Start and/or No Start, Battery Message Indicated, having to jump ... Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #PIT5751C

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

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

    • TSB #PIT5751B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179644

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

    • TSB #PIT5751A

      Date Announced:
      JUN 30, 2020
      NHTSA ID:
      #10178360

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

    • TSB #PIT5751

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178321

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

    • TSB #PIT5750

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178314

      This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »

    • TSB #N192287840

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176822

      Service Update - Certain vehicles equipped with a 2.7L turbo engine (RPO L3B), may have a condition where the engine wiring harness may have been wrapped and/or routed incorrectly, creating the potential for wear-through in several ... 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 #N192266751

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10167478

      N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #N202319660

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

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

    • TSB #20NA199

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184493

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #PIT5792

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184099

      This Preliminary information communicates a condition where the trailering app cannot be opened and provides a process for clearing the cache and personal data so the application will operate as designed. Read More »

    • TSB #20NA199

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181722

      This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »

    • TSB #20NA155

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181694

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Message at Start Up or Shortly after Start Up. Read More »

    • TSB #20NA012

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178261

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #19NA269

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176618

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #20NA012

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174276

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #PIP5690

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10168984

      This Preliminary information communicates to dealer technicians there is a software anomaly not allowing the air filter life to be reset.  Read More »

    • TSB #PIP5685

      Date Announced:
      OCT 23, 2019
      NHTSA ID:
      #10167457

      This Preliminary information communicates A vehicle with a customer concern of a SES P0128, Engineering is aware of the concern and working on the a repair.  At this time clear the codes and do not replace the thermostat for this concern. Read More »

    • TSB #N192210560

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10164100

      Service Update Bulletin. Certain vehicles may have a condition where the vehicle does not accelerate or decelerate but maintains speed after releasing the accelerator pedal for up to approximately 65 seconds. 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:FOG LIGHTS

    • TSB #N192279350

      Date Announced:
      NOV 27, 2019
      NHTSA ID:
      #10169655

      N192279350 - Service Update Bulletin. On certain vehicles, dealer installed accessory LED fog lamps were offered and sold to customers, but there was not a body control module calibration available at the time to enable the fog lamps to ... Read More »

    EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

    • TSB #PIE0625

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191253

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »

    VISIBILITY

    • TSB #21NA032

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191214

      This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after MAF Replacement. Read More »

    • TSB #19NA076

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184482

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

    • TSB #18NA383

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183164

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #PIT5744

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176330

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #PIE0532A

      Date Announced:
      OCT 11, 2019
      NHTSA ID:
      #10168220

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to gathering information for the power outside folding mirror with the ... Read More »

    • TSB #PIE0532

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165138

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to gathering information for the power outside folding mirror with the ... Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • 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 #18NA383

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10180301

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #18NA383

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171889

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    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 #PIE0580A

      Date Announced:
      NOV 18, 2020
      NHTSA ID:
      #10184508

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area. Read More »

    • TSB #PIE0580

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10180705

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area. Read More »

    • 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 »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

    • TSB #PIT5734

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172339

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    AIR BAGS

    • TSB #21NA005

      Date Announced:
      MAR 18, 2021
      NHTSA ID:
      #10191213

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    • TSB #20NA175

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187409

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187217

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187622

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202319660 01

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

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

    • TSB #PIP5675D

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176324

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    SEAT BELTS

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10186055

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187217

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187622

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #N202316160

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10187369

      Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »

    • TSB #20NA048

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175758

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »

    STRUCTURE

    • TSB #PIP5798

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

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

    • TSB #19NA255

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10191197

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #PIP5776B

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10190356

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

    • TSB #PIP5771B

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

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

    • TSB #PIP5784

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

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

    • TSB #21NA026

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

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

    • TSB #030846004X

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10188402

      This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »

    • TSB #19NA257

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186075

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. Read More »

    • TSB #20NA175

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10186082

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #19NA257

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187389

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. Read More »

    • TSB #PIP5771

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187190

      This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. Read More »

    • TSB #PIP5771

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10185739

      This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. 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 #20NA183

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181709

      This technical bulletin provides repair information to correct a customer concern of seeing that the Summit White paint on front impact bar appears off-color, slightly yellow. Read More »

