Imagine yourself driving calmly aboard your Volkswagen Polo 4 and all of a sudden an engine warning light appears on your dashboard ! The most frequent kind of reaction is worries of risking a serious issue. To know what precisely this light corresponds to, you will have to learn how to read an Volkswagen Polo 4 fault codes, you may have already heard about OBD system, this is precisely what we are going to discuss. Our editors have chosen to compose this piece of content to help you 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 Volkswagen Polo 4, then how to read an Volkswagen Polo 4 fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.
What is a Volkswagen Polo 4 fault code?
A fault code is a generic or standard code which is identical to all manufacturers , they are also identified as DTC (Data Trouble Code), the purpose is to guarantee that any diagnostic OBD can understand them. They will be represented by a standard format, like for example: P0255. Each data will have a particular interpretation. Default codes are codes issued by the calculators of your Volkswagen Polo 4. 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 emerge. The advantage of knowing how to read a fault code on your Volkswagen Polo 4 is that you will have access to specific info about your motor vehicle which will allow you to understand what trouble you are facing.
How to read a fault code on my Volkswagen Polo 4?
In this second part we will now focus precisely on what brings you in this article, how to read a fault code on Volkswagen Polo 4. To access this valuable data you will need to to purchase a diagnostic tool, also named OBD 2, named after the socket on your Volkswagen Polo 4 to which you will have to connect. These diagnostic tools are freely available, 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 have to find the diagnostic plug on your Volkswagen Polo 4, 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 4.
How to erase the fault code Volkswagen Polo 4
Finally, to conclude this content page, we are going to explain you the manipulation to carry out to erase a fault code on your Volkswagen Polo 4. 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 essential question, is it really good to erase this fault code on Volkswagen Polo 4? In fact, erasing a fault code without resolving the issue corresponds to closing its eyes to the fact. In addition, the computer of your Volkswagen Polo 4 is made to take resolutions according to the data it collects, if a vital fault code is present, it will actually adjust the engine comportment to preserve it. So if you delete the fault code, be sure you fix the problem to which it is connected. 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 4.
If you need more guides on the Volkswagen Polo 4, go to our Volkswagen Polo 4 category.
