JCB P2201-00: Downstream NOx Sensor Wire Diagnosis-Error in Voltage Supply

The system has detected a diagnosis error related to the voltage supply of the downstream NOx sensor wire. This indicates a potential issue with the electrical supply to the sensor, which may affect the accuracy of emissions readings.

1. 1

   The voltage supply to the downstream NOx sensor wire

2. 2

   The connection and integrity of the downstream NOx sensor wire

1. 1

   Inspect

   Inspect the downstream NOx sensor wire for damage, corrosion, or loose connections.

2. 2

   Test

   Test the voltage supply to the downstream NOx sensor wire using a multimeter or diagnostic tool.

3. 3

   Repair

   If a fault is found, repair or replace the downstream NOx sensor wire as necessary.