Imagine yourself driving peacefully on board your Volkswagen Jetta and suddenly an engine signal appears on your dashboard ! The most frequent reaction is the worry of risking a severe trouble. To know what exactly this light refers to, you will have to learn how to read an Volkswagen Jetta fault codes, you may have previously heard of OBD system, this is precisely what we are going to talk about. Our editors have decided to publish this article to enable you quickly find the origin of this default code and to give you serenity. To perform this, we will first look at the nature of a fault code on Volkswagen Jetta, then how to read an Volkswagen Jetta 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 Jetta fault code?

A fault code is a generic or standard code common to all manufacturers , they are also named DTC (Data Trouble Code), the goal is to be sure that any diagnostic OBD can interpret them. They will be symbolized by a standard format, such as example: P0255. Each info will have a precise interpretation. Default codes are codes issued by the calculators of your Volkswagen Jetta. 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 show up. The advantage of knowing how to read a fault code on your Volkswagen Jetta is that you will have be able to access to precise info about your automobile which will let you to find out what trouble you are standing in front of.

How to read a fault code on my Volkswagen Jetta?

In this second section we will now focus specifically on what brings you in this article, how to read a fault code on Volkswagen Jetta. To gain access to this valued info you will need to to buy a diagnostic tool, also named OBD 2, named after the socket on your Volkswagen Jetta to which you will have to connect. These diagnostic tools are easily available for purchase, 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 bought an OBD2 diagnostic reader, you will have to situate the diagnostic plug on your Volkswagen Jetta, 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 Jetta.

How to erase the fault code Volkswagen Jetta

Finally, to conclude this article, we are going to explain you the manipulation to do to erase a fault code on your Volkswagen Jetta. 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 productive to erase this fault code on Volkswagen Jetta? In fact, erasing a fault code without fixing the trouble is like closing its eyes to the fact. Moreover, the computer of your Volkswagen Jetta is made to take resolutions depending to the data it records, if an important fault code is on, it will possibly adapt the engine overall performance to preserve it. So if you erase the fault code, make sure to solve 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 Volkswagen Jetta.

To find more tips on the Volkswagen Jetta, take a look at the Volkswagen Jetta category.