I am looking to put on an Edge Juice Box w/ monitor and figured that limp mode is innevitable. My question is how do you get the truck out of limp mode with just an edge. Is it as simple as just detune the edge down, or do you have the reset the dtc's?

Do a search. It has been discussed before. I think a couple of startup cycles will reset it but I'm not 100% sure.

Just happened to me for the first time, you have to pull over and shut it off to get out of limp mode (regain all gears) the SES light will be on for a few warm-up cycles but will shift normaly then the light will go out, but the code will stay stored in the computer for quite a while.