Antitheft System - Can't Turn Ignition Switch/Key Stuck

96 08 19

2012483/3

November 25, 2008.

Supersedes Technical Service Bulletin Group 96 number 08-07 dated August 12, 2008 for reasons listed below.





Affected Vehicles

28 Ignition switch cannot be turned on; key may stick in ignition

Condition





- Engine will not start.

- Ignition cannot be turned on.

- In some cases, the ignition key cannot be removed from the ignition switch after attempting to start the engine.

Technical Background

No communication with the Access/Start Control Unit (J518), which may be caused by capacitor and or transistor damage within the Access/Start Control Unit (J518).

Production Solution

Introduction of an improved Access/Start Control Unit (J518).

Service

1. Verify that the wire connections are good at the Access/Start Control Unit (J518), and verify voltage supply and grounds are OK.

2. Remove the black/red wire from position 19 of the 20-pin connector located at the Access/Start Control Unit (J518).

NOTE: This wire provides the signal (50) from the starter relay. Removal of this circuit is to prevent a possible voltage spike that could cause damage to the Access/Start Control Unit (J518).

3. Tape the wire and terminal back on the wiring harness.

4. Replace the Access/Start Control Unit (J518).

Warranty





When procedure applies to vehicles under warranty, use the table.

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to review or audit by Audi 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.