BUICK, CADILLAC, CHEVROLET, GMC
20NA123
Manufacturer communications
- Publication date
- 2021-03-08
- Received by NHTSA
- 2021-05-03
- NHTSA record numbers
- 10191205
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.
| Make | Model | Model year |
|---|---|---|
| Buick | ENVISION | 2021 |
| Cadillac | CT4 | 2021 |
| Cadillac | CT4 | 2020 |
| Cadillac | CT5 | 2021 |
| Cadillac | CT5 | 2020 |
| Cadillac | ESCALADE | 2020 |
| Cadillac | ESCALADE ESV | 2021 |
| Cadillac | ESCALADE ESV | 2020 |
| Cadillac | ESCALADE NA | 2021 |
| Chevrolet | CORVETTE | 2021 |
| Chevrolet | CORVETTE | 2020 |
| Chevrolet | SUBURBAN | 2021 |
| Chevrolet | SUBURBAN | 2020 |
| Chevrolet | TAHOE | 2021 |
| Chevrolet | TAHOE | 2020 |
| GMC | YUKON | 2021 |
| GMC | YUKON | 2020 |
| GMC | YUKON XL | 2021 |
| GMC | YUKON XL | 2020 |