I went to full flash my ecu as i was going to change my operating system. Apparently a past issue came back to haunt me and during the flash it just stopped. I had updated to the new version with the fixed issues and the handheld and software are working fine. I try to cal flash and full flash my original file back in my truck and it cannot connect with the truck and will not start.

I do have access to GM tech 2 and bench flasher so i could pull my ecu and reflash it (Do you guys think this will fix it, Or do you think the ecu is dead?)

I did notice my 3rd tick on the handheld settings with the truck was never lit up in green. Wasn't there a way to get it to connect again I thought? I have 2 green X's out of the 3. If so i hope i could just flash my cal again and get it running.

Thanks Guys