Service Update
Chevrolet technical service bulletin A202304840 01 for 2021 Chevrolet Trailblazer and 2020-2021 Buick Encore GX.
- Bulletin number
- A202304840 01
- Component
- Engine
- Summary
- Service Update. Certain vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engine Soon), setting diagnostic trouble codes (DTC?s) P0011 or P0014, the engine could run rough and have reduced power. Dealers will inspect for these DTC?s that could have been set by this condition, and repair vehicles that fail the inspection.
Owners of these vehicles have filed 76 complaints in the engine category.
Vehicles covered
- Chevrolet Trailblazer 2021 2021
- Buick Encore GX 2020-2021 20202021
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