10 Best OBD2 Scanners (2022 Guide) - Mechanic Base (2022)

When your vehicle needs repairs, no tool is more useful to help you figure out what’s going on than an OBD2 scanner. Because while a check engine light tells you there’s a problem, an OBD2 scanner often tells you exactly what that problem is.

But while the right tool can point you in the right direction and help you fix your vehicle in no time, the wrong one can have you running in circles trying to figure things out. That’s why we took the time to track down the best OBD2 scanner out there.

Whether you’re looking for a simple code reader for your garage or a comprehensive OBD2 scanner that can do it all, we’ve got you covered.

Disclaimer – This article may contain affiliate links, this means that at no cost to you, we may receive a small commission for qualifying purchases.

Top 10 Best OBD2 Scanners

1. BlueDriver Bluetooth – Best OBD2 Scanner Overall

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Key Features:

  • iPhone and Android compatible
  • Live data streams
  • Customizable displays
  • Unlimited vehicle-specific repair reports

In the modern world, there’s no reason for a bulky scan tool that takes up a ton of space in your toolbox. With the BlueDriver Bluetooth Scanner, you get a compact scan tool that works with your mobile device to give you up to the second results.

The entire system is completely wireless, user-friendly, and customizable. Since you’re using your phone, you can easily record and screenshot data which is useful for showing customers to explain the problem or to technicians for some additional advice.

Not only that, but you also get access to tons of vehicle repair reports, and there’s no limit to how many reports you can pull. You don’t’ have to worry about spending more money on updates or support, which is a big deal compared to some of the more expensive options out there.

If you’re an at-home mechanic or an overall novice, these features can be everything you need to prod you in the right direction. Not only do they offer likely solutions, but they also offer links to the parts you’ll need to fix your vehicle.

While this scan tool doesn’t eliminate the need for mechanical know-how, it does an excellent job for novices and those willing to learn while they get their hands dirty.

However, while the entire setup is user-friendly, there isn’t a physical screen. You must pair it up with a mobile device, so if you’re not tech-savvy or don’t have a connected device, this isn’t the OBD2 scan tool for you.

But since most people have a compatible mobile device, this is everything you could ask for and more.


  • Good mix of price and features
  • iPhone/Android compatible
  • Unlimited vehicle repair reports
  • Completely wireless
  • User friendly


  • No physical screen – you must use a phone

2. Autel MaxiCom MK808 – Best Premium Scanner

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Key Features

  • Over 25 service functions
  • Live data streams
  • Provides detailed reports and possible fixes
  • 7-inch LCD screen and 32GB memory
  • Auto VIN technology

Alright, the Autel MaxiCom MK808 isn’t the lowest-priced OBD2 scan tool out there but compared to the premium options Autel offers, it’s a steal.

And for most at-home mechanics, this is more than you’ll ever need. There are over 25 service functions that allow you to complete a wide array of maintenance functions, including key programming, brake bleeding, injector coding, and more.

Even better, this tool does more than just check the OBD2 engine codes. It also checks the SRS, ABS, and transmission systems and breaks everything down for you. The MK808 provides diagnostic reports, live stream data and even suggests repairs.

With the Autel MaxiCom MK808, a novice mechanic looks like a pro, and a pro looks like the best of the best. This device has a 7-inch LCD screen for easy-to-see displays and 32GB of memory for plenty of storage.

It’s lighting fast, and with the Auto VIN technology, you also save time since you don’t have to input each vehicle’s information. Simply hook up the tool, and the scan tool does the rest, inputting all of the vehicle’s information for you.

Not only does this save you time, but it also prevents mistakes from happening, which helps you diagnose and repair your vehicle right the first time.

You can live stream data and save the results for later without ever worrying about running out of space. So, while this might be a more expensive option for an at-home mechanic, it’ll do anything you could ever need, saving you money and keeping you out of the repair shop.

It is definitely the best OBD2 scanner for home usage if you are not afraid of paying a little bit extra.


