Looking for the best OBD2 scanner under $300? This roundup narrows down top picks for DIYers and home mechanics who want professional-grade diagnostics without breaking the bank. Each choice below balances features, ease of use, and value so you can get reliable readings and useful reset functions quickly.
Quick Product Comparison
Our Top 10 Best Obd2 Scanner Under $300 Reviews – Expert Tested & Recommended
1. XTOOL D5S OBD2 Scanner for Cars and Trucks, 16 Resets, Crank/Throttle Relearn, EPB, CAN-FD
The XTOOL D5S is a full-featured handheld scanner that covers OBD2 basics and advanced reset functions. It feels solid in the hand and aims to simplify common tasks like EPB and crank relearn for both cars and trucks.
Key Features That Stand Out
- ✓ 16 reset functions (EPB, throttle, crank relearn)
- ✓ Full OBD2 diagnostics plus 4 main system scanning
- ✓ CAN-FD support for newer vehicles
- ✓ Clear touchscreen and quick code reads
Why We Recommend It
It balances advanced functions and ease of use. For the price, the D5S gives DIYers access to useful resets and real-time engine data without a steep learning curve.
Best For
Home mechanics who want a rugged handheld scanner with professional features for routine maintenance and troubleshooting.
Pros and Cons
Pros:
- Comprehensive reset functions for the price
- Responsive touchscreen and easy menus
- Built to handle both cars and trucks
- CAN-FD compatibility
Cons:
- Bulkier than simple Bluetooth dongles
- Software updates may require familiarization
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. BlueDriver Bluetooth Pro OBD2 Scan Tool for iPhone and Android, Diagnose Check Engine, ABS, SRS, 7000+ Issues
BlueDriver is a compact Bluetooth dongle that pairs to your phone to deliver mechanic-level reports. The app is polished and the unit gives enhanced data for many car makes.
Key Features That Stand Out
- ✓ Bluetooth connection for iPhone & Android
- ✓ Enhanced diagnostics and repair reports
- ✓ Reads ABS, SRS, and other modules on many vehicles
- ✓ Easy app interface with live data
Why We Recommend It
It’s simple to use and gives detailed repair guidance. If you prefer phone-based tools, BlueDriver is a reliable, compact choice.
Best For
Car owners who want a portable Bluetooth OBD2 tool with clear mobile reports and no bulky hardware.
Pros and Cons
Pros:
- Very easy phone integration
- Robust repair reports for many makes
- Saves trips to the shop for basic diagnostics
Cons:
- Dependent on the app for display
- Some advanced OEM features may be limited
Customer Reviews
Customer Review: “Been using mine for 3 years and it has been great. I leave it always plugged into my truck so that it is ready to use if I get a check engine light or even if I’m just curious about how the engine is running.It is well worth having, as it has saved more than its cost in not having to pay for diag ti”
Customer Review: “I have owned several scanners, this is by far the best. This connects to your OBD, you turn on the app on your phone and you are ready to rock. I am impressed by extra features that are usually only available on larger more professional models. I keep this in the car in case I am out or a friend run”
3. ThinkDiag2 All-System Bidirectional OBD2 Scanner for iOS and Android, CAN-FD, 15+ Resets, Active Tests
ThinkDiag2 packs advanced features into a small Bluetooth adapter. It supports CAN-FD and offers bidirectional testing for active commands from your phone.
Key Features That Stand Out
- ✓ CAN-FD protocol support for newer vehicles
- ✓ Bidirectional commands and active tests
- ✓ 15+ reset functions available via app
- ✓ Compact, phone-centered workflow
Why We Recommend It
For the budget-conscious buyer who still wants advanced features, ThinkDiag2 delivers. It’s especially useful for techs who want portable, phone-based active testing.
Best For
DIYers and technicians who want a feature-rich Bluetooth dongle without paying pro-level prices.
