If you’re looking for the best OBD2 scanner diagnostic tool to diagnose check engine lights, run live data, or perform service resets, this roundup will help. Below you’ll find ten top-rated scanners—ranging from simple Bluetooth dongles to full bidirectional handhelds—tested for accuracy, ease of use, and value.
Quick Product Comparison
Our Top 10 Best Obd2 Scanner Diagnostic Tool Reviews – Expert Tested & Recommended
1. XTOOL D5S OBD2 Scanner Code Reader for Cars and Trucks, 16 Resets, EPB, Crank/Throttle Relearn, CAN FD
The XTOOL D5S felt like a grown-up upgrade compared to cheap dongles. It reads codes fast, does 16 resets including EPB and throttle relearn, and works on cars and light trucks. The screen and controls make it easy to use in the garage or roadside.
Key Features That Stand Out
- ✓ 16 service resets including EPB, SAS, and throttle/crank relearn
- ✓ Full OBD2 and CAN FD support for wide vehicle coverage
- ✓ Clear, responsive screen and handheld controls
- ✓ Durable build for frequent shop or DIY use
Why We Recommend It
This tool hits the sweet spot for home mechanics who want pro-like reset functions without a heavy price tag. It’s quick to pull codes and offers practical service functions that save trips to the shop.
Best For
Best for DIYers and small-shop owners who need a reliable, handheld OBD2 scanner diagnostic tool with multiple reset functions.
Pros and Cons
Pros:
- Fast code reading and stable performance
- Multiple resets useful for maintenance tasks
- Solid touchscreen and interface
- Good compatibility with many vehicles
Cons:
- Not as feature-rich as full professional scanners
- Occasional firmware quirks reported by a few users
Customer Reviews
Customer Review: ‘I own vehicles from a wide range of years and needed a scanner to cover late 90’s OBD II systems. I reached out to Xtool to see if the D5S scanner would perform a Crankshaft Sensor Relearn on my ‘98 Chevy truck, and they were able to confirm it would after being provided with the VIN.I set up the sc’
Customer Review: ‘Update: I’ve been able to use this scanner a bit now and it has impressed me quite a bit. The screen is clear and bright, touch controls are responsive and navigating menus is a breeze.Outside of Amazon sending me a used and returned unit it has performed flawlessly. It pulls up codes pretty quickly’
2. Bluetooth OBD2 Scanner for iOS and Android, Wireless Code Reader, Live Data, Clear Codes, Performance Test
This compact Bluetooth OBD2 scanner diagnostic tool is great if you like phone-based data. It pairs quickly to iOS and Android and shows live data through a clean app. Setup felt simple, which is perfect for weekend mechanics.
Key Features That Stand Out
- ✓ Wireless Bluetooth connection to iOS and Android
- ✓ Live data streaming and performance tests
- ✓ Simple app interface with clear visuals
- ✓ Fast connection and easy code clearing
Why We Recommend It
Pick this if you want a portable, low-cost option that gives live graphs and clears codes from your phone. It’s handy for quick checks and data logging on the go.
Best For
Best for tech-savvy DIYers and drivers who prefer using their phone as the display for diagnostics.
Pros and Cons
Pros:
- Quick pairing and reliable Bluetooth link
- App shows useful live data and freeze frame
- Lightweight and easy to store in the glove box
Cons:
- Dependent on phone app quality and updates
- Fewer advanced service functions than handheld units
Customer Reviews
Customer Review: ‘This OBD2 scanner is a must-have tool if you work on your own vehicles or just want to know what’s going on under the hood. I’ve tested it on multiple cars and it connected fast and easy with both iOS and Android. The exclusive app it comes with is clean, easy to use, and gives real-time data withou’
Customer Review: ‘Works as it says in the description! I have used this for two vehicles so far and the app and reader are very simple to navigate and use! I would recommend this product.’
