CHEVROLET

N242469060

2024-08-07 · NHTSA 11006063

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Certain vehicles may erroneously experience an illuminated Check Engine Malfunction Indicator Lamp (MIL) with Diagnostic Trouble Codes (DTC) P2201 NOx Sensor Circuit Performance Sensor 1 and/or P20EE Diesel Exhaust Fluid (DEF) System NOx Trap Low Efficiency. Dealers will reprogram the ECM and/or the DCU with the corrected service calibrations.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.