Possible Causes
WARNING: This page is about a different car, the 2018 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control module cavity
- Circuit reference Signal I_A_CHT
- Circuit reference Ground G_R_CHT
- Monitor Description
- Cylinder head temperature sensor reading too high or too low at cold star
- Prioritised List of Possible Causes
- Cooling system mechanical and fluid integrity
- Cooling fan system mechanical integrity
- Thermostat system mechanical integrity
- Cylinder head temperature sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Cylinder head temperature sensor failure
- Engine coolant level or flow failure