A8 Quattro Sedan V8-4.2L (BGK) (2006)
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The unwanted behavior occurs only after a sleep cycle of the MMI system. The sound setting does not change by itself during a driving cycle.
Production Solution
Software improvement.
Service
A MMI System software update must be performed. Refer to Technical Service Bulletin 2019334 for directions to perform the update.
Warranty
Additional Information
The following Technical Service Bulletin(s) will be necessary to complete this procedure:
-
TSB 2019334, 91 MMI High System software update (Zug 864 - update) procedure
All part and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Dept. and service manuals for
the latest information.
