It does not replace a Tech 2 and is a yearly subscription purchase but it is cheaper. Unfortunately, it leaves something to be desired with limited functions and some lack of actuator tests and incomplete coverage. This is a Tech 2 emulator that runs on your laptop and simulates the Tech 2 screen and keypad to operate it. GM also came out with a software program called Tech2Win. The above license requirements don’t apply with a 2 day paid pass to use GDS2. If expired, simply log in to Tis to Web before you work on a GDS2 vehicle and renew your license then. When you start GDS2, the bottom of the screen shows how many days left till an update is required. You do not HAVE to be ‘online’ to use GDS2, only download the latest software license to use it by visiting Tis To Web monthly. You download vehicle software to your laptop and then you run the vehicle choice or program to scan from your laptop with the MDI 2 as the interface between your laptop and the vehicle. Tis To Web as it is called is GM’s website to download the scan tool or reflash data to update a vehicles computer. GDS2 requires renewing of the license to use it by visiting the Tis To WEB website at least once a month (if you have a yearly subscription). We are now onto GDS2 which is simply a newer and better version than GDS1. (The Tech 2 is a Serial connection system and slower to transfer data for reflashing)īack to the MDI. Note that the MDI 2 is used for reflashing only but the dealers loved it because it is twice as fast because of its USB connection to the laptop. In preparation for this change, years earlier, GM had released a laptop based Multiple Diagnostic Interface or MDI. The communication systems changed and the Tech 2 scan tool was no longer able to access them. In 2010, GM made a change in their vehicles moving to a Global platform to simplify marketing their vehicles all around the world.
Tech2Win Functions/ Softwareīut you have to program new keys online via Because GDS2 works for the new GM MY2010 only while Tech2Win works for the old.Īttach a chart: GDS2 vs.
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