Chevrolet Trailblazer Service Bulletins

2,563 manufacturer communications on file.

• February 15, 2025•Document ID: 11014321

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6328A

  Date Added:

  February 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealership technicians to contact Techline support to data wipe the radio to clear the PIN.

  Associated Products (28)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 8 more
  Associated Documents

  • DownloadMC-11014321-0001.pdf↗
• February 14, 2025•Document ID: 11014574

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIE0816

  Date Added:

  February 28, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC), with DTC P219A set.

  Associated Products (4)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax
  Associated Documents

  • DownloadMC-11014574-0001.pdf↗
• February 14, 2025•Document ID: 11014303

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6593

  Date Added:

  February 18, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the technician what to do when they encounter a service charging system message with a DTC P0621.

  Associated Products (8)

  2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax
  Associated Documents

  • DownloadMC-11014303-0001.pdf↗
• February 13, 2025•Document ID: 11014563

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037V

  Date Added:

  February 27, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (544)

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  Associated Documents

  • DownloadMC-11014563-0001.pdf↗
• February 12, 2025•Document ID: 11014567

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  25-NA-001

  Date Added:

  February 27, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.

  Associated Products (21)

  2025 Buick Enclave2025 Buick Encore GX2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia+ 1 more
  Associated Documents

  • DownloadMC-11014567-0001.pdf↗
• February 12, 2025•Document ID: 11014377

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  23-NA-086

  Date Added:

  February 20, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.

  Associated Products (33)

  2025 Buick Enclave2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Chevrolet Blazer2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Acadia2023 Buick Enclave2023 Buick Encore GX+ 13 more
  Associated Documents

  • DownloadMC-11014377-0001.pdf↗
• February 6, 2025•Document ID: 11014277

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; SERVICE BRAKES

  Mfr Comm. #:

  24-NA-048

  Date Added:

  February 17, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.

  Associated Products (106)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 86 more
  Associated Documents

  • DownloadMC-11014277-0001.pdf↗
• February 6, 2025•Document ID: 11014057

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6059B

  Date Added:

  February 10, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with super cruise unavailable due to the drivers monitoring camera and dealers to replace the camera.

  Associated Products (31)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban+ 11 more
  Associated Documents

  • DownloadMC-11014057-0001.pdf↗
• February 5, 2025•Document ID: 11014291

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  25-NA-001

  Date Added:

  February 18, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.

  Associated Products (21)

  2025 Buick Enclave2025 Buick Encore GX2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia+ 1 more
  Associated Documents

  • DownloadMC-11014291-0001.pdf↗
• January 31, 2025•Document ID: 11014230

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES; ENGINE; VISIBILITY/WIPER; WHEELS

  Mfr Comm. #:

  21-NA-043

  Date Added:

  February 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This 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.

  Associated Products (616)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 596 more
  Associated Documents

  • DownloadMC-11014230-0001.pdf↗
• January 31, 2025•Document ID: 11014171

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; VEHICLE SPEED CONTROL

  Mfr Comm. #:

  10-08-110-001L

  Date Added:

  February 11, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on proper use of floor mats.

  Associated Products (540)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 520 more
  Associated Documents

  • DownloadMC-11014171-0001.pdf↗
• January 31, 2025•Document ID: 11013414

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6037A

  Date Added:

  February 3, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.

  Associated Products (11)

  2025 Buick Encore GX2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer2020 Buick Encore GX
  Associated Documents

  • DownloadMC-11013414-0001.pdf↗
• January 30, 2025•Document ID: 11014238

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; STRUCTURE:BODY

  Mfr Comm. #:

  22-NA-244

  Date Added:

  February 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

  Associated Products (336)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 316 more
  Associated Documents

  • DownloadMC-11014238-0001.pdf↗
• January 30, 2025•Document ID: 11014233

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  22-NA-074

  Date Added:

  February 12, 2025

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (582)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 562 more
  Associated Documents

  • DownloadMC-11014233-0001.pdf↗
• January 30, 2025•Document ID: 11013408

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6328

  Date Added:

  February 3, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealership technicians to contact Techline support to data wipe the radio to clear the PIN.

  Associated Products (30)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 10 more
  Associated Documents

  • DownloadMC-11013408-0001.pdf↗
• January 29, 2025•Document ID: 11014239

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  23-NA-064

  Date Added:

  February 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (236)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 216 more
  Associated Documents

  • DownloadMC-11014239-0001.pdf↗
• January 29, 2025•Document ID: 11013399

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6032A

  Date Added:

  February 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .

  Associated Products (16)

  2025 Chevrolet Equinox2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu2021 Chevrolet Trailblazer2020 Buick Encore GX2020 Chevrolet Malibu2019 Chevrolet Malibu
  Associated Documents

  • DownloadMC-11013399-0001.pdf↗
• January 29, 2025•Document ID: 11013398

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6031A

  Date Added:

  February 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to technicians that to seperate the case halves clean the mating surfaces and replace the gasket.

  Associated Products (13)

  2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-11013398-0001.pdf↗
• January 28, 2025•Document ID: 11014222

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  21-NA-135

  Date Added:

  February 12, 2025

  Manufacturer:

  GMC

  Summary

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

  Associated Products (254)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 234 more
  Associated Documents

  • DownloadMC-11014222-0001.pdf↗
• January 27, 2025•Document ID: 11014170

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  01-08-42-001Q

  Date Added:

  February 11, 2025

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (418)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 398 more
  Associated Documents

  • DownloadMC-11014170-0001.pdf↗