DTC B1A08-12: Speaker #8 - Circuit short to battery: Action

Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the rear right door bass speaker circuit for short circuit to power. Using the manufacturer approved: diagnostic system, clear the DTCs and retest. If the fault persists, install a new rear right door bass speaker as necessary
Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new audio amplifier module