A6 Quattro Wagon V6-3.2L (BKH) (2006)
Keyless Start Transmitter: All Technical Service Bulletins
Keyless Systems - Remote Transmitter Key Range Too Short
57 Remote transmitter key range is insufficient
28 10 10
2012785/9
August 16, 2010
Supersedes Technical Service Bulletin Group 28 number 09-08 dated June 17, 2009 for reasons listed below.
Affected Vehicles
Condition
Customer may report that the range for the remote transmitter key operation is insufficient. No DTCs are stored for this condition.
Technical Background
Cause may be one of the following:
^ Inoperative remote key.
^ Low remote key battery.
^ An electrostatic charge, induced into the antenna lead of the ignition starter switch during vehicle production.
^ A broken solder joint at left rear glass.
Production Solution
Improved production process.
Service
1. After verifying the condition, obtain an operative remote key from another A6 or Q7 (same remote key) to compare the reception strength with the
customer's remote key.
Tip: The key from another vehicle needn't be adapted to the vehicle for this test.
2. Select Vehicle Self Diagnosis >> 05 - Access/Start Authorization System >> 011 - Measured values.
3. Note reading of Measurement Value Block 11, field 3, while operating each remote next to the left rear side window (Q7) or the top right of rear