  • Tons of features and service functions
  • Checks every system
  • Provides diagnostic reports and suggests repairs
  • Works on almost any OBD2 vehicle


  • More expensive option

3. Kasmotion – Best Budget Scanner

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Key Features

  • Read and clear codes
  • Emissions test (computer only)
  • Freeze frame data streams

Just because you don’t want to spend a ton of money on an OBD2 scan tool doesn’t mean you can’t get one that gets the job done. With the Kasmotion OBD2 Scanner, you get a top-notch option that does more than just read codes – and you don’t have to worry about spending a ton.

You can still live stream and freeze frame data streams, which means you get more information about the system you’re trying to fix. While it doesn’t offer playback capabilities, in the world of mobile devices, that’s not as big of a deal as it used to be.

The Kasmotion OBD2 Scanner supports seven different languages, so chances are, no matter what language you speak, this tool works for you. And while it doesn’t have a ton of features or service functions, it can check your vehicle’s emissions system to help you pass local inspections.

(Video) Top 6 Things To Know BEFORE Buying an OBD2 Diagnostic Scan Tool in 2022 & 2023

But keep in mind that this is only a computer check. That means it will read the data from the oxygen sensors and other inputs and let you know if everything looks right. But if those components are giving faulty results, your vehicle might be putting out different emission levels.

Also, this scan tool only reads OBD2 codes. SRS, ABS, and transmission codes are not covered. That might not matter now, but if you get one of these codes down the road, this tool won’t be able to help you out.

Finally, while this tool will give you the engine code and even clear it for you, it doesn’t offer any diagnostic support. You’ll be on your own for researching potential causes and solutions. But at this price, it’s a steal, and it can bail you out of a variety of diagnostic trouble codes.


  • Affordably priced
  • You can freeze frame data streams
  • Checks emissions systems too
  • Supports seven languages


  • Not a ton of features
  • No service functions

4. Actron CP9690 OBD1 & OBD2

Key Features

  • Works with both OBD1 and OBD2 vehicles
  • CodeConnect for databases of reported faults
  • 3.5” color screen
  • Record and view live data

Since OBD2 only entered vehicles in 1996, if you have an older vehicle, then it has OBD1. While OBD1 isn’t nearly as comprehensive as OBD2, it can tell you some important information to help you track down the source of a check engine light.

So, if you own an older vehicle or a repair shop that works on older vehicles, you need something that can read OBD1 codes. With the Actron CP9690, you get a comprehensive OBD1 and OBD2 code reader in a single device.

Keep in mind for OBD1 vehicles, you’re likely getting nothing more than a code, even with a code reader like this. That’s because OBD1 was manufacturer-specific, and getting a scan tool that works with all of them while providing comprehensive diagnostic and troubleshooting tools is near impossible.

However, for OBD2 and select OBD1 vehicles, this scan tool allows you to view and record live streaming data and diagnose ABS and SRS codes. It presents all of this data on a small but crisp and color 3.5” display to help you interpret data.

Also, this scan tool only works with Ford, GM, Chrysler, and Toyota OBD1 vehicles. Once again, this is because OBD1 was manufacturer-specific, so tracking down the coding used for each smaller vehicle manufacturer isn’t easy.

If you do need an OBD1 code reader for a smaller vehicle manufacturer, it’s best to track down a product that specific manufacturer produces.

Finally, this scan tool doesn’t offer service functions, although it does have CodeConnect that gives you access to databases of confirmed fixes for your specific code and vehicle.


  • Provides diagnostic troubleshooting suggestions
  • Provides ABS and airbag codes too
  • Provides and records live data streams
  • 3.5” color display


  • Only works with Ford, GM, Chrysler, and Toyota OBD1 vehicles
  • Does not have service functions

5. MOTOPOWER MP69033 OBD2 Scanner

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Key Features

  • Easily read and erase codes
  • View freeze-framed data
  • Checks the emissions system (computer only)
  • DTC lookup

If all you need is a scan tool to give you the code and you can handle the rest, then the MOTOPOWER MP69033 is an excellent choice. It can read and erase codes and even allows you to view and freeze frame data streams.

For those that just want the DTCs, this OBD2 scanner does that and provides you with a short DTC lookup. While this is a far cry from a full diagnostic troubleshooter and doesn’t make repair suggestions, it does give you enough information to let you know what the specific code means.

The only other feature this scan tool offers is an emissions check, but even that doesn’t check the actual emissions coming out of the tailpipe. Instead, it just tells you what the various sensors are telling the ECU about the emissions.

