ABS is the parent software governing ice mode..
its a traction and wheel slip issue... it has nothing to do with the mechanical brake system itself. The car software is basically tracking wheel slip via sensors and " thinks" you are on ice. Its attempting to limit brake input in order to help you gain control in an ice situation (because we all love driving our sports cars in the ice, apparently.)
You can eliminate Ice mode by pulling the ABS.. but you default brake bias to 50/50 and... you no longer have abs.
You are fighting the ECU... there are many different forms of mitigation, but 100% mitigation, is to toss the oem ecu, and add an aftermarket stand-alone system
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AAM tt'ed // Soon: Moving back to the East Coast
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