ESP BAS Light: Meaning (Causes & How to Fix)

Last updated on December 1st, 2022 at 07:10 pm

It’s a gorgeous day, and you are driving along a long route. Your dashboard suddenly lighted with the letters ESP BAS. This is a warning light on your dashboard that point to an issue. The letters ESP BAS light up on your dashboard, but you’ve never seen these letters light up before, therefore you have no idea what the ESP BAS light is and why this appears.

This is the article where I will explain what is ESP Bas light is the causes it and also how to fix it. I will also explain some other things related to it.

What is the ESP-BAS and how does it work

ESP-BAS stands for “Electronic Stability Program – Brake Assist System.” It is a system that helps drivers to brake safely in emergency situations. When the system is activated, it automatically applies the brakes if it detects that the vehicle is about to lose control. This can help to prevent accidents and keep drivers safe on the road.

The ESP BAS Light: What Does It

The ESP BAS light is a warning light that comes on in some vehicles when there is a problem with the stability control system. This system helps to keep the vehicle stable and prevents it from skidding or sliding, so it’s important to have it working properly. If the ESP BAS light comes on, it means that there is a problem with the stability control system and it needs to be repaired.

Causes of the On ESP BAS Light

Steering angle sensor issue

The steering angle sensor issue is the cause of ESP BAS Light on. This is because the sensor is not able to properly communicate with the car’s computer system. As a result, the car’s computer system does not have the correct information about the car’s turning status, which can cause serious problems.

A faulty steering angle sensor is the primary cause of the ESP BAS light coming on. In order to fix this problem, you will need to replace the sensor.

Faulty wheel speed sensors

Faulty wheel speed sensors are the primary cause of an ESP/BAS light coming on in a vehicle. When this happens, it’s usually because the signal between the sensor and the control module is interrupted.

Wiring Issues

Wiring problems are the primary cause of an ESP/BAS light coming on in a car. This usually happens when the wires that connect the ESP/BAS system to the rest of the car’s electrical systems have been damaged or frayed.

Problem with the Brake Assist System

There are several potential causes of the ESP BAS light coming on in your car. One possibility is a problem with the brake assist system. This system helps to apply the brakes when it senses that you are braking too hard or too suddenly. If there is a problem with the system, it can cause the ESP BAS light to come on.

Brake Switch Failure

One common cause of the ESP BAS light coming on is brake switch failure. This usually happens because the switch gets damaged or wears out over time. When this happens, it can cause the ESP system to malfunction and turn on the light.

Problem with the stability control system

The problem with the stability control system is that it can cause the ESP BAS Light to turn on. This usually happens when the system is trying to correct for a problem that doesn’t exist, or when there is a problem with the system itself.

Symptoms of bad ESP BAS System

If your ESP BAS system is exhibiting any of the following symptoms, it may be time for a replacement:

  1. Frequent false alarms
  2. System fails to reset after an alarm
  3. Dead or missing sensors
  4. Frequent “check engine” light errors
  5. Cracked or damaged wiring
  6. Moisture or water damage to components
  7. Rusted or corroded components
  8. Unexplained power fluctuations
  9. Dim or flickering lights
  10. Abnormal sounds coming from the system

Step by Step Guide To Fix The ESP BAS Light

If your ESP BAS light is on, it indicates that there is an issue with your vehicle’s stability system. To fix this, follow these steps:

  1. Check your vehicle’s manual to see if there are any specific instructions for resetting the ESP system.
  2. If there are no specific instructions, you can try disconnecting the battery for a few minutes and then reconnecting it.
  3. Check the power steering fluid level and add more fluid if necessary.
  4. Inspect the power steering system for leaks.
  5. Check for loose or damaged wires and components in the power steering system.
  6. Have the power steering system flushed and refilled if necessary.
  7. If none of these methods work, you must take your vehicle to a mechanic or dealership to check it out.

How Can I Turn Off the ESP BAS Light?

The ESP BAS light is a safety feature in many cars that turns on when the vehicle’s stability control system is not functioning properly. If you see this light come on, you can turn off the ESP BAS light by following these steps:

  • Use a code scanner to get the engine or problem codes from the main computer of the automobile.
  • Then, find out what causes the ESP BAS light to turn on.
  • Make sure your car has the necessary maintenance before the ESP BAS light appears.

You may be able to turn off an ESP BAS light after an hour or two, on average. You shouldn’t have worried much about this.

Cost To Fix The ESP BAS Light

If your ESP BAS light is on, it means there is an issue with your electronic stability control system. This system is important for keeping your vehicle stable, so you’ll want to get it fixed as soon as possible. Depending on the severity of the problem, the cost to fix the ESP BAS light can range from $100 to $1,000.


Q: Is it OK to drive with ESP BAS light on?

A: It’s not advisable to drive with the ESP BAS light on. ESP, or electronic stability control, is a safety feature that helps drivers maintain control of their vehicles in slippery or dangerous conditions. If the light is on, it means that the system is not functioning properly and you could lose control of your car in an emergency situation.

Q: How do you test an ESP sensor?

A: To test an ESP sensor, you need to connect it to an electronic device that can measure the sensor’s output. Once the sensor is connected, you can use a software program to send signals to the sensor and measure the response.

Q: Where is the ESP sensor located?

A: ESP sensors are located in the front and rear of most vehicles. They are used to detect when a wheel slip is occurring and can help prevent accidents.

Q: How do you clean an ESP sensor?

A: To clean an ESP sensor, first make sure that the power is off and the sensor is cool to the touch. Then, remove any dirt or debris from the surface of the sensor using a soft, dry cloth. If there is stubborn dirt or grime, you can try gently scrubbing the surface with a slightly dampened cloth. Once the sensor is clean, dry it off completely before turning the power back on.


Thank you for reading our blog on ESP light. Please feel free to leave us a comment down below if you have any further questions or would like to be involved in a discussion with other ESP light sufferers! If you’ve been wondering about how to fix ESP light or how to make ESP light stop, you’ve come to the right place. We hope this article has been helpful and you never have to experience ESP light again!