GM Tech2 Diagnostic Scanner RS232 self-test Guide

GM Tech-2 is the same tester Technicians use to diagnose GM vehicles. The Vetronix Tech 2 comes with Authentic GM software and provides support for on-board diagnostics on all GM systems 1992 thru 2014.

How to process GM Tech2 Diagnostic Scanner RS232 self-test?

1.Please use the adapter like the following pic shows.Or please make a network cable like this,as we have customer before have the cable problem.

GM Tech2

2.Go to main menu,choose tool options

GM Tech2

3.Tool options,then choose self test.

GM Tech2

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gm tech2 scanner