2002 f-250 trannie problem - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 04-30-2007, 12:02 PM Thread Starter
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2002 f-250 trannie problem

hi i have a 2002 f-250 and it has a edge juice chip and a edge evolution chip in it and 4 inch duals and air cleaner and the trannie started to not shift right then not at all into 3rd and 4th or reverse so i took the edge juice chip out and it worked fine then about a week later the alternator went dont know if related and then everything worked fine now it has been about 3 months and now the tranny is having a hard time shifting into gears and i got the codes that it is putting out here they are P0603 PCM processor keep alive memory (KAM) error, P0470 exhaust back pressure sensor circuit malfunction, P0781 1-2 shift malfunction, P0782 2-3 shift malfunction, P0732 gear 2 ratio error, P0733 gear 3 ratio error. and also yesterday on my way home from work it was having a very hard time and starting to slip and then i noticed the the OD off light on the shift selector started to flash and could not tell if it would go from 4th to 3rd by pressing it because it would not go to 2nd please if anyone can help let me know thank you
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