New Holland 3157: Engine Control Unit Not Detected on CANbus

The system has failed to detect the Engine Control Unit (ECU) on the CANbus, or the engine dataset registration information was not available from the engine within the required time frame.

1. 1

   The connection between the Engine Control Unit and the CANbus

2. 2

   The functionality of the Engine Control Unit itself

3. 3

   The integrity of the CANbus network

1. 1

   Verify the physical connection of the Engine Control Unit to the CANbus.

   Check for loose, damaged, or disconnected wiring related to the Engine Control Unit and the CANbus.

2. 2

   Test the Engine Control Unit for proper operation.

   Use diagnostic tools to confirm whether the Engine Control Unit is functioning and communicating on the CANbus.

3. 3

   Inspect the CANbus network for faults.

   Check for wiring issues, signal interference, or other problems that may prevent communication between the Engine Control Unit and the CANbus.