Possible Causes
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- The engine control module measured a signal voltage below a specified range but not necessarily a short circuit to ground, gain low
- Blockage in coolant system
- Insufficient mixture of antifreeze creating possibility of icing in coolant system
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Engine coolant temperature sensor circuit short circuit to power, short circuit to ground, open circuit, high resistance
- Engine coolant temperature sensor failure