DTC B1A09-4A: Speaker #9 - Incorrect component installed: Action

NOTE: Meridian® sound, Meridian® Surround and Meridian® Reference audio systems only

Check that the correct front left door mid-range 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 door mid-range speaker circuit. Repair circuit as required, clear DTC and retest