    • TSB #20NA175

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181703

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #19NA255

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178959

      This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #20NA141

      Date Announced:
      JUL 08, 2020
      NHTSA ID:
      #10178975

      This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored. Read More »

    • TSB #20NA095

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175773

      This informational bulletin is advising dealers to replace the grilles due to rust. Read More »

    • TSB #18NA383

      Date Announced:
      APR 06, 2020
      NHTSA ID:
      #10175747

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #18NA383

      Date Announced:
      FEB 17, 2020
      NHTSA ID:
      #10173388

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #PIP5705

      Date Announced:
      JAN 24, 2020
      NHTSA ID:
      #10171305

      This Preliminary information communicates A vehicle may have a concern of a vibration or drone around 40 MPH and 1200 RPM under a light load.  Debris in the tranmission mount. Inspect the transmission mount for debris. Read More »

    • TSB #18NA383

      Date Announced:
      DEC 10, 2019
      NHTSA ID:
      #10170705

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #PIP5673A

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170418

      This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. Read More »

    • TSB #N192279350

      Date Announced:
      NOV 27, 2019
      NHTSA ID:
      #10169655

      N192279350 - Service Update Bulletin. On certain vehicles, dealer installed accessory LED fog lamps were offered and sold to customers, but there was not a body control module calibration available at the time to enable the fog lamps to ... Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #20NA175

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183193

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #18NA383

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171889

      This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »

    • TSB #19NA257

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169342

      This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment. Read More »

    STRUCTURE:BODY

    • TSB #PIP5795

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190435

      This Preliminary information communicates to technicians to replace the rear cover with seal in the event of a rear oil seal leak. Read More »

    • TSB #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 #20NA194

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181719

      This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. 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 #PIT5749

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178305

      This Preliminary information communicates an issue with the rear door lock rod sticking in the door panel bezel and provides direction on repairing the issue. Read More »

    • TSB #18NA279

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171887

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #20NA059

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178264

      This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself. Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #PIT5749

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178305

      This Preliminary information communicates an issue with the rear door lock rod sticking in the door panel bezel and provides direction on repairing the issue. Read More »

    • TSB #18NA279

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171887

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

    • TSB #20NA040

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174282

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #20NA040

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172813

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #PIT5392D

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

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

    TIRES

    • TSB #20NA159

      Date Announced:
      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 »

    WHEELS

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

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

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

    • TSB #PIP5753

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181180

      PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. Read More »

    • TSB #N192272400

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176820

      Customer Satisfaction Program - Certain 2019-2020 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with an 8-Speed Automatic Transmission, may have a condition where the rear wheels will lock up at low speeds. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #PIP5646C

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171293

      This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. 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 #PIP5646B

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10165891

      This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Read More »

    TRAILER HITCHES

    • TSB #20NA198

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10187760

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #20NA198

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186083

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #20NA198

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187410

      This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »

    • TSB #PIE0562

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10174448

      This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses ... Read More »

    SEATS

    • TSB #PIT5745

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

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

    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: DYNAMIC BRAKE SUPPORT/BRAKE ASSIST

    • TSB #PIT5735C

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179626

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue. Read More »

    LANE DEPARTURE

    • TSB #PIE0610

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

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

    • TSB #PIT5713A

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10187200

      This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: -  IPC gauges sweeping while driving -  Several IPC warning messages and ... Read More »

    • TSB #PIT5713A

      Date Announced:
      DEC 22, 2020
      NHTSA ID:
      #10185749

      This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: -  IPC gauges sweeping while driving -  Several IPC warning messages and ... Read More »

    • TSB #PIT5721

      Date Announced:
      NOV 19, 2019
      NHTSA ID:
      #10168968

      This Preliminary Information communication provides information to the technician about vehicles that have Lane Keep Assist inoperative with the lane keep assist switch LED is always on and the lane keep assist Icon is not illuminated on ... Read More »

    LANE DEPARTURE: LANE KEEP: STEERING ASSIST

    • TSB #PIT5721A

      Date Announced:
      FEB 06, 2020
      NHTSA ID:
      #10172312

      This Preliminary Information communication provides information to the technician about vehicles that have Lane Keep Assist inoperative with the lane keep assist switch LED is always on and the lane keep assist Icon is not illuminated on ... Read More »

    BACK OVER PREVENTION

    • TSB #21NA018

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10188399

      This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area. Read More »

