DTC B1479-98: Power Supply Distribution Box - Component or system over temperature: Action
WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.
- 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 (PSDB). Rectify as required
- Refer to the electrical circuit diagrams and check the Power Supply Distribution Box (PSDB) circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary
- Allow the vehicle to cool. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs, lock the vehicle and wait two minutes. Unlock the vehicle and run the engine for five minutes with all electrical loads switched on. If the fault persists, install a new Power Supply Distribution Box (PSDB) as required