The Best Bi-Directional OBD2 Diagnostic Scanners for Your Car
Rather than opt for an expensive professional diagnosis, more and more people are choosing to perform diagnostic tests on their vehicles themselves. That's because professional mechanics charge a premium to connect a scanner that you can purchase yourself to the car's computer. And although the name "bi-directional OBD2 diagnostic scanner" might seem daunting, these devices are actually quite simple to use. So for those with a desire to cut out the middleman, we recommend investing in a quality scanner. Below, we've compiled a list of the best of the best, from the high-end picks to those tailored to the budget-conscious among us.
Innova Bi-Directional CarScan Pro 5610
A pro tool for the masses
This option from Innova is the real deal. Heck, you could start your own auto repair shop with this thing. That’s because Innova’s CarScan Pro 5610 not only scans — it also fixes. Drawing from a massive diagnostic database, this option pairs with the RepairSolutions2 app to offer fixes and advice. And because the database is cloud-based, the info you get through the app is always up-to-date and verified. Easy to use for newbies and vastly versatile for advanced users, the Innova CarScan Pro 5610 is the pinnacle of 21st-century tech.
Pros:
- Ability to graph and store data for later recall, so you can record and compare test results
- Offers fixes, repairs, and recommendations for what parts are needed using the RepairSolutions2 app
- Considering the cost of a couple of trips to the car mechanic, this pick pays for itself
Cons:
- Firmware updates take a long time
- Non-mechanical folks may not need all the fancy features
Foxwell NT510 Elite Full Systems Bi-Directional Scanner for BMW
An elite scanner for elite cars
We aren’t entirely sure why, but many generic scanners aren’t compatible with BMWs. Fortunately, the Foxwell NT510 Elite can diagnose and program just about every type of BMW car. You’ll have to check the list to make sure your model is on there, but it most likely is. And not only does this pick cover cars that most scanners don’t, but it also features one of the widest ranges of reset options and troubleshooting programs. Risk-free, super affordable, and highly effective, the Foxwell NT510 Elite is a superior scanner for your superior car.
Pros:
- Compatible with a wide range of BMW models, so check to see if yours is on the list
- Free to register and free to upgrade firmware
- Advanced tools specifically for BMWs include ABS bleeding, idle speed adjustments, brake deactivation, and much more
Cons:
- Doesn’t offer the most advanced diagnostics, but a worthy scanner for home mechanics nonetheless
Autel Maxisys Bi-Directional OBD2 Scan Tool
A premium scanner for a premium price
Those that want a professional-grade scan tool are going to have to pay up. This pick from Autel is a mean, versatile machine but its premium features come with a premium price tag. That being said, considering the fact that it can perform every possible system diagnosis and allows you to reprogram adaptive data for various control modules, the Maxisys MS906BT is a steal of a deal. Best of all, this option utilizes the MaxiFix online database for the most up-to-date repair tips and fixes. Lightning-fast, reliable, and exceptionally versatile, the MS906BT makes the other options look like children’s toys.
Pros:
- Performs professional-level diagnostics
- Automatically scans the entire vehicle system for a comprehensive diagnostic report
- Exceptional user interface is intuitive yet expansive
- Rugged hardware sports a bright screen for easy reading
Cons:
- Another option that costs extra to update the software after the first year
OBDScar OBD2 Scanner
Affordable and adorable
There’s no getting around it: car maintenance is expensive. But for those trying to save some money at the mechanic, there are still inexpensive options that will perform the most basic diagnostic tests. This pick from OBDScar works with most US, EU, and Asian cars, so compatibility is likely a non-issue. And the diagnostic checks, though limited, are surprisingly reliable and effective. Better yet, OBDScar does away with the guesswork and tells you what the codes mean right away.
Pros:
- Super low price lets you diagnose your car easily and affordably
- Stores freeze frames, live data, and diagnostic codes for later recall
- Super easy-to-use interface and design means you don’t have to do any homework to run the tests
Cons:
- This option is technically bi-directional since it can reset monitors and turn off check engine lights, but it’s really for diagnosing, not programming
Frequently Asked Questions
Will these scanners work with my car?
A list of compatible vehicles for each scanner may be found on the product listing or on the manufacturer’s website. We recommend making sure your car’s make and model is on the list before investing in a scanner.
What does bi-directional mean when it comes to scan tools?
A scanner that is bi-directional is able to both receive and send diagnostic information. Technically, the vast majority of scan tools are bidirectional, since most can shut off check-engine lights, request certain modules to perform tests, etc., etc. However, enhanced bi-directional scan tools will take things a step further by allowing the user to reprogram certain modules and perform advanced tests.
About the Author
Why Trust Us
With the constantly shifting landscape in the world of technology, GameRevolution seeks to provide gamers and tech-enthusiasts with the information they need to select the right products for their needs. Since 1996, our experts have used their knowledge on all the latest gadgets – everything from headphones to standing desks – to help millions of people navigate specs and answer common questions.