3. ZMOON ZM201 Professional OBD2 Scanner, Enhanced Check Engine Code Reader with Resets, OBDII/EOBD for Post-1996 Vehicles
The ZMOON ZM201 is a compact, no-frills reader that covers post-1996 OBDII/EOBD cars. It gives live data and freeze frame, and it’s a sensible buy if you want a dependable, budget-friendly scanner for routine checks.
Key Features That Stand Out
- ✓ Broad compatibility with post-1996 vehicles
- ✓ Live data streaming and freeze frame support
- ✓ Read and clear engine codes quickly
- ✓ Compact and easy to store
Why We Recommend It
It’s a smart pick when you need trustworthy basic diagnostics without paying for advanced service features. The ZM201 is straightforward, fast, and reliable for everyday troubleshooting.
Best For
Best for casual DIYers and drivers who want an affordable scanner to handle check engine diagnostics and simple resets.
Pros and Cons
Pros:
- Very affordable and easy to use
- Good compatibility and fast code reads
- Useful live data and freeze frame functions
Cons:
- Lacks advanced system resets found on pricier tools
- Basic screen and UI compared to handheld color units
Customer Reviews
Customer Review: ‘I got this for our 2018 Nissan Sentra when the check engine light popped on, and I’m so glad I did! I had been thinking about getting one for a while, but that little warning light pushed me over the edge. Having this at home is a total game-changer—I no longer have to run to the auto parts store or’
Customer Review: ‘I have a 2014 F-250 6.7L Diesel. I pop codes constantly because of some modifications. This works great, let’s me clear the codes and get back to using remote start. (Remote start doesn’t work if an active engine code is on)’
4. TOPDON AD600S Upgraded OBD2 Scanner Diagnostic Tool, ABS SRS Transmission Code Reader, 9 Service Resets, Injector Coding
The TOPDON AD600S feels like a step-up for owners needing ABS, SRS, and transmission coverage without the pro price. The interface is easy to use and the 9 service resets are practical for routine maintenance.
Key Features That Stand Out
- ✓ 4-system diagnostics: Engine, Transmission, ABS, SRS
- ✓ 9 reset services including TPMS and brake bleeding
- ✓ Injector coding and live data streaming
- ✓ User-friendly interface with lifetime updates
Why We Recommend It
TOPDON offers a well-balanced tool for those who need more than a basic reader but aren’t ready for a full-shop tablet. It works reliably for system scans and the reset features are genuinely useful.
Best For
Best for DIYers and independent mechanics who want a mid-range scanner with many service functions.
Pros and Cons
Pros:
- Covers ABS and SRS in addition to engine codes
- Clear interface and helpful reset tools
- Good value vs. professional-level units
Cons:
- Advanced bi-directional functions limited compared to high-end tools
- Screen size could be larger for long data sessions
Customer Reviews
Customer Review: ‘I bought the TOPDON AD600S to diagnose issues on my Ford Raptor and it’s been worth every penny. The setup was easy, and the interface is super user-friendly—even if you’re not a pro mechanic. I was able to read and clear codes, run live data, and reset a few systems without any hassle. The screen i’
Customer Review: ‘This is an excellent scanner with features well beyond a basic code reader. It not only reads and clears engine codes but also covers ABS, SRS, and transmission systems, plus offers 9 reset services like TPMS, brake, SAS, and injector coding. The interface is easy to use, updates are lifetime and fr’
5. OBD2 Scanner with ABS SRS Transmission Diagnostics, Fault Light Resets, DLC Pin Test, Battery Voltage Check
This OBD2 scanner is a practical handheld tool that covers engine, ABS, SRS, and transmission diagnostics. It also offers handy tests like DLC pin and battery voltage checks—useful when tracking down tricky electrical gremlins.
Key Features That Stand Out
- ✓ 4-system diagnostics with clear 3.5″ TFT display
- ✓ Fault light resets and DLC pin test
- ✓ Battery voltage and live data monitoring
- ✓ One-click I/M readiness and full OBD2 functions
Why We Recommend It
It’s a reliable everyday scanner for people who want more than a basic code reader but don’t need a full diagnostic tablet. The extra tests help pinpoint wiring or power-related faults quickly.
