DTC B1A04-13: Speaker #4 - Circuit open: Action
- Refer to the appropriate system wiring diagrams and check the front right door bass speaker circuit for open circuit, high resistance. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new front right door bass speaker
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new audio amplifier module