What does it mean when the ABS light comes on in the car?

1 Answers
LeJaxson
07/29/25 8:31pm
When the ABS light comes on in the car, it indicates a problem with the anti-lock braking system. Possible causes include faults in the wheel speed sensor, ABS wiring, ABS pump, pressure modulation solenoid valve, or the ABS computer. The anti-lock braking system continuously monitors the wheels to ensure they maintain contact with the road surface during each brake application, preventing the car from skidding on slippery roads. In the ABS, each wheel is equipped with a speed sensor that sends signals about the wheel's rotation speed to the electronic control unit. The electronic control unit monitors and judges the movement state of each wheel based on the signals from the wheel speed sensors and generates corresponding control commands.
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