JCB P0118: High Signal Circuit 1 Temperature Sensor Engine Coolant

The system has detected a high signal in the circuit for the temperature sensor of the engine coolant. This may indicate an issue with the signal being sent from the temperature sensor or the associated wiring.

1. 1

   The temperature sensor for the engine coolant

2. 2

   The wiring and connections associated with the temperature sensor circuit

1. 1

   Inspect

   Inspect the temperature sensor for the engine coolant for physical damage or signs of wear.

2. 2

   Test

   Test the wiring and connections for the temperature sensor circuit for continuity and proper voltage.

3. 3

   Replace

   If damage or malfunction is found, replace the temperature sensor or repair the wiring as needed.