Question about Chevrolet Caprice Classic
If the low traction light and the ABS light are on, chances are the system is reading at least one wheel turning faster than the others, and is interpreting this as a slipping tire. I'm not sure how much the measured speed difference needs to be to turn the system on - maybe even an undersized spare tire could do it.
If you know it isn't the tires, you may have a problem with one of the wheel speed sensors. These detect the slots in the edges of the brake rotors. Check the wiring harness to the speed sensors - it gets a lot of abuse on the bottom of the car. A replacement rotor with different slot spacing could also cause the problem.
If the sensors and wiring are good and not sending false signals, then the ABS controller is at fault.
Posted on Feb 04, 2011
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