DTC B1A12-1A: Speaker #12 - Circuit resistance below threshold: Action
- Refer to the appropriate system wiring diagrams and check the sub-woofer 2 circuit for short circuit. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new subwoofer
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new audio amplifier module