NOx Sensor Fault Codes Across Major Vehicle Brands

Common NOx sensor fault codes across major vehicle brands

The list below highlights widely referenced NOx sensor-related fault codes and the brands where they are commonly encountered.

1. P2200: NOx Sensor Circuit Bank 1 – this code is commonly found in Volkswagen, Audi, Mercedes-Benz, BMW, and Dodge vehicles.
2. P2201: NOx Sensor Circuit Range/Performance Bank 1 – this code is commonly found in Mercedes-Benz, Volkswagen, Audi, BMW, and Porsche vehicles.
3. P229F: NOx Sensor Circuit Range/Performance Bank 2 – this code is commonly found in Mercedes-Benz, Volkswagen, Audi, BMW, and Porsche vehicles.
4. P225C: NOx Sensor Circuit Intermittent Bank 1 – this code is commonly found in Chevrolet, GMC, and Ford vehicles.
5. P225D: NOx Sensor Circuit Intermittent Bank 2 – this code is commonly found in Chevrolet, GMC, and Ford vehicles.
6. P2202: NOx Sensor Circuit Low Bank 1 – this code is commonly found in Mercedes-Benz, BMW, and Volkswagen vehicles.
7. P2203: NOx Sensor Circuit High Bank 1 – this code is commonly found in Mercedes-Benz, BMW, and Volkswagen vehicles.

These fault codes are not always limited to a single brand or model. Use the vehicle service documentation and proper diagnostics to confirm the actual root cause before replacement.