DTC B1A01-4A: Speaker #1 - Incorrect component installed: Action
- Check that the correct front left door high range (tweeter) 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 high range (tweeter) speaker circuit. Repair circuit as required, clear DTC and retest