DTC U0165-4A: Lost Communication With HVAC Control Module - Rear - Incorrect component installed: Action
- Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the third row chiller unit power and ground circuits for open circuit, high resistance. Repair as necessary. Clear DTCs and retest
- Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the high speed CAN bus (comfort) circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, check the rear integrated control panel for related DTCs and refer to the relevant DTC index
- Check the fuel fired booster heater circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair as necessary. Clear DTCs and retest