Think about yourself driving peacefully aboard your Mercedes Classe A 3 and all of a sudden an engine warning light shows up on your dashboard ! The most frequent kind of reaction is the fear of risking a serious problem. To know what accurately this light refers to, you will have to learn how to read an Mercedes Classe A 3 fault codes, you may have previously heard about OBD system, this is exactly what we are going to take a look at. Our editors have decided to publish this document to help you quickly discover the origin of this default code and to give you serenity. To achieve this, we will first take a look at the nature of a fault code on Mercedes Classe A 3, then how to read an Mercedes Classe A 3 fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.
What is a Mercedes Classe A 3 fault code?
A fault code is a generic or standard code which is identical to all automotive companies , they are also identified as DTC (Data Trouble Code), the goal is to be sure that any diagnostic OBD can understand them. They will be represented by a standard format, such as example: P0255. Each data will have a special explanation. Default codes are codes issued by the calculators of your Mercedes Classe A 3. These ECUs will constantly monitor your vehicle’s emissions, 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 Mercedes Classe A 3 is that you will have be able to access to precise info about your automobile which will allow you to understand what problem you are standing in front of.
How to read a fault code on my Mercedes Classe A 3?
In this second part we will now focus specifically on what brings you on this site, how to read a fault code on Mercedes Classe A 3. To gain access to this valuable data you will need to to purchase a diagnostic tool, also referred to as OBD 2, named after the socket on your Mercedes Classe A 3 to which you will have to connect. These diagnostic tools are easily 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 obtained an OBD2 diagnostic reader, you will have to locate the diagnostic plug on your Mercedes Classe A 3, 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 Mercedes Classe A 3.
How to erase the fault code Mercedes Classe A 3
Finally, to finish this document, we are going to explain you the process to accomplish to erase a fault code on your Mercedes Classe A 3. 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 essential question, is it really good to erase this fault code on Mercedes Classe A 3? Indeed, erasing a fault code without fixing the problem corresponds to closing its eyes to the fact. Furthermore, the computer of your Mercedes Classe A 3 is made to take decisions depending to the data it collects, if an important fault code is on, it will likely adjust the engine performance to protect it. So if you get rid of the fault code, be sure you solve the problem to which it is linked. 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 Mercedes Classe A 3.
If perhaps you have any additional questions about the Mercedes Classe A 3, do not hesitate to consult our Mercedes Classe A 3 category.
