B1479-08 Power Supply Distribution Box - Bus signal/message failures: 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 LIN 2 bus circuit between the gateway module and the power supply distribution box for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required
- Refer to the electrical circuit diagrams and check the power supply distribution box circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- 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 persists, install a new power supply distribution box as required