BUICK, CHEVROLET, GMC
21NA107
Manufacturer communications
- Publication date
- 2021-11-17
- Received by NHTSA
- 2021-12-27
- NHTSA record numbers
- 10205549
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 Brake Assist Message Displayed, with DTC P0557 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.