JCB 0x00: Coolant Sensor Signal High Fault

The system has detected a high signal from the coolant sensor, indicating an abnormal condition in the cooling system. This may affect the proper operation of the engine and cooling functions.

1. 1

   Coolant sensor wiring and connections

2. 2

   Coolant sensor itself

3. 3

   Control unit for correct signal interpretation

1. 1

   Inspect

   Check the wiring and connections of the coolant sensor for damage, corrosion, or loose contacts.

2. 2

   Test

   Test the coolant sensor for proper operation using a multimeter or diagnostic tool, following the service manual procedures.

3. 3

   Replace

   If the coolant sensor is found to be faulty, replace it with a compatible component.