JCB U1904: ECU Above Temperature Threshold

The ECU has detected that its operating temperature has exceeded the specified threshold. This may indicate overheating or a failure in the cooling system of the ECU.

1. 1

   The ECU's cooling system

2. 2

   The ambient temperature around the ECU

3. 3

   The ECU's internal temperature sensor

1. 1

   Inspect

   Inspect the ECU's cooling system for blockages, damage, or improper installation.

2. 2

   Verify

   Verify the ambient temperature around the ECU to ensure it is within the acceptable range.

3. 3

   Test

   Test the ECU's internal temperature sensor for proper functionality.