Audi A3 Cabriolet 2015–2017 — technical service bulletin
Bulletin A911471 2039054- · NHTSA communication 10124875 · issued Nov 18, 2014
Technical service bulletin
communication type
Electrical System
component
2015–2017
model years
3
vehicle entries
Official summary
Background static noises (crackling) are heard when music is streamed to the MMI using Bluetooth audio player (A2DP). The static noises can only be heard with certain music tracks (especially ones with quiet passages), and often depend on the device being used (mobile phone, Bluetooth MP3 player, or iPod), the music codec used to convert the music, and the output volume of the device. The noises are not heard when the music is played from the device using other media connection sources (such as the hardwired Audi music interface (AMI) system or the Wi-Fi UPnP connection with the MMI Connect ap
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.