John Deere 200018: CAN Bus Message Missing from Left Control Unit

The system has detected that CAN Bus message(s) are missing from the Left Control Unit. This indicates a potential communication issue between the Left Control Unit and other components in the system.

1. 1

   The connection and integrity of the CAN Bus wiring to the Left Control Unit

2. 2

   The power supply and grounding of the Left Control Unit

3. 3

   The functionality of the Left Control Unit itself

1. 1

   Inspect

   Check the CAN Bus wiring for damage, loose connections, or corrosion.

2. 2

   Test

   Verify the power supply and grounding of the Left Control Unit using a multimeter.

3. 3

   Diagnose

   Use a diagnostic tool to test the functionality of the Left Control Unit and confirm the presence of CAN Bus messages.