OK I'm an idiot. I went back out and tried again but this time, I turned the key to ON and not just ACC. The program loaded and everything is good. Sorry for the confusion.

does it read it all the way then fail, or stop in the middle, any specific error messages?
It tries to start the download - asks to turn off the truck, then turn it on (without starting), then it says reading PCM - 0%. Then turn off the truck, then turn it on (without starting), then it says ...

Hi there. Not very happy today. I had my truck going in for Dealership Service today so I restored it to Original Stock Tune. No problems. When I returned home, I tried to re-load the 91 Performance tune and it will not work. I have followed all directions on the tuner (key cycles, green check marks ...

Hi there.

I tried to use my new tuner on my 2012 Ram 1500 5.7L and I got to the screen where it says "you may need an update" and could get no further. It asked to connect the DCX to a PC (I have an iMac). I see from this thread that we must register the product to unlock it? I have attached my ...