DTC B1A04-1A: Speaker #4 - Circuit resistance below threshold: Action
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the front right door bass speaker circuit for short circuit. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new front 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