Best For
Best for DIYers who want a multi-system handheld scanner with useful electrical tests and clear output.
Pros and Cons
Pros:
- Large readable display and easy menu
- Performs ABS/SRS/transmission diagnostics
- Useful voltage and DLC tests for troubleshooting
Cons:
- Limited advanced reset options compared to premium models
- Not wireless—must be plugged into OBD port during use
Customer Reviews
Customer Review: ‘The product is reliable. The quality is high. It’s easy to use and accurate for my car. I’d love to recommend this product.’
Customer Review: ‘This scanner works great right out of the box! It quickly reads engine, ABS, SRS, and transmission codes. Very easy to use with a clear interface and fast response. Helped me reset warning lights and check battery voltage with no problem. A must-have tool for DIY car diagnostics!’
6. XTOOL Anyscan A30M V2.0 OBD2 Bidirectional Wireless Scanner, All-System Diagnostics, 26 Resets, EPB, Crank/Throttle Relearn
The XTOOL Anyscan A30M is a wireless bidirectional scanner with many service resets. It’s lightweight, connects well, and the free lifetime updates mean it improves over time—great for long-term ownership.
Key Features That Stand Out
- ✓ Bidirectional control and active tests
- ✓ 26 service resets including EPB and relearns
- ✓ Wireless connectivity and lifetime updates
- ✓ Handy for advanced DIY and small shops
Why We Recommend It
If you want a wireless tool that grows with software updates and handles deep functions, the A30M is a strong pick. It’s a good balance of capability and portability.
Best For
Best for experienced DIYers and small shops that want bidirectional testing without a huge investment.
Pros and Cons
Pros:
- Full bidirectional tests and active control
- Regular lifetime updates keep it current
- Wireless freedom with strong connectivity
Cons:
- Some advanced functions may require in-app purchases
- Learning curve for first-time users of bidirectional tools
Customer Reviews
Customer Review: “I’ve owned the Anyscan A30M for over a year and thought it was great for the money. I used it with my IPad. I used it to help fix a couple of my cars and some friend’s cars. The bi-directional and live data features made this a very useful tool and much better than most other scanners in the price “
Customer Review: “I’ve been using this on and off for about a year now and it’s just been a solid performer. I’ve never had an issue where I cannot diagnose it with this reader. The diagnosis is always spot on and the readings are always accurate. The app is easy to use and so far I have not had a single issue wit”
7. Autel MaxiCheck MX808S OBD2 Diagnostic Scanner, Bidirectional Tester, 3000+ Active Tests, 28 Service Functions, FCA AutoAuth
The Autel MaxiCheck MX808S brings many active tests and service functions into a more affordable package. It’s capable and faster hardware-wise than older budget Autel units, making heavier use feel smoother.
Key Features That Stand Out
- ✓ 3000+ active tests and 28 service functions
- ✓ Bidirectional testing for active component control
- ✓ Faster hardware for snappier responses
- ✓ FCA AutoAuth for supported models
Why We Recommend It
Autel’s MX808S is a reliable middle ground for technicians who want many active tests without stepping up to flagship prices. It feels solid and gets the job done quickly.
Best For
Best for independent shops and experienced DIYers who need robust active testing and many service functions.
