JCB U059F-84: CAN Bus Message Error for Power Signal Status from Downstream NOx Sensor

The system has detected a CAN bus message error related to the power signal status from the downstream NOx sensor. This indicates a communication issue with the sensor's power signal, which may affect the accuracy of emissions data or system performance.

1. 1

   The connection and wiring of the downstream NOx sensor

2. 2

   The integrity of the CAN bus communication线路

3. 3

   The power supply to the downstream NOx sensor

1. 1

   Inspect

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

2. 2

   Test

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

3. 3

   Verify

   Verify the power supply to the downstream NOx sensor to ensure it is receiving the correct voltage.