S5 Quattro Coupe (8T3) V8-4.2L (CAUA) (2011)
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Rear Door Handle Switch: By Symptom
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
Not applicable.
Service