But since you’re not getting a scan tool that’s jam-packed with features you don’t need, you’re also getting one at a great price. Why spend more on a scan tool that has a ton of features you’ll never use?

Another perk is that it still comes with a two-year warranty despite the lower price, so you don’t have to replace it anytime soon.

But most importantly, it’s extremely user-friendly. So, if you’re looking for a basic scan tool because you want something easy to use, this is an outstanding choice.

It’s a no-frills scanner that gets the job done and is easy to use – perfect for the mechanic that already knows what they’re doing and just need the code.


  • Affordably priced
  • DTC lookup feature included
  • Also checks the emissions system
  • Two-year warranty


  • No service functions
  • Very basic OBD2 scanner

6. Autel MaxiSys MS906BT

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Key Features

(Video) ✅ TOP 5 Best OBD2 Scanner 2022 [ Buyer's Guide ]

  • Tons of service functions
  • “Active” troubleshooting – you can turn components on and off
  • Works on almost any vehicle
  • Live stream and record data

If you’re running a workshop, good just doesn’t cut it. You need a scan tool that gives you the capability to tackle any job that comes your way. With the Autel MaxiSys MS906BT, you have that capability. Not only do you get an OBD2 scan tool, but you also get a tool that has 31 service functions.

Whether you’re trying to program keys or code BMWs, this scan tool can do it all. Another huge perk of this tool is that you can actively test components. You can turn various components on and off with the click of a button to troubleshoot, and you get access to live data.

You can record and freeze-frame, and with an 8” LED screen viewing the results is easier than ever. This scan tool works with 99.99 percent of vehicles in the world, which means you can tackle almost any vehicle that comes through the door.

Moreover, this scan tool supports 14 different languages, so no matter where you’re at, you can use it. But keep in mind that it only supports one language at a time, and you can’t easily switch between them.

But while this is a state-of-the-art diagnostic OBD2 scan tool, it’s also priced like one. It’s extremely expensive upfront, and after the first year, you’ll need to spend another $695 to keep it up to date. While the scan tool will continue to work without the most recent updates, you’re not getting the most up-to-date information.

Not only do you need those updates, but if you do need to switch the language on the machine, there’s another $100 fee associated with that too. While this machine can do anything at the shop, you’re also paying quite a bit for those capabilities.

These high costs are why this isn’t a good fit for those looking for a scan tool to use on their own vehicles.


  • Supports 14 languages
  • Over 31 service functions
  • Actively test components (cycle on and off)
  • 8” LED screen
  • Works with almost any vehicle
  • Live data streams


  • Very expensive option
  • Yearly updates are expensive
  • Only one language is supported at a time – and it costs to change it

7. Autel MaxiCOM MK908

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Key Features

  • Tons of service functions
  • Live stream and record data
  • “Active” troubleshooting – you can turn components on and off
  • 10.1” screen
  • Works on almost every vehicle

While the Autel MaxiSys MS906BT is an excellent choice, if you’re looking for something even better, it’s the Autel MaxiCOM MK908. This device is a direct upgrade to the MS906BT, and upgrading that already impressive machine is no small feat.

It has the same 31 service functions, can check every single vehicle system, works on 99.99 percent of vehicles, and live streams and records data. Furthermore, it has active troubleshooting that allows you to turn various components on and off while troubleshooting.

It supports 14 different languages, but you still can’t easily switch between them. The upgrades for this scan tool are simple but important. First, this scan tool has a 10.1” LED screen, making it easier to see each chart.

But while the larger screen is the most visible upgrade, what’s more, important is what’s going on underneath the surface. The MaxiCOM MK908 has an upgraded processor that speeds up each process, and for an automotive shop, that means faster repairs and more money.

But once again, the major trade off is price. This scan tool is even more expensive, and you’ll still need the expensive yearly updates, and if you plan to change the language from English, you’ll have to spend an extra $100.

If you’re on a tight budget, this isn’t the tool for you, but if you’re running an automotive workshop, this tool will pay for itself in no time.


