BUICK, CADILLAC, CHEVROLET, GMC
20NA071
Manufacturer communications
- Publication date
- 2020-03-20
- Received by NHTSA
- 2020-04-27
- NHTSA record numbers
- 10174291
Manufacturer summary
Original wording in English
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.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.