Think about yourself driving quietly on board your Volkswagen Passat 7 and all of a sudden an engine signal shows up on your dashboard ! The typically seen kind of response is worries of risking a severe problem. To know what precisely this light corresponds to, you will have to learn how to read an Volkswagen Passat 7 fault codes, you may have already heard of OBD system, this is exactly what we are going to discuss. Our editors have chosen to compose this piece of content to enable you fairly quickly find 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 Passat 7, then how to read an Volkswagen Passat 7 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 Passat 7 fault code?

A fault code is a universal or standard code common to all automotive companies , they are also known as DTC (Data Trouble Code), the purpose is to ensure that any diagnostic OBD can interpret them. They will be represented by a standard format, such as example: P0255. Each info will have a special meaning. Default codes are codes issued by the calculators of your Volkswagen Passat 7. These ECUs will constantly 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 Volkswagen Passat 7 is that you will have gain access to to precise data about your car which will allow you to understand what problem you are struggling with.

How to read a fault code on my Volkswagen Passat 7?

In this second part we will now focus specifically on what brings you on the website, how to read a fault code on Volkswagen Passat 7. To discover this valuable info you will need to to purchase a diagnostic tool, also known as OBD 2, named after the socket on your Volkswagen Passat 7 to which you will have to connect. These diagnostic tools are freely 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 purchased an OBD2 diagnostic reader, you will have to locate the diagnostic plug on your Volkswagen Passat 7, it is established 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 Passat 7.

How to erase the fault code Volkswagen Passat 7

Finally, to finish this article, we are going to describe you the manipulation to perform to erase a fault code on your Volkswagen Passat 7. Once you have navigated through the menus, you will access the list of active fault codes on your car. But, you will have to ask yourself an important question, is it really useful to erase this fault code on Volkswagen Passat 7? Indeed, erasing a fault code without fixing the problem corresponds to closing its eyes to the fact. Furthermore, the computer of your Volkswagen Passat 7 is made to take decisions depending to the data it records, if a very important fault code is present, it will possibly adapt the engine comportment to protect it. So if you delete the fault code, remember to resolve the issue 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 Passat 7.

In the event that you have any further questions about the Volkswagen Passat 7, do not hesitate to consult our Volkswagen Passat 7 category.