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trans code p0868!!!

10865 Views 10 Replies 3 Participants Last post by  TransEngineer
I bought a 2008 with a supposedly built 68rfe and it occasionally throws a 0868 code in my h&s black maxx but it will start in the mornings and do fine all the way through 4th untill it comes time to shift to 5th and it will never shift unless I press the throttle to the floor and let out quickly then it will work fine and the same thing for 6th and continue to be like that on the short trips through the day . Then my first long trip in it was 4.5 hours to world finals in Ennis, TX this weekend (which was awesome if you didnt make it by the way) but I noticed after a couple hours of driving, I stopped at a gas station off the interstate and left it running, it shifted fine and continued to do so when I got back on the interstate until I got to the hotel and shut it off for 5 min then got back in and it was back to not shifting any farther than 4th unless I did the throttle trick. Then it did the same thing on the drive home. Also on the short local drives during the week, when it didnt shift good, all the temps were always around 160-190 which is what they were when it shifted good on the interstate Any help would be appreciated thanks in advance!
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It's only thrown the code twice both were this weekend but it has the shifting problems all the time other than when's it's drove for a long time
So I know it's been a while but the truck still does. The same thing I changed the filters and fluid but still have no luck but the past few mornings after my truck runs for about 15 min I get in to back it out the drive way and it throws the trans in limp mode so I turn the key off and back on and its good but it seems electrical to me because after you drive it and it starts acting right you can turn the key off and back on and its screwed up again
Is there a website I can get a wiring diagram on the trans from the fuse box to see maybe wich wire group goes to the trans or anything that will help
I found this page but I'm not sure what plugs there talking about

thanks again for all the help
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