Possible Causes
WARNING: This page is about a different car, the 2018 Jaguar XF and 2017 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- The powertrain control module has determined failures where some circuit quantity, reported via serial data, is below a specified range
- Cooling system mechanical & 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