03 6.0 automatic help!!

[1994formulalt1]

i've never posted in this forum before i have an 03 f350 dually 6.0 with a bullydog programmer, turbo back exhaust, and an intake. i've driven with this setup for a while now. the problem with my transmission is when i put it into drive or reverse or anything the motor just revs up and wont do anything. do you think it is my converter or my whole transmission? also what is the name of the automatic transmission in my truck called? thanks in advance for any help

[greasltn]

Have you checked the trans fluid? It is a 5r110 tranny by the way.

[1994formulalt1]

yes the trans fluid is full and the fluid looks good

[toddfez]

Ive been haveing a problem like this also if i rev the truck up in park or neutral i have no power to the wheels unless i rev it up again wile its in gear.

[fordcobra]

Mine was rebuilt by a ford trans tech and I have had nothing but problems, It get stuck in tow mode and will not shift to 5th. Once it warms up it goes crazy

[toddfez]

I've heard they have different dipsticks An upgraded valve body When he rebuilt yours did you get ?an upgraded valve body

[dazdillenger]

You need to put a good scanner on it and check for DTC's. Where are you located?

[fordcobra]

Originally Posted by dazdillenger

You need to put a good scanner on it and check for DTC's. Where are you located?

I have a couple of friends that are ford mechanics they use the pc from ford and get no codes .I live in Ceres Ca,