DTC B1479-73: Power Supply Distribution Box - Actuator stuck closed: Action
- Refer to the appropriate system wiring diagrams and check the power supply distribution box circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary
- Using JLR approved diagnostic equipment, clear the DTCs, lock the vehicle and wait two minutes. Unlock the vehicle and retest. If the fault persists, install a new power supply distribution box