New Holland 3985 – ENGINE: Engine ECU Temperature is High

The Engine ECU temperature has exceeded normal operating limits, which may affect the performance and reliability of the engine control system.

1. 1

   Cooling system for the Engine ECU

2. 2

   Ventilation around the Engine ECU

3. 3

   Engine ECU temperature sensor

1. 1

   Inspect

   Check the cooling system for the Engine ECU for blockages, leaks, or damage.

2. 2

   Verify

   Ensure proper ventilation around the Engine ECU and that no debris is obstructing airflow.

3. 3

   Test

   Test the Engine ECU temperature sensor for correct operation using a diagnostic tool.