Best Auto Code Reader

Innova Car Scan Pro

Autel AutoLink AL539

Having a reliable auto code reader available in your day to day drives will help you fix some of the most common car issues. For example, what if the engine light suddenly comes on and you have no idea why? With a good scanner, it would give you not only the reason but the solution as well. There are numerous scanners to choose from currently on the market. This may make the selection process complicated for some people since you might feel overwhelmed by all the choices and which one is what. With this article, we’ll help you to narrow it down to your needs. Here are some of the best code readers on the market.

1. Innova Car Scan Pro

This scanner is ranked among the best in the market. This is because it provides you with a broader range of diagnostic reports on the various challenges your vehicle might be facing. The screen on the scanner is well-lit to make it easy on the eyes. It also ensures a broader range of data can be displayed for your viewing purposes. 

The scanner can carry out a wide range of functions, including evaluating fault codes, relaying live data, and conducting pre-inspection checks on the vehicle. It even has LED lights that help to easily identify whether your car passes the test and, if it fails, why that happened. The scanner also comes with a free app that can be downloaded onto any device, which allows you to connect it to Bluetooth. 

With a bigger screen, you can make better data evaluations and get more results from conducting the tests. One additional feature that sets it apart is that it gives you possible suggestions on the errors you’ll encounter. 

It even guides you through performing some of these fixes. The scanner also has some of the highest key interfaces available that make the navigation process seamless. This one is compatible with a wide range of vehicle models, allowing more people to enjoy its services.


  • The scanner allows you to connect it to your preferred device through Bluetooth. You can save results from the scans and evaluate them better on a bigger screen.
  • The manufacturer makes regular updates to the system, thus ensuring you get accurate results with every scan.
  • It gives you repair suggestions, saving you money on trips to the mechanic
  • It also performs the scans fast, allowing you to use as little of your time as possible.


  • The cable is said to be on the short side. This makes it difficult to connect using it.

2. Ancel BD310

This handheld scanner offers some of the highest performance on the market with convenience. It comes with a clear LCD that allows you to monitor scan results and toggle through the various functions it has to offer. This is further made better by connecting to other devices such as smartphones and tablets through Bluetooth. This gives you an even bigger screen, allowing you to monitor the results better. The scanner is small in size and also light. 

This ensures you can easily move it from one vehicle to another when conducting multiple scans. It also makes it easy to store the scanner. The scanner performs a wide range of functions, from the basic ones to complex. This makes it fit for both beginners and professionals. 

These include engine temperature, coolant temperature, and engine speed. The results are presented in a graphic form, making them easy to read and understand. This particular scanner comes with a long cable that lets you conduct the scans from a convenient distance. 

You can also leave it in while you drive for live scans. The scanner also connects fast and delivers quick results as well. This guarantees that you stay ahead of your vehicle's happenings, saving you huge expenses in the future.


  • The device is light, which allows you to move it from one station to another. It can also be handheld, adding to its overall portability.
  • The scanner comes with the ability to connect through a wire or perform wireless scans. This makes it convenient for any situation you might find yourself in.
  • It has numerous functions that ensure you get the most accurate results from all the scans performed. This makes it very reliable.
  • This scanner receives regular updates from the manufacturer, so it’s always to keep up with the competitors.
  • It supports a wide range of vehicle models, making it very convenient for anyone who performs frequent scans, like certain professionals.


  • The display on the scanner is relatively small. This forces you to connect to a secondary screen for better visibility of the scan results.

3. Autel AutoLink AL539

This scanner comes from one of the leading brands, and with the backing of such a strong name, the scanner delivers spectacularly. It contains some of the features most scanners don't. These include the ability to check for any electrical connections and detect burnt cables in your car. It has a multimeter, and all you have to do is connect it and initiate the scan. 

The scanner comes with a lithium-ion battery that enables it to perform multiple tests without the concern of running out of power. This makes it very reliable to have. The tool can be used to run various specialized tests, such as pre-inspection readiness. It also gives live data on many of the car's features, such as the engine speed, coolant temperatures, and many more. 

It also has different LED lights that blink depending on the severity of the scan results. This makes the analysis process easier and faster. The scanner is light in weight, which allows you to use it with only one hand. This makes it easy to move from one vehicle to another, especially for professionals. 

It also has a small screen that allows you to preview data as it comes in. This screen has user-friendly features that make the scanning process easier by guiding you through it. The connection and subsequent relaying of the results are fast, ensuring you’re always up to date with what’s going on in your car.


