DTC B1292-4A: Speaker #21 - Incorrect component installed: Action

NOTE: Meridian® Reference audio system only

Check that the correct front left headliner speaker is fitted and rectify as required, clear DTC and retest
If fault persists, refer to the appropriate system wiring diagrams and check the wiring harness and connectors on the front left headliner speaker circuit. Repair circuit as required, clear DTC and retest