Audi Q3 2015 - 2019 Technical Service Bulletin

57 Audi advanced key and push button start do not work after key adaption
57 18 45 2046196/3 February 15, 2018. Supersedes Technical Service Bulletin Group 57 number 17-39 dated
March 30, 2017 for reasons listed below.
Model(s) Year
Q3 2015 - 2019
Condition
REVISION HISTORY
Revision Date
3 -
2 03/31/2017
1 12/12/2016
After performing an adaptation of the vehicles immobilizer, the features of Audi advanced key are no longer
operational on one or more keys. This includes locking/unlocking of the vehicle from the door handle sensors, or
starting the engine with the Audi advanced key.
Operation of the door locks is still possible via the remote control buttons. The engine can still be started when
holding the key onto the key reader coil, located on the steering column.
Technical Background
The Transponder ID of the Audi advanced key (Comfort Key) has been learned by the vehicle immobilizer
(address word 0025), but not to the Access/Start Authorization System (address word 0005).
Production Solution
Not applicable.
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VIN Range
All
Purpose
Revised title
Revised Condition (Completely revised)
Revised Technical Background (Completely revised)
Revised Service (Completely revised)
Revised header data (Added model years 2018 and 2019)
Initial publication
Page 1 of 12
Vehicle-Specific Equipment
Not Applicable