Posted on 5/29/2026

Two warning lights at once can make the problem look bigger than it really is. The ABS light comes on, the traction control light follows, and the car may still brake and drive normally. It feels confusing because those systems sound separate. In many vehicles, ABS and traction control use the same wheel speed information. If one wheel speed sensor stops sending a clean signal, both systems may lose the data they need. One minor sensor issue can trigger multiple warnings on the dashboard. What A Wheel Speed Sensor Does A wheel speed sensor measures how fast each wheel is turning. The vehicle uses that information for anti-lock braking, traction control, stability control, and sometimes transmission or all-wheel-drive behavior. ABS uses wheel speed data during hard braking. If one wheel starts to lock up, the system can adjus ... read more