I have the same p0603 tc first bout 3 mo ago my 02 f 350 would not start. I have a super chip on the hi setting went to stat and it just turned over and over. I set back to normal and then it started fine no prob for 3 mo til bout 2 weeks ago would not start didnt have the super chip controller so just unpluged the bat for 30 min and the tuck started. Now it dosent start one out of 10 starts and i pull the cable and it will crank then i have replaced the cps that did no help
please help
thanks
