Think about yourself driving peacefully on board your Toyota Highlander and suddenly an engine light appears on your dashboard ! The most frequent kind of reaction is the fear of risking a serious issue. To know what exactly this light refers to, you will have to learn how to read an Toyota Highlander 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 piece of content to help you fairly quickly discover the source of this default code and to give you reassurance. To perform this, we will first check out the nature of a fault code on Toyota Highlander, then how to read an Toyota Highlander 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 Toyota Highlander fault code?

A fault code is a universal or standard code which is identical to all manufacturers , they are also identified as DTC (Data Trouble Code), the goal is to be sure that any diagnostic OBD can read them. They will be represented by a standard format, like for example: P0255. Each data will have a particular interpretation. Default codes are codes issued by the calculators of your Toyota Highlander. These ECUs will continuously 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 benefit of understanding how to read a fault code on your Toyota Highlander is that you will have access to precise data about your vehicle which will enable you to find out what problem you are facing.

How to read a fault code on my Toyota Highlander?

In this second part we will now focus specifically on what brings you on the website, how to read a fault code on Toyota Highlander. To discover this useful data you will need to to get a diagnostic tool, also called OBD 2, named after the socket on your Toyota Highlander 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 bought an OBD2 diagnostic reader, you will need to discover the diagnostic plug on your Toyota Highlander, 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 Toyota Highlander.

How to erase the fault code Toyota Highlander

Finally, to conclude this article content, we are going to describe you the process to do to erase a fault code on your Toyota Highlander. 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 advantageous to erase this fault code on Toyota Highlander? Indeed, erasing a fault code without fixing the issue corresponds to closing its eyes to the fact. Additionally, the computer of your Toyota Highlander is made to take resolutions depending to the data it collects, if a very important fault code is on, it will possibly adjust the engine operation to protect it. So if you get rid of the fault code, make sure to resolve the issue 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 Toyota Highlander.

To discover more tips on the Toyota Highlander, take a look at the Toyota Highlander category.