B128F-1A: Speaker #18 - Circuit resistance below threshold: Action

NOTE: Only applies to vehicles fitted with a Meridian® Reference sound system

Refer to applicable SYSTEM WIRING DIAGRAMS and check the wiring harness and connectors on the right seat back speaker(s) circuit. Repair circuit as required, clear DTC and retest
If fault persists, check and install a new speaker 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