Situation: I have a 2004.5 cummins, with a (TST, EDGE EZ, SMARTY, RAIL CAP, HTBG TURBO) Smarty will not load (internal error 7), tst makes engine surge like sumthing fierce, dont know if EZ is even working?
I keep getting a p0606 pcm proccessor fault code.. could this be the problem?
I have...