[west2020]

MY 2006 vw jetta does not start . when i turn the key it starts but it shuts right off.

 

[chittychittybangbang]

Yep, that's the immobilizer. What codes are you having? What keys are you using?

 

[Stefan2006]

Did you use another key?

 

[Keithuk]

Did you use another key?

Well maybe its me but what difference does it make using another key? If all keys are programmed to the car it shouldn't make any difference. I have 2 keys and both of them work.