I have not seen it as yet, but I found this is on another forum?
What information there is is in a .pdf (Adobe Acrobat) file, which says, in part:
"MSD's new Traction Control Detection (TCD™) technology carefully monitors all the available signals of the ignition. If the TCD determines that a signal has been modified, the ignition will be put into a low rpm rev limit mode that will immediately slow the car. Before this rev limit is imposed, the TCD goes through a list of cycles and checks to qualify and confirm that the trigger signal has been modified."
But I also heard they will be checking right shoe sizes too