TOP-RATED BY Car and Driver
“The Ancel BD310 is our choice as the Best Display OBD-II Scanner for DIY Use. We loved the scanner’s happy medium between corded and Bluetooth capabilities and felt the app’s interface was excellent. You can use it with just the corded interface or connect it via Bluetooth and use the free app to access more data, diagnostic resources, and performance test…… , and it provided many of the perks of expensive scanners while staying affordable.”
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EASY-TO-USE SMALL TOOLS
FASTER THAN BLUETOOTH, SMARTER THAN WIRED – A TRUE 2-IN-1 OBD2 SCANNER FOR DIY DRIVERS. Recognized in Car and Driver’s 2026 testing as a top pick for DIY diagnostics and ranked among top performers for five consecutive years, the ANCEL BD310 combines wired instant scanning with Bluetooth app features. The phone-style handheld design with magnetic vent mount enables fast boot-up, hands-free use, and quick access to codes, live data, and performance tests
END THE CHECK ENGINE LIGHT – KNOW WHY, FIX SMART & CLEAR WITH CONFIDENCE. Stop guessing what that warning light means. The BD310 car scanner shows plain-English fault code explanations with built-in DTC Lookup linked directly to Google Search, helping you find trusted repair info fast. Clear the code after repair and confirm the issue is resolved—so you drive away informed, confident, and in control
YOUR AT-HOME SMOG CHECK ASSISTANT – KNOW BEFORE YOU GO. Run I/M Readiness checks at home to see if your vehicle is emissions-ready before inspection day. Verify O₂ sensor status, detect EVAP-related issues, and confirm all monitors are set—avoiding wasted trips, surprise failures, and last-minute stress at the testing station
BEYOND BASIC SCANNERS – BLUETOOTH FEATURES OTHERS DON’T OFFER. Go further than basic code reading. Monitor battery health with live voltage graphs, run real-time performance tests, and track trip data like speed, braking, and coolant temperature. Save, export, and share diagnostic reports instantly with your mechanic—all inside our free, easy-to-use app with no subscriptions or hidden fees
KEEP EYES UP – TURN LIVE DATA INTO A SMART DRIVING DISPLAY. Switch to HUD mode to project real-time RPM, speed, and key stats onto your windshield. Customize your dashboard layout and data views to stay informed without taking your eyes off the road—making daily driving safer, smarter, and more engaging
ALL 10 OBDII MODES – FULL ENGINE DIAGNOSTICS, CLEAR LIMITS. Scan and clear engine fault codes, view live data, read freeze-frame info, run EVAP and O₂ tests, check I/M readiness, and generate diagnostic reports in seconds. Supports all 10 OBDII/EOBD modes for comprehensive engine diagnostics. Note: ABS, SRS, and transmission codes cannot be cleared
Ryan L. –
Good balance between usability and professional
I don’t know how but this scanner does the job right, I think it’s UI and data it presents are very good and well thought out. Sure, the numbers are confusing but it’s just a quick google search. I think it connects well between phone and car. Pretty good and I needed it to diagnose something, did just the thing I needed it to and now it’s used to track numbers. Great for its price!
Abdul Wasay Mansoor –
Really Handy, App is very useful, connects fast
Used this on a dozen cars i checked in 12 months. Very handy, just connect it to the old port and switch ON bluetooth on the phone, open the app in the phone and see all the details.And it saves that report in your phone and you can refer that scanned vehicle health status later aswell.Some dealers asked me about this scanner as well. Buy this Bluetooth Scanner much user friendly than regular scanner.
Andrew M. –
Good tool, instructions could be better.
Scanner works well, but the instructions could be clearer. Be sure you down load the on-line manual.
N. Plumley –
Handy for the DIYer
I try to do as much of my own vehicle maintenance as I can, and this has been an awesome help. I can see that it’s not a high priced snap on or other “premium” brand, but I don’t need it to be. It gives me the insight I need to help diagnose my vehicles and for the price, I think it’s great.
SW –
Great DIY tool.
I have used this reader on a 2019 Ram gas and a 2023 Ram Cummins. Works very well on both and gives you a lot of diagnostic information. Works very well for a diy kind of guy.
Mike B. –
Great way to diagnose error codes on cars. App has many capabilities.
Easy to use with phone interface. Small enough to take on trips with my 20 year old cars. Has saved me plenty of money by identifying the most likely issue. You still have to do the repairs yourself.
Alex Thomas –
Not Helpful Device for Someone Who Doesn’t Know Engines
—I bought this device to help me determine if my older car would pass the smog test and to periodically test my battery.Also, the product description said that it was easy to use (basically anyone can use it)—well I must be an idiot because I can’t figure it out).—I have found that unless you are familiar with how a car engine works, this device is useless for you.—the instruction book is useless. There is very little instruction in it.—after many minutes of trying to get the device to connect to Bluetooth and diagnose my engine, I am giving up.—I contacted ANCEL customer support several days ago for help. And guess what?, they ghosted me.—I also watched several Google how to videos for this product, and they all liked it, but there was no helpful information for someone like me.
Patrick M. McClure –
Great little coder reader and clears codes as well.
Has helped me a lot diagnose my Land Rover and get things figured out. I have no issue recommending for the price. If you want anything beyond resetting codes, getting sensor data, getting trouble codes you need a higher caliber device. But this has been a real help as I piece together my Land Rover.
Mohammad Ibrahim –
It’s simple but gives slots of information about the car. Only drive back the button side got broken after few uses, but still the rest works perfectly. Still I will give it 5 stars
Cemal Tezcan –
Super Danke
David –
No entiendo las reseñas positivas de este producto. Lo he probado en 3 coches diferentes, uno mío y dos de amigos, todos con problemas y testigos encendidos, y todos más recientes que 2007. En ninguno de ellos ha encontrado ningún problema, y uno de ellos tenía medio motor desmontado. El producto simplemente no funciona, te lee las revoluciones y poco más, y para eso ya tengo el cuadro. Es fácil de conectar al móvil e intuitivo, pero si no hace su función, es un pisapapeles muy caro
MichaelA –
This arrived promptly, connected so fast and worked better than I expected.So easy to use with very clear and detailed instructions, graphics and an intuitive interface.I knew I needed this, but put off buying it for so long.I am so glad I can do what all the techies can do now.
ndrogolo –
l’ho testato e aggiornato. davvero utile. app completa