Think about yourself driving peacefully on board your Subaru Legacy and abruptly an engine light shows up on your dashboard ! The most common kind of response is worries of risking a severe issue. To know what exactly this light corresponds to, you will have to learn how to read an Subaru Legacy fault codes, you may have previously heard of OBD system, this is exactly what we are going to speak about. Our editors have chosen to compose this article to enable you quickly discover the source of this default code and to give you peace of mind. To achieve this, we will first look at the nature of a fault code on Subaru Legacy, then how to read an Subaru Legacy fault code, and finally how to erase this fault code in order to turn off the light on your dashboard.


What is a Subaru Legacy fault code?

A fault code is a generic or standard code common to all manufacturers , they are also identified as DTC (Data Trouble Code), the objective is to guarantee that any diagnostic OBD can translate 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 Subaru Legacy. 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 benefit of understanding how to read a fault code on your Subaru Legacy is that you will have gain access to to precise data about your motor vehicle which will allow you to figure out what trouble you are struggling with.

How to read a fault code on my Subaru Legacy?

In this second part we will now focus specifically on what brings you on this site, how to read a fault code on Subaru Legacy. To gain access to this useful info you will need to to buy a diagnostic tool, also known as OBD 2, named after the socket on your Subaru Legacy to which you will have to connect. These diagnostic tools are easily obtainable, 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 need to situate the diagnostic plug on your Subaru Legacy, it is located 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 Subaru Legacy.

How to erase the fault code Subaru Legacy

Finally, to finish this article content, we are going to explain you the manipulation to execute to erase a fault code on your Subaru Legacy. 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 productive to erase this fault code on Subaru Legacy? In fact, erasing a fault code without resolving the issue corresponds to burying its head in the sand. Furthermore, the computer of your Subaru Legacy is made to take decisions according to the data it records, if a vital fault code is on, it will possibly adjust the engine general performance to protect it. So if you get rid of the fault code, make sure 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 Subaru Legacy.

If you want more guides on the Subaru Legacy, go to our Subaru Legacy category.