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July 10, 2014 Service bulletin

Supersedes Technical Service Bulletin Group 91 number 13-02 dated August 30, 2013

Audi technical service bulletin A911450 2018187- for 2003-2010 Audi A4, 2003-2015 Audi A6 and 2009-2015 Audi Q5 and others.

Bulletin number
A911450 2018187-
Component
Equipment: electrical: radio/tape deck/cd etc.
Summary
Supersedes Technical Service Bulletin Group 91 number 13-02 dated August 30, 2013. Customer may report that cracking, grinding, rattling, humming, whining, or similar interference is coming from one or more speakers. Parts of the speakers (such as the brackets, cables, or covers) or parts of the interior fittings (such as door covers, rear shelf, facings, or covers) can vibrate at certain frequencies, causing noises. The radio tuner or other control modules may be affected by electromagnetic interference from aftermarket electronic devices.

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