All you need to know about Code Reader for car

A code reader is a device that you need to plug into car in order to get the issue of the problem your car is facing. The first thing that the code reader does is to read the computer of the car that tells the error codes. There are various types of code reader for cars available in the market. It is not only for cars but for other automobiles like lighter vehicles example trucks, etc. Hence, there are different sizes, shapes, colors and of course functions of the code readers. It is like selecting a mobile phone from the innumerable brands and models that show up when you search for a mobile phone.

However, the basic functions of the code reader is to scan and read the error codes, which then shows up on the small screen. These devices have the ability to clear the error codes too. Another main function is that the device has the ability to put back the check engine light to normal like before it illuminated. However, these are the most basic functionalities of the basic code scanners. There are high end devices/ diagnostic code reader for car that will perform many more functions other than the ordinary device. Hence, it is good to do some research or know more about code reader for cars.


There are basic and high end devices that perform many things differently. Even among the basic the models are different and they perform different functions than another model. You have to read the instruction guide or product manual to fully know what the device has to offer. The high end code reader devices are more expensive but have many more features like DIY instructions for fixing basic issues that more experienced car owners can do on their own. The latest versions of code readers also check for I/M readiness and shows the status. Other enhanced features and functions include scanning and displaying freeze frame as well as live data.

There are later versions of code readers that have limited ability to the Parameters ID ranges. The high  tech code readers will be able to record data. They will be able to re – display the recorded live data also. Recalling the manufacturers codes are also some of the enhanced features of the devices available in the market these days. The good and popular units will also read the pending codes. Moreover, they also have the ability to operate a two – way transmission functionality.

The basic code reader have issues with compatibility of the vehicle model and make. One of the latest features available in the selected advanced devices is the functionality of able to scan the Airbags and anti brake system / ABS systems and also reset them. Hence, customers have to overlook the higher prices and go for the best car code reader that has all the deep diagnosis ability and troubleshooting ability. It is good for your safety, car health, and also saves you cost over a long period of time.