Pros and Cons
Pros:
- Large library of active tests and resets
- Responsive hardware and intuitive menus
- Good value compared to higher-end Autel models
Cons:
- May be overkill for casual users
- Some advanced OEM features still reserved for top-tier units
Customer Reviews
Customer Review: ‘Absolutely love my new scanner! Easy to use, well built, and It can perform so many more functions than my basic blue driver scanner, plus some extra testing features. I was able to use this to set the camshaft timing on my truck, and with advanced scanning and live diagnostics found out that I had ‘
Customer Review: ‘Just got the Autel MX808S scanner and I’m really happy with it! My buddy had the regular MX808, which was cool, but I needed the EVAP solenoid activation, and the S model does that no problem. It’s way easier to use than those phone apps with a dongle—those can be such a pain. The bidirectional stuf’
8. XTOOL D7 Bidirectional OBD2 Scanner, Ai-Assisted Full-System Diagnostic Tool, 36+ Resets, Injector Test, CAN FD, DoIP
The XTOOL D7 is a pro-leaning scanner with AI features, many resets, and strong live data tools. It feels premium and is handy when you want deep diagnostics without renting shop equipment.
Key Features That Stand Out
- ✓ 36+ service resets and injector testing
- ✓ AI-assisted diagnostics and full-system coverage
- ✓ CAN FD and DoIP support for modern vehicles
- ✓ Robust build and clear interface
Why We Recommend It
This one is aimed at serious DIYers and small shops who want near-pro features. It saves time with advanced tests and gives reliable data for troubleshooting complex faults.
Best For
Best for semi-professional users and DIYers who need pro-level diagnostics without a workshop price.
Pros and Cons
Pros:
- Extensive reset and test capabilities
- AI tools simplify complex diagnostics
- Solid hardware and modern protocol support
Cons:
- Higher price than entry-level scanners
- Some advanced features require familiarity to use effectively
Customer Reviews
Customer Review: ‘The Xtool D7 is a very powerful and comprehensive diagnostic tool with an 8 PID count for Live Data, with the option of a normal list of graphs or a 2D overlay of all 8 PIDs that allows the filtering out of non relevant PIDs to be able to focus on the freeze frame action of specific PIDs as they int’
Customer Review: ‘The XTOOL D7 scanner is a professional quality unit at an affordable price. As soon as I opened the box the quality was evident. From the comfortable easy to see menus and size and feel of the D7 scanner, to the quality of the cables, clarity of instructions right down to the padded custom storage’
9. Autel MaxiCOM MK900BT Bidirectional OBD2 Diagnostic Tool, 3000+ Active Tests, 40+ Service Functions, CAN-FD, DoIP, All-System
The Autel MaxiCOM MK900BT is a flagship-style tool that packs many active tests and service functions. Bluetooth makes it easier to work around the vehicle, and it supports modern protocols for newer cars.
Key Features That Stand Out
- ✓ 3000+ active tests and 40+ service functions
- ✓ CAN-FD and DoIP support for modern vehicles
- ✓ Robust wireless connectivity and workflow tools
- ✓ All-system diagnostics suitable for shops
Why We Recommend It
If budget allows, this Autel unit gives deep diagnostics and many service functions that justify its price for pros. It’s fast, stable, and built for frequent use.
Best For
Best for professional mechanics and busy independent shops that need broad OEM-level features.
Pros and Cons
Pros:
- Extensive test and service coverage
- Wireless convenience with strong performance
- Designed for heavy daily use
Cons:
- High cost compared to basic scanners
- Complexity may overwhelm casual users
Customer Reviews
Customer Review: ‘If you are looking for a good service tool and GREAT SERVICE AFTER THE SALE, this is the one for you! See below for details:The scanner MK900-BT arrived, and it was slightly used and already registered. I bought the unit on sale and Amazon does not have a replacement policy. They were going to si’
Customer Review: ‘I have been using the MK900BT scanner for several weeks and I am very satisfied with its performance. The Bluetooth connection is fast and stable, which makes work much easier without the need for cables. Scan barcodes accurately and quickly, even in low-light conditions or with slightly damaged lab’
10. KINGBOLEN Ediag Elite Bluetooth Bidirectional OBD2 Scanner, All-System Diagnostic Tool, 15+ Service Resets, CAN FD, FCA AutoAuth
KINGBOLEN Ediag Elite is a compact Bluetooth bidirectional scanner with lifetime updates and useful service resets. It’s handy for those who like phone-based control but still need robust reset options.
