Certain vehicles may erroneously experience an illuminated Check Engine Malfunction Indicator Lamp (MIL)...
Chevrolet technical service bulletin N242469060 for 2022-2023 Chevrolet 5500HD, 2022-2023 Chevrolet 4500HD and 2022 Chevrolet 4500XD and others.
- Bulletin number
- N242469060 (N242469060)
- Component
- Unknown or other
- Summary
- 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.
Vehicles covered
- Chevrolet 5500HD 2022-2023 20222023
- Chevrolet 4500HD 2022-2023 20222023
- Chevrolet 4500XD 2022 2022
- Chevrolet 5500XD 2022 2022
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