DTC B1DC4-87: Chiller Refrigerant Control Expansion Valve - Missing message: Action
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the chiller refrigerant control expansion valve circuit for short circuit to power, short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the LIN circuit for short circuit to power, short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest. If the fault persists, install a new chiller refrigerant control expansion valve as necessary