Key Features That Stand Out
- ✓ Bidirectional control and all-system diagnostics
- ✓ 15+ service resets including BMS and TPMS
- ✓ Lifetime updates and CAN FD support
- ✓ Compact Bluetooth form factor
Why We Recommend It
The Ediag Elite is great if you want a capable Bluetooth tool with broad reset options and lifetime updates. It’s simple to use and keeps getting better with updates.
Best For
Best for mobile mechanics and DIYers who want a small Bluetooth device with advanced reset and bidirectional features.
Pros and Cons
Pros:
- Lifetime updates add long-term value
- Solid bidirectional control for a compact unit
- Wide range of maintenance resets
Cons:
- Reliant on app ecosystem for some features
- May be less intuitive for users new to bidirectional testing
Customer Reviews
Customer Review: ‘The Ultimate Diagnostic Powerhouse (5/5 Stars)”I’ve used several scanners, but the Innova 5610 is in a league of its own. It’s not just a code reader; it’s a professional-grade diagnostic tool that saves me hundreds in dealership fees.What I Love:Bidirectional Control: This is the game-changer. I ca’
Customer Review: “This tiny little device is packed with ton of functions and works like a champ. I was able to connect the device to my car’s OBDII connector, download the app and instantly was able to sign up and run the diagnostics…was able to view the live data as well such as Coolant Temperature of both the se”
Complete Buying Guide for Best Obd2 Scanner Diagnostic Tool
Essential Factors We Consider
When choosing the best obd2 scanner diagnostic tool, we look at compatibility, supported protocols (CAN, CAN FD, DoIP), the number of systems covered (engine, ABS, SRS, transmission), and whether it offers bidirectional control. Ease of use, screen clarity (for handhelds), or app quality (for Bluetooth dongles) are also key. Finally, consider update policy—free lifetime updates extend a tool’s usefulness.
Budget Planning
Set your budget by how you plan to use the tool. If you only clear engine codes and check readiness, a $20–$60 Bluetooth dongle is sufficient. For service resets and ABS/SRS coverage expect $100–$300. For near-professional, bidirectional scanners and advanced active tests, budget $400 and up. Factor in software subscriptions if the vendor charges for advanced modules.
Final Thoughts
Match features to your needs: go compact and wireless for convenience, choose handhelds for simple all-in-one use, and pick higher-end bidirectional tools if you’ll do advanced diagnostics. The right scanner will save time and money and make troubleshooting less stressful.
Frequently Asked Questions
Q: What is an OBD2 scanner and why do I need one?
A: An OBD2 scanner reads diagnostic trouble codes from your vehicle’s computer, helps identify issues, and often clears warning lights. It’s a quick way to know whether a repair is minor or requires a visit to the shop.
Q: Can a Bluetooth OBD2 scanner work with any car?
A: Most Bluetooth scanners support OBD2 protocols for vehicles sold after 1996 (US). Always check the product compatibility and protocol support (CAN, CAN FD) before buying.
Q: What’s the difference between a basic code reader and a bidirectional scanner?
A: A basic code reader reads and clears codes and shows live data. A bidirectional scanner can send commands to components (activate solenoids, run tests) and perform advanced service functions—useful for in-depth diagnostics.
Q: Do I need internet or a subscription for updates?
A: Many scanners offer free updates, but some advanced features or OEM-level functions may require subscriptions. Check the vendor’s update policy before purchasing.
Q: How do I choose between phone-based and handheld scanners?
A: Choose phone-based (Bluetooth) if you prefer portability and live graphing on your device. Choose a handheld if you want a stand-alone, rugged tool that doesn’t rely on a phone app.
Choosing the right best obd2 scanner diagnostic tool comes down to how deep you want to go with diagnostics and how often you’ll use it. If you’re unsure, start with a reliable mid-range model and upgrade as your needs grow. Ready to pick one? Click any “Check Price on Amazon” button above to see current pricing and availability and get the scanner that fits your needs.