CHEVROLET, GMC
21-NA-214
Manufacturer communications
- Publication date
- 2022-04-01
- Received by NHTSA
- 2022-04-06
- NHTSA record numbers
- 10210030
Manufacturer summary
Original wording in English
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration.
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 |
|---|---|---|
| Chevrolet | SILVERADO 2500 | 2020 |
| Chevrolet | SILVERADO 3500 | 2020 |
| GMC | SIERRA 2500 | 2020 |
| GMC | SIERRA 3500 | 2020 |