Ok guys ive got a 07.5 3550 with 325500k and a 68RFE. A week ago i got the p0750 code for the shift solenoid. I did all the resistance testing and volt testing and determined it was the solenoid pack. So i changed the solenoid pack, fluid, and filters. That code never came back but a low voltage code came up after that.... i checked all the wires from the pcm to the tipm. Thought it was a relay in the tipm ao i by passed the tipm relay with my own relay... low voltage code went away but now i had a high voltage code !!! Soooo i put everything back to factory like it was before i by passed the solenoid.. no more high voltage code ... drove it for a day the i get a p0841 code !!!! Thought maybe the filter came loose so i dropped the pan again. My stupid mistake ..i left the old filter neck seal in. So i think i got it now by putting 1 good seal in .... drove it a 15 miles ... its back It doesnt come on after its cleared at any certain time. R N D it doesnt matter. It just randomly comes on. Sometimes i have to clear it with my mini maxx tuner other times i can just put it in park shut the truck off. Turn it back on and its fine .. i dont know what to do ... P.C.M. ??? Wireing? Im lost
Bookmarks