JCB P203B-87: CAN Bus Off Error from Headunit

The system has detected a CAN bus off error originating from the headunit. This indicates a communication failure between the headunit and the CAN bus network.

1. 1

   The connection between the headunit and the CAN bus network

2. 2

   The integrity of the CAN bus wiring

3. 3

   The power supply to the headunit

1. 1

   Inspect

   Inspect the connection between the headunit and the CAN bus network for loose or damaged connections.

2. 2

   Test

   Test the integrity of the CAN bus wiring for breaks or short circuits.

3. 3

   Verify

   Verify the power supply to the headunit is stable and within the required specifications.