Why Your Ford Focus IV ABS Light Stays On: Wheel Speed Sensor Troubles

Is your Focus IV’s ABS warning light stuck on? It’s often a wheel speed sensor issue. Learn which sensor to check first and whether it’s safe to keep driving.

What Does a Constant ABS Light Mean on a Ford Focus IV?

If the ABS warning light on your Ford Focus IV stays illuminated continuously, it's the car's way of telling you that the anti-lock braking system has detected a fault. While the standard brakes will still work, the ABS system (which prevents wheel lock-up during hard braking) is disabled. In most cases, the culprit is a faulty wheel speed sensor—a small but important component mounted at each wheel hub.


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