Tech 2 TIS2000 Cannot Connect with Error 666 (SOLVED)

Tried to do SPS/TIS programming, etc. with my GM Tech 2 scanner. But I cant get it to work when i connected to my PC with windows XP system! Stupid serial ports, I don’t know why GM has not made the Tech 2 USB yet. Most computers don’t even come with legacy ports anymore. It’s almost as if the Continue Reading →