Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
4Original wording in English
CHEVROLET, GMC
This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.
CHEVROLET, GMC
This Preliminary information is to advise dealership technisians there is an ECM calibration to correct a DTC P2C7A.
CHEVROLET, GMC
This Preliminary information is to advise dealership technisians the cause of DTC P2C7A is under investigation.
CHEVROLET, GMC
This Preliminary information communicates the potential for DTCs P2C7A and/or P14D9 to set, the current procedure to clear them and that an ECM calibration is being developed.
Check vehicle applicability
6A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chevrolet | SILVERADO 1500 ↗ | 2023 |
| Chevrolet | SILVERADO 1500 ↗ | 2022 |
| Chevrolet | SILVERADO 1500 ↗ | 2020 |
| GMC | SIERRA 1500 ↗ | 2023 |
| GMC | SIERRA 1500 ↗ | 2022 |
| GMC | SIERRA 1500 ↗ | 2020 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.