[4seasons69]

Yeah I agree pop your ecu open and see what it looks like in there. Check your powers and fronds to the ecu. And as jet said maybe try driving it with a volt meter connected. Or if you don't have anyone to ride along and have a power probe you could use that with the sound on so if it loses power you will hear it.

As for not connecting to link do you always us the same usb port in your computer? If you do try a different one. check your usb ports. In my old talon with link the strain from the laptop riding on the seat started messing with my usb ports. I still have troubles connecting to my computer with some things