Chevrolet Trailblazer Service Bulletins (2024)
412 manufacturer communications on file.
- June 28, 2024•Document ID: 11004941Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 24-NA-123
- Date Added:
- July 18, 2024
- Manufacturer:
- CADILLAC
SummaryThis service bulletin advises the technician that the purge pump part number has changed and limited supply.
Associated Products (51)2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax+ 31 moreAssociated Documents - June 28, 2024•Document ID: 11004761Service Bulletin/Repair InstructionsENGINE; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- 16-NA-383
- Date Added:
- July 16, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service 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 should be used to reduce carbon build-up.
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 moreAssociated Documents - June 18, 2024•Document ID: 11004624Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 22-NA-070
- Date Added:
- July 12, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
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 moreAssociated Documents - June 18, 2024•Document ID: 11001820Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N242446290-01
- Date Added:
- June 18, 2024
- Manufacturer:
- CHEVROLET
SummaryService Update - certain vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. Dealers are to replace the clutch piston housing.
Associated Products (9)Associated Documents - June 17, 2024•Document ID: 11004558Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 22-NA-018
- Date Added:
- July 12, 2024
- Manufacturer:
- GMC
SummaryThis service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
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 moreAssociated Documents - June 17, 2024•Document ID: 11004557Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 18-NA-099
- Date Added:
- July 12, 2024
- Manufacturer:
- CHEVROLET
SummaryThis bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
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 moreAssociated Documents - June 14, 2024•Document ID: 11002441Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 18-NA-125
- Date Added:
- June 28, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information for engine oil life monitor operation calculation.
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 moreAssociated Documents - June 13, 2024•Document ID: 11001649Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N242446290
- Date Added:
- June 13, 2024
- Manufacturer:
- CHEVROLET
SummaryService Update - Certain vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. Dealers are to replace the clutch piston housing.
Associated Products (9)Associated Documents - June 8, 2024•Document ID: 11001972Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 21-NA-068
- Date Added:
- June 22, 2024
- Manufacturer:
- CHEVROLET
SummaryThis 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 RPO ATH and AVJ.
Associated Products (138)2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 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 Envista2024 Cadillac CT42024 Cadillac CT5+ 118 moreAssociated Documents - June 6, 2024•Document ID: 11002312Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 24-NA-098
- Date Added:
- June 25, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
Associated Products (138)2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 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 Envista2024 Cadillac CT42024 Cadillac CT5+ 118 moreAssociated Documents - June 5, 2024•Document ID: 11002025Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 24-NA-021
- Date Added:
- June 24, 2024
- Manufacturer:
- BUICK
SummaryThis bulletin provides a procedure to replace the oil pump if the code noted was set do to the debris left in the pump during production.
Associated Products (6)Associated Documents - June 5, 2024•Document ID: 11001971Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 20-NA-016
- Date Added:
- June 22, 2024
- Manufacturer:
- CHEVROLET
SummaryThis Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
Associated Products (135)2024 Buick Enclave2024 Buick Encore2024 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 Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 115 moreAssociated Documents - June 1, 2024•Document ID: 11001787Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 24-NA-009
- Date Added:
- June 18, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs of abnormal wear to correct customer concerns of Loss of Forward gear, slipping, MIL.
Associated Products (13)Associated Documents - May 30, 2024•Document ID: 11001832Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- 24-NA-084
- Date Added:
- June 18, 2024
- Manufacturer:
- BUICK
SummaryThis service bulletin provides repair information to correct a customer concern of software related issues with release of Radio Software Version 169.3.
Associated Products (4)Associated Documents - May 30, 2024•Document ID: 11000565Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N242446290
- Date Added:
- May 30, 2024
- Manufacturer:
- CADILLAC
SummaryUpcoming Service Update Bulletin N242446290 – Expansion of Population
Associated Products (9)Associated Documents - May 30, 2024•Document ID: 11000562Service CampaignELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- A242435780
- Date Added:
- May 30, 2024
- Manufacturer:
- CHEVROLET
SummaryEmission Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles with a 1.2L engine. 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. Dealers are to reprogram the Engine Control Module.
Associated Products (3)Associated Documents - May 17, 2024•Document ID: 11001327Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 18-NA-125
- Date Added:
- June 8, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information for engine oil life monitor operation calculation.
Associated Products (132)2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro+ 112 moreAssociated Documents - May 16, 2024•Document ID: 11001380Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-NA-064
- Date Added:
- June 10, 2024
- Manufacturer:
- CADILLAC
SummaryThis 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)2024 Buick Enclave2024 Buick Encore2024 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 Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 115 moreAssociated Documents - May 16, 2024•Document ID: 11001321Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 08-07-30-035H
- Date Added:
- June 7, 2024
- Manufacturer:
- GMC
SummaryThis bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
Associated Products (143)2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT6+ 123 moreAssociated Documents - May 16, 2024•Document ID: 11000177Service CampaignENGINE; FUEL/PROPULSION SYSTEM; POWER TRAIN; UNKNOWN OR OTHER
- Mfr Comm. #:
- N232433890
- Date Added:
- May 16, 2024
- Manufacturer:
- GMC
SummaryCustomer Satisfaction Program - Various vehicle makes and models listed may have a condition in which the transmission case leaks fluid due to porosity around a mount bolt hole. Dealers will replace the transmission case.
Associated Products (10)Associated Documents