I built a 4L80E for my new project, it was running great-then it felt like it was losing OD, but
I think it was actually going into limp mode, back to 2nd. I see the controller lose the gear
selection when it happens, so I figure it doesn't know what gear its in, so it goes limp mode.
I checked all the conns., pulled the pan to ck conns there, all are good. While I had the pan
off, decided to switch out the pressure switch. Haven't put the pan back on yet, so my question
is could there be something mech. causing this. If I move the shifter around sometimes it
goes back to normal, then might drop back to limp mode. 2/3 valve, sol., etc?