Keeping an eye on your car is vital in these days, in fact, if you do not do the minimum maintenance of it, or if you do not take into account signals of abnormality, you strongly risk to observe your car getting in bad conditions. This is precisely the subject we are gonna discuss today, one of the signs that most perturbs drivers is the ABS warning light on Hyundai Sonata. In an attempt to help you analyze this warning light, we will first look at what this ABS warning light corresponds to, then in a second what to do if the ABS light is on Hyundai Sonata?.

abs-light-stays-on-hyundai-sonata

What does the ABS light on Hyundai Sonata indicate?

We will begin our content page with the definition of an ABS warning light on Hyundai Sonata, for this, in first, we will discover what an ABS is, and next, why the ABS light on your car lights up.

What is the ABS on Hyundai Sonata?

To begin with, it is vital to describe to you what the ABS of your Hyundai Sonata is used for so that you can understand the remaining of this guideline. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The objective of this system is to optimize the braking distance of a car by preventing the wheels from locking, sliding on the road and you losing control of your car. The ABS system of your Hyundai Sonata is consisting of different elements, here they are:

  • Speed sensors on each wheel, which will analyze if one of the wheels locks up.
  • A hydraulic system and valves that will control the pressure of the pads on the discs to control the braking power of the car
  • A computer that is the control center of your entire ABS system as well as the ABS light of your Hyundai Sonata

.
In reality, you can quite easily come to feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is precisely the behaviour that ABS permits, it will optimise braking to the maximum by associating the phases of pressure on the brake discs and the phases of discharge to prevent the wheels from locking up.

Meaning of an ABS light on Hyundai Sonata

Now we proceed to the section that you are probably more interested in, meaning of an ABS warning light on a Hyundai Sonata? Firstly, it is an orange light, so if it is on it shows that your ABS system is defective. You should be aware that as soon as the ABS warning light is on, the ABS will be put into safety mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Hyundai Sonata can signal:

  • It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A malfunction of one of them causes the ABS light on your Hyundai Sonata to turn on
  • The ABS hydraulic block of your Hyundai Sonata: If it is defective it is possible that the indicator light will occur and you will no longer be able to use your ABS.
  • The ABS computer: If the computer has a problem, being the center of all decisions made to manage your ABS, the light will obviously turn on.

What if the ABS light comes on on my Hyundai Sonata?

We will now proceed to the section where we will try to give you some solutions to turn off this light, and thus answer the following question, what to do if the ABS light is on on my Hyundai Sonata?. The solutions will depend on the failure you are enduring. Firstly, pass your Hyundai Sonata to the diagnostic tool, if you don’t know how to read a fault code on Hyundai Sonata, don’t be reluctant to examine our guideline which explains the steps to take. Once you have uncovered the cause of your issue, here are the steps to take to solve it and turn off the ABS light on your Hyundai Sonata:

  • Issue of the ECU or the hydraulic block: It can only be altered, and in this case, you will have to go through a professional, but if it’s dead, it could cost you around 1000€ to replace the ECU and 1500 to 2000€ if you have to replace both of them.
  • Electrical issue: Once you’ve identified an electrical issue with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, in any other case you’ll have to repair the wiring harness.
  • A defective sensor: In some cases a simple cleaning of the sensors will be enough to remedy the issue, in any other case changing a sensor can cost up to a few hundred euros.

If you need more guides on the Hyundai Sonata, go to our Hyundai Sonata category.