2007 Cadillac Escalade Q&A

2007 Cadillac Escalade Question: what is the problem when 2007 cadillac escalade wont shut off.

the problem occurs after i put it in park and take key out , the truck wont shut off then the check engine light comes on!!! -
Answer 1
scan codes and post so we can adv -
Answer 2
what codes? -
Answer 3
Just had the same problem with my 2007 Escalade EXT. I was told that my ignition modules are bad. Having both replaced now and due to this replacement you must have new keys programed. It's running me around $800 through a personal mechanic. -