Chevrolet Trailblazer Service Bulletins (2024)

412 manufacturer communications on file.

• August 10, 2023•Document ID: 10242070

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  September 8, 2023

  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 (124)

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  Associated Documents

  • DownloadMC-10242070-0001.pdf↗
• August 8, 2023•Document ID: 10242106

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-181

  Date Added:

  September 9, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

  Associated Products (35)

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  Associated Documents

  • DownloadMC-10242106-0001.pdf↗
• August 7, 2023•Document ID: 10242061

  Service Bulletin/Repair Instructions
  POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  15-00-89-004F

  Date Added:

  September 8, 2023

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (135)

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  Associated Documents

  • DownloadMC-10242061-0001.pdf↗
• August 2, 2023•Document ID: 10241856

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN

  Mfr Comm. #:

  21-NA-169

  Date Added:

  September 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.

  Associated Products (35)

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  Associated Documents

  • DownloadMC-10241856-0001.pdf↗
• August 1, 2023•Document ID: 10241417

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  04-06-04-051H

  Date Added:

  August 28, 2023

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (124)

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  Associated Documents

  • DownloadMC-10241417-0001.pdf↗
• August 1, 2023•Document ID: 10241415

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  01-00-89-010R

  Date Added:

  August 28, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (135)

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  • DownloadMC-10241415-0001.pdf↗
• July 31, 2023•Document ID: 10240364

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-135

  Date Added:

  August 3, 2023

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin advises the changes to some of the 9-speed oil control changes from previous years.

  Associated Products (9)

  2024 Buick Envision2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 GMC Terrain2023 Buick Enclave2023 Chevrolet Traverse
  Associated Documents

  • DownloadMC-10240364-0001.pdf↗
• July 31, 2023•Document ID: 10240359

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  09-06-04-026X

  Date Added:

  August 3, 2023

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (107)

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  Associated Documents

  • DownloadMC-10240359-0001.pdf↗
• July 21, 2023•Document ID: 10239647

  Service Bulletin/Repair Instructions
  POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  17-NA-066

  Date Added:

  July 25, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (124)

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  Associated Documents

  • DownloadMC-10239647-0001.pdf↗
• July 17, 2023•Document ID: 10239755

  Service Bulletin/Repair Instructions
  SEAT BELTS

  Mfr Comm. #:

  99-09-40-005I

  Date Added:

  July 28, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on availability for a seat belt extender.

  Associated Products (135)

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  Associated Documents

  • DownloadMC-10239755-0001.pdf↗
• July 17, 2023•Document ID: 10239658

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-026

  Date Added:

  July 25, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (123)

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  Associated Documents

  • DownloadMC-10239658-0001.pdf↗
• July 12, 2023•Document ID: 10239645

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-125

  Date Added:

  July 25, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (135)

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  Associated Documents

  • DownloadMC-10239645-0001.pdf↗
• July 12, 2023•Document ID: 10239638

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  July 25, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.

  Associated Products (135)

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  • DownloadMC-10239638-0001.pdf↗
• June 30, 2023•Document ID: 10239124

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  99-08-51-001F

  Date Added:

  July 14, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Paintless Dent Repair Process.

  Associated Products (123)

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  Associated Documents

  • DownloadMC-10239124-0001.pdf↗
• June 30, 2023•Document ID: 10239116

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-064

  Date Added:

  July 14, 2023

  Manufacturer:

  BUICK

  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 (135)

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  Associated Documents

  • DownloadMC-10239116-0001.pdf↗
• June 30, 2023•Document ID: 10239113

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  22-NA-053

  Date Added:

  July 14, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.

  Associated Products (100)

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  Associated Documents

  • DownloadMC-10239113-0001.pdf↗
• June 30, 2023•Document ID: 10239101

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  01-06-01-011N

  Date Added:

  July 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (112)

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  Associated Documents

  • DownloadMC-10239101-0001.pdf↗
• June 29, 2023•Document ID: 10239103

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  17-NA-066

  Date Added:

  July 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (124)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax+ 104 more
  Associated Documents

  • DownloadMC-10239103-0001.pdf↗
• June 29, 2023•Document ID: 10239102

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  13-08-116-001I

  Date Added:

  July 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (135)

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  • DownloadMC-10239102-0001.pdf↗
• June 16, 2023•Document ID: 10239048

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  July 11, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (59)

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  Associated Documents

  • DownloadMC-10239048-0001.pdf↗