  • Over 31 service functions
  • Checks every vehicle system
  • 10.1” LED screen
  • Fast and effective
  • You can check each component individually
  • 14 languages supported


  • Very expensive option
  • Yearly updates are expensive
  • Only one language is supported at a time – and it costs to change it


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Key Features

  • 5 service functions
  • Live data and playback
  • 5” screen
  • Printable results

Just because the LAUNCH OBD2 Scanner doesn’t have a “best for” tag next to it doesn’t mean that’s not worth checking out. It’s an excellent choice for the at-home mechanic who wants a scan tool that can do a little more without spending a ton of money.

While it’s not the lowest-priced scan tool out there, it’s not in the stratosphere as the higher-priced Autel models. Moreover, this scan tool comes with a 5-year warranty, has free lifetime updates, and supports nine different languages.

You get live data and playback and the ability to check the transmission, ABS, SRS, and of course, engine codes. While it only has five service functions, they’re important functions that include an ABS reset and steering angle calibrations.

And while you don’t get as much diagnostic support or features as the more expensive models, they still have far more than just a basic OBD2 scan tool. This tool also allows you to print out your results, so if you’re trying to explain your findings to a customer or a supervisor, it’s easier than ever.

While this isn’t ideal as the only scan tool in an automotive shop, it does make a great second option or a great choice for a mechanic working out of your garage. It gives you tons of data to make troubleshooting easy and works with just about any vehicle out there.

In the end, it’s an outstanding mix of price and performance, even if it didn’t earn a “best of” nod.


  • Good mix of price and features
  • 5-year warranty
  • Checks engine, transmission, ABS, and SRS system
  • Live data and playback
  • Lifetime free updates
  • Supports 9 languages


  • Only five service functions
  • Not as much diagnostic support/features as more expensive models
(Video) 6 Best OBD2 scanner in 2022

9. INNOVA Car Scan Advisor

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Key Features

  • ABS diagnostic check
  • Live graphs and data
  • Diagnostic tips and suggested repairs

While the INNOVA Car Scan Advisor can’t do it all, for the amount you’re spending, it can do quite a bit. It supports three different language options that you can change with the click of a button, and it gives you live data to help you troubleshoot what’s going on with your vehicle.

Moreover, it checks both the ABS and your OBD2 system, which means that it can help you address and fix even more problems. However, keep in mind that it doesn’t support SRS troubleshooting, so if you do get an airbag light, it won’t be able to help you out.

Still, the INNOVA Car Scan Advisor offers a wide array of diagnostic tips and ASE mechanic verified fixes to similar problems, and it’s completely free of charge. You can pull as much information as you’d like without spending a dime which is a bid deal if you’re scanning a lot of cars.

It also helps out novice mechanics by connecting them to data that professional mechanics have used to fix problems. With the INNOVA Car Scan Advisor, it’s like have a certified mechanic in the garage with you to help you figure out what’s going on.

The entire setup is extremely user-friendly and easy to use, so if you’re not the most tech-savvy, you still should be able to figure out how to use this scan tool. Still, it doesn’t have any service functions, and the overall number of features is a bit limited.

Because of these concerns and the fact that it can’t check the SRS system, there was no way we could include it on the higher end of our list.


  • Good mix of price and performance
  • Supports 3 languages
  • Live data
  • Unlimited diagnostic tips and verified fixes
  • Easy to use design
  • Checks ABS


  • Limited features
  • No service functions
  • Doesn’t check SRS system

10. Autel ML629

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Key Features

  • Engine, ABS, SRS, and transmission diagnostics
  • Live data and freeze frame
  • Lifetime free updates

Autel makes our list of top products quite a few times, and for good reason. While the Autel ML629 is far from their top option, it is one of their most affordable. It’s a simplified version of their top tools, which is exactly what many novice mechanics are looking for and can afford.

The Autel ML629 can check the ABS, transmission, engine, and SRS systems and has a comprehensive DTC library to help you figure out what each code means. The Autel ML629 comes with a lifetime of free updates, but since it doesn’t have troubleshooting advice, the updates don’t contain near as much.

Still, you get live data and the ability to freeze-frame what’s going on, and you get a one-year warranty. But with an Autel product, the chances of you needing to use that warranty are extremely slim.

