B1A09-11: Speaker #9 - Circuit short to ground: Action

NOTE: This DTC only applies to vehicles fitted with either a Meridian® sound system, a Meridian® Surround sound system or a Meridian® Reference sound system

Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the front left mid range speaker circuit for short circuit to ground. Repair circuit as required, clear DTC and retest
If fault persists, check and install new speaker(s) as required. Clear DTC and retest
If no harness or speaker faults are evident, check and install a new audio amplifier module as required. Clear DTC and retest