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April 19, 2013 Service bulletin

Key does not stay or engage in ignition lock

Audi technical service bulletin 28 13 21 2017555 for 2009-2014 Audi A4, 2009-2014 Audi Q5 and 2008-2014 Audi A5 and others.

Bulletin number
28 13 21 2017555
Component
Electrical system: ignition: anti-theft: immobilizer/proximity: key/sender
Summary
Key does not stay or engage in ignition lock

Owners of these vehicles have filed 81 complaints in the electrical category.

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