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July 10, 2013 Service bulletin

The Bluetooth telephone bonding tone is too loud or quiet for the customer

Audi technical service bulletin A911390 2019821- for 2005-2008 Audi A4, 2006-2013 Audi A3 and 2008-2010 Audi TT and others.

Bulletin number
A911390 2019821-
Component
Electrical system
Summary
Supersedes Technical Service Bulletin Group 91 number 11-29 dated December 20, 2011. The Bluetooth telephone bonding tone is too loud or quiet for the customer. When a telephone is connected to the vehicle via the Bluetooth wireless connection, a tone is played over the audio system. The volume of this tone correlates to the volume level of the phone preparation voice control. This volume level is independent of the volume during telephone calls.

Owners of these vehicles have filed 96 complaints in the electrical category.

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