DTC B1479-08: Power Supply Distribution Box - Bus signal/message failures: Action
- Refer to the appropriate system wiring diagrams and check the LIN bus circuit for short circuit to ground, short circuit to power, 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