Why is My Traction Control and ABS Light On?: 1 Minute to Understand Common Causes and Solutions

When both your traction control and ABS lights are illuminated on your dashboard, it's a clear indication that your vehicle’s safety systems have detected a malfunction. These lights usually alert you to issues with systems designed to help maintain stability and prevent skidding, especially in slippery conditions. The most common causes include faulty wheel speed sensors, damaged ABS modules, low brake fluid, blown fuses, or worn brake pads. In some cases, connectivity issues such as corroded wiring or a poor electrical connection can also trigger these warnings. While your vehicle may still be drivable, the loss of these safety features can increase stopping distances and reduce stability, so it’s important to diagnose and repair the underlying problem as soon as possible.

Tips 1:

As a designer, I often draw parallels between understanding car warning lights and troubleshooting interior layouts—both require a systematic approach to problem-solving. Just like identifying the source of a design issue before suggesting a new room planner or layout, diagnosing the cause of your dashboard warnings is the key to restoring your car’s safety and performance.

FAQ

Q: Can I drive my car with the ABS and traction control light on?

A: Technically, yes—but it’s unsafe. These systems prevent wheel lockup and loss of traction, so you’ll be more vulnerable in slippery or emergency situations. Get your car checked as soon as possible.

Q: What’s the most common cause for these lights to come on?

A: Faulty wheel speed sensors are a frequent culprit, as they feed data to both the ABS and traction control systems.

Q: Will resetting my car’s computer turn off the lights?

A: Sometimes disconnecting the battery might clear the lights temporarily, but if there’s an underlying fault, the lights will likely return. Proper diagnostics are necessary.

Q: Is low brake fluid linked to these warning lights?

A: Yes, insufficient brake fluid can trigger both ABS and traction control lights. Always check fluid levels if these lights come on unexpectedly.

Q: Does worn brake pads affect the ABS or traction control systems?

A: Severely worn pads can disrupt braking system functionality and trigger warning lights if sensors detect irregularities or damage.