Condition

Customer statement:

There is occasionally a failure of all audio outputs while driving or after the vehicle is started. This affects functions such as:

Audio output can also not be restored by pressing or turning the volume control.

The audio output may be restored after performing a bus sleep cycle or restarting the MMI.

Workshop findings:

The complaint can be reproduced in the workshop.

Postpone repair

Technical Background

Software issue.

Production Solution

The complaint will no longer occur in vehicles manufactured in week 48/25 or later.

Service

Please postpone the repair and do not replace any components as there is currently no effective repair for the complaint described by the customer.

The implementation of a measure is currently being analysed. This analysis is expected to be completed at the end of May 2025.

If DISS is available in your market we recommend that you activate the e-mail notification function in DISS for this TPI/this complaint. You will then automatically receive an e-mail from the DISS system as soon as new information for this complaint is available.

Proceed as follows:Copy the TPI into the complaint in DISS. When you do so, you will see a message indicating that a measure is being developed for the selected TPI and that you can receive an e-mail notification when the solution is available. If you would like to receive a notification, please select “Yes” for the query regarding the e-mail notification. Please note that you can only receive an e-mail notification if you have provided your e-mail address in the dealer portal.

Please do not close this complaint. If no measure is available before the archive date in 12 months, please extend the archive date. To do this, open the complaint in the DISS Monitor (order list → Open archive candidates tab) and change the archive date to the maximum period using the calendar icon.

Warranty

Replacing parts or attempting repairs will not fix the problem. Unjustified work/replacement parts will be charged back. Invoicing under warranty is not permitted.

Additional Information

The complaint can be rectified by a bus sleep cycle.

All parts and service references provided in this TPI are subject to change and/or removal.

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