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Well I pulled a good one , I am new to tuning and fried my ecm. Swapped a 6.0 4l80e into my CCSB had hptuners support do the segment swap for the tranny. I decided I would copy and paste the remaining files from the donor file. read the warning about the desired throttle area soo I decided not to copy this I went back and changed the area back to stock or so I thought...hopped in the truck rewrite calibration and truck goes apeshit, reduced engine power ect pegs and now it wont start or even click for that matter. I guess I will visit the junk yard for a new computer, should I get one out of a 2005 half ton or can I get one out of a 2005 2500 so I wont have to do the segment swap again. I have a lot to learn about tuning a little more to it than turning wrenches