Many individuals that get their GM Tech 2, very first thing is usually to do a self-test. It is just a method to exam if your GM Tech 2 is sweet or lousy. Should the Tech 2 test isn’t excellent, we could make contact with the customer companies immediately and change a new just one or get some specialized assistance.
GM trouble codes may be retrieved with or without a code scanner on pre-1993 GM vehicles, due to the type of OBD port connector of Vetronix GM Tech 2 .This port has been changed in the later model vehicles, and Tech 2 Scanner is necessary to retrieve the codes. Once the codes have been retrieved, the accompanying site will have a list of the codes and their meaning. To erase the codes and turn the check engine light out.
This is the CAN DI test for GM Tech 2. When your Tech 2 Scanner has problem, you can use the following ways to do the test, then you can know which part of your GM tech 2 has problem.
Q: Can GM Tech 2 Scanner support key coding and electronic control unit programming for all OPEL and Isuzu?
A: GM tech2 can’t support key programming; as for electronic control unit programming, you need to additionally buy a GM TECH2 and a TIS2000, but TIS2000 only support GM and Opel, not support Isuzu.
Q: Can GM Tech2 send commands to the various modules and is it able to do diagnostics on a climate control programmer? To what year is the scanner effective? I own a 1997 Cadillac DeVille and a 2001 Chevrolet Venture.
A: Yes, you can use GM TECH2 to diagnose climate control programmer, when it has communication GM Tech 2 can send commands to the modules.
Q: GM TECH 2 contains Saturn software?
A: yes, Saturn software is included in the GM software English and support for on-board diagnostics on all GM systems 1992 thru 2013.
This is from eobdtool.co.uk website technical support