Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 571015 Date: 100319
Keyless Entry - Door Handle Touch Sensors Inop.
57 Door handle touch sensor (Advanced Key) sporadically inoperative
57 10 15
2022725/2
March 19, 2010.
Supersedes Technical Service Bulletin Group 57 number 10-09 dated February 10, 2010 for reasons listed below.
Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Page 526
Affected Vehicles
Condition
^ Door handle touch sensors (Audi Advanced Key) are intermittently inoperative on one or several doors, often after driving in the rain or through a
car wash.
^ No relevant DTCs are stored.
Technical Background
Water may enter the door handle touch sensor rubber sleeve and prevent proper operation.
Production Solution
Not applicable.
Service
1. Check the Advanced Key touch sensor opening (unlock) and closing (lock) signal on every door handle by monitoring Measuring Value Block 43
in address word 05.
2. Replace only the door handle sensor(s) which do not respond correctly in the Measuring Value Block.
Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Page 527
Warranty
Additional Information
More information on this system can be found in the following resources:
^ SSP: 998703 The 2008 Audi A5/S5 Convenience Electronics
^ TSB 2021439/1 57 Door handle touch sensor (Advanced key) inoperative
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.
