DTC P0599-12: Thermostat Heater Control Circuit High - Circuit short to battery: Action
WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the appropriate System Wiring Diagram(s) and check coolant thermostat heater circuit for short circuit to power
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Check and install a new coolant thermostat heater as required