GM Tech 2 TIS2000 Dongle Installation guide Posted on November 3, 2019November 3, 2019 by VCDS TIS2000 is a very usefull software for GM TECH2, if you don’t know how to install TIS2000, just follow the following steps to do: 1, First install TIS2000 Program Disk in Computer 2, Desktop will appear How useful was this post? Click on a star to rate it! Submit Rating Average rating / 5. Vote count: This Post: GM Tech 2 TIS2000 Dongle Installation guide From ChinaOBD2 Official Blog Please keep this link if you copy the post!