Thursday, 16 January 2020

******** Audi S5 Quattro Coupe (8T3) V8-4.2L (CAUA) Technical DIAGNOSIS AND REPAIR # 281003 Date: 100205


Starting System - Key Cannot Be Removed From Ignition



28 Key cannot be removed from ignition switch



28 10 03



2017801/5



February 5, 2010.



Supersedes Technical Service Bulletin Group 28 number 09-06 dated May 22, 2009 for reasons stated below.



250



Affected Vehicles



Condition



^ Intermittently, the key cannot be removed from the ignition switch after turning the ignition off.



^ No DTCs are stored.



Technical Background



^ After turning off the ignition, the key is only released from the switch after 200 ms. If the key is pulled immediately, it may be held in by the



ignition switch.



^ The solenoid valve is not completely open.



Production Solution



Not applicable.



Service



1. To release the key, another ignition cycle is necessary. (It is not necessary to start the engine.) Parts should not be replaced, and the switch



operation should be explained to the customer.



2. If the key cannot be released and there are no other related complaints, replace the ignition switch. Once the ignition switch is removed, the key



can be released as follows: Holding the switch in your right hand (looking at the key opening, part number pointing to the right), gently strike the



switch housing against your left hand. The key will be released.



251



Warranty



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.