The Obd2 Diagnostic Interface Of 2023 - Top 10 Reviewed

We crawl through major online marketplaces and retailers in real-time, staying always up to date on all the recent products and prices to find out and recommend a list of the Top Obd2 diagnostic interface with popular brands below: Bluedriver, Xtool, Blcktec, Obdlink, Topdon, Exctool, Zmoon, Foxwell, Kingbolen to help you cut through the clutter and find what you need.

Ken Casper By, Ken Casper
  • Clear Check Engine Light and get more live parameters (ABS, SRS, TPMS, etc) than any other scanner
  • Turn your iPhone, Android device, or Windows PC into a professional-grade diagnostic scan tool
  • Enhanced OEM support for Ford, GM, Mazda, Nissan/Infinity, Toyota/Lexus/Scion, Honda, Hyundai, Kia
  • 8+ Popular Functions, Full System Diagnosis: TopScan supports OBD2 full system diagnosis functions, including read/clear codes, ECU information,AUTO VIN, viewing real-time data, and active tests. It offers 8+ reset functions: Oil Reset, Throttle Adaptation, EPB Reset, Steering Angle Reset, DPF Regeneration, ABS Bleeding, BMS Reset, and Airbag Reset. By these functions, you can save on unnecessary repair costs and reduce repair times significantly.
  • Vehicle Coverage Lookup: Are you unsure whether the TopScan scanner tool is compatible with your family's or friends' car models? We've got you covered! With the convenient TopScan scanner compatible vehicle model table query function, you can easily verify compatibility with a single click. No more guesswork or uncertainty, get the answer Immediately.
  • Bluetooth Quick Pairing in Seconds: With the upgraded 5.0 Bluetooth system, TopScan ensures a faster connection, eliminating the hassle of wires.The bluetooth pairing process needs to be completed in the application (IOS : TOPGURU&Android : TopScan). you can download our app from APP Store and Google play. TopScan provides one year of free software updates, and the second year subscribe fee $49/year with full software(Diag Bundle)
  • Compatible with BimmerCode, BimmerLink, Bootmod3, MHD, xHP Flashtool, xDelete, BimmerGeeks ProTool, Deep OBD, etc. (software or apps not included).
  • Works with iOS, Android and Windows. Turn your phone or PC into a professional car diagnostic scan tool and code reader.
  • Additional heatsink on the WiFi module for heat dissipation to ensure reliable connection. Built-in Ethernet connection for optional wired connection.
  • ✔Convenient Shortcut Functions: The addition of shortcut keys enhances the user experience. Pressing F1 enables you to quickly retrieve trouble codes, while F2 provides instant access to I/M readiness information. We've also introduced left and right navigation buttons (the previous model had only up and down buttons), making operation even more convenient.
  • ✔Full OBDII Modes Scanner for Car: As professional car scanner, ZM201 has all the OBD2 functions you need.🔎Read & clear codes, 💡turn off engine light or MIL, ❄view freeze frame, 📋read I/M readiness, 🚕retrieve vehicle VIN, 🔋battery voltage test, 📈live data stream (with graphing display), ✅built-in 35901 DTCs, O2 sensor test, onboard monitoring mode, and perform component testing etc.
  • ✔Enhanced OBD2 Scanner Diagnostic Tool: Live data and DTC replay combined with printing function, you can connect it to a computer for fault data printing, prevent auto repair shops from charging randomly, save money and time. ZM201 obd scanner also comes with free-lifetime software updates, ensuring you always have the latest features and improvements.
  • 👏PERSONALIZED DASHBOARD 👏 TRIP RECORDER>> The smart dashboard allows you to choose and view vital data intuitively to see how the vehicle performs such as rpm, vehicle speed, and coolant temperature. The trip recorder can record all the mileage, average speed, and maximum speed of your journey this month or a certain trip.
  • 👏FULL SYSTEM DIAGNOSTICS 👏OIL RESET>>AD20 Pro is a wireless all-system diagnostics scanner detecting all the DTCs of your car without annoying cable. It also provides the DTCs definition, which is immensely useful to help backyard, DIY, amateur mechanics to fix car issues or replace faulty components with confidence. With the Oil Reset function, you can effortlessly maintain the Oil Light at home, erasing worries and ensuring a professional-grade level of care for your vehicle.
  • 👏UPGRADED VER.OF XTOOL AD10/AD20>> XTOOL AD20 Pro Wirless OBD2 Scanner is equipped with fast BT 5.0 communication within an extended range of around 33 feet, a low-cost way for DIYers to read/clear codes to locate the car issues before taking it to the dealer. AD20 Pro can pair with both iOS and Android smart devices, download the “Advancer AD20” from G00gle Play or App Store for functions like Check Engine Light, Full System Diagnostics, 10 Modes of OBD2 tests and more to explore!
  • [Warm Tips] NT301 car scanner can be used directly with no need for registration or update, as it is already the latest version. Your Foxwell's screen is with a tightly-fitting screen protector. If any scratches are found, just tear off the screen protector from the upper left or upper right corner. :)
  • [S-mog Check Helper] Read/Erase and I/M readiness hotkeys make it easy to use the car computer reader right out of the package. Red-Yellow-Green Leds and build-in speaker indicate the readiness status for confident e-missions test.
  • [Vehicle CEL Doctor] The NT301 obd2 scanner enables you to read DTCs, access to e-missions readiness status, turn off CEL(check engine light) or MIL, reset monitor, read live data and retrieve VIN of your vehicle.
  • 🔔【Activation Process & Subscription Fee】 1.Download the Ediag app(App store/Google play)--2.Registered account--3.Activate and input SN and activation code ( On the front page of the manual )--4.Connect the obd2 port--5.Bluetooth connection--6.Download diagnostics software. After successfully activate, you will get all system diagnostic,15+ reset service & all software function 1 year free. After expiration, pls contact us to get promotion about the Subscribe Fee $80/year with full software.
  • ✅【Important Notice】 KINGBOLEN Ediag all systems obd2 scanner bluetooth trusted by professional mechanics is compatible with Android and IOS but not supporting PC. Download “Ediag” in the APP store or Google Play, register for activation, with 15+ reset functions, all software 1 year free. (The registration serial number and activation code are on the first page of the user manual) Pls contact us to get quick response if you have any issues. (Similar to Thinkdiag)
  • 🚗【OE-Level ALL System OBD2 Scanner Bluetooth + OBDII Full Function】 KINGBOLEN Ediag Bluetooth OBD2 scanner, developed and maintained by professional engineers, supports vehicle all systems diagnostic and OBD2 full function, it can read/clear fault codes, read live data/freeze frame, read control module information, actuation tests and reset functions for TPMS,ECM,BCM,ABS,SRS,TCM,BMS,SAS,A/C & RTM system etc...Applicable to maintenance technicians, repair shops & individual owners.
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How to choose the Obd2 diagnostic interface in 2023?

