2026 Chevrolet Trailblazer TSBs
89 manufacturer communications for the 2026 Chevrolet Trailblazer sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2026 Trailblazer problem report covers complaints, recalls, and investigations.
What the bulletins cover
Warranty extensions, campaigns & software updates
Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.
Certain vehicles listed above may be missing relevant information regarding the use of snow chains, snow socks, or other traction devices from the Owner’s Manual. Vehicle owners will be mailed an owner’s manual insert to include with other important printed material in the…
Most recent service bulletins
The 20 most recent of 89 communications on file. The complete set is searchable on NHTSA's page for this vehicle.
This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger replacement is necessary. The turbocharger part number will be placed on order restriction and the technician will have to contact GM Technical Assistance to verify the…
This Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.
PI to help diagnose A/C concern
This PIP communicates the potential for the engine to stall or stumble when coming out of an auto stop event
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
This PIP communicates the potential for the engine to stall or stumble when coming out of an auto stop event
This document is a technical bulletin regarding CarPlay issues in certain Buick and Chevrolet models. It details the problem, cause, and current status of the software anomaly affecting CarPlay connectivity.
This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.
This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.
This PI addresses leaks from the case half and provides repair direction to dealer technicians
PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have:…
This PIP communicates the potential for the engine to stall or stumble when coming out of an auto stop event
This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger replacement is necessary. The turbocharger part number will be placed on order restriction and the technician will have to contact GM Technical Assistance to verify the…
PI provides information on how to obtain a restricted radio
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.