Symptom Chart

WARNING: This page is about a different car, the 2019 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM	POSSIBLE CAUSES	ACTION
Coolant loss	Coolant hose(s) leaking Coolant hose connection(s) leaking Radiator leaking Variable coolant pump leaking Heater core leaking Seals leaking Engine casting leaking Engine core plugs leaking	GO to PINPOINT TEST A .
Engine overheating	Coolant level low Thermostat flow/direction valve fault Electric cooling fan inoperative Engine coolant temperature sensor fault Radiator airflow restricted	GO to PINPOINT TEST B .
Engine not reaching normal operating temperature	Thermostat flow/direction valve fault Electric cooling fan stuck on	GO to PINPOINT TEST C .
Message centre displays "Coolant Level Low" warning message	Coolant loss Engine coolant level sensor fault Engine coolant level sensor circuit fault	GO to PINPOINT TEST E .