Quote Originally Posted by minichopper6hp View Post
just asking b/c if you have a tire that has alot less tread than the other, it will set the light as that wheel will be traveling different speed than the other. It usually will set the light after driving for a couple of minutes and reset when you turn off the car.
But this isn't typical. I have had tires with very different tread on my car before in various states, and never once did it set the ABS light.

Typically, the ABS light in this situation is going to be caused by a bad WSS or bad wiring.