Think about yourself driving quietly aboard your Alfa Romeo 159 and abruptly an engine warning light shows up on your dashboard ! The most common kind of response is the fear of risking a critical trouble. To know what accurately this light corresponds to, you will have to learn how to read an Alfa Romeo 159 fault codes, you may have already heard of OBD system, this is exactly what we are going to speak about. Our editors have decided to publish this content page to help you fairly quickly discover the origin of this default code and to give you reassurance. To get this done, we will first take a look at the nature of a fault code on Alfa Romeo 159, then how to read an Alfa Romeo 159 fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.

read-fault-codealfa-romeo-159

What is a Alfa Romeo 159 fault code?

A fault code is a generic or standard code which is identical to all automotive companies , they are also named DTC (Data Trouble Code), the objective is to ensure that any diagnostic OBD can read them. They will be represented by a standard format, such as example: P0255. Each info will have a particular interpretation. Default codes are codes issued by the calculators of your Alfa Romeo 159. 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 benefit of knowing how to read a fault code on your Alfa Romeo 159 is that you will have access to complete data about your car which will enable you to understand what trouble you are facing.

How to read a fault code on my Alfa Romeo 159?

In this second part we will now focus specifically on what brings you in this article, how to read a fault code on Alfa Romeo 159. To gain access to this valuable info you will need to to buy a diagnostic tool, also named OBD 2, named after the socket on your Alfa Romeo 159 to which you will have to connect. These diagnostic tools are easily available in the market, 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 need to find the diagnostic plug on your Alfa Romeo 159, it is found 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 Alfa Romeo 159.

How to erase the fault code Alfa Romeo 159

Finally, to conclude this content page, we are going to describe you the manipulation to perform to erase a fault code on your Alfa Romeo 159. Once you have navigated through the menus, you will access the list of active fault codes on your car. Nevertheless, you will have to ask yourself an essential question, is it really useful to erase this fault code on Alfa Romeo 159? Absolutely, erasing a fault code without dealing with the trouble is like closing its eyes to the fact. In addition, the computer of your Alfa Romeo 159 is made to take resolutions depending to the data it records, if an essential fault code is present, it will possibly modify the engine performance to protect it. So if you delete the fault code, be sure you solve the problem 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 Alfa Romeo 159.

If you need more guides on the Alfa Romeo 159, go to our Alfa Romeo 159 category.