JCB U059E-84: CAN Bus Message Error for Power Signal Status from Upstream NOx Sensor

A CAN bus message error has been detected related to the power signal status from the upstream NOx sensor. This indicates a communication issue with the sensor's power signal, which may affect the proper functioning of the system.

1. 1

   The connection and wiring of the upstream NOx sensor

2. 2

   The integrity of the CAN bus communication线路

3. 3

   The power supply to the upstream NOx sensor

1. 1

   Inspect

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

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 upstream NOx sensor to ensure it is receiving the correct voltage.