Well I am unsure of how I would fix it, I am definitely not very handy with a soldering iron (haven't messed with them much though)...
This sounds like a good idea with the low MPH upshifts, but wouldn't it bother the cruising speed shifts? I am gonna try to up that VSS diagnostic enable to 4,000 RPM and see how that helps me out. I haven't ever seen the "limp mode" where it will only stay in 2nd and 3rd; but I definitely see it hitting the rev limiter on upshifts on occasion and sometimes the car downshifts right into redline requiring an upshift right after!!
I do not plan on changing any pressure or shift times really because I cannot afford to rebuild a trans right now; I already have a shift kit and it shifts pretty good... smooth and still "strong". I'd rather keep it safe.. I would like to see WOT up/down shifts be tuned out; I guess it is just trial and error, gotta get a spare PCM and mess with it.
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