Monday, 25 January 2021

******** Audi S5 Quattro Coupe (8T3) V8-4.2L (CAUA) Technical DIAGNOSIS AND REPAIR # 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.



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



256



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.



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



257



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.