Originally Posted by
bfife
I ran all the tests that I could and verified all the harnesses.(thanks again Roland). Everything is good. So it appears I have an internal fault in the IDM. if I had a spare I could install just to confirm my diagnosis that would help but, I don't. so for the time being I'm just going to ignore the CEL. Thanks for everyone help.
Barney
I'm having the same issue myself...just with the occasional rough idle and shaking.
Did you ever replace your IDM?