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Potential Tuner
The Body Control Module
With these newer GM cars, having access to the BCM could be a real benefit. Anything from being able to disable the TPMS when running winter or race tires...to pulsing the ABS solenoid...which is necessary for bleeding brake lines in certain situations...the BCM is a very important part of the vehicle and it would benefit tuners to be able to make modifications. Why does HP Tuners not read the BCM in addition to the ECM and TCM?
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Tuner
Tech 2 well access the BCM.
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Advanced Tuner
I think that we understand that a Tech 2 device will do it, but the question here is will HPTuners ever support it? It sure would be nice to have access to everything!