Think about yourself driving quietly aboard your Audi S3 and abruptly an engine light shows up on your dashboard ! The most common kind of reaction is the fear of risking a major issue. To know what exactly this light refers to, you will have to learn how to read an Audi S3 fault codes, you may have already heard about OBD system, this is precisely what we are going to talk about. Our editors have decided to produce this content to help you fairly quickly find the origin of this default code and to give you serenity. To get this done, we will first take a look at the nature of a fault code on Audi S3, then how to read an Audi S3 fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.

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What is a Audi S3 fault code?

A fault code is a generic or standard code common to all manufacturers , they are also known as DTC (Data Trouble Code), the objective is to be sure that any diagnostic OBD can interpret them. They will be symbolized by a standard format, like for example: P0255. Each info will have a special explanation. Default codes are codes issued by the calculators of your Audi S3. These ECUs will continuously monitor your vehicle’s exhausts, pressures, mixtures and when the values exceed the limits set by the vehicle’s ECU, the fault code will emerge. The advantage of knowing how to read a fault code on your Audi S3 is that you will have gain access to to precise statistics about your vehicle which will let you to discover what trouble you are standing in front of.

How to read a fault code on my Audi S3?

In this second section we will now focus specifically on what brings you on this website, how to read a fault code on Audi S3. To gain access to this useful info you will need to to purchase a diagnostic tool, also named OBD 2, named after the socket on your Audi S3 to which you will have to connect. These diagnostic tools are freely available in the market, you will be able to find some in Bluetooth version which connects to your phone and some standard versions with a reader associated to the socket, as far as price is concerned, you will be able to find models between 30 and 100 euros. Once you have acquired an OBD2 diagnostic reader, you will need to find the diagnostic plug on your Audi S3, it is based on the left side of your steering column on the lower part of your dashboard, behind a hatch. It is easy to locate because it is triangular shaped and has 16 pins. All you have to do is connect with your diagnostic tool to read the fault code of your Audi S3.

How to erase the fault code Audi S3

Finally, to conclude this article content, we are going to demonstrate you the methode to do to erase a fault code on your Audi S3. Once you have navigated through the menus, you will access the list of active fault codes on your car. Nevertheless, you will have to ask yourself an essential question, is it really good to erase this fault code on Audi S3? In fact, erasing a fault code without dealing with the issue corresponds to closing its eyes to the fact. In addition, the computer of your Audi S3 is made to take decisions according to the data it records, if an essential fault code is on, it will possibly modify the engine overall performance to preserve it. So if you get rid of the fault code, remember to resolve the issue to which it is associated. Some OBD diagnostic tools do not allow you to do this. You have a dedicated navigation menu on most diagnostic tools that should allow you to clear this fault code on Audi S3.

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