CADILLAC, CHEVROLET, GMC
20NA123
Manufacturer communications
- Publication date
- 2020-11-13
- Received by NHTSA
- 2020-12-21
- NHTSA record numbers
- 10184488
Manufacturer summary
Original wording in English
This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting.
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.