Imagine yourself driving quietly on board your Audi A5 and abruptly an engine signal appears on your dashboard ! The most frequent kind of response is worries of risking a critical trouble. To know what exactly this light corresponds to, you will have to learn how to read an Audi A5 fault codes, you may have previously heard of OBD system, this is exactly what we are going to focus on. Our writers have chosen to publish this article to help you fairly quickly discover the source of this default code and to give you reassurance. To get this done, we will first look at the nature of a fault code on Audi A5, then how to read an Audi A5 fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.
What is a Audi A5 fault code?
A fault code is a universal or standard code which is identical to all automotive companies , they are also known as DTC (Data Trouble Code), the point is to be sure that any diagnostic OBD can understand them. They will be represented by a standard format, like for example: P0255. Each data will have a precise interpretation. Default codes are codes issued by the calculators of your Audi A5. 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 show up. The advantage of understanding how to read a fault code on your Audi A5 is that you will have access to complete info about your car which will enable you to discover what issue you are standing in front of.
How to read a fault code on my Audi A5?
In this second part we will now focus specifically on what brings you in this article, how to read a fault code on Audi A5. To discover this valuable data you will need to to get a diagnostic tool, also called OBD 2, named after the socket on your Audi A5 to which you will have to connect. These diagnostic tools are easily 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 purchased an OBD2 diagnostic reader, you will need to identify the diagnostic plug on your Audi A5, it is found 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 A5.
How to erase the fault code Audi A5
Finally, to conclude this article, we are going to demonstrate you the methode to execute to erase a fault code on your Audi A5. 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 important question, is it really productive to erase this fault code on Audi A5? Absolutely, erasing a fault code without dealing with the trouble is like closing its eyes to the fact. Additionally, the computer of your Audi A5 is made to take decisions according to the data it records, if a crucial fault code is present, it will actually adjust the engine operation to preserve it. So if you get rid of the fault code, be sure you resolve the issue to which it is linked. 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 A5.
If you need more guides on the Audi A5, go to our Audi A5 category.
