Is your defective Chevrolet Colorado actually a LEMON?

Find out in 30 SECONDS or less if it qualifies for a REFUND or a CASH SETTLEMENT.

Print this page

TSB List for the 2021 Chevrolet Colorado

Technical Service Bulletins (TSBs) for the 2021 Colorado are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • STEERING
  • SUSPENSION
  • SUSPENSION:FRONT:SHOCK ABSORBER
  • SUSPENSION:FRONT:MACPHERSON STRUT
  • SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
  • SUSPENSION:REAR:AXLE:SPINDLE
  • SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
  • BRAKES (PWS)
  • SERVICE BRAKES, HYDRAULIC
  • SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
  • SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
  • SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
  • PARKING BRAKE
  • ENGINE (PWS)
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
  • ENGINE AND ENGINE COOLING:ENGINE:DIESEL
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
  • FUEL SYSTEM, GASOLINE
  • FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER
  • FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
  • FUEL SYSTEM, DIESEL
  • FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
  • FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:INJECTORS
  • FUEL SYSTEM, OTHER
  • FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
  • FUEL SYSTEM, OTHER:KINETIC:CLUTCH
  • POWER TRAIN
  • POWER TRAIN:MANUAL TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
  • POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
  • POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY
  • POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS
  • ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS
  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY
  • ELECTRICAL SYSTEM:WIRING
  • ELECTRICAL SYSTEM:IGNITION
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS
  • ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
  • ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE
  • ELECTRICAL SYSTEM:SOFTWARE
  • ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS
  • ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS
  • EXTERIOR LIGHTING
  • VISIBILITY:GLASS, SIDE/REAR
  • VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS
  • VISIBILITY:SUN/MOON ROOF ASSEMBLY
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES
  • AIR BAGS
  • SEAT BELTS
  • STRUCTURE
  • STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
  • STRUCTURE:BODY
  • STRUCTURE:BODY:TAILGATE
  • STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS
  • LATCHES/LOCKS/LINKAGES
  • VEHICLE SPEED CONTROL
  • TIRES
  • TIRES:SIDEWALL
  • TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
  • WHEELS
  • TRAILER HITCHES
  • SEATS:MID/REAR ASSEMBLY
  • ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
  • FORWARD COLLISION AVOIDANCE
  • LANE DEPARTURE
  • BACK OVER PREVENTION
  • BACK OVER PREVENTION:DISPLAY FUNCTION
  • INTERIOR LIGHTING
  • COMMUNICATION: VEHICLE TO INFRASTRUCTURE
  • COMMUNICATION:MANUFACTURER TELEMATICS
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL
  • EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI
  • EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE
  • EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS
  • EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:OUTLETS/RECEPTACLE
  • EQUIPMENT:MECHANICAL
  • EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING
  • EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS
  • EQUIPMENT:EMERGENCY:FIRE SUPRESSION:SMOKE/CO WARNING/ALARM
  • UNKNOWN OR OTHER
  • STEERING

    • TSB #24-NA-008

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249949

      This technical bulletin advises the technician of possible concerns caused by failed or incorrectly installed parts that may cause the battery positive cable to contact the water pump pulley or alternator. Read More »

    • TSB #03-00-91-001I

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

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

    • TSB #15-00-89-004F

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

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

    • TSB #PI0281J

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #16-NA-109

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

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

    • TSB #PIT5474D

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208045

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Read More »

    • TSB #16NA109

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

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

    SUSPENSION

    • TSB #PIT5214F

      Date Announced:
      NOV 14, 2023
      NHTSA ID:
      #10247352

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

    • TSB #03-00-91-001I

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

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

    • TSB #17-NA-394

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10245195

      This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. Read More »

    • TSB #15-00-89-004F

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

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

    • TSB #17-NA-394

      Date Announced:
      MAY 01, 2023
      NHTSA ID:
      #10236050

      This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. Read More »

    • TSB #PI0281J

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #PIP5348D

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10211767

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #17NA394

      Date Announced:
      NOV 15, 2021
      NHTSA ID:
      #10205538

      This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. Read More »

    • TSB #050308002I

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

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

    • TSB #PIP5348C

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10193441

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #PIP5743A

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10193431

      This Preliminary information communicates to the dealer technician diagnostic tips for a vibration concern at low engine speeds. Read More »

    • TSB #17NA394

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10191168

      This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. Read More »

    • TSB #20NA156

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184490

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #150089004C

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

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

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004C

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

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

    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

    • TSB #20NA156

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184490

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    SUSPENSION:REAR:AXLE:SPINDLE

    • TSB #20NA156

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214201

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

    • TSB #20NA156

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214201

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    BRAKES (PWS)

    • TSB #PIP5596A

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253061

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

    • TSB #PIT5479F

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

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

    • TSB #21-NA-142

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10228891

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #21-NA-142

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219288

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #21-NA-043

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

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

    • TSB #PIT5696F

      Date Announced:
      APR 11, 2022
      NHTSA ID:
      #10211760

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    • TSB #18NA067

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10212603

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

    • TSB #20NA156

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214201

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    • TSB #070316004D

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

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

    • TSB #PIT5812A

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10197288

      This preliminary information addresses a brake noise concern engineering is investigating at this time. Read More »

    • TSB #PIT5696E

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190403

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #15-00-89-004E

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

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

    • TSB #21-NA-142

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210544

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #PIT5396F

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10211766

      This Preliminary Information communication provides information to the technician that some vehicle may have a water leak into the cabin. Water staining may be seen in the headliner or water may be on the floor. Read More »

    • TSB #21-NA-142

      Date Announced:
      MAR 09, 2022
      NHTSA ID:
      #10209401

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #PIP4723F

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

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

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #21NA142

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10200143

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

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

    • TSB #PIT5696F

      Date Announced:
      APR 11, 2022
      NHTSA ID:
      #10211760

      This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer. Read More »

    SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

    • TSB #PIT5569B

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

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

    PARKING BRAKE

    • TSB #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 »

    ENGINE (PWS)

    • TSB #PIP5628G

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10242298

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

    • TSB #12-00-89-003B

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

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

    • TSB #PIP5824A

      Date Announced:
      FEB 25, 2022
      NHTSA ID:
      #10208994

      This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern. Read More »

    • TSB #18NA073

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

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

    • TSB #PIP5632F

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

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

    • TSB #21NA278

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205594

      This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #N212344390

      Date Announced:
      OCT 21, 2021
      NHTSA ID:
      #10207740

      Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a 2.8L diesel engine (RPO LWN). Read More »

    • TSB #19NA256

      Date Announced:
      AUG 20, 2021
      NHTSA ID:
      #10205052

      This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... Read More »

    • TSB #18NA073

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10205048

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

    • TSB #19NA256

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10199244

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10199270

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #19NA044

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

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

    • TSB #000601026N

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

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

    • TSB #PIP5803A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193459

      This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »

    • TSB #PIP5730B

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190391

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    • TSB #18NA073

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

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

    • TSB #19NA256

      Date Announced:
      JAN 14, 2021
      NHTSA ID:
      #10187751

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. 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 #PIP5416D

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184101

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. 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 #16NA017

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183123

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    • TSB #19NA233

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183173

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

    ENGINE AND ENGINE COOLING

    • TSB #22-NA-003

      Date Announced:
      APR 25, 2024
      NHTSA ID:
      #10254388

      This technical bulletin provides a procedure to inspect and repair possible locations to wiring shorts in the wiring harness or wiring harness contact areas they may cause shorts. Read More »

