DTC B1A12-13: Speaker #12 - Circuit open: Action
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the subwoofer 2 circuit for open circuit, high resistance. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new sub-woofer as necessary
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new audio amplifier module