A6 Quattro Sedan V8-4.2L (BVJ) (2007)
Cellular Phone Microphone: Customer Interest
Cell Phone - Noise During Bluetooth(R) Call
91 Noise during Bluetooth call
91 10 57
2024302/1
September 1, 2010
AFFECTED VEHICLES
CONDITION
^ During a Bluetooth call, the other party hears static or humming.
^ Only vehicles with microphone part number 4L1 035 711 C or E may be affected if the part was produced in CW 47/07 or earlier.
TECHNICAL BACKGROUND
Interference in the microphone cable causes noise during the Bluetooth session.
PRODUCTION SOLUTION
Optimized microphone and cables.
SERVICE
Microphone 4L1 has been changed to a 6-pin plug, but the customer's vehicle may be equipped with a 4-pin plug.
^ If the customer's vehicle has a 4-pin plug:
a. Remove the old microphones on the 4-pin plug.
b. Remove the new microphones on the 6-pin plug.
c. Attach the new microphones to the old 4-pin plug.
^ If the customer's vehicle has a 6-pin plug, simply replace the microphones.