  • It has user-friendly features that make the scanning process simple, even for beginners.
  • The scanner has an electrical multimeter that monitors the electrical performance of your vehicle. It detects faulty cables, making sure you know to replace them immediately.
  • The tool has numerous functions that make it reliable for a wide range of users.
  • It is small and compact, allowing for easy moving from one place to another. This makes it a convenient scanner to have.


  • The battery on the scanner drains relatively fast. You will have to charge it regularly.

4. ThinkOBD 100

This is a small and compact scanner that is well on its way to the top. It’s portable to allow for easier movement from one place to another. It’s also easy to store. This scanner is perfect for running pre-inspection tests and a fast diagnosis when the engine light comes on unexpectedly. 

The scanner receives regular updates from the manufacturer, ensuring you get accurate scan results every time you use it. The display is user friendly, too, as all the diagnosis buttons are visible. This makes it usable by a broader range of people, including newbies. All you have to do is connect, and it does the rest. You also get your scan results in the shortest time possible, with the device having multiple functions. 

These include showing live car data that allows you to stay ahead of your car's health. It also checks for engine speed and temperature, among many other things. . Once connected to a compatible vehicle, it boots, and then the scanning process begins. This scanner is compatible with a wide range of cars, ensuring more people can access its great features.


  • It has a user-friendly display that enables you to toggle through the various functions available with ease.
  • It's also quick to perform scans, as all you have to do is connect the device and do all the rest
  • The scanner is small and light, which ensures more effortless movement and convenient storage.
  • The scanner is compatible with a wide range of vehicle models. This allows more people to access it and benefit from its numerous functions.
  • It can relay live data, enabling you to stay ahead of any happenings in your vehicle.


  • The display is tiny. This makes it challenging to view results from the scan.

5. Jet has OBD2 Scanner

What sets this scanner apart is its ease to use with any car model. It comes with a straight forward connection manual that guides you through the entire process. It has an LED light that lights up the different parts currently under-diagnosis, making sure you’re aware of the entire process. This makes it convenient to use, even for beginners. 

The device is also light to ensure you can move from one vehicle to another while performing diagnostics. It comes enclosed in rubber, thus making it durable and able to withstand shortfalls. It also has a screen that displays results from every scan performed. The scanner has a wide range of functions, such as checking engine speed, temperature, and many other features. 

The results are presented in a user-friendly manner that ensures you understand them the whole way. It also allows you to connect various devices through Bluetooth. This allows you to get bigger displays and can store your data for future reference. 

Immediately after connecting your device to the scanner, you receive live performance data at the moment. It can also read and clear codes easily. The scanner is reliable for long-term use and is certain to give you some of the best results


  • User-friendly interface that allows everyone, including beginners, to perform the searches easily.
  • It has LED lights that will notify you of the scan results, making the analysis process much more straightforward.
  • It may be connected to various devices through Bluetooth, allowing you to get a more prominent display and store your scan data.
  • It’s compatible with many different apps. This gives you more options to choose from, depending on which one works best for you.
  • It performs a wide range of functions, making it a reliable tool overall.
  • It gives you live updates on what goes on in your car so that any malfunctions can be detected early on rather than later.


  • It doesn’t have an app directly from the manufacturer. This makes it more challenging to install updates.

6. Topdon ArtiLink 500

This scanner is among the new ones in town but packs numerous features. One of its most notable is the size. It is big and has a long cable that allows for easy connectivity and use. This scanner receives regular updates from the manufacturer, which are simple to install. 

The scanner performs not only fast searches but also gives detailed explanations of the findings. This means you can easily understand the various codes. It also allows you to save scan results for future reference. 

It shows live data, ensuring you remain ahead of any problems in your vehicle. The scanning process is straightforward, too, as all you have to do is connect it, and the tool immediately starts performing all the necessary tests. It gives you solutions to the various problems you might encounter, thus making it convenient to use.


  • It has a long cable that allows for easy connectivity. You can run tests from a distance conveniently.
  • It provides a wide range of features that makes it reliable for everyday scans.
  • It has a widescreen that allows for better viewing of the diagnosis results.
  • The device is compatible with the majority of vehicle models, which makes it rather versatile.
  • The scanner's user interface makes the results easy to understand, and the navigation is very straightforward.


  • This scanner is quite heavy. As a result, that makes it hard to move from one location to another when performing multiple tests.


Selecting the best code reader can be an uphill task, especially for beginners. The process, however, becomes much simpler when you know exactly what you want from the tool. By considering the various purposes you intend to use your device for, it should be much easier to make the best decision for you. These are some of the best code readers on the market, all of which have high-level functionality. Our article should narrow your search down to only the best of the best for your personal or professional use.