    • TSB #PIE0607

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10188415

      This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »

    • TSB #PIE0609

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

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

    • TSB #N202315380

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187214

      Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear. Read More »

    • TSB #N202315380

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187619

      Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear. 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 #20NA129

      Date Announced:
      AUG 17, 2020
      NHTSA ID:
      #10180311

      This informational bulletin provides information for dealers/technicians on Rear View Camera Display Bright At Night. Read More »

    • TSB #PIT5744

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176330

      This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »

    • TSB #PIP5653F

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176323

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

    BACK OVER PREVENTION:SOFTWARE

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187411

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    BACK OVER PREVENTION: BACK-UP ALARM

    • TSB #N202299520

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176818

      Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer. Read More »

    BACK OVER PREVENTION:DISPLAY FUNCTION

    • TSB #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187428

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    EQUIPMENT

    • 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 #PIP5745A

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190422

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

    • TSB #110089005Q

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191233

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

    • TSB #21NA043

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191217

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

    • TSB #PIE0607A

      Date Announced:
      MAR 03, 2021
      NHTSA ID:
      #10191239

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable ... 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 #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 #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186101

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    • TSB #N202319660 01

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

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

    • TSB #PIP5762

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187176

      This preliminary information communicates to technicians a possible valve cover causing oil consusmption and the repair. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #040089015V

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

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

    • TSB #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

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

    • TSB #20NA142

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

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

    • TSB #PIE0580A

      Date Announced:
      NOV 18, 2020
      NHTSA ID:
      #10184508

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area. Read More »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #PIT5792

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184099

      This Preliminary information communicates a condition where the trailering app cannot be opened and provides a process for clearing the cache and personal data so the application will operate as designed. 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 #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 #1308116001F

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

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

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

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

    • TSB #PIE0578B

      Date Announced:
      SEP 23, 2020
      NHTSA ID:
      #10181730

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Slow Start and/or No Start, Battery Message Indicated, having to jump ... Read More »

    • TSB #PIT5737B

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181156

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #PIT5754

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181157

      This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. Read More »

    • TSB #20NA194

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181719

      This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »

    • TSB #20NA183

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10181709

      This technical bulletin provides repair information to correct a customer concern of seeing that the Summit White paint on front impact bar appears off-color, slightly yellow. Read More »

    • TSB #PIP5667E

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179652

      This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components Read More »

    • TSB #PIT5767

      Date Announced:
      AUG 21, 2020
      NHTSA ID:
      #10179647

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser.  Read More »

    • TSB #PIT5666A

      Date Announced:
      AUG 17, 2020
      NHTSA ID:
      #10179637

      This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan.  Dealers are to reposition the harness to fix the noise. Read More »

    • TSB #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 #PIP5653H

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179636

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

    • TSB #PIP5733B

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179625

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

    • TSB #PIT5735C

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179626

      This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down.  GM Engineering released updated cals for the BSCM to repair the issue. 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 #PIP5653G

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178378

      This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.  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 #PIE0567A

      Date Announced:
      JUL 01, 2020
      NHTSA ID:
      #10179532

      This engineering information (EI) ends the needs for information from the field regarding SD Code messages displayed on the Radio Screen and/or Instrument Cluster - Navigation System Malfunction. Read More »

    • TSB #PIE0572

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178299

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a on a no restart after auto-stop event and/or, no crank. Read More »

    • TSB #PIT5674A

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178327

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

    • TSB #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 #PIT5751

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178321

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

    • TSB #PIT5752

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178322

      This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »

    • TSB #PIE0568C

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178297

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the conditions that are listed in this PIE. Read More »

    • TSB #110089005O

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

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

    • TSB #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 #19NA269

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176618

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. 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 #PIE0567

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176654

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - ... 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 #20NA012

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175756

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA048

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175758

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #PIP5653E

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173724

      This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.  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 #PIP5637E

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10173628

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. 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 #20NA044

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172815

      This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate. 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 #PIE0541A

      Date Announced:
      FEB 17, 2020
      NHTSA ID:
      #10173420

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a vibration and/or banging noise heard from under the vehicle. Read More »

    • TSB #19NA218

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173397

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #PIP5677B

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172303

      This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Read More »

    • TSB #110089002D

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172294

      This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #20NA016

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10172285

      This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »

    • TSB #PIE0538A

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10172298

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to 8 speed transmission shift quality. Read More »

    • TSB #030846004W

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10172292

      This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA 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 #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 #19NA269

      Date Announced:
      DEC 10, 2019
      NHTSA ID:
      #10170491

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #PIP5688

      Date Announced:
      DEC 05, 2019
      NHTSA ID:
      #10170422

      This Preliminary information communicates to the dealer technician to instruct the customer to use the block heater only at temperatures 0F and below. A calibration will become available at a later date. Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »

    • TSB #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 #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18NA146

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165087

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #130089008B

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165126

      This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »

    • TSB #PIP5637A

      Date Announced:
      AUG 14, 2019
      NHTSA ID:
      #10164769

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. 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 #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

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

    • TSB #16NA222

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163193

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

    • TSB #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 »

    EQUIPMENT:RECREATIONAL VEHICLE/TRAILER

    • TSB #PIT5747

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10178307

      This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #PIT5752

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181161

      This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »

    • TSB #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 #PIT5411S

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172304

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    • TSB #18NA279

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10168186

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #17NA276

      Date Announced:
      AUG 20, 2019
      NHTSA ID:
      #10165084

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

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #19NA076

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184482

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

    • TSB #20NA199

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184493

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181722

      This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »

    • TSB #PIT5737B

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178366

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #20NA012

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178261

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA087

      Date Announced:
      APR 09, 2020
      NHTSA ID:
      #10175766

      This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio. Read More »

    • TSB #PIT5411S

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172304

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIT5411S

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172304

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

    • TSB #21NA002

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10187767

      This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »

    EQUIPMENT:MECHANICAL

    • TSB #20NA175

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183193

      This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »

    • TSB #PIE0563

      Date Announced:
      APR 02, 2020
      NHTSA ID:
      #10175859

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

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

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

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

    • TSB #18NA099

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180299

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

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #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 #PIE0555A

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175857

      This engineering information (EI) is requesting information from the field on vehicles experiencing reduced engine power. GM Engineering needs to gather information to root cause the customer concern and develop a field fix. 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 #20NA059

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174081

      This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself. Read More »

    • TSB #20NA050

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174073

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

    • TSB #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

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

    • TSB #000310003Y

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

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

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

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

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #19NA263

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169346

      This informational bulletin explains a normal condition for sludge to form in the oil cap when equipped with DEF system. 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 #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

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

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #060847001O

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

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

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #20NA078

      Date Announced:
      NOV 23, 2020
      NHTSA ID:
      #10184484

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

    • TSB #20NA142

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

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

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIE0576A

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184507

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a start/stop event or during a normal start using the push button on the dash ... 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 #20NA194

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181719

      This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. 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 #PIT5752

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178322

      This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

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

    • TSB #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 #20NA095

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175773

      This informational bulletin is advising dealers to replace the grilles due to rust. Read More »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

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

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #PIP5653E

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173724

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

    • TSB #20NA012

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174276

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

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

    • TSB #040601029J

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

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

    • TSB #20NA040

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172813

      This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »

    • TSB #20NA043

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

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

    • TSB #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 #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »

    • TSB #PIE0536A

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169360

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

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

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

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

    • TSB #100845001G

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

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

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

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

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

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

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIT5734A

      Date Announced:
      OCT 08, 2020
      NHTSA ID:
      #10182543

      This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked. Read More »

    • TSB #PIT5767

      Date Announced:
      AUG 21, 2020
      NHTSA ID:
      #10179647

      This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser.  Read More »

    • TSB #PIP5688A

      Date Announced:
      DEC 17, 2019
      NHTSA ID:
      #10170476

      This Preliminary information communicates to the dealer technician to instruct the customer to use the block heater only at temperatures 0F and below. A calibration will become available at a later date. Read More »

    • TSB #PIP5686

      Date Announced:
      OCT 28, 2019
      NHTSA ID:
      #10167464

      This Preliminary information communicates A vehicle may come into the dealer with a rough idle, lean running concern and/or air leak noise from the PCV system. Read More »

    UNKNOWN OR OTHER

    • TSB #PIE0544A

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169364

      This engineering informational bulletin is requesting information on vehicles with the Service Engine Soon (SES) lamp being illuminated and DTC P1467 set. Read More »