Monitoring your automobile is vital in these days, in reality, 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 see your car getting in bad conditions. This is exactly the topic we are going to talk about today, one of the indications that most disturbs drivers is the ABS warning light on Audi A7. 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 how to proceed if the ABS light is on Audi A7?.

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What does the ABS light on Audi A7 mean?

We will commence our content page with the definition of an ABS warning light on Audi A7, to do this, in first, we will see what an ABS is, and soon after, why the ABS light on your car lights up.

What is the ABS on Audi A7?

To start with, it is important to explain to you what the ABS of your Audi A7 is intended for so that you can understand the remaining 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 aim 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 A7 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 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 A7

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In truth, you can very 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 precisely the behaviour that ABS allows, 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 A7

Now we proceed to the section that you are probably more curious about, meaning of an ABS warning light on a Audi A7? Firstly, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be advised that whenever the ABS warning light is on, the ABS will be put into security mode, so you should modify your driving and not take any risks. Here are the different problems that the ABS warning light on your Audi A7 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 malfunction of one of them causes the ABS light on your Audi A7 to come on
  • The ABS hydraulic block of your Audi A7: 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 unavoidably come on.

What if the ABS light comes on on my Audi A7?

We will now proceed to the section where we will try to give you some answers to shut off this light, and thus answer the following question, what to do if the ABS light is on on my Audi A7?. The answers will might depend on the failures you are enduring. Firstly, pass your Audi A7 to the diagnostic tool, if you don’t know how to read a fault code on Audi A7, don’t hesitate to read our article content which explains the steps to take. Once you have located the source of your issue, here are the steps to take to correct it and turn off the ABS light on your Audi A7:

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

To discover more tips on the Audi A7, take a look at the Audi A7 category.