    • TSB #16-NA-383

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

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

    • TSB #22-NA-074

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

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

    • TSB #22-NA-193

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10250579

      This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate. Read More »

    • TSB #16-NA-222

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

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

    • TSB #16-NA-338

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

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

    • TSB #24-NA-008

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249949

      This technical bulletin advises the technician of possible concerns caused by failed or incorrectly installed parts that may cause the battery positive cable to contact the water pump pulley or alternator. Read More »

    • TSB #PI1394B

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

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

    • TSB #22-NA-240

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249037

      This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair. Read More »

    • TSB #21-NA-147

      Date Announced:
      DEC 13, 2023
      NHTSA ID:
      #10247524

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminateda??. Read More »

    • TSB #20-NA-132

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

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

    • TSB #19-NA-256

      Date Announced:
      NOV 29, 2023
      NHTSA ID:
      #10246483

      This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... Read More »

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #03-00-91-001I

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

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

    • TSB #01-06-01-011O

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

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

    • TSB #17-NA-157

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

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

    • TSB #23-NA-153

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

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

    • TSB #18-NA-073

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

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

    • TSB #16-NA-222

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

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

    • TSB #23-NA-141

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

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

    • TSB #15-00-89-004F

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

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

    • TSB #04-06-04-051H

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

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

    • TSB #16-NA-244

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241502

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

    • TSB #09-06-04-026X

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

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

    • TSB #01-06-01-011N

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

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

    • TSB #04-07-30-013E

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

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

    • TSB #19-NA-219

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

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

    • TSB #18-NA-307

      Date Announced:
      APR 14, 2023
      NHTSA ID:
      #10235583

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head to correct customer concerns of Lack of Power, Reduced Power Displayed on DIC, ... Read More »

    • TSB #19-NA-237

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235397

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

    • TSB #PIT5887C

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10236132

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #PI0281J

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

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

    • TSB #20-NA-132

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

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

    • TSB #19-NA-219

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

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

    • TSB #20-NA-082

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234142

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

    • TSB #21-NA-043

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

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

    • TSB #00-06-01-012M

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

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

    • TSB #22-NA-009

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

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

    • TSB #00-06-01-026Q

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

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

    • TSB #16-NA-222

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

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

    • TSB #18-NA-073

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

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

    • TSB #19-NA-237

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234105

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

    • TSB #16-NA-244

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233838

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

    • TSB #07-06-01-016I

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

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

    • TSB #16-NA-380

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233844

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

    • TSB #19-NA-256

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10234106

      This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... Read More »

    • TSB #10-06-05-002L

      Date Announced:
      MAR 14, 2023
      NHTSA ID:
      #10233833

      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 #22-NA-115

      Date Announced:
      FEB 01, 2023
      NHTSA ID:
      #10231893

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #PIE0731A

      Date Announced:
      JAN 27, 2023
      NHTSA ID:
      #10231517

      This engineering information (EI) closure ends the need for gathering information from technicians in regards to the Malfunction Indicator Lamp (MIL) illuminated on the driver information center (DIC). Read More »

    • TSB #22-NA-171

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231421

      This service bulletin provides service information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated on Driver Information Center (DIC) with DTCs P0171, P0174 Set. Read More »

    • TSB #22-NA-115

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230603

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #18-NA-073

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

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

    • TSB #21-NA-124

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

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

    • TSB #16-NA-338

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

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

    • TSB #PIE0731

      Date Announced:
      DEC 09, 2022
      NHTSA ID:
      #10228856

      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 on the driver information ... Read More »

    • TSB #22-NA-240

      Date Announced:
      DEC 01, 2022
      NHTSA ID:
      #10227795

      This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair. Read More »

    • TSB #20-NA-138

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

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

    • TSB #PIE0714A

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10227292

      This engineering information (EI) closure ends the need for further information from the technician in regards to the crankshaft balancer appearing to be wobbling and/or vibrating, mounting bolt does not appear to be centered. Read More »

    • TSB #22-NA-074

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

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

    • TSB #PIP5175E

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

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

    • TSB #22-NA-193

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10222837

      This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate. Read More »

    • TSB #03-06-04-017R

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

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

    • TSB #05-06-04-022T

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

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

    • TSB #15-00-89-004E

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

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

    • TSB #06-00-89-031H

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

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

    • TSB #07-06-01-016H

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

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

    • TSB #16-NA-244

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222778

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

    • TSB #09-06-04-026W

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

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

    • TSB #16-NA-380

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222779

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

    • TSB #18-NA-103

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222780

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

    • TSB #05-00-89-072F

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

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

    • TSB #22-NA-009

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

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

    • TSB #22-NA-154

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222800

      This informational bulletin is for Korea to see normal operation of A/C compressor. Read More »

    • TSB #01-06-01-011M

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

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

    • TSB #00-06-01-012L

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

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

    • TSB #04-06-04-051G

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

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

    • TSB #10-06-05-002K

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

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

    • TSB #19-NA-237

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222781

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

    • TSB #20-NA-082

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222782

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

    • TSB #00-06-01-026P

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

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

    • TSB #16-NA-222

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

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

    • TSB #PIE0714

      Date Announced:
      AUG 16, 2022
      NHTSA ID:
      #10219274

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the crankshaft balancer appears to be wobbling and/or vibrating, mounting ... Read More »

    • TSB #20-NA-065

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

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

    • TSB #19-NA-044

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

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

    • TSB #12-01-37-001F

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

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

    • TSB #22-NA-115

      Date Announced:
      JUN 23, 2022
      NHTSA ID:
      #10215629

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #22-NA-009

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

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

    • TSB #22-NA-115

      Date Announced:
      MAY 27, 2022
      NHTSA ID:
      #10213535

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #21-NA-043

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

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

    • TSB #18-NA-115

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10211692

      This service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. Read More »

    • TSB #PIT5887A

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211777

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #PIT5688D

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211778

      This preliminary information was released to advise of an alternate means of purging the air from the cooling system. Read More »

    • TSB #22-NA-074

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

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

    • TSB #05-00-89-072E

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

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

    • TSB #22-NA-009

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

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

    • TSB #21-NA-036

      Date Announced:
      MAR 11, 2022
      NHTSA ID:
      #10209400

      This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »

    • TSB #PIT5479E

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

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

    • TSB #19NA233

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212615

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

    • TSB #PIP5628E

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

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

    • TSB #19NA104

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205539

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

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #18NA307

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198845

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. Read More »

    • TSB #19NA256

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198853

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10198879

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10199270

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #19NA044

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

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

    • TSB #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 #010601011L

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

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

    • TSB #PIT5479D

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

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

    • TSB #PIT5479D

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

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

    • TSB #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 #18NA115

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181670

      This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. 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 #17NA222

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183139

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #17NA114

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183135

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #20-NA-082

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241853

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

    • TSB #20NA110

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10214200

      This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »

    • TSB #16NA325

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212590

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #030604017O

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

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #010601011L

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

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

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

    • TSB #22NA009

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

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

    • TSB #16NA222

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

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

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS

    • TSB #17NA114

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212595

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

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

    • TSB #PIT5668D

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208033

      This preliminary information is to clarify a normal fluctuation of the temperature gauge. Read More »

    • TSB #16NA206

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10212587

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

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

    • TSB #PIP5628F

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

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

    • TSB #PIP5830A

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10230698

      This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. Read More »

