A6 Quattro Wagon V6-3.2L (BKH) (2006)
Amplifier: All Technical Service Bulletins
Audio System - No Audio Output for One Minute
90 08 16
2018224/2
November 11, 2008.
Supersedes Technical Service Bulletin Group 90 number 08-04 dated July 14, 2008 for reasons listed below.
Affected Vehicles
91 No audio output due to active component protection
Condition
-
No audio output for approximately one minute due to active component protection in the 47 - sound system module and in the 07 - display/control
unit (head unit) active.
-
A message to visit your Audi dealer may be displayed on the MMI screen during this time span.
Technical Background
In case of a low voltage incident (e.g. during engine start), the component protection of the audio amplifier and in the head unit may be active for
approximately one minute. After the minute has passed, the system operates without problems again.
This symptom only occurs if the component protection was deactivated in an incorrect sequence in the past.
Production Solution
Deactivation of the component protection in a different sequence.
Service
Deactivate the component protection via VAS scan tool.
Needlessly replaced parts will be debited.
Warranty