Tech II

OK, got some more testing done with the GM Tech 2 and TIS 2000 program: Tech 2 View: The snapshot I did above was power train only, there is also a ...

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Tech 2 View

My HVAC controller was bad. It was not sending commands to operate the actuators. The display was zeros. I bought a new controller and this test shows...

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Testing GM HVAC with Tech2