- Diagnostic trouble code reading and clearing.With an intuitive user interface and extensive database of vehicle information, GlobalTIS is an essential tool for technicians working on GM vehicles around the world. GlobalTIS also provides access to technical service manuals, wiring diagrams, and other valuable information necessary for vehicle repair. The program includes a wide range of features such as diagnostic trouble code reading and clearing, module programming, and system testing. GlobalTIS is a software program developed by Eoos Technologies GmbH that allows automotive service professionals to diagnose and perform maintenance on vehicles manufactured by General Motors.
