BUICK, CADILLAC, CHEVROLET, GMC
21NA088
Manufacturer communications
- Publication date
- 2021-05-03
- Received by NHTSA
- 2021-07-06
- NHTSA record numbers
- 10198872 · 10199263
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
This service bulletin provides repair information to correct a customer concern of a Check Engine Light Displayed on Driver Information Center (DIC), Engine Cooling Fan Windmilling, DTC P0494 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.