Watching your automobile is vital in these days, in truth, if you do not do the minimum service of it, or if you do not take into account symptoms of abnormality, you strongly risk to observe your car withering away. This is specifically the subject we are going to focus on today, one of the indications that most disturbs motorists is the ABS warning light on Audi S3. 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 Audi S3?.

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What does the ABS light on Audi S3 indicate?

We will begin our content with the meaning of an ABS warning light on Audi S3, for this, in first, we will find out what an ABS is, and later on, why the ABS light on your car lights up.

What is the ABS on Audi S3?

First of all, it is fundamental to explain to you what the ABS of your Audi S3 is utilized for so that you can understand the rest of this article content. The ABS (Anti-lock Braking System) is a device that prevents the wheels of your car from locking during braking. The goal of this system is to optimise 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 Audi S3 is consisting of several parts, 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 manage the pressure of the pads on the discs to manage 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 Audi S3

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

Meaning of an ABS light on Audi S3

Now we proceed to the part that you are probably more curious about, meaning of an ABS warning light on a Audi S3? To begin with, it is an orange light, so if it is on it denotes that your ABS system is defective. You should be knowledgeable that once the ABS warning light is on, the ABS will be put into security mode, so you should adjust your driving and not take any risks. Here are the different problems that the ABS warning light on your Audi S3 can indicate:

  • It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to examine it.
  • A malfunctioning ABS sensor: A breakdown of one of them causes the ABS light on your Audi S3 to come on
  • The ABS hydraulic block of your Audi S3: If it is defective it is possible that the indicator light will come on and you will no longer be able to use your ABS.
  • The ABS computer: If the computer has a trouble, being the center of all decisions made to manage your ABS, the light will undoubtedly come on.

What if the ABS light turns on on my Audi S3?

We will now proceed to the part where we will try to give you some answers to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Audi S3?. The answers will depend on the deficiencies you are experiencing. To begin with, pass your Audi S3 to the diagnostic tool, if you don’t know how to read a fault code on Audi S3, don’t hesitate to examine our article content which details the steps to take. Once you have located the source of your problem, here are the steps to take to resolve it and turn off the ABS light on your Audi S3:

  • Trouble 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 problem: Once you’ve detected an electrical problem 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: Sometimes a simple cleaning of the sensors will be enough to get rid of the problem, in any other case changing a sensor can cost up to a few hundred euros.

If you want more guides on the Audi S3, go to our Audi S3 category.