DTC B128A-13: Speaker #13 - Circuit open: Action
- Refer to the appropriate system wiring diagrams and check the rear left surround 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 rear left 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