CHEVROLET, GMC
N212351211
Manufacturer communications
- Publication date
- 2023-03-07
- Received by NHTSA
- 2023-03-08
- NHTSA record numbers
- 10232696
Manufacturer summary
Original wording in English
General Motors has decided to conduct a voluntary emissions recall involving certain vehicles, equipped with a diesel engine. The Engine Control Module (ECM) may not properly detect faults, set DTCs or illuminate the Malfunction Indicator Light (Check Engine Light) if these fault conditions occur:
•Charge Air Cooler (CAC) low efficiency (DTC P026A)
•Exhaust Gas Recirculation (EGR) cooler low efficiency (DTC P2457)
•NOx sensor position 1 slow response (DTC P22F9) Dealers are to reprogram the Engine Control Module (ECM) with corrected software.
•Charge Air Cooler (CAC) low efficiency (DTC P026A)
•Exhaust Gas Recirculation (EGR) cooler low efficiency (DTC P2457)
•NOx sensor position 1 slow response (DTC P22F9) Dealers are to reprogram the Engine Control Module (ECM) with corrected software.
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 | 2022 |
| Chevrolet | SILVERADO 3500 | 2022 |
| GMC | SIERRA 2500 | 2022 |
| GMC | SIERRA 3500 | 2022 |