B1479-96 Power Supply Distribution Box - Component internal failure: Action
- Refer to the electrical circuit diagrams and check the integrity of the auxiliary battery circuit connections at the battery terminals and at the power supply distribution box. Rectify as required
- Refer to the electrical circuit diagrams and check the power supply distribution box circuit between the gateway module and the power supply distribution box for short circuit to ground, open circuit, high resistance. Repair circuit as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs lock the vehicle and wait 2 minutes. Unlock the vehicle and retest. If the fault still persists, install a new power supply distribution box as required