Quote Originally Posted by rainfade View Post
If I can find an 04 TAC module cheap I may try it or I'll just have to live with a few codes being set after I do the exhaust for now.
I hadn't planned on changing the exhaust but the oem muffler is totally shot and my thinking is if I have to work on the exhaust there is no reason to keep it stock.

Thanks,

Brian
Did you figure it out. I have the exact same problem. Same truck, same os