Is it a new key that you're trying to program or has it just started having an immo problem out of the blue?
Here's an immo troubleshooter
http://www.myturbodiesel.com/1000q/multi/immobilizer-VW-Audi-FAQ.htm
and here's a programming guide
http://www.myturbodiesel.com/1000q/a4/vw-smart-key-remote-replacement.htm
welcometomyturbodies
Here's an immo troubleshooter
http://www.myturbodiesel.com/1000q/multi/immobilizer-VW-Audi-FAQ.htm
and here's a programming guide
http://www.myturbodiesel.com/1000q/a4/vw-smart-key-remote-replacement.htm
welcometomyturbodies