Chevrolet Trailblazer Service Bulletins

964 manufacturer communications on file.

• April 21, 2023•Document ID: 10235716

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  12-03-10-001D

  Date Added:

  May 5, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).

  Associated Products (109)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette+ 89 more
  Associated Documents

  • DownloadMC-10235716-0001.pdf↗
• April 19, 2023•Document ID: 10235763

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-235

  Date Added:

  May 6, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.

  Associated Products (54)

  2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse+ 34 more
  Associated Documents

  • DownloadMC-10235763-0001.pdf↗
• April 19, 2023•Document ID: 10235713

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  04-00-89-015Z

  Date Added:

  May 5, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

  Associated Products (116)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD+ 96 more
  Associated Documents

  • DownloadMC-10235713-0001.pdf↗
• April 6, 2023•Document ID: 10234621

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  11-00-89-005V

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10234621-0001.pdf↗
• April 6, 2023•Document ID: 10234620

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  10-08-110-001J

  Date Added:

  April 22, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10234620-0001.pdf↗
• April 6, 2023•Document ID: 10234619

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035G

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (106)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Camaro+ 86 more
  Associated Documents

  • DownloadMC-10234619-0001.pdf↗
• April 4, 2023•Document ID: 10235561

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

  Mfr Comm. #:

  PI0281J

  Date Added:

  May 4, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (103)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette+ 83 more
  Associated Documents

  • DownloadMC-10235561-0001.pdf↗
• April 4, 2023•Document ID: 10235402

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-042

  Date Added:

  May 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.

  Associated Products (13)

  2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Terrain2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10235402-0001.pdf↗
• April 4, 2023•Document ID: 10235398

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

  Mfr Comm. #:

  20-NA-132

  Date Added:

  May 3, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10235398-0001.pdf↗
• April 3, 2023•Document ID: 10236130

  Service Bulletin/Repair Instructions
  COMMUNICATION: AUTO CRASH NOTIFICATION

  Mfr Comm. #:

  PIT5971B

  Date Added:

  May 15, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.

  Associated Products (54)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Terrain2023 GMC Yukon XL+ 34 more
  Associated Documents

  • DownloadMC-10236130-0001.pdf↗
• April 3, 2023•Document ID: 10235405

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 3, 2023

  Manufacturer:

  CADILLAC

  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 (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10235405-0001.pdf↗
• March 30, 2023•Document ID: 10234182

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-058

  Date Added:

  April 14, 2023

  Manufacturer:

  BUICK

  Summary

  This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.

  Associated Products (6)

  2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10234182-0001.pdf↗
• March 28, 2023•Document ID: 10234164

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

  Mfr Comm. #:

  05-06-04-022U

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  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 (27)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 7 more
  Associated Documents

  • DownloadMC-10234164-0001.pdf↗
• March 27, 2023•Document ID: 10234242

  Service Bulletin/Repair Instructions
  CHILD SEAT:LATCH ADJUSTER

  Mfr Comm. #:

  PIT5995

  Date Added:

  April 17, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the dealer the location of the rear child seat latch anchor locations.

  Associated Products (8)

  2024 Chevrolet Blazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10234242-0001.pdf↗
• March 24, 2023•Document ID: 10234154

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  22-NA-235

  Date Added:

  April 13, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.

  Associated Products (54)

  2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse+ 34 more
  Associated Documents

  • DownloadMC-10234154-0001.pdf↗
• March 23, 2023•Document ID: 10234163

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (112)

  2024 Chevrolet Blazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV+ 92 more
  Associated Documents

  • DownloadMC-10234163-0001.pdf↗
• March 23, 2023•Document ID: 10234141

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-219

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (87)

  2023 Buick Enclave2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia+ 67 more
  Associated Documents

  • DownloadMC-10234141-0001.pdf↗
• March 22, 2023•Document ID: 10233199

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  N222371150-02

  Date Added:

  March 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning January 6, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the heated steering wheel control module.

  Associated Products (6)

  2023 Buick Encore GX2023 Cadillac XT42023 Chevrolet Trailblazer2022 Buick Encore GX2022 Cadillac XT42022 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10233199-0001.pdf↗
• March 20, 2023•Document ID: 10234147

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  22-NA-018

  Date Added:

  April 13, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

  Associated Products (134)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 114 more
  Associated Documents

  • DownloadMC-10234147-0001.pdf↗
• March 20, 2023•Document ID: 10234144

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

  Mfr Comm. #:

  21-NA-043

  Date Added:

  April 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (110)

  2024 Chevrolet Blazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado+ 90 more
  Associated Documents

  • DownloadMC-10234144-0001.pdf↗