JCB P2043-81: CAN Bus Message Error from Head Unit

A CAN bus message error has been detected from the head unit. This indicates a communication issue within the system, likely related to the transmission or reception of messages through the CAN bus.

1. 1

   The integrity of the CAN bus wiring

2. 2

   Connections at the head unit and related modules

3. 3

   Power supply to the head unit

1. 1

   Inspect

   Inspect the CAN bus wiring for damage, corrosion, or loose connections.

2. 2

   Test

   Test the connections at the head unit and related modules for proper contact.

3. 3

   Verify

   Verify the power supply to the head unit is stable and within specifications.