Wednesday 6 November 2019

******** Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 910974 Date: 091102


Instruments - MMI Malfunction When iPhone/iPod(R) Used



91 3G MMI complaints on iPhone or iPod with Firmware 3.0



91 09 74



2021720/1



November 2, 2009



Affected Vehicles



Condition



3G MMI malfunctions when iPhone or iPod Touch are connected.



Technical Background



iPhone and iPod Touch with Firmware 3.0 do not work in the vehicle if they contain more than 2,700 tracks. If the units are connected with the



MMI, the normal MMI operation can also be affected.



Other firmware versions are not affected.



Production Solution



New Apple Firmware 3.1.



Service



Inform customers of their options:



^ Customers can limit the number of tracks to less than 2,700.



^ Customers can use their PCs to install Firmware 3.1 or higher on the iPhone or iPod Touch.



Warranty



This TSB is informational only and not applicable to any Audi warranty.



Additional Information



All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service



manuals for the latest information.