New Holland 12043 – INST: Communications Lost with Data Bus 1 and ALL other controllers

The system has detected a loss of communication with Data Bus 1 and all other controllers. This indicates a failure in the communication network that connects the controllers within the machine.

1. 1

   The integrity of Data Bus 1 wiring and connections

2. 2

   The functionality of the controller responsible for Data Bus 1

3. 3

   The power supply and grounding for the communication system

1. 1

   Inspect

   Check the wiring and connections of Data Bus 1 for damage, corrosion, or loose connections.

2. 2

   Test

   Verify the power supply and grounding for the communication system using a multimeter.

3. 3

   Diagnose

   Use the service manual to test the controller responsible for Data Bus 1 for proper operation.