In fact, before buying any products, buyers usually have some critical factors to take into consideration. A considerable number of products exist in the market, but which one is the most outstanding and meets your demands? It is the reason why you should dig deep into the following to figure out some things to consider when shopping the Obd2 diagnostic interface, primarily through the internet.

  • Is there any warranty or service related to whether the product will not work or go wrong?
  • In the marketplace, is this product the most common usage?
  • How long can users use this product? 
  • How much is this product, and is it worth this price tag?
  • What benefits and downsides will customers receive when possessing this product?

We have created this buying guide to answer these wondering for you. Our team has been searching and using advanced technologies to examine the best product available in 2023. So, you can probably trust us as a reliable resource to believe. 

Let’s go through the very first feature!


All car manufacturers create code systems for each of their cars. While the OBD2 (on board diagnostics) systems are standardized, the codes are unique to each vehicle.

To ensure that your vehicle is covered by the manufacturer warranty, you need to pick a device that covers vehicles from every major domestic automaker. If you own a foreign or specialty vehicle, however, you might have to look for a device that’s made specifically for that type of vehicle.

Buy Based On The Work

To figure out which OBD2 scan tool you need, consider what kind of work you’d be doing. If you’d just be checking for codes, you might want something that can read them.

If you're interested in scanning your own vehicles, you'll want a scanner that works with both domestic and foreign models and gets regular software upgrades. Sending commands to your vehicle via Bluetooth lets you adjust things like the climate control system and engine performance. Having access to data such as the ABS and malfunction indicators helps you pinpoint problems before they become serious issues.

Remember: More functions and programmability means a higher cost.

Repair Manuals

If you use an OBD2 scanner to determine whether there are any issues with your car, don't assume you know what to do if something goes wrong.

You can use these repair guides and online communities to learn how to diagnose and fix your vehicle without having to pay for expensive repairs.

If you're a hands-on car owner, having access to these guides will be invaluable, and it could save you tons of money by avoiding the mechanics for minor repairs.

Wired Vs. Bluetooth

If you want an OBDII scanner, consider Bluetooth compatibility. Because most OBDII scanners come with cables, they keep you closer to the car than if you were using a wireless device.

You just need a mobile device with Bluetooth capabilities and an app for scanning barcodes.

If you're interested in an "all-in-one" solution that collects data while you're driving, then a high-end OBD2 scanner might be the right choice for you. But, if you want something that lasts longer than just one trip, then there are several models available that have internal battery packs.

Live Data Scanning

Today, most cars have onboard computer systems that let you monitor all of your vehicle's systems at once.

Live Scan is a powerful tool because it helps you monitor your vehicle's performance over time, as well identify any potential issues before they become an actual problem. For example, you could diagnose why your car is not performing as expected.

Code Reading

We mentioned earlier that the primary function of an OBD2 scan tool is to read and display vehicle trouble codes (or "check points"). Some scanners will just show you the single most recent check point, but others will provide additional information about the problem.

If the size of the display on your car diagnostic tool isn't large enough to show all the codes for each problem, consider upgrading to one with a bigger display.

Data Tracking

A modern scanner can give you a lot of useful information about your car. But unless you know how to read and interpret it, it might be hard for you to understand what it all really means.

So, you'll want to buy a device that lets you view the data in clear, easily readable graphs and charts. You'll also want one that allows you to track this data over time so you can spot trends and use them to your advantage.

Vehicle Make

While many OBDII code sets are universal, a good portion are not. In addition to common code sets, every car also has a brand-specific fault code set. The best OBDII readers can read these code sets from most major manufacturers. If you intend to use your OBDII reader with a specific automobile or group of automobiles, make sure it is able to read any relevant error code sets for that particular brand.


Finally, we hope our manual can help you a little bit when selecting the Obd2 diagnostic interface. If you have any suggestions about the product, let us know, and we will update the latest information about this product every single day. Have a good shopping trip!


1. Why Would I Want An OBDII Scanner? After All, I Can’t Fix My Car Myself.

Having an OBD II scanner at your house is useful even for people who haven’t any knowledge as a auto technician. By running the scanner you can discover code numbers that provide you with an understanding of what’s incorrect with the automobile. You can also learn whether the automotive service provider is being fair in regards to the offered services. Furthermore, you will know whether the garage is dealing with you fairly concerning suggested fixes.

2. What Vehicle Problems Can An OBDII Scanner Detect?

An OBDII scan tool allows you to read your car’s computerized diagnostic trouble codes. You can also learn how to change them yourself if you know what you're doing.

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Ken Casper By, Ken Casper