Posted to GM Driveability on 12/29/2011 14 Replies

This truck has a delayed turn off, you can take the keys out of ignition and it will keep running for at least 15 seconds. Mitchell doesn't give good diagnostics and if i un plug bcm truck dies. Replace bcm and still has same problem.if the tech 2 is pluged in...

FIX posted 2/10/2012