Sorry to hi-jack.
I have the exact same set up and I can not connect to the engine part. I know the cable works because I connected to the radio and a couple of other things, but not the engine.
Any ideas as to why ?
there seems to be alot of issues with the cheap vag com leads not connecting to ECU`s. mine is a cheapo but its an old cheapo.
try going into the options screen of vag com, set the baud setting to 9600 then click apply, see if that works