But there are two features we wish Autel would improve with the ML629. For starters, you can’t record data, only freeze-frame it. While you can record what’s going on with a mobile device, the smaller screen size is our second complaint.

Not only does this make it hard to see what’s going on, but it makes it much harder to record live streaming data in a usable way.

Still, the Autel ML629 is an extremely affordable scan tool option, and it gives you all the data that their far more expensive OBD2 scan tools offer – even if it doesn’t provide all the same troubleshooting tools.

But if you’re just looking for a solid OBD2 scanner for your garage, this isn’t a bad choice.


  • Good mix of price and features
  • Checks ABS, transmission, engine, and SRS system
  • Lifetime free updates
  • 1-year warranty
  • Built-in DTC library

How To Choose The Best OBD2 Scanners?

While all the OBD2 scan tools are a good choice, the best choice for you isn’t necessarily the best choice for everyone. That’s why we came up with this comprehensive buyer’s guide to walk you through everything you need to know and help you pick out your perfect scan tool.

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Determining Compatibility

Before you head out and purchase an OBD2 scan tool, you need to determine compatibility between the device you’re trying to purchase and the vehicle you’re trying to use it on. Because while OBD2 has been universal since 1996, that doesn’t mean every feature on every scan tool will work on every vehicle.

If the vehicle was available in the US market after 1996, then it’s OBD2 compatible, but that doesn’t do a thing for the live data tracking, service functions, active troubleshooting, and other advanced features.

Before you go out and spend a ton of money on a scan tool with tons of extra features, see if it works with your vehicle. You can check the product description page for your specific vehicle, but if you’re still unsure, you can always shoot the manufacturer a message, and they’ll let you know!

Finally, ensure that you’re actually trying to check the OBD2 system because the SRS, ABS, and even the transmission system work with different computers, and basic OBD2 scanners won’t get the job done.

What To Look for In Your OBD2 Scan Tool

If you’re only interested in a code reader, then you skip this section. But if you’re wondering what else your scan tool can do for you to make troubleshooting easier, keep reading. Because modern scan tools can do far more than just read a code.

1. Live Data

When you’re troubleshooting what’s going on in your vehicle, live data can be invaluable. They can tell the number of times a particular cylinder is misfiring, the amount of air the intake brings in, and more.

If you know what you’re looking at, you can use this data to pinpoint problems past the check engine light. Extremely experienced mechanics can use live data and the engine code to pinpoint almost any problem – although even they need to verify before getting any parts on order.

2. Transmission/SRS/ABS Scanning

Check engine lights are one thing, but they aren’t the only systems on your vehicle. A basic OBD2 reader can only read engine codes, but an advanced one can read every system in your vehicle.

This might not seem like a big deal if you only have a check engine light on, but having a tool that can check every system can bail you out down the road.

Even better, this is often one of the first features that manufacturers put in their tools, so it’s not too hard to find one that can check every system.

(Video) ✅ TOP 5 Best OBD2 Scanners [ 2022 Buyer's Guide ]

3. Troubleshooting Tips

Whether you’re a novice mechanic or an expert, it’s only a matter of time until you run into a problem that leaves you stumped. That’s why there are databases full of information out there to help you through problems.

But while many of those databases lock their information behind paywalls, select scan tools will give you access to these databases – sometimes for free. Even better, many scan tools will automatically put in your vehicle’s information and problems and guide you in the right direction.

This means less time searching for relevant information and faster repairs. Whether you’re stumped or just want confirmation of what you think the problem is, it’s a great tool to have at your disposal.

4. Service Functions

Did you know that you need a scan tool to complete some jobs? For jobs like steering wheel recalibrations and key fob programming, you need a scan tool.

But not every OBD2 scanner can do these tasks. While these features quickly drive up the cost of the tool, they’re also essential for mechanics that need to be able to complete any task.

While some service functions are more important than others, functions like ABS brake bleeding helps by turning a two-person job into a one-person job. It’s not necessary, but it can help free up time in the shop to get more work done.

5. Active Troubleshooting

Active troubleshooting is something that only some of the most expensive scan tools have, but it can make troubleshooting complex problems a breeze. Devices with active troubleshooting allow you to input different variables into sensors or turn various components on or off – all with the click of a button.

