I agree. It'd be interesting to see what changes are made in each release, even if its just short and vague.

Updating to 9r15 was my first move to try and resolve this issue. I went out and bought the serial cable and ac adapter just for this. I never found any resolution to my issue. I took the tuner completely off my truck now for fear it's going to tear my transmission up.

Bumping this. Anything new in your research mikel?

Thanks Dawgman. I had recently replied with a wall of text but it appears that they most recent posts got lost in the forum update. I mentioned my transmission was replaced at 6k miles for a minor persistent leak, under warranty. Then the FICM had failed about 2 years ago and got replaced under the ...

It appears the last two messages have been lost in this thread. Is that due to the forum update i read?

Thanks for your time and effort. The Tow and Performance/economy tune gives me no trouble with shifting. Let me know if you need any more information. I'm hopeful its something that can be resolved as i love the responsiveness of the extreme tune.

I been running the Predator u7165. I noticed that it will occasionally shift very hard into 2nd or 3rd gear under mild to heavy acceleration. I tend to drive conservatively, but on the times i like to get into it, i worry its going to do it again. The shifts feel firm normally, but when it does mess ...