    • TSB #16NA325

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212590

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #PIP5830

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10204457

      This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    • TSB #19NA007

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183165

      This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

    • TSB #18NA103

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

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

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #10-06-05-002M

      Date Announced:
      AUG 02, 2023
      NHTSA ID:
      #10241418

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

    • TSB #16-NA-244

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233838

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

    • TSB #16-NA-380

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233844

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

    • TSB #19NA237

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

      This informational bulletin explains how to identify possible DEF contamination. 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 #16NA206

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183125

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

    • TSB #17NA352

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183149

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    • TSB #17NA134

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183136

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

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #19-NA-044

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

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

    • TSB #20-NA-082

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222782

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

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

    • TSB #16NA380

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

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

    FUEL SYSTEM, GASOLINE

    • TSB #PIP5596A

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253061

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

    • TSB #22-NA-193

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10250579

      This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate. Read More »

    • TSB #19-NA-044

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

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

    • TSB #PIP5824C

      Date Announced:
      JAN 08, 2024
      NHTSA ID:
      #10249964

      This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern. Read More »

    • TSB #PIP4964E

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10246003

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Read More »

    • TSB #04-06-04-051H

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

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

    • TSB #21-NA-043

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

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

    • TSB #05-06-04-022T

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

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

    • TSB #05-00-89-072F

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

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

    • TSB #04-06-04-051G

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

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

    • TSB #19-NA-044

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

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

    • TSB #21-NA-043

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

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

    • TSB #05-00-89-072E

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

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

    • TSB #18NA103

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10212607

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

    • TSB #PIP4723F

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

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

    • TSB #PIT5493E

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10208024

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Read More »

    • TSB #030604017P

      Date Announced:
      JAN 07, 2022
      NHTSA ID:
      #10213758

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

    • TSB #16NA244

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

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

    • TSB #050604022S

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

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

    • TSB #PIP5824

      Date Announced:
      SEP 22, 2021
      NHTSA ID:
      #10202400

      This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern. Read More »

    • TSB #20NA110

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

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

    • TSB #21NA114

      Date Announced:
      MAY 13, 2021
      NHTSA ID:
      #10198885

      This technical bulletin provides repair information to correct a customer concern of Fuel Gauge accuracy issues. 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 »

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

    • TSB #21NA124

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

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

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #04-06-04-051F

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

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

    FUEL SYSTEM, DIESEL

    • TSB #10-06-05-002M

      Date Announced:
      AUG 02, 2023
      NHTSA ID:
      #10241418

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

    • TSB #03-06-04-017T

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

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

    • TSB #18-NA-103

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

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

    • TSB #16-NA-244

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241502

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

    • TSB #20-NA-082

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241853

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

    • TSB #19-NA-237

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235397

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

    • TSB #03-06-04-017S

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

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

    • TSB #16-NA-244

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233838

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

    • TSB #03-06-04-017R

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

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

    • TSB #05-06-04-022T

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

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

    • TSB #16-NA-244

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222778

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

    • TSB #16-NA-380

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222779

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

    • TSB #18-NA-103

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222780

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

    • TSB #03-06-04-017Q

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

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

    • TSB #10-06-05-002K

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

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

    • TSB #19-NA-237

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222781

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

    • TSB #20-NA-082

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10222782

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

    • TSB #PIP5856

      Date Announced:
      MAY 26, 2022
      NHTSA ID:
      #10213816

      This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel. Read More »

    • TSB #21-NA-043

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

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

    • TSB #030604017P

      Date Announced:
      JAN 07, 2022
      NHTSA ID:
      #10213758

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

    • TSB #16NA244

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

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

    • TSB #050604022S

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

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

    • TSB #20NA110

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

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

    • TSB #030604017O

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

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

    • TSB #16NA244

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

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

    • TSB #19NA237

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

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

    • TSB #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 #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, DIESEL:DELIVERY:FUEL PUMP

    • TSB #20NA110

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10214200

      This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »

    • TSB #20NA110

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

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

    FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #16NA017

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183123

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    FUEL SYSTEM, OTHER

    • TSB #PIP5824B

      Date Announced:
      NOV 10, 2022
      NHTSA ID:
      #10227663

      This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern. Read More »

    • TSB #150089004D

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213765

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

    FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

    • TSB #18NA235

      Date Announced:
      JAN 21, 2022
      NHTSA ID:
      #10212609

      This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns. 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 #PIP5968

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

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

    • TSB #PIP5966

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

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

    • TSB #16-NA-338

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

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

    • TSB #22-NA-246

      Date Announced:
      JAN 18, 2024
      NHTSA ID:
      #10249743

      This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high ... Read More »

    • TSB #24-NA-008

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249949

      This technical bulletin advises the technician of possible concerns caused by failed or incorrectly installed parts that may cause the battery positive cable to contact the water pump pulley or alternator. Read More »

    • TSB #PI1394B

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

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

    • TSB #16-NA-361

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248703

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #03-00-91-001I

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

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

    • TSB #16-NA-361

      Date Announced:
      OCT 19, 2023
      NHTSA ID:
      #10245194

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #PIP5943

      Date Announced:
      OCT 19, 2023
      NHTSA ID:
      #10246011

      This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions Read More »

    • TSB #22-NA-225

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

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

    • TSB #23-NA-153

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

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

    • TSB #PIP5621D

      Date Announced:
      AUG 24, 2023
      NHTSA ID:
      #10242309

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

    • TSB #15-00-89-004F

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

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

    • TSB #17-NA-066

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

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

    • TSB #17-NA-066

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

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

    • TSB #04-07-30-013E

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

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

    • TSB #08-07-30-026H

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

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

    • TSB #PIC5650K

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

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

    • TSB #16-NA-019

      Date Announced:
      MAY 02, 2023
      NHTSA ID:
      #10236046

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

    • TSB #16-NA-019

      Date Announced:
      APR 14, 2023
      NHTSA ID:
      #10235580

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

    • TSB #08-07-30-035G

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

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

    • TSB #PIT5887C

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10236132

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #PI0281J

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

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

    • TSB #16-NA-019

      Date Announced:
      MAR 21, 2023
      NHTSA ID:
      #10234140

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

    • TSB #21-NA-106

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234109

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #PIT5887B

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234225

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #16-NA-130

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

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

    • TSB #99-04-20-002N

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

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

    • TSB #21-NA-106

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232073

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #20-NA-187

      Date Announced:
      JAN 12, 2023
      NHTSA ID:
      #10230609

      This service 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 #21-NA-106

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230601

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #19-NA-136

      Date Announced:
      DEC 21, 2022
      NHTSA ID:
      #10228907

      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 #PIP5830A

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10230698

      This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. Read More »

    • TSB #16-NA-338

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

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

    • TSB #22-NA-246

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10228225

      This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for possible other issues, but it still may be possible on high mile ... Read More »

    • TSB #19-NA-136

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227229

      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 #20-NA-138

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

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

    • TSB #22-NA-225

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

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

    • TSB #PIP5175E

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

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

    • TSB #PIT5887A

      Date Announced:
      OCT 04, 2022
      NHTSA ID:
      #10226358

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #22-NA-185

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10222832

      This informational bulletin explains how the trans slip or flare can be a normal condition. Read More »

    • TSB #15-00-89-004E

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

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

    • TSB #06-00-89-031H

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

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

    • TSB #PIP5621C

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

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

    • TSB #22-NA-184

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222670

      This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal. Read More »

