My suggestion would be to find someone with a VCDS and see if it digs up any codes for you. Scangauge may not get more than OBD-II generic stuff. (Don't know, just conjecture on SG2.)
You always pay for what you get. Sometimes you get what you pay for.
It is called dope because it does make you dumb.
'00 4dr 5-sp white over black Golf: Sprint 520 nozzles, ABS+ASR, Koni FSD enhanced suspension, vented hood; '00 2dr 5-sp silver over black Golf. DG 5-sp short shifter. Nuthin' special yet.
VW does not build or sell cars. VW builds and sells mobile DIY kits disguised as cars.