February 18, 2025 Service bulletin

This bulletin provides a procedure to check the wiring harness for a possible short that may

Chevrolet technical service bulletin 25-NA-025 for 2025 Chevrolet Trailblazer, 2025 Chevrolet Trax and 2025 Buick Encore GX and others.

Bulletin number: 25-NA-025
Component: Engine
Summary: This bulletin provides a procedure to check the wiring harness for a possible short that may cause the code to set and not just to replace the evaporative vacuum leak pump.

Owners of these vehicles have filed 27 complaints in the engine category.

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