Case IH ICU14011: Communications Lost with Vehicle Data Bus 1 and ALL other controllers

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

1. 1

   The integrity of the Vehicle Data Bus 1 wiring and connections

2. 2

   The functionality of the controller responsible for managing Vehicle Data Bus 1

3. 3

   The power supply and grounding for the controllers involved

1. 1

   Inspect

   Inspect the wiring and connectors of Vehicle Data Bus 1 for damage, corrosion, or loose connections.

2. 2

   Test

   Test the power supply and grounding for the controllers to ensure they are operating within specifications.

3. 3

   Diagnose

   Use a diagnostic tool to further diagnose the communication failure and identify the specific controller or section of the bus that is affected.