10 Best Code Scanner of December 2025
List of Top Rated Code Scanner from thousands of customer reviews & feedback.
Updated On Dec 2025
1,968 Reviews Studied
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ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black Read Review
- Classic design, fast scan and clear trouble codes, even a beginner can use this unit to read the error code, find out what the problem is and perhaps fix it. Save money and time.
- Works on MOST 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports English, German, French, Spanish, Finnish, Dutch, Russian and Portuguese.
- Easily