It proved to be a new resource that provides additional convenience and diagnostic capability.Ī vehicle communication interface (GM MDI scanner) must be installed and connected to PC.īulgarian, Czech, Danish, German, English (either British or American), Greek, Spanish, Finnish, French, Croatian, Hungarian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovenian, Swedish, Thai, Turkish, Chinese (Simplified), Chinese (Traditional)ġ) Tech2Win is designed to be used for diagnostic function. It is not a replacement of the GM Tech2 scanner. Tech2Win software can be loaded onto a service PC or laptop via TIS2Web. Tech2Win is a Windows application which can emulate Tech2 diagnostics on a PC or laptop.