DTC B1479-48: Power Supply Distribution Box - Supervision software failure: Action
- Using the Jaguar Land Rover approved diagnostic equipment, select the DTC-associated Guided Diagnostics. The Guided Diagnostic will subsequently test the system. If Guided Diagnostics is not available, refer to the help text below to rectify the fault
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s), lock the vehicle and wait two minutes. Unlock the vehicle and retest
- Refer to the electrical circuit diagrams and check the LIN bus circuit between the Gateway module and the Power Supply Distribution Box (PSDB) 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, reconfigure the Gateway module with the latest level software and retest
- If the fault persists, raise a Technical Assistance (TA)