This allows you to determine precisely what’s going on and even troubleshoot various theories without the need to dig into hard-to-reach locations on the engine.

While most OBD2 scanners require you to get out and physically troubleshoot your theories, with an OBD2 scanner that has active troubleshooting, you don’t always need to do that.

Software Updates

Before purchasing an OBD2 scan tool, check how often and how much they charge for software updates. These updates often give you up-to-date access to troubleshooting tips because as vehicles age, new problems emerge.

But while some scan tools provide these updates for free, others charge quite a bit for them. The last thing you want is to drop a ton of money on a scan tool only to realize that you have to spend even more every year on updates.

Most lower-end scan tools give you the updates for free, but if you’re purchasing a more expensive option, be sure to double-check.

Wired vs Wireless

There’s a big debate about whether you should get a wired or wireless scan tool, but the truth is that for most devices, you want both. Because most wireless scan tools need batteries or a charger, and the last thing you want is to deal with a dead scan tool when you need it.

Meanwhile, if you’re trying to troubleshoot a vehicle when you’re up at the engine bay, the last thing you want to deal with is a cord running to the cab.

Scan tools that have both typically charge when you plug them into the vehicle, but when you need to move around, you can unplug it and move. Of course, options like the BlueDriver Bluetooth Scanner are completely wireless, and you never require batteries, which gives you the best of both worlds too.

What Scan Tool Do You Need?

Finding the right scan tool for your vehicle doesn’t need to be complicated with a review like this. Most at-home mechanics could benefit from the BlueDriver Bluetooth Scanner, but if you already have a ton of experience and want to forego the maintenance tips, the MOTOPOWER MP69033 is all you need.

Meanwhile, both the Autel MaxiSys MS906BT and the Autel MaxiCOM 908 are great for professional workshops. While they’re expensive to purchase and maintain, they allow you to complete any job that comes through the door.

In the end, the right scan tool for you is one that you’re comfortable using and gives you all the information you need. Because if you don’t understand some of the more complex features and don’t know how to use them, there’s no reason to spend the extra money on them.

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Frequently Asked Questions

We understand that finding the right OBD2 scan tool for your vehicle can bring up many questions. That’s why we addressed a few of the most common here before diving into our comprehensive buyer’s guide.

When Do You Need an OBD2 Scan Tool?

If your vehicle has a check engine light, an OBD2 scan tool can tell you what the code means. However, while an OBD2 scan tool will read check engine lights, it won’t read transmission codes, ABS, or SRS codes.
Some OBD2 scan tools have these capabilities, but this is an added feature, not an integral part of the OBD2 scanner.

What Vehicles Are Compatible with an OBD2 Scan Tool?

If you own a vehicle made after January 1st, 1996, and available for sale in the US market, it’s compatible with OBD2. That’s because, from January 1st, 1996, the United States government required that every vehicle sold in the United States be OBD2 compatible.
And since vehicle manufacturers don’t want to make separate vehicles for different markets, if the vehicle is available in the US market and the manufacturer made it after that date, it has OBD2.

Where is the OBD2 port?

If you’re trying to track down your vehicle’s OBD2 port to hook up your scan tool, it’s pretty easy to find. Simply look underneath the steering wheel and underneath the paneling. It’s typically to the left of the steering wheel and connected underneath the dash there.

Can You Use a Scan Tool While Driving?

Once you hook up an OBD2 scan tool, there’s nothing to stop you from using it while driving. While you need to be careful not to get into an accident, the live data that it displays while driving can be extremely useful during troubleshooting.
With the scan tools that record this data, you can always go out for a drive and view the results when you get back for added safety.


Without the right tools fixing your vehicle can be next to impossible. But with the right tools, you can tackle the job and move on with your life. If you’re an at home mechanic with access to a smartphone, you really can’t go wrong with the BlueDriver Bluetooth Scanner, and if you’re running a shop, you want an Autel.

While the other options can be a great choice too, you can’t beat what those devices have to offer. So, what are you waiting for? Pick up an OBD2 scanner and get your vehicle back on the road in no time!

