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What is an ESP BAS light on a car?

I was driving the other day when a dashboard light that reads ESP BAS came on. I’ve never seen this light before, and it’s making me a bit stressed. What does the ESP BAS dashboard light on a car mean?

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Eric Schad · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
The ESP BAS light on a car stands for electronic stability program and brake assist system. These two systems help you maintain control of the car in slippery conditions, as well as come to a stop without locking the brakes or sliding. In short, they’re important for your safety.
While the light can come on for a number of reasons, the typical reasons for an ESP BAS include:
  • Wiring problems that run to the anti-lock brake system
  • Damaged brake components, such as the rotors, brake pads, or calipers
  • Bad wheel speed sensor, which is used in unison with the braking and stability control systems
If any of these components are damaged, you may notice
brake grinding
, difficulty steering in adverse conditions, and delayed braking.
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