JCB U059F-93: CAN Bus Message Error for NOx Level from Downstream NOx Sensor

The system has detected a CAN bus message error related to the NOx level from the downstream NOx sensor. This indicates a communication issue with the sensor or the associated circuit.

1. 1

   The downstream NOx sensor

2. 2

   The wiring and connections to the downstream NOx sensor

3. 3

   The CAN bus communication线路

1. 1

   Inspect

   Inspect the downstream NOx sensor and its wiring for damage, corrosion, or loose connections.

2. 2

   Test

   Test the CAN bus communication线路 for continuity and proper signal integrity.

3. 3

   Verify

   Verify the functionality of the downstream NOx sensor using diagnostic tools.