Think about yourself driving quietly on board your Volkswagen Polo and abruptly an engine signal appears on your dashboard ! The most common kind of response is the worry of risking a serious issue. To know what exactly this light corresponds to, you will have to learn how to read an Volkswagen Polo fault codes, you may have already heard about OBD system, this is exactly what we are going to focus on. Our editors have decided to produce this document to enable you fairly quickly discover the source of this default code and to give you peace of mind. To get this done, we will first take a look at the nature of a fault code on Volkswagen Polo, then how to read an Volkswagen Polo 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 Volkswagen Polo fault code?

A fault code is a universal or standard code which is identical to all manufacturers , they are also named DTC (Data Trouble Code), the objective is to be sure that any diagnostic OBD can translate them. They will be represented by a standard format, like for example: P0255. Each data will have a particular meaning. Default codes are codes issued by the calculators of your Volkswagen Polo. These ECUs will continuously monitor your vehicle’s emissions, pressures, mixtures and when the values exceed the limits set by the vehicle’s ECU, the fault code will appear. The advantage of knowing how to read a fault code on your Volkswagen Polo is that you will have access to specific statistics about your automobile which will enable you to understand what problem you are struggling with.

How to read a fault code on my Volkswagen Polo?

In this second section we will now focus specifically on what brings you on this website, how to read a fault code on Volkswagen Polo. To discover this valued data you will need to to purchase a diagnostic tool, also named OBD 2, named after the socket on your Volkswagen Polo to which you will have to connect. These diagnostic tools are easily available to buy, 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 obtained an OBD2 diagnostic reader, you will have to find the diagnostic plug on your Volkswagen Polo, 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 Volkswagen Polo.

How to erase the fault code Volkswagen Polo

Finally, to finish this article content, we are going to describe you the process to carry out to erase a fault code on your Volkswagen Polo. Once you have navigated through the menus, you will access the list of active fault codes on your car. However, you will have to ask yourself an important question, is it really beneficial to erase this fault code on Volkswagen Polo? Absolutely, erasing a fault code without fixing the issue corresponds to closing its eyes to the fact. In addition, the computer of your Volkswagen Polo is made to take resolutions depending to the data it records, if a crucial fault code is on, it will actually adapt the engine overall performance to preserve it. So if you get rid of the fault code, remember to solve the problem 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 Volkswagen Polo.

If you want more tutorials on the Volkswagen Polo, go to our Volkswagen Polo category.