DTC B13E7-12: Microphone 4 - Circuit short to battery: Action

NOTE: Meridian® Signature Reference audio system only

Refer to the electrical circuit diagrams and test the microphone 4 circuit for short circuit to power. Repair the wiring harness as necessary. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
If the fault persists, check and install a new microphone as required. Clear the DTCs and retest