Contents show


What is the best budget OBD reader? ›

Here are the best cheap OBD scanners you can purchase for your vehicle.
  • Innova 3100j Scanner. ...
  • Mucar OBD2 Scanner 2022. ...
  • MOTOPOWER MP69033 Car OBD2 Scanner. ...
  • Foxwell NT301 OBD2 Scanner. ...
  • BlueDriver Bluetooth Pro OBDII Scan Tool. ...
  • Autel AL539 OBD2 Scanner. ...
  • Panlong Bluetooth OBDII Car Diagnostic Scanner for Android.
17 Aug 2022

What are the 10 OBD2 modes? ›

OBD Modes
  • Mode $01 – Request Live Data.
  • Mode $02 – Request Freeze Frames.
  • Mode $03 – Request Stored Trouble Codes.
  • Mode $04 – Clear/Reset Stored Emissions Related Data.
  • Mode $05 – Request Oxygen Sensors Test Results.
  • Mode $06 – Request On-Board System Tests Results.
  • Mode $07 – Request Pending Trouble Codes.

What kind of OBD scanner do I need? ›

What this means is that if your vehicle is a 1996 or newer, you'll need OBD2 scanning capabilities. Prior to that, and you're likely to need an OBD1 scanner (though there are some exceptions for 1995 models).

Is Foxwell a good scanner? ›

Overall, the Foxwell NT301 is a really nice looking diagnostic tool, even with all of its buttons it is simple to use but feels a bit plasticy and not thoroughly durable, who knows what would happen if you dropped it.

What code reader does AutoZone use? ›

AutoZone | Innova's 3040 OBD II Code Reader.

What is the difference between OBD and OBD2? ›

OBD is the abbreviation for on-board diagnostics. OBD2 refers to the second generation of the onboard diagnostic system. OBD or onboard diagnostics is the system in a car that controls and monitors all the important control devices, offering data access with the appropriate hardware and software.

Is Carly scanner Good? ›

The carly universal OBD scanner is a very useful handy tool. Used it for only 2 days and the results were clear. My Toyota had a check engine light for more than a year and after diagnosed in the carly app showed a critical problem. With the help of this scanner I was able to clear it and so far everything seems good.

Are Innova scanners any good? ›

We believe Innova makes quality car scanners. In our review, we awarded 4 out of 5 stars to the Innova CarScan Advisor 5210. While it does not have the most advanced data collection capabilities, it is an excellent OBD2 scanner for the price, and Innova offers pricier and more advanced models.

What is the difference between a scanner and a code reader? ›

A code reader is a simplified version of a scan tool, but it's only capable of performing basic scans of trouble codes. A scan tool can read and clear trouble codes, and it may also provide advanced data reading and playback features, knowledge bases, diagnostic procedures, and built-in testing equipment.

Can you damage your car using an OBD2 scanner? ›

It's completely safe to leave an OBD2 scanner tool plugged in while driving. In fact, it's important to have your car running while you diagnose an engine code to avoid damaging the scanning software.

Are all OBD2 scanners the same? ›

Not all the best OBD-II scanners are created equal. There are two general types of devices. Handheld OBD-II scanners come with their own screen and cable to plug into the car's OBD port. Wireless OBD2II scanners plug into the port, but then connect via Bluetooth to a smartphone or tablet to display their findings.

Is it worth buying an OBD2 scanner? ›

An on-board diagnostics (OBD) scanner can save a car owner time and money. The scanner plugs into your car's onboard diagnostics system port and pulls the error codes to see what's going on. At a cost of between $20 and $200 for a decent unit, a small investment could pay off in a big way.

What is the difference between OBD and OBD2? ›

OBD is the abbreviation for on-board diagnostics. OBD2 refers to the second generation of the onboard diagnostic system. OBD or onboard diagnostics is the system in a car that controls and monitors all the important control devices, offering data access with the appropriate hardware and software.

Can you damage your car using an OBD2 scanner? ›

It's completely safe to leave an OBD2 scanner tool plugged in while driving. In fact, it's important to have your car running while you diagnose an engine code to avoid damaging the scanning software.

Are Innova scanners any good? ›

We believe Innova makes quality car scanners. In our review, we awarded 4 out of 5 stars to the Innova CarScan Advisor 5210. While it does not have the most advanced data collection capabilities, it is an excellent OBD2 scanner for the price, and Innova offers pricier and more advanced models.


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