BUICK, CADILLAC, CHEVROLET, GMC
18NA115
Manufacturer communications
- Publication date
- 2020-09-02
- Received by NHTSA
- 2020-10-26
- NHTSA record numbers
- 10181670
Manufacturer summary
Original wording in English
This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set.
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.