All Bulletins » Chevrolet » Trailblazer

Chevrolet Trailblazer Technical Service Bulletins

Technical Service Bulletins of Chevrolet Trailblazer Model Years


Latest Technical Service Bulletins of Chevrolet Trailblazer

2024 Chevrolet Trailblazer engine and engine cooling TSB (Bulletin 24-NA-064)

Bulletin Date: Apr. 2, 2024
Component: Engine and engine cooling
Bulletin Summary: This service bulletin advises the tech to re-program the ecm to correct a customer concern of the mil illuminated w/dtcs p0324 and/or p0116 set.
Vehicles covered in this TSB:
2024 Buick Encore Gx, 2024 Buick Envista, 2024 Chevrolet Trailblazer, 2024 Chevrolet Trax.

2024 Chevrolet Trailblazer steering TSB (Bulletin PIC6539)

Bulletin Date: Feb. 14, 2024
Component: Steering
Bulletin Summary: This preliminary information communicates to the technician the normal operation of the heated steering wheel during a remote start event.
Vehicles covered in this TSB:
2024 Buick Encore Gx, 2024 Buick Envista, 2024 Chevrolet Trailblazer, 2024 Chevrolet Trax.

2021 Chevrolet Trailblazer engine and engine cooling TSB (Bulletin 20-NA-084)

Bulletin Date: Feb. 13, 2024
Component: Engine and engine cooling
Bulletin Summary: This service bulletin provides information on normal engine characteristics/noise produced by the lih engine.
Vehicles covered in this TSB:
2020 Buick Encore Gx, 2021 Buick Encore Gx, 2022 Buick Encore Gx, 2023 Buick Encore Gx, 2024 Buick Encore Gx, 2021 Chevrolet Trailblazer, 2022 Chevrolet Trailblazer, 2023 Chevrolet Trailblazer.

Also see Common Chevrolet Trailblazer problems