John Deere 639: CAN Bus Fault

The system has detected a fault related to the CAN Bus, which is responsible for communication between electronic control units. This fault may affect the proper operation of the machine's systems.

1. 1

   The integrity of the CAN Bus wiring and connections

2. 2

   The presence of any visible damage or corrosion on the CAN Bus components

3. 3

   The functionality of the CAN Bus controller

1. 1

   Inspect

   Inspect the CAN Bus wiring and connections for damage, wear, or poor contact.

2. 2

   Test

   Test the CAN Bus for proper signal integrity using a diagnostic tool.

3. 3

   Replace

   Replace any damaged or faulty components of the CAN Bus if identified.