The Vetronix Tech 2 comes with Authentic GM software and provides support for on-board diagnostics on all GM systems 1992-2012. The Tech-2 is the same tester GM Technicians use to diagnose GM vehicles. GM Tech 2 Starter Kit with Candi Module & TIS Kit includes Category : GM, SAAB, OPEL, ISUZU, Suzuki, Holden Diagnostic Tool