DTC P0599-12 Thermostat Heater Control Circuit High - Circuit short to battery: Action
- Inspect connectors for signs of water ingress and pins for damage and/or corrosion
- Refer to the system wiring diagrams and check coolant thermostat heater circuit for short circuit to power
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest
- Check and install a new coolant thermostat heater as required