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March 30, 2022 Service bulletin

This service bulletin provides a procedure to locate and repair a possible loose wire crimp in the engine...

Chevrolet technical service bulletin 21-NA-016 for 2021 Chevrolet Trailblazer and 2020 Buick Encore GX.

Bulletin number
21-NA-016
Component
Engine and engine cooling
Summary
This service bulletin provides a procedure to locate and repair a possible loose wire crimp in the engine wiring harness to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated.

Owners of these vehicles have filed 57 complaints in the engine category.

Vehicles covered

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