What Is An OBD2 Scanner?


Cars are not only vehicles that can take you where you desire to go, but they’re also considered as computers on four wheels.

The OBD2 is a system required to be incorporated in all car models.

Today, all cars have this system in them. It has lots of functions, and it allows you to know the general state of your car by using an OBD2 scanner.

An OBD2 scanner allows you or your mechanic to access vehicle data. The device is often small enough to fit in your hand. Once connected to your car, it can show you essential information, such as:

  • Your vehicle’s VIN number
  • You car’s speed, fuel efficiency, and engine RPM
  • Generic and manufacturer-specific diagnostic codes

It can also give you more insight into what problem is causing your check engine light. It’s also a useful diagnostic tool for monitoring your engine’s performance in real time. You may even be able to customize your car’s settings, features, and performance with the right hardware and software. 

How Do You Choose?

Know What Information You Want To Get.

The basic scan tools are often characterized by limited functionality. For instance, if the ABS light in your vehicle is on, getting the cheapest diagnostic reader that covers only the generic functions, like emissions testing, isn’t going to help at all.

I am not saying that basic code readers are not helpsful. It's is an effective tool and a possible life saver, but don't expect all the advanced functions and features. However, if you only need to clear a Check Engine light, a basic one would meet your need. However, if you need advanced features, you need to pay more.

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