DTC B128B-12: Speaker #14 - Circuit short to battery: Action

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