This technical bulletin provides repair information to correct a customer concern of the Service Engine...
Chevrolet technical service bulletin 20NA071 for 2019-2021 Chevrolet Blazer, 2017-2021 GMC Acadia and 2018-2021 Chevrolet Traverse and others.
- Bulletin number
- 20NA071
- Component
- Engine
- Summary
- This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
Owners of these vehicles have filed 778 complaints in the engine category.
Vehicles covered
- Chevrolet Blazer 2019-2021 201920202021
- GMC Acadia 2017-2021 20172018201920202021
- Chevrolet Traverse 2018-2021 2018201920202021
- Buick Enclave 2018-2021 2018201920202021
- Cadillac XT5 2017-2021 20172018201920202021
- Cadillac XT6 2020-2021 20202021
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