    • TSB #PIP5640A

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10224273

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

    • TSB #22-NA-181

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

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

    • TSB #20-NA-156

      Date Announced:
      AUG 09, 2022
      NHTSA ID:
      #10218875

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern of rear axle clunk. Read More »

    • TSB #16-NA-019

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10211684

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

    • TSB #PIP5348D

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10211767

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #16NA361

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10212591

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #PIT5474D

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208045

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Read More »

    • TSB #17NA222

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10212598

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #19NA018

      Date Announced:
      AUG 25, 2021
      NHTSA ID:
      #10205050

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

    • TSB #PIC5650J

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

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

    • TSB #PIE0645

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10200174

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), ... Read More »

    • TSB #080730035E

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

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

    • TSB #16NA338

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

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

    • TSB #21NA106

      Date Announced:
      APR 30, 2021
      NHTSA ID:
      #10194117

      This informational bulletin advises the technician to verify the TCM is asleep before trying to repair the transmission in order for all the codes to be re-set. Read More »

    • TSB #PIP5802

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193444

      This Preliminary information communicates diagnostic assistance for DTC's P219A and P219B. Read More »

    • TSB #PIP5348C

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10193441

      This Preliminary Information communication provides information to the technician about vehicles that may have a vibration at idle in gear or at very low speeds. Read More »

    • TSB #PIP5743A

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10193431

      This Preliminary information communicates to the dealer technician diagnostic tips for a vibration concern at low engine speeds. 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 #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 #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 #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 »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #990420002L

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

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

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #17-NA-066

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

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

    • TSB #990420002L

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

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

    • TSB #060089031F

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

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

    • TSB #1308116001F

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

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

    • TSB #16NA361

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

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #PIP5621C

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

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

    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:FLUID/LUBRICANT:VALVES/VALVE BODY

    • TSB #16-NA-130

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

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

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #19NA136

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

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

    ELECTRICAL SYSTEM

    • TSB #22-NA-003

      Date Announced:
      APR 25, 2024
      NHTSA ID:
      #10254388

      This technical bulletin provides a procedure to inspect and repair possible locations to wiring shorts in the wiring harness or wiring harness contact areas they may cause shorts. Read More »

    • TSB #23-NA-064

      Date Announced:
      APR 16, 2024
      NHTSA ID:
      #10254014

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #20-NA-132

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

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

    • TSB #10-08-45-001H

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

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

    • TSB #20-NA-132

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

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

    • TSB #23-NA-055

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250276

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-189

      Date Announced:
      JAN 29, 2024
      NHTSA ID:
      #10250278

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #24-NA-008

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249949

      This technical bulletin advises the technician of possible concerns caused by failed or incorrectly installed parts that may cause the battery positive cable to contact the water pump pulley or alternator. Read More »

    • TSB #PI0592I

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

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

    • TSB #20-NA-132

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

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

    • TSB #PIP5700E

      Date Announced:
      NOV 27, 2023
      NHTSA ID:
      #10247370

      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 #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #23-NA-189

      Date Announced:
      OCT 25, 2023
      NHTSA ID:
      #10245248

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #23-NA-065

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

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

    • TSB #PIT5698D

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

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

    • TSB #23-NA-065

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

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

    • TSB #16-NA-222

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

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

    • TSB #18-NA-103

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

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

    • TSB #09-06-04-026X

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

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

    • TSB #23-NA-125

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

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

    • TSB #23-NA-055

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239638

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-064

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239116

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #13-08-116-001I

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

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

    • TSB #21-NA-061

      Date Announced:
      JUN 12, 2023
      NHTSA ID:
      #10239039

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #PIT5509K

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237677

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

    • TSB #PIT5509J

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

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

    • TSB #18-NA-307

      Date Announced:
      APR 14, 2023
      NHTSA ID:
      #10235583

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head to correct customer concerns of Lack of Power, Reduced Power Displayed on DIC, ... Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235604

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #PIT5887C

      Date Announced:
      APR 04, 2023
      NHTSA ID:
      #10236132

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #20-NA-132

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

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

    • TSB #23-NA-064

      Date Announced:
      APR 03, 2023
      NHTSA ID:
      #10235405

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #23-NA-055

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234163

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #21-NA-043

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

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

    • TSB #21-NA-106

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234109

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #PIT5887B

      Date Announced:
      MAR 17, 2023
      NHTSA ID:
      #10234225

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #21-NA-061

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234107

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #23-NA-044

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

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

    • TSB #21-NA-106

      Date Announced:
      FEB 07, 2023
      NHTSA ID:
      #10232073

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #22-NA-115

      Date Announced:
      FEB 01, 2023
      NHTSA ID:
      #10231893

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #21-NA-135

      Date Announced:
      JAN 13, 2023
      NHTSA ID:
      #10230612

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #21-NA-106

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230601

      This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did ... Read More »

    • TSB #22-NA-115

      Date Announced:
      JAN 06, 2023
      NHTSA ID:
      #10230603

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #22-NA-238

      Date Announced:
      NOV 30, 2022
      NHTSA ID:
      #10227401

      This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. Read More »

    • TSB #22-NA-085

      Date Announced:
      NOV 04, 2022
      NHTSA ID:
      #10226117

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-205

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

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

    • TSB #22-NA-085

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10225612

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #PIT5887A

      Date Announced:
      OCT 04, 2022
      NHTSA ID:
      #10226358

      This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation. Read More »

    • TSB #PI0592G

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

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

    • TSB #13-08-116-001H

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

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

    • TSB #21-NA-068

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

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

    • TSB #21-NA-182

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222663

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #PIT5569B

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

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

    • TSB #22-NA-115

      Date Announced:
      JUN 23, 2022
      NHTSA ID:
      #10215629

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #22-NA-115

      Date Announced:
      MAY 27, 2022
      NHTSA ID:
      #10213535

      This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »

    • TSB #PIT5492E

      Date Announced:
      MAY 23, 2022
      NHTSA ID:
      #10213809

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. Read More »

    • TSB #PIT5512C

      Date Announced:
      MAY 23, 2022
      NHTSA ID:
      #10213810

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIP4670J

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

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

    • TSB #21-NA-036

      Date Announced:
      MAR 11, 2022
      NHTSA ID:
      #10209400

      This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »

    • TSB #PIC6450

      Date Announced:
      FEB 24, 2022
      NHTSA ID:
      #10208991

      This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. Read More »

    • TSB #PIT5474D

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208045

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Read More »

    • TSB #PIT5493E

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10208024

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Read More »

    • TSB #17NA352

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212599

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    • TSB #PIT5880

      Date Announced:
      DEC 23, 2021
      NHTSA ID:
      #10206745

      This preliminary information serves as a diagnostic aid for a condition where the ignition switch may not rotate all the way back to the lock position when the ignition is turned off and addresses areas to look for resolution. Read More »

    • TSB #21NA278

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205594

      This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #N212344390

      Date Announced:
      OCT 21, 2021
      NHTSA ID:
      #10207740

      Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a 2.8L diesel engine (RPO LWN). Read More »

    • TSB #PIT5839B

      Date Announced:
      AUG 18, 2021
      NHTSA ID:
      #10201317

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #PIT5509H

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

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

    • TSB #PIT5509H

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

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

    • TSB #21NA124

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

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

    • TSB #18NA307

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10199236

      This technical bulletin provides a procedure to locate and repair a possible short in the wiring harness located at the camshaft cover or the cylinder head. Read More »

    • TSB #21NA085

      Date Announced:
      MAY 13, 2021
      NHTSA ID:
      #10199262

      This technical bulletin provides repair information to correct a customer concern of MIL Illuminated with DTC?P16F3 Set. Read More »

    • TSB #19NA044

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

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

    • TSB #21NA105

      Date Announced:
      APR 29, 2021
      NHTSA ID:
      #10194116

      This technical bulletin provides repair information to correct a customer concern of Engine Control Module Calibration for DTC P0171 and P0174 Set. 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 #PIT5790A

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187195

      This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating Read More »

    • TSB #PIT5516F

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185723

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5516F

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187174

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

    • TSB #PIT5626C

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10187172

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #PIT5512B

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10185719

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIC6423

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187168

      This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. Read More »

    • TSB #PIT5512B

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187170

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIP5416D

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184101

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. 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 #20NA157

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

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

    • TSB #20NA160

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181696

      This informational bulletin provides information for dealers/technicians on Normal Characteristic - Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles. Read More »

    ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS

    • TSB #PIT5962A

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

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

    ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS

    • TSB #PIT5516G

      Date Announced:
      JAN 20, 2022
      NHTSA ID:
      #10208049

      This Preliminary Information communicates the steps on diagnosing the concern of the accessory off road lamps are inoperative after installation. Read More »

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

    • TSB #20-NA-132

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

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

    • TSB #20NA132

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

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

    ELECTRICAL SYSTEM:WIRING

    • TSB #PIP5416D

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10208016

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    • TSB #22NA003

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10212620

      This technical bulletin provides a procedure to inspect and repair possible locations to wiring shorts in the wiring harness or wiring harness contact areas they may cause shorts. Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #PIC5650K

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

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

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #21NA061

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10192031

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »

    • TSB #21NA068

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10192034

      This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2021 and newer model year vehicles with RPO ... Read More »

    ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #22-NA-171

      Date Announced:
      JAN 19, 2023
      NHTSA ID:
      #10231421

      This service bulletin provides service information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated on Driver Information Center (DIC) with DTCs P0171, P0174 Set. Read More »

    • TSB #PIE0645

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10200174

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), ... Read More »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE

    • TSB #21NA114

      Date Announced:
      MAY 13, 2021
      NHTSA ID:
      #10199276

      This technical bulletin provides repair information to correct a customer concern of Fuel Gauge accuracy issues. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20-NA-132

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

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

    • TSB #PIP5632G

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

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

    • TSB #PIP4902Q

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

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

    • TSB #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 »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

    • TSB #PIT5698B

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

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

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

    • TSB #22NA012

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

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

    EXTERIOR LIGHTING

    • TSB #02-08-42-001J

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

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

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #PIP4964E

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10246003

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Read More »

    • TSB #01-08-42-001P

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

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

    • TSB #01-08-42-001O

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

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

    • TSB #PIT5512C

      Date Announced:
      MAY 23, 2022
      NHTSA ID:
      #10213810

      This Preliminary Information communication advises the technician to inspect for aftermarket accessory lamps for a loss of remote functions. Read More »

    • TSB #PIT5474D

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208045

      This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Read More »

    • TSB #18NA103

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10212607

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

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

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

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #PI0754D

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

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

    VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

    • TSB #PI0754F

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

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

    • TSB #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:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260F

      Date Announced:
      JUN 22, 2022
      NHTSA ID:
      #10216372

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

    • TSB #PIC5260E

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

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

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #24-NA-008

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249949

      This technical bulletin advises the technician of possible concerns caused by failed or incorrectly installed parts that may cause the battery positive cable to contact the water pump pulley or alternator. Read More »

    • TSB #PIT5099G

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

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

    • TSB #22-NA-154

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222800

      This informational bulletin is for Korea to see normal operation of A/C compressor. Read More »

    • TSB #12-01-37-001F

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

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

    • TSB #PIT5099F

      Date Announced:
      JUN 13, 2022
      NHTSA ID:
      #10216361

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

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT

    • TSB #PIP5540J

      Date Announced:
      DEC 15, 2022
      NHTSA ID:
      #10230697

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

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES

    • TSB #17NA134

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10212596

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

    AIR BAGS

    • TSB #PIT5509K

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237677

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

    • TSB #16NA361

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10212591

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #19NA018

      Date Announced:
      AUG 25, 2021
      NHTSA ID:
      #10205050

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

    • TSB #PIT5509H

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

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

    • TSB #PIC5650J

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

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

    SEAT BELTS

    • TSB #99-09-40-005I

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10239755

      This service bulletin provides information on availability for a seat belt extender. Read More »

    STRUCTURE

    • TSB #PI0281K

      Date Announced:
      JAN 18, 2024
      NHTSA ID:
      #10250244

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

    • TSB #12-08-51-002P

      Date Announced:
      SEP 14, 2023
      NHTSA ID:
      #10243746

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #N222389360

      Date Announced:
      SEP 07, 2023
      NHTSA ID:
      #10242000

      Customer Satisfaction Program - Certain vehicles may have a 12mm diameter hole on the top surface of the front differential housing. Dealers will inspect for the hole and if present, rebuild the front axle with proper housing. Read More »

    • TSB #99-08-51-001F

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239124

      This service bulletin provides information on Paintless Dent Repair Process. Read More »

    • TSB #23-NA-092

      Date Announced:
      MAY 17, 2023
      NHTSA ID:
      #10237315

      This technical bulletin provides a procedure to correct the condition of Water leak and/or Wet Carpet. Read More »

    • TSB #PI0281J

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

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

    • TSB #22-NA-018

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234147

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #PI0754F

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

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

    • TSB #19-NA-107

      Date Announced:
      JAN 25, 2023
      NHTSA ID:
      #10231497

      This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently. Read More »

    • TSB #99-00-89-019X

      Date Announced:
      OCT 04, 2022
      NHTSA ID:
      #10224831

      This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »

    • TSB #12-08-51-002O

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222824

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIP5358B

      Date Announced:
      MAY 31, 2022
      NHTSA ID:
      #10213818

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #PIT5920

      Date Announced:
      MAY 23, 2022
      NHTSA ID:
      #10213811

      This Preliminary information communicates a repair for a possible noise in the right front fender area. Read More »

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

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

    • TSB #12-08-51-002N

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209136

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PI0653F

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213768

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

    • TSB #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 #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

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

    STRUCTURE:BODY

    • TSB #20NA052

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183182

      This technical bulletin provides repair information to correct a customer concern of ticking type noise heard from the driver and/or passenger side center pillar upper trim panel structure, on bumpy roads. 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 »

    STRUCTURE:BODY:TAILGATE

    • TSB #PIT3227S

      Date Announced:
      MAY 09, 2023
      NHTSA ID:
      #10237648

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

    STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

    • TSB #PIT3227R

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10211764

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

    LATCHES/LOCKS/LINKAGES

    • TSB #19-NA-107

      Date Announced:
      JAN 25, 2023
      NHTSA ID:
      #10231497

      This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently. Read More »

    • TSB #PIT5605C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181169

      This preliminary information shows how to inspect for and correct a rattle from the rear seat latches. Read More »

    VEHICLE SPEED CONTROL

    • TSB #PIT5340F

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208041

      This Preliminary Information communication provides information to the technician about vehicles that have a hood that may shake or flutter while driving. Technician will need to adjust the hood bumpers for this concern. Read More »

    TIRES

    • TSB #20-NA-159

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244202

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

    • TSB #20-NA-159

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233338

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

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #PIT3271N

      Date Announced:
      NOV 29, 2022
      NHTSA ID:
      #10227674

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

    • TSB #PIT4261H

      Date Announced:
      JUL 01, 2022
      NHTSA ID:
      #10217762

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

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

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

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

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

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »

    • TSB #20NA159

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

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

    • TSB #20NA159

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

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

    • TSB #20NA159

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

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

    • TSB #PIT3271K

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

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

    TIRES:SIDEWALL

    • TSB #PIT4261J

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10239154

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

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10201285

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

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

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

    • TSB #000090002L

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213757

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    WHEELS

    • TSB #00-03-10-006P

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253770

      This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #17-NA-052

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253526

      This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »

    • TSB #03-00-91-001I

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

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

    • TSB #20-NA-159

      Date Announced:
      OCT 30, 2023
      NHTSA ID:
      #10245250

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

    • TSB #17-NA-170

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10244274

      This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »

    • TSB #20-NA-159

      Date Announced:
      SEP 28, 2023
      NHTSA ID:
      #10244202

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

    • TSB #12-03-10-001E

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237340

      This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »

    • TSB #17-NA-170

      Date Announced:
      APR 27, 2023
      NHTSA ID:
      #10235799

      This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »

    • TSB #12-03-10-001D

      Date Announced:
      APR 21, 2023
      NHTSA ID:
      #10235716

      This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »

    • TSB #21-NA-043

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

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

    • TSB #20-NA-159

      Date Announced:
      MAR 08, 2023
      NHTSA ID:
      #10233338

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

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

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

    • TSB #22-NA-257

      Date Announced:
      DEC 23, 2022
      NHTSA ID:
      #10228912

      This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process. Read More »

    • TSB #PIT3271N

      Date Announced:
      NOV 29, 2022
      NHTSA ID:
      #10227674

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

    • TSB #20-NA-159

      Date Announced:
      JUN 06, 2022
      NHTSA ID:
      #10214501

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

    • TSB #21-NA-043

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

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

    • TSB #20-NA-159

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212910

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

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

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

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

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

    • TSB #PIT5600D

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208031

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »

    • TSB #PIT5600C

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10185722

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #PIT5600C

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187173

      This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Read More »

    • TSB #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 »

    TRAILER HITCHES

    • TSB #PIT5509K

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237677

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

    • TSB #PIT5509J

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

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

    • TSB #PIT5324E

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208042

      This Preliminary Information communication provides information to the technician about installing an aftermarket Trailer Brake Controller. Read More »

    • TSB #PIT5509H

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

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

    SEATS:MID/REAR ASSEMBLY

    • TSB #PIT5605C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181169

      This preliminary information shows how to inspect for and correct a rattle from the rear seat latches. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #PIP4964E

      Date Announced:
      OCT 16, 2023
      NHTSA ID:
      #10246003

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Read More »

    FORWARD COLLISION AVOIDANCE

    • TSB #PIT5551N

      Date Announced:
      FEB 21, 2024
      NHTSA ID:
      #10251704

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

    • TSB #PIT5551M

      Date Announced:
      NOV 09, 2023
      NHTSA ID:
      #10247351

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

    • TSB #PIT5551L

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10242314

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

    • TSB #PIT5551K

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240792

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

    • TSB #PIT5551J

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232835

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

    • TSB #PIT5551H

      Date Announced:
      DEC 12, 2022
      NHTSA ID:
      #10230691

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

    LANE DEPARTURE

    • TSB #16NA206

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10212587

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

    BACK OVER PREVENTION

    • TSB #070601016G

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213761

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

    • TSB #17NA222

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10212598

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #PIT5493E

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10208024

      This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Read More »

    • TSB #16NA206

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10212587

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

    • TSB #21NA030

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10194094

      This service bulletin provides a procedure to correct a customer concern of Engine Noise and/or Belt Squeak, MIL Illuminated. Read More »

    • TSB #PIT5705A

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190402

      This Preliminary information communicates a noise from the front end over bumps originating at the battery hold down retainer at inner fender. Read More »

    BACK OVER PREVENTION:DISPLAY FUNCTION

    • TSB #PIT5897A

      Date Announced:
      OCT 07, 2022
      NHTSA ID:
      #10226364

      This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern. Read More »

    INTERIOR LIGHTING

    • TSB #PIP5730B

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190391

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    COMMUNICATION: VEHICLE TO INFRASTRUCTURE

    • TSB #21NA135

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10200137

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #PIT5966C

      Date Announced:
      OCT 04, 2023
      NHTSA ID:
      #10245986

      This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. Read More »

    • TSB #PIP4902P

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208034

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

    EQUIPMENT

    • TSB #23-NA-064

      Date Announced:
      APR 16, 2024
      NHTSA ID:
      #10254014

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #20-NA-132

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

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

    • TSB #17-NA-052

      Date Announced:
      APR 08, 2024
      NHTSA ID:
      #10253526

      This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »

    • TSB #20-NA-132

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

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

    • TSB #07-00-89-037S

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10251888

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #11-00-89-005X

      Date Announced:
      MAR 10, 2024
      NHTSA ID:
      #10251889

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

    • TSB #23-NA-055

      Date Announced:
      JAN 30, 2024
      NHTSA ID:
      #10250276

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-189

      Date Announced:
      JAN 29, 2024
      NHTSA ID:
      #10250278

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #24-NA-008

      Date Announced:
      JAN 17, 2024
      NHTSA ID:
      #10249949

      This technical bulletin advises the technician of possible concerns caused by failed or incorrectly installed parts that may cause the battery positive cable to contact the water pump pulley or alternator. Read More »

    • TSB #16-NA-361

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248703

      This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »

    • TSB #PIT5074P

      Date Announced:
      DEC 18, 2023
      NHTSA ID:
      #10249295

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

    • TSB #23-NA-219

      Date Announced:
      DEC 12, 2023
      NHTSA ID:
      #10247552

      This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »

    • TSB #20-NA-132

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

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

    • TSB #21-NA-135

      Date Announced:
      NOV 16, 2023
      NHTSA ID:
      #10245559

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #23-NA-189

      Date Announced:
      OCT 25, 2023
      NHTSA ID:
      #10245248

      This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »

    • TSB #22-NA-225

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

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

    • TSB #23-NA-065

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

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

    • TSB #23-NA-154

      Date Announced:
      SEP 21, 2023
      NHTSA ID:
      #10244174

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

    • TSB #12-08-51-002P

      Date Announced:
      SEP 14, 2023
      NHTSA ID:
      #10243746

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18-NA-306

      Date Announced:
      AUG 18, 2023
      NHTSA ID:
      #10242207

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

    • TSB #09-00-89-016H

      Date Announced:
      AUG 15, 2023
      NHTSA ID:
      #10242206

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

    • TSB #23-NA-065

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

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

    • TSB #01-00-89-010R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241415

      This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #21-NA-026

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10239658

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

    • TSB #23-NA-125

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

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

    • TSB #23-NA-055

      Date Announced:
      JUL 12, 2023
      NHTSA ID:
      #10239638

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #23-NA-064

      Date Announced:
      JUN 30, 2023
      NHTSA ID:
      #10239116

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #16-NA-158

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10238190

      This service bulletin describes the U.S. Dealer Special Tool Loan Program process. Read More »

    • TSB #22-NA-244

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237349

      This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 13, 2023
      NHTSA ID:
      #10235604

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #10-08-110-001J

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234620

      This service bulletin provides information on proper use of floor mats. Read More »

    • TSB #20-NA-132

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

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

    • TSB #23-NA-064

      Date Announced:
      APR 03, 2023
      NHTSA ID:
      #10235405

      This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »

    • TSB #23-NA-055

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10234163

      This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »

    • TSB #22-NA-018

      Date Announced:
      MAR 20, 2023
      NHTSA ID:
      #10234147

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #21-NA-061

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10234107

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #23-NA-044

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

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

    • TSB #15-NA-017

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232469

      This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »

    • TSB #07-03-16-004E

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231519

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

    • TSB #21-NA-068

      Date Announced:
      JAN 17, 2023
      NHTSA ID:
      #10231374

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

    • TSB #22-NA-244

      Date Announced:
      DEC 07, 2022
      NHTSA ID:
      #10228192

      This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #22-NA-238

      Date Announced:
      NOV 30, 2022
      NHTSA ID:
      #10227401

      This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. Read More »

    • TSB #22-NA-085

      Date Announced:
      NOV 04, 2022
      NHTSA ID:
      #10226117

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-085

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10225612

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #12-08-51-002O

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222824

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #22-NA-154

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222800

      This informational bulletin is for Korea to see normal operation of A/C compressor. Read More »

    • TSB #21-NA-068

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

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

    • TSB #21-NA-182

      Date Announced:
      SEP 07, 2022
      NHTSA ID:
      #10222663

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #05-00-89-029E

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10220308

      This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #21-NA-061

      Date Announced:
      AUG 30, 2022
      NHTSA ID:
      #10219389

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »

    • TSB #22-NA-033

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217855

      This service bulletin provides repair information to correct a customer concern of Radio Resets or Reboots and May Display myBrand Splash Animation. Read More »

    • TSB #22-NA-085

      Date Announced:
      JUL 28, 2022
      NHTSA ID:
      #10217116

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #PIT5569B

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

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

    • TSB #PIT4261H

      Date Announced:
      JUL 01, 2022
      NHTSA ID:
      #10217762

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

    • TSB #22-NA-135

      Date Announced:
      JUN 28, 2022
      NHTSA ID:
      #10215655

      This warranty admin bulletin covers information on Essential Tools that include Consumable Parts. Read More »

    • TSB #12-01-37-001F

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

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

    • TSB #21-NA-026

      Date Announced:
      JUN 21, 2022
      NHTSA ID:
      #10215626

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

    • TSB #16-NA-109

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

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

    • TSB #22-NA-106

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213252

      This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »

    • TSB #21-NA-182

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211071

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 22, 2022
      NHTSA ID:
      #10210852

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-070

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210841

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #01-00-89-010P

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10210543

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #22-NA-070

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209977

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #21-NA-036

      Date Announced:
      MAR 11, 2022
      NHTSA ID:
      #10209400

      This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »

    • TSB #12-08-51-002N

      Date Announced:
      MAR 10, 2022
      NHTSA ID:
      #10209136

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #PIT5897

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10210310

      This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern. Read More »

    • TSB #PI0653F

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10213768

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

    • TSB #PIT5324E

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10208042

      This Preliminary Information communication provides information to the technician about installing an aftermarket Trailer Brake Controller. Read More »

    • TSB #100605002J

      Date Announced:
      JAN 05, 2022
      NHTSA ID:
      #10213764

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

    • TSB #1308116001G

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10213767

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

    • TSB #PIT5880

      Date Announced:
      DEC 23, 2021
      NHTSA ID:
      #10206745

      This preliminary information serves as a diagnostic aid for a condition where the ignition switch may not rotate all the way back to the lock position when the ignition is turned off and addresses areas to look for resolution. Read More »

    • TSB #PIP5830

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10204457

      This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. Read More »

    • TSB #19NA104

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205539

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

    • TSB #PIT3099U

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10201310

      This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »

    • TSB #21NA142

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10200143

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

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

    • TSB #PIE0645

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10200174

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), ... Read More »

    • TSB #990420002L

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

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

    • TSB #080730035E

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

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

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #070089037Q

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200089

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #120851002M

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10200092

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10198844

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

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10199235

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

    • TSB #070089037P

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200088

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #100089006H

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200090

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #21NA085

      Date Announced:
      MAY 13, 2021
      NHTSA ID:
      #10198871

      This technical bulletin provides repair information to correct a customer concern of MIL Illuminated with DTC?P16F3 Set. Read More »

    • TSB #PIT5839A

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197284

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #120851002L

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10200091

      This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199249

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

    • TSB #PIT5839

      Date Announced:
      APR 27, 2021
      NHTSA ID:
      #10193475

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #21NA103

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194114

      This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »

    • TSB #PIP5803A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193459

      This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »

    • TSB #18NA073

      Date Announced:
      APR 13, 2021
      NHTSA ID:
      #10194081

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

    • TSB #18NA146

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194082

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #020089002T

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195127

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #070089036J

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195149

      This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »

    • TSB #PIT3227Q

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

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

    • TSB #18NA099

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

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

    • TSB #18NA306

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

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

    • TSB #110089005Q

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

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

    • TSB #21NA043

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

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

    • TSB #21NA026

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

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

    • TSB #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 »

    • 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 #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 #010601011L

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

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

    • TSB #010601011L

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

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

    • TSB #090604026S

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

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

    • TSB #090604026S

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

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

    • TSB #19NA136

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

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

    • TSB #040089015V

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

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

    • TSB #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 #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 #16NA244

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

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

    • TSB #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 #17NA222

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183139

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. 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 #17NA114

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183135

      This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp ... Read More »

    • TSB #19NA007

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183165

      This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern. Read More »

    • TSB #17NA352

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183149

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. 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 #20NA157

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

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

    EQUIPMENT:ELECTRICAL

    • TSB #PIT6097C

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10250007

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update. Read More »

    • TSB #PIT6097B

      Date Announced:
      DEC 13, 2023
      NHTSA ID:
      #10249286

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones. Read More »

    • TSB #PIT5966B

      Date Announced:
      JUN 14, 2023
      NHTSA ID:
      #10239160

      This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. Read More »

    • TSB #PIT5626D

      Date Announced:
      SEP 06, 2022
      NHTSA ID:
      #10224278

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #12-00-89-003B

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

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

    • TSB #21NA068

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10194101

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

    • TSB #20NA160

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183191

      This service bulletin provides information for dealers/technicians on Normal Characteristic - Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #21-NA-182

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211071

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #PIT5897

      Date Announced:
      MAR 02, 2022
      NHTSA ID:
      #10210310

      This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern. Read More »

    • TSB #21NA182

      Date Announced:
      FEB 21, 2022
      NHTSA ID:
      #10214228

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #PIT5790B

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10201277

      This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating. Read More »

    • TSB #PIT5790A

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10185744

      This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating 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 #PIT5794

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184106

      This Preliminary information communicates a concern where the wrong part number was being installed causing XM and Audio concerns. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT

    • TSB #PIT6097

      Date Announced:
      DEC 06, 2023
      NHTSA ID:
      #10249270

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #PIT6097

      Date Announced:
      DEC 06, 2023
      NHTSA ID:
      #10249270

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

    • TSB #PIC6423

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10185717

      This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. Read More »

    EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE

    • TSB #PIT6097B

      Date Announced:
      DEC 13, 2023
      NHTSA ID:
      #10249286

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones. Read More »

    • TSB #PIT6097A

      Date Announced:
      DEC 08, 2023
      NHTSA ID:
      #10249281

      This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones. Read More »

    EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS

    • TSB #PIP5632E

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10201281

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

    EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:OUTLETS/RECEPTACLE

    • TSB #PIP5628E

      Date Announced:
      FEB 10, 2023
      NHTSA ID:
      #10232811

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

    EQUIPMENT:MECHANICAL

    • TSB #04-06-04-051F

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

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

    EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)

    • TSB #PIP5943

      Date Announced:
      OCT 19, 2023
      NHTSA ID:
      #10246011

      This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #20-NA-132

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

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

    • TSB #23-NA-103

      Date Announced:
      MAR 21, 2024
      NHTSA ID:
      #10252126

      This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »

    • TSB #24-NA-040

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10251635

      This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. Read More »

    • TSB #18-NA-099

      Date Announced:
      JAN 16, 2024
      NHTSA ID:
      #10249590

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

    • TSB #PIP5601B

      Date Announced:
      JAN 12, 2024
      NHTSA ID:
      #10249980

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

    • TSB #23-NA-219

      Date Announced:
      DEC 12, 2023
      NHTSA ID:
      #10247552

      This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »

    • TSB #05-00-89-029F

      Date Announced:
      OCT 11, 2023
      NHTSA ID:
      #10244326

      This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #99-00-89-019Y

      Date Announced:
      OCT 03, 2023
      NHTSA ID:
      #10244315

      This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »

    • TSB #02-00-89-002W

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244200

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). Read More »

    • TSB #10-00-89-006J

      Date Announced:
      SEP 26, 2023
      NHTSA ID:
      #10244201

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #23-NA-154

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243717

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

    • TSB #18-NA-306

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10242842

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

    • TSB #PIP5358C

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240793

      This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »

    • TSB #PIP4902R

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10240786

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

    • TSB #23-NA-103

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10237960

      This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »

    • TSB #02-00-89-002V

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10237841

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #04-00-89-015Z

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10235713

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

    • TSB #11-00-89-005V

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234621

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

    • TSB #17-NA-073

      Date Announced:
      FEB 21, 2023
      NHTSA ID:
      #10232287

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #18-NA-146

      Date Announced:
      FEB 20, 2023
      NHTSA ID:
      #10232288

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #18-NA-263

      Date Announced:
      FEB 17, 2023
      NHTSA ID:
      #10232143

      This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #00-00-90-002M

      Date Announced:
      JAN 31, 2023
      NHTSA ID:
      #10231518

      This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »

    • TSB # 02-00-89-002U

      Date Announced:
      JAN 20, 2023
      NHTSA ID:
      #10231302

      This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »

    • TSB #09-00-89-008F

      Date Announced:
      DEC 21, 2022
      NHTSA ID:
      #10228906

      This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »

    • TSB #PIP5632G

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

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

    • TSB #PIP4902Q

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

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

    • TSB #10-00-89-006I

      Date Announced:
      OCT 07, 2022
      NHTSA ID:
      #10224820

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #22-NA-195

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10222839

      This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada. Read More »

    • TSB #01-00-89-010Q

      Date Announced:
      SEP 14, 2022
      NHTSA ID:
      #10222733

      This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #11-00-89-005U

      Date Announced:
      SEP 09, 2022
      NHTSA ID:
      #10222649

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

    • TSB #18-NA-306

      Date Announced:
      AUG 25, 2022
      NHTSA ID:
      #10219284

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

    • TSB #11-00-89-005T

      Date Announced:
      AUG 22, 2022
      NHTSA ID:
      #10219278

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

    • TSB #04-00-89-015X

      Date Announced:
      JUL 22, 2022
      NHTSA ID:
      #10217043

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

    • TSB #18-NA-306

      Date Announced:
      JUL 18, 2022
      NHTSA ID:
      #10217048

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

    • TSB #22-NA-070

      Date Announced:
      JUN 24, 2022
      NHTSA ID:
      #10215628

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #22-NA-106

      Date Announced:
      MAY 19, 2022
      NHTSA ID:
      #10213252

      This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »

    • TSB #18-NA-099

      Date Announced:
      MAY 16, 2022
      NHTSA ID:
      #10213022

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

    • TSB #18-NA-099

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209747

      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 #21NA135

      Date Announced:
      FEB 04, 2022
      NHTSA ID:
      #10214223

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    • TSB #21NA142

      Date Announced:
      FEB 02, 2022
      NHTSA ID:
      #10214224

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #22NA018

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10212633

      This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »

    • TSB #080089014G

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10213762

      This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #990089019W

      Date Announced:
      JAN 28, 2022
      NHTSA ID:
      #10213766

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIP5779A

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190420

      This Preliminary information communicates possible diagnostic information for lean codes setting on 2021 31XXN trucks at very low mileage while engineering investigates the causes. Added 2020 MY trucks and calibration information. Read More »

    • TSB #20NA110

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

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

    • TSB #PIT5626C

      Date Announced:
      DEC 09, 2020
      NHTSA ID:
      #10185721

      This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL's on in the IPC. Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

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

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #17NA134

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183136

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

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21-NA-061

      Date Announced:
      JUN 12, 2023
      NHTSA ID:
      #10239039

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »

    • TSB #20NA156

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10214201

      This technical bulletin provides a procedure to replace the rear axle c-clips if found the cause of the customers concern. Read More »

    • TSB #20NA110

      Date Announced:
      JAN 13, 2022
      NHTSA ID:
      #10214200

      This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »

    • TSB #16NA325

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212590

      This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. Read More »

    • TSB #PIP5830

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10204457

      This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. Read More »

    • TSB #21NA142

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10200143

      This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight. Read More »

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

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

    • TSB #080730035E

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

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

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #21NA026

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

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

    • TSB #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 #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 #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 #17NA222

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183139

      This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent. Read More »

    • TSB #16NA017

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183123

      This informational bulletin provides information ticking noise and/or noise when turning vehicle off. Read More »

    • TSB #16NA206

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10183125

      This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. Read More »

    • TSB #17NA352

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183149

      This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING

    • TSB #030091001H

      Date Announced:
      NOV 05, 2021
      NHTSA ID:
      #10205737

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

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #PIT5790C

      Date Announced:
      SEP 21, 2021
      NHTSA ID:
      #10202398

      This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating. Read More »

    • TSB #PIT5839A

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197284

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • 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:EMERGENCY:FIRE SUPRESSION:SMOKE/CO WARNING/ALARM

    • TSB #16NA380

      Date Announced:
      JAN 10, 2022
      NHTSA ID:
      #10212594

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

    UNKNOWN OR OTHER

    • TSB #17-NA-073

      Date Announced:
      MAR 01, 2024
      NHTSA ID:
      #10251513

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIT5962A

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

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

    • TSB #11-00-89-005W

      Date Announced:
      APR 25, 2023
      NHTSA ID:
      #10235798

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

    • TSB #11-00-89-005V

      Date Announced:
      APR 06, 2023
      NHTSA ID:
      #10234621

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

    • TSB #PI0754F

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

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

    • TSB #PIT5698C

      Date Announced:
      SEP 28, 2022
      NHTSA ID:
      #10224304

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

    • TSB #01-00-89-010O

      Date Announced:
      APR 05, 2022
      NHTSA ID:
      #10210194

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #PIP5824

      Date Announced:
      FEB 02, 2022
      NHTSA ID:
      #10208968

      This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern. Read More »

    • TSB #PIP5416D

      Date Announced:
      JAN 11, 2022
      NHTSA ID:
      #10208016

      This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. Read More »

    • TSB #16NA222

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

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

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10198879

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    Browse Other Colorado Years