Pros and Cons
Pros:
- Supports modern CAN-FD vehicles
- Good set of reset and active test functions
- Lightweight and pocketable
Cons:
- Dependent on the phone app experience
- May require in-app purchases for some make-specific services
Customer Reviews
Customer Review: “The Thinkdiag2 Bluetooth OBDII Scanner is a professional-grade diagnostic tool that elevates the capabilities of your smart device to those of a seasoned technician. Notably, it’s the sole tool in its category to support CAN FD protocol vehicles, particularly advantageous for post-2020 GM models, st”
Customer Review: “If you’re a DIYer who wants to stop guessing which part to throw at a problem, or a tech who wants a powerful “pocket” size scanner. this is the one. I like my snap on but it’s nice having something for quicker diags that don’t really require the $5k scanners. It’s the first Bluetooth dongle I actu”
4. XTOOL Anyscan A30M V2.0 Wireless Bidirectional OBD2 Scanner, 26 Resets, All-System Diagnostics, EPB
The XTOOL Anyscan A30M is a wireless, phone-driven scanner with a broad reset list. It aims at users who want deep diagnostics and active controls from their mobile device.
Key Features That Stand Out
- ✓ 26 reset and relearn functions
- ✓ All-system diagnostics with bidirectional control
- ✓ Lifetime app updates included
- ✓ Stable Bluetooth connection for active testing
Why We Recommend It
It’s a great middle ground for people who want the power of a pro tool but prefer their phone as the display. The lifetime updates are a nice value add.
Best For
Car owners who want a future-proof Bluetooth scanner with lots of reset options and active tests.
Pros and Cons
Pros:
- Wide range of reset functions
- Good bidirectional capabilities via app
- Lifetime updates included
Cons:
- Setup can be slightly confusing at first
- Relies on phone app for full features
Customer Reviews
Customer Review: “The media could not be loaded.The XTOOL A30M has most (if not all) of the scan, monitor, and control functions to assist the home, or pro car mechanic to assess the condition of a vehicle’s onboard diagnostic info, with the additional capability of testing / energizing critical components in assorte”
Customer Review: “As a DIY mechanic, this Bluetooth OBD2 scanner has been very useful. It uses your phone as the display, which makes reading data and navigating menus much easier than a small handheld scanner. Setup took a little figuring out the first time, but after that it connects quickly and works reliably.The “
5. MOTOPOWER MP69033 OBD2 Code Reader and CAN Diagnostic Scanner for OBD-II Cars Since 1996
The MOTOPOWER MP69033 is a straightforward plug-and-play code reader with a clear LCD screen. It’s best when you want something simple and reliable for quick code checks.
Key Features That Stand Out
- ✓ Plug-and-play handheld with 2.8″ display
- ✓ Built-in DTC lookup library
- ✓ Supports a range of OBD-II and CAN protocols
- ✓ No batteries required — draws power from the OBD port
Why We Recommend It
It’s easy to use and gives quick code reads. For basic troubleshooting, this tool is fast and dependable.
Best For
Drivers who want a no-frills scanner to read and clear codes without apps or chargers.
Pros and Cons
Pros:
- Very easy to operate
- Clear screen and intuitive buttons
- Good value for basic diagnostics
Cons:
- Limited advanced features compared to app-based tools
- Small screen for viewing live data graphs
Customer Reviews
Customer Review: “⭐⭐⭐⭐⭐This OBD2 scanner works exactly as expected. It was very easy to use—just plug it into the car and it immediately reads the engine codes with no setup or app needed. The screen is clear, and the buttons are simple to navigate, even for someone with no mechanical experience. It helped me underst”
Customer Review: “Easy to use and works with CAN software as stated. You’d first have to verify what software your vehicle uses to determine its functionality. For my car it works well, very reasonable price.”
6. OBD2 Code Reader and Diagnostic Scanner with Reset, Mode 6/8, I/M Readiness for OBD-II Cars
This compact handheld scanner offers advanced readouts like Mode 6/8 and I/M readiness. It’s ideal when you need more detailed data without a phone app.
