A5 Quattro Coupe L4-2.0L Turbo (CAEB) (2010)
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Communications Control Module: Customer Interest
Cell Phone - MMI Bluetooth(R) Is Inoperative
91 3G MMI: Bluetooth does not work
91 10 65
2022512/2
October 18, 2010
Supersedes Technical Service Bulletin Group 91 number 10-01 dated January 27, 2010 for reasons listed below.
AFFECTED VEHICLES
CONDITION
^ The Bluetooth connection is disrupted and cannot be restored.
^ A mobile phone cannot be connected to the vehicle via Bluetooth.
TECHNICAL BACKGROUND
3G MMI hardware and software-related issues.
PRODUCTION SOLUTION
New 3G MMI hardware and new software (ZUG 0114).
SERVICE
1. Determine whether the customer's phone is on the approved mobile phone list. (Review list at www.audiusa.comlbluetooth.)
2. Ask the customer whether the mobile phone has been successfully connected to this vehicle via Bluetooth.
3. Determine whether another approved phone can be connected to the vehicle via Bluetooth.
4. Determine whether the customer's phone can be connected to another vehicle equipped with 3G MMI via Bluetooth.
5. Determine whether adaptation channel 17 (Bluetooth on/off) is set to 1 in the 3G MMI main unit, address 5F.
If points 1, 2, 4 and 5 apply but not point 3 perform the following:
Read measuring value block 144 in the main unit, address 5F.
^ If value 2 is "1" (Bluetooth switched off), then reset the value to 0 and then back to 1 in adaptation channel 17.
