DTC B1479-08: Power Supply Distribution Box - Bus signal/message failures: 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
- Refer to the appropriate service information 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 appropriate service information and check the LIN bus circuit between the GWM 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, clear the Diagnostic Trouble Code(s), lock the vehicle and wait two minutes. Unlock the vehicle and retest. If the fault persists, raise a Technical Assistance (TA)