Key Features That Stand Out
- ✓ Mode 6/8 and I/M readiness checks
- ✓ Large built-in DTC library for quick lookup
- ✓ Wide vehicle compatibility
- ✓ Simple controls and readable display
Why We Recommend It
It gives more in-depth diagnostic info than basic readers while staying affordable. Great for users who like handheld devices with direct readouts.
Best For
Those who need advanced OBD2 functions (Mode 6/8) but prefer a dedicated handheld tool.
Pros and Cons
Pros:
- Comprehensive DTC lookup built-in
- Supports nearly all OBD-II cars
- Clear I/M readiness and mode tests
Cons:
- Not as feature-rich as full app-driven scanners
- Screen layout could be improved for long data streams
Customer Reviews
Customer Review: “I have tried several scanners before this one. This scanner works with my vehicle 1st try and is EZ peasy to operate. It worked on a 2003 Infiniti Q45 that other scan tools would not. Others that work via Bluetooth with cell phone would connect but were too complicated to quickly diagnose. This scan”
Customer Review: “Works very well with my Volvo. Has saved me money!Read more”
7. BluSon YM319 OBD2 Scanner with Battery Tester, Live Data, DTC Lookup, Freeze Frame, Cloud Printing
BluSon YM319 adds battery health testing and cloud printing to standard OBD2 features. It aims to be a compact diagnostic hub for everyday checks.
Key Features That Stand Out
- ✓ Battery tester and one-click battery health check
- ✓ Live data and freeze frame recording
- ✓ DTC lookup and cloud printing support
- ✓ Compact handheld form factor
Why We Recommend It
It’s handy if you want battery diagnostics plus engine codes in a small tool. The cloud printing feature helps if you want to keep records.
Best For
Owners who want integrated battery checks and cloud-backed diagnostics for record keeping.
Pros and Cons
Pros:
- Built-in battery testing
- Live data capture and freeze frame
- Cloud printing for saving reports
Cons:
- Some users report odd app behavior at first
- Limited professional-level features compared to expensive models
Customer Reviews
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Customer Review: “I like the battery check and simple reports. It’s easy to use, and I keep it in the trunk. Not fancy, but it helps me avoid unnecessary trips to the shop.”
8. Wireless Bluetooth OBD2 Scanner for iOS and Android, Performance Test, Live Data, Code Clear, App
This wireless OBD2 scanner focuses on performance tests and live data streaming to your phone. It’s simple and effective for quick checks while on the go.
Key Features That Stand Out
- ✓ Performance testing and live data display
- ✓ Easy app pairing for iOS & Android
- ✓ Fast code clearing and basic diagnostics
- ✓ Lightweight and portable
Why We Recommend It
It’s a convenient option for users who want quick live data and simple performance checks. The app is user-friendly and connects reliably.
Best For
People who want a low-cost Bluetooth scanner for performance checks and live monitoring on their phone.
Pros and Cons
Pros:
- Good live data visualization
- Fast and lightweight
- Works with both iOS and Android
Cons:
- Feature set is basic compared to pro tools
- Some car models may show limited module data
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.”
9. LAUNCH Creader Elite V3.0 OBD2 Scanner for Honda and Acura, Bi-Directional, Full-System Diagnostics, Battery Registration
LAUNCH Creader Elite V3.0 targets Honda and Acura owners with full-system diagnostics and battery registration. It runs Android OS and offers solid hardware for in-depth checks.
Key Features That Stand Out
- ✓ Bi-directional control and active tests
- ✓ Full-system diagnostics for Honda/Acura
- ✓ Battery registration and maintenance functions
- ✓ Upgraded hardware and software for speed
Why We Recommend It
It’s tailored to Honda/Acura models and offers strong bi-directional features at a reasonable price. Good for focused owners and small shops working on these brands.
Best For
Honda and Acura owners who need brand-specific diagnostics and active test functions.
Pros and Cons
Pros:
- Strong brand-specific support for Honda/Acura
- Bi-directional tests and battery registration
- Faster performance with upgraded hardware
Cons:
- May be overkill if you only need basic OBD2 reads
- Some features may be brand-limited
Customer Reviews
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Customer Review: “Solid device for Honda diagnostics. The screen and controls feel like a pro unit. Setup took a minute but it runs well and the battery registration works as expected.”
10. XTOOL Anyscan A30D Wireless Bidirectional OBD2 Scanner, 19 Resets, Crank Relearn, Full-System Diagnostics
The XTOOL Anyscan A30D brings a large set of reset tools and bi-directional control into a compact wireless design. It’s suited for serious DIYers who want many functions without a subscription.
Key Features That Stand Out
- ✓ 19 reset functions including crank relearn
- ✓ Full-system diagnostics and active tests
- ✓ Wireless connectivity with phone app
- ✓ No subscription fees for many core features
Why We Recommend It
It’s a solid option for those who want broad maintenance functions without paying extra. The app integration is smooth and useful for troubleshooting.
Best For
DIY enthusiasts who want extensive reset and relearn functions in a wireless package.
Pros and Cons
Pros:
- Wide reset coverage for maintenance tasks
- Good app-driven workflow
- Cost-effective versus shop-level tools
Cons:
- Build quality is lighter than heavy-duty handhelds
- Some features can be model-specific
Customer Reviews
Customer Review: “XTool A30DI recently purchased the XTOOL Anyscan A30D wireless scan tool. I already have theXTOOL IP608, which has been great. It has helped me to pin point some issues I was havingwith a vehicle throwing codes, that had nothing to do with the sensor that was bad.I wanted a device with some bi-direc”
Customer Review: “So far so good, it’s app it’s quite easy to navigate, and provides a lot of information, the license does not expire, and the integration of a small lantern on the obd reader is a plus when working on the night or dark spaces, totally satisfied with it.The only con might be quality of the constructi”
Complete Buying Guide for Best Obd2 Scanner Under $300
Essential Factors We Consider
We look at compatibility, feature set, ease of use, and long-term value. Compatibility means the scanner works with your car’s protocol and systems. Features like live data, I/M readiness, and reset functions add real value. A friendly app or clear handheld UI helps you understand issues fast.
Budget Planning
Under $300 gives you a lot of options. Expect handheld scanners with reset functions and Bluetooth dongles that pair to phones. If you want bi-directional controls and many relearn functions, prioritize a unit with lifetime updates or strong app support rather than chasing a marginal price drop.
Final Thoughts
Choose a scanner that matches how you work: a small Bluetooth dongle for casual checks, a handheld for no-phone operation, or a phone-driven bidirectional unit for advanced tests. Focus on compatibility and the reset features you actually need to avoid paying for unused extras.
Frequently Asked Questions
Q: What makes a scanner the best obd2 scanner under $300?
A: The best scanner blends broad vehicle compatibility, useful features (live data, resets, mode tests), reliable updates, and easy-to-use software or UI. Balance features with the car systems you own.
Q: Do Bluetooth OBD2 scanners work as well as handheld units?
A: They can. Bluetooth dongles pair with your phone which provides a flexible display and frequent app updates. Handheld units avoid phone dependency and can be simpler for some users.
Q: Will these scanners work on older cars?
A: Most scanners listed support standard OBD-II protocols used since 1996 in the U.S. Always check the product compatibility notes for specific makes or older models.
Q: Do I need a subscription for advanced features?
A: Some models require paid add-ons for OEM-level features. Many of the picks above include key reset functions without subscription, but always verify which services are free.
Q: How do I pick between reset functions and live data?
A: If you do maintenance (EPB, crank relearn), prioritize reset-capable tools. If you diagnose intermittent issues, live data and freeze-frame features will help you trace problems faster.
Thanks for reading — choosing the right best obd2 scanner under $300 comes down to matching features to your needs. If you want a simple, phone-based tool, go with a Bluetooth option. If you prefer a dedicated device, pick a handheld with the reset functions you use most. Click the links to check current prices and decide which model fits your workflow best.
