ESP stands for Electronic Stability Programme and is one of the most important safety features of a vehicle.
In this blog, we will explore what ESP is, what can cause it to malfunction, and what steps you should take when your ESP warning light turns on.
What is ESP?
The Electronic Stability Programme (ESP) in a car is a safety feature that improves a vehicles stability by detecting and reducing loss of traction. When the ESP detects loss of steering control, it automatically applies the brakes to help stabilise the vehicle.
Braking is automatically applied to wheels depending on the hazard – for example braking is applied to the outer front wheel to counter oversteer, and to the inner wheel to counter understeer.
The ESP system is made up of various components, including wheel speed sensors, a hydraulic control unit, a steering angle sensor and an ESP warning light on your car’s dashboard. The ESP warning light is your car’s way of telling you something is wrong with the stability system.
What can cause the ESP to malfunction?
An ESP malfunction can be attributed to several causes. When your ESP warning light illuminates, it could be due to any of the following reasons:
It's important to note that the presence of the ESP light does not necessarily mean there's a problem with the ESP system itself. It could be a sign of other issues in the car that are affecting the ESP's operation.
What to do when the ESP warning light turns on
The ESP warning light indicates that an issue that needs attention. Here’s what you should do:
Can an ESP warning light fail an MOT?
Yes, your car will fail an MOT if the ESP light is on.
Electronic Stability Control (ESP) is an important safety feature that helps to prevent your car from skidding or losing control. If the ESP light is on, it means that there is a problem with the system and it may not be working properly. This could make your car more dangerous to drive, so it will fail the MOT.
Here are some tips to help you avoid failing your MOT due to an ESP light:
In conclusion, the ESP warning light is an integral part of your vehicle's safety system. While it's not a cause for panic, it should never be ignored. Familiarising yourself with what causes an ESP malfunction and how to respond when the warning light turns on is essential for maintaining your vehicle and ensuring your safety on the road.
Remember that regular maintenance and checks can help prevent such issues from cropping up, and ensure that your vehicle's ESP system is in good working condition.