Gm Tech II Introduction: Model name:GM tech2 Software Version:Different model,different version. Update:By card. Car Models:GM/SAAB/OPEL/SUZUKI/ISUZU/Holden Languages:English/ German/ Spanish/ Japanese/ French/ Italian and others. Functions:Diagnostic interface Connection:By OBD2. A lot of info I found on the forum about TECH2 diagnostic tool for dianosing GM, SAAB, OPEL, SUZUKI, Holden, ISUZU,but there are few articles on introducing its software running computer, here I will do some review on it. Well you have a Tech2 but a lot of the things you would like to do is locked out because you don’t have access to the computer software to allow you to do it. Things like updating PCM’s and modules and anything security related are locked out. I paid €329 for the ChineseTech2 clonewhich comes with a CD with the Tis2000 software. The quality of this is amazing. i wouldnt never be able to tell it was a clone.As I know, this tech2 software support vehicles diagnostic & program from 1992 to 2013, it is enough for me. Then i want to talk about its running computer, thanks to some forum friends, they share these experience with me. The Tech2 communicates with the computer using a serial port on the computer running Windows XP…