DTC B1A04-12: Speaker #4 - Circuit short to battery: 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.

NOTE: For the InControl Touch Pro 6 speaker system this output channel is connected to a high range (tweeter) speaker in parallel with a bass speaker

Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the front right door bass speaker circuit for short circuit to power. Repair the wiring harness or install a new speaker as necessary
Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new audio amplifier module