John Deere 002003.19: CAN BUS Message Issue With Communication Between the Engine Module and the Main Controller

There is a communication issue between the Engine Module and the Main Controller via the CAN BUS. This fault code indicates that the message exchange between these two components is not functioning properly. It is recommended to check for other related codes that may provide additional context.

1. 1

   The integrity of the CAN BUS wiring between the Engine Module and the Main Controller

2. 2

   Connections and terminals at both the Engine Module and the Main Controller

3. 3

   The presence of other fault codes that may be related to this communication issue

1. 1

   Inspect the CAN BUS wiring

   Check for any damage, wear, or loose connections in the wiring between the Engine Module and the Main Controller.

2. 2

   Verify connections

   Ensure that all electrical connections at both the Engine Module and the Main Controller are secure and free from corrosion.

3. 3

   Check for additional fault codes

   Use the diagnostic tool to scan for other fault codes that may be stored in the system, as they may provide further insight into the communication issue.