well, the whole hub unit shorted out (due to faulty wiring, as we finally figured out the second time this happened), so that the wheels were communicating to the ABS system that the car was slipping everytime I would hit exactly 3mph. so, when i would apply the breaks under normal conditions, the second the car hit 3mph, the ABS would engage and my car would slip, as if i had just slammed my foot down on the brake in the middle of a rainstorm.