Chevrolet Trailblazer Service Bulletins

971 manufacturer communications on file.

• August 16, 2024•Document ID: 11006457

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIC6553A

  Date Added:

  August 16, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates the direction to take when a customer complains about a vibration when parking on a steep slope with engine running.

  Associated Products (13)

  2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11006457-0001.pdf↗
• August 16, 2024•Document ID: 11006446

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5947B

  Date Added:

  August 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. Can also possibly cause a misfire and may or may not set history or current codes P0300 P050D P0521 P06DE. It advises inspections for potential engine camshaft cover replacement.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-11006446-0001.pdf↗
• August 15, 2024•Document ID: 11006413

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6486G

  Date Added:

  August 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.

  Associated Products (30)

  2024 Buick Encore GX2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Trailblazer2024 Chevrolet Trax2024 GMC Acadia2024 GMC Terrain2023 Buick Encore GX2023 Chevrolet Blazer2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Trailblazer2023 Chevrolet Trax2023 GMC Acadia2023 GMC Terrain2022 Buick Encore GX2022 Chevrolet Blazer2022 Chevrolet Equinox2022 Chevrolet Malibu+ 10 more
  Associated Documents

  • DownloadMC-11006413-0001.pdf↗
• August 15, 2024•Document ID: 11006392

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  A242435780-01

  Date Added:

  August 15, 2024

  Manufacturer:

  BUICK

  Summary

  Emission Recall - certain vehicles may have The engine control module may not properly control engine ignition timing following certain Auto Engine Stop/Start events. If this were to occur, the Malfunction Indicator Lamp (Check Engine Light) would illuminate, and the engine may run rough or knock. In some cases, if the vehicle is driven with engine knock, engine damage could occur. Proper engine ignition timing control will resume following a subsequent Auto Engine Stop/Start event. This is a voluntary Emission Recall. Dealers are to reprogram the Engine Control Module..

  Associated Products (4)

  2024 Buick Encore2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-11006392-0001.pdf↗
• August 13, 2024•Document ID: 11006345

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5932D

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers engine wiring harness inspections and engine oil pump diagnostic testing related to MIL on with P0521, P06DD or P06DE.

  Associated Products (4)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-11006345-0001.pdf↗
• August 13, 2024•Document ID: 11006329

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIC6553

  Date Added:

  August 13, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates the direction to take when a customer complains about a vibration when parking on a steep slope with engine running.

  Associated Products (14)

  2025 Buick Encore2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11006329-0001.pdf↗
• August 13, 2024•Document ID: 11006326

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5974B

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.

  Associated Products (10)

  2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Terrain
  Associated Documents

  • DownloadMC-11006326-0001.pdf↗
• August 13, 2024•Document ID: 11006317

  Service Bulletin/Repair Instructions
  SEATS

  Mfr Comm. #:

  PIT6180

  Date Added:

  August 13, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.

  Associated Products (50)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 30 more
  Associated Documents

  • DownloadMC-11006317-0001.pdf↗
• August 13, 2024•Document ID: 11006291

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6486F

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.

  Associated Products (38)

  2024 Buick Encore GX2024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Acadia2024 GMC Terrain2023 Buick Encore GX2023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 Chevrolet Trax2023 GMC Acadia2023 GMC Terrain+ 18 more
  Associated Documents

  • DownloadMC-11006291-0001.pdf↗
• August 13, 2024•Document ID: 11006287

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5980

  Date Added:

  August 13, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary Information communication advises the technician how to diagnose and repair a low mileage no movement concern in vehicle equipped with a VT40 Transmission.

  Associated Products (3)

  2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11006287-0001.pdf↗
• August 13, 2024•Document ID: 11006285

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5712C

  Date Added:

  August 13, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related service procedures.

  Associated Products (34)

  2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trax2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT5+ 14 more
  Associated Documents

  • DownloadMC-11006285-0001.pdf↗
• August 13, 2024•Document ID: 11006283

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6551

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

  Associated Products (51)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 Chevrolet Trax+ 31 more
  Associated Documents

  • DownloadMC-11006283-0001.pdf↗
• August 13, 2024•Document ID: 11006263

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5974A

  Date Added:

  August 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.

  Associated Products (9)

  2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Terrain
  Associated Documents

  • DownloadMC-11006263-0001.pdf↗
• August 12, 2024•Document ID: 11006234

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5978

  Date Added:

  August 12, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates the possibility of dtc p0299 setting as a result of the vacuum supply line from the vacuum pump to the wastegate solenoid being restricted with adhesive bonding material.

  Associated Products (10)

  2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11006234-0001.pdf↗
• August 12, 2024•Document ID: 11006226

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

  Mfr Comm. #:

  PIC6548

  Date Added:

  August 12, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to a technician the steps necessary to correct a cruise control or intellibeam inoperative condition after front camera replacement.

  Associated Products (6)

  2025 Buick Encore2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-11006226-0001.pdf↗
• August 9, 2024•Document ID: 11006682

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-00-89-010S

  Date Added:

  August 30, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

  Associated Products (150)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 130 more
  Associated Documents

  • DownloadMC-11006682-0001.pdf↗
• August 8, 2024•Document ID: 11007155

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  23-NA-141

  Date Added:

  September 6, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.

  Associated Products (139)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT4+ 119 more
  Associated Documents

  • DownloadMC-11007155-0001.pdf↗
• August 8, 2024•Document ID: 11007115

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  07-06-01-016J

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (139)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT4+ 119 more
  Associated Documents

  • DownloadMC-11007115-0001.pdf↗
• August 7, 2024•Document ID: 11007121

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-222

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (139)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT4+ 119 more
  Associated Documents

  • DownloadMC-11007121-0001.pdf↗
• August 7, 2024•Document ID: 11007095

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  05-06-04-022V

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (139)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT4+ 119 more
  Associated Documents

  • DownloadMC-11007095-0001.pdf↗