How to activate GM MDI diagnostic tool

How to active GM MDI GDS 2?  First, Change the computer time:
1) After you have installed GDS2/Tech2win software on computer, run ” leasetime” in the start menu of computer

2) Click “Stop ALGM Service”, change the date and time on “Date” and “Time” sheet. Make sure the accuracy of time. After done, choose “Set”.

3) “Leasetime” should be consistent with your PC. If not, change the “Time and date” of your computer:

4) Date and time for time zone should choose “Location accurate time”.

GDS2 activation for GM MDI:
1) Connect the computer with internet. Open website:
2) Choose user name and click “OK”.
3) Click “go on”
4) Click “OK”
5) Click “OK”
6) Choose option  in the following options:
7) choose start GDS 2 “”.
8) system will install JAVA software automatically.

More details at


About eobd21

I am a car lover and like to repair car by myself, and know more info about car diagnostic tool and other obd2 tools, share these info with everyone.
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