Here offer you "V3.0 ISCANCAR software" download link as follows:
http://down.eobd2.fr/iscancar2-online-update-tool-v1.2.5.zip
Method to upgrade IScancar scanner
Note: Connect your computer to network The computer should be the same one that you install the IScancar software before.
1. Extract “ISCANCar2 update tool V1.2.2? on the desktop. You will get a file.
2. Extract “ft232? into “ft232? file.
3. Connect your ISCANCAR to the computer via the 16pin cable. The machine will then start up itself.
4. Found the new hardware
Make sure the connection is successful and then install its software in
the folder “IScanCar2 Update Tool V1.2.2-ft23?. Click “Next” after the
Found New Hardware Wizard is finished.
5. Run “IScanCar2 Update Tool V1.2.2?, and then click the middle button to start updating.
6. Wait for several minutes until it updates successfully.
Method to Update VAG V3.0 ISCANCAR OBD2 Scanner
原文：http://www.cnblogs.com/eobd2/p/4275488.html