Wednesday, 28 November 2018

******** Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 571025 Date: 100603


Advanced Key(R) - Door Handle Touch Sensor Inoperative



57 Door handle touch sensor (Advanced key) inoperative



57 10 25



2021439/2



June 3, 2010



Supersedes Technical Service Bulletin Group 57 number 09-18 dated September 9, 2009 for reasons listed below.



Affected Vehicles



Condition



^ One door handle touch sensor (Advanced Key) is inoperative.



^ DTC for "Outside Door Handle Touch Sensor - Incorrect Signal" is stored in the access/start authorization control module J518 (address word 05)



for the affected door.



^ In Measured Value Block 43 of the access/start authorization control module J518 (address word 05), the second bit from the right (Hall sensor)



of the affected door handle is always 1.



Technical Background



The magnet is missing from under the door handle cap.



Production Solution



572



Not applicable.



Service



573



Pull the affected door handle open and check to see if the magnet is installed (Figures 2-4).



If the magnet is missing, install the magnet.



574



Warranty



Required Parts and Tools



Additional Information



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.