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Message: [QUOTE="DHFF, post: 1069487, member: 7352"] **** man I wish I would have gotten on here sooner. Needless to say I never made it to Houston. Got all the way to STL and and had to get it into a dealer. I put a FORD CPS back in it and it seems to like that one so I'm going to order the Delphi and keep it for back up. I have 4 other brands in my glovebox that are all paperweights. So anyway I am rolling into STL and just randomly at 70 MPH the TC unlocks for no reason. I don't have the cruise set and am watching it on my monitor and it WILL NOT lock back up in any gear cruising at constant. Stop and shut it off and take off still nothing. Get about 20 miles down the road and it starts locking and unlocking at random. Only when it should, but still randomly unlocking when no inputs change. So to the dealer I go because its not throwing any codes and I'll roach this new trans and TC in no time like that. They drive the truck for 3 hours, and can't find a damn thing saying my PCM wont allow them to complete some of their tests and they have no idea whats wrong. Tell me to buy a new PCM. I told them no, paid them 198 bucks (with no knowledge gained and a day wasted in STL mind you) and back north I go to a buddies house in Springfield IL. I called Morgan at Midwest and he doesn't work on 4R100s...... huh? Anyway I've since been buying and replacing every damn sensor I can to try to trace down the bad ground or funky reading the PCM is seeing to lock and unlock it.... I have replaced the Brake switch, verified all brake lights work, replaced the ABS sensor in rear end, Put dielectric in every connector I can find, adjusted the play out of my shifter linkage and cable, and I am just at my end. No one can touch the truck for a couple weeks. As of right now it is locking as usual, but I know Im gonna get down the interstate in a day or two and watch it do it again. This truck is a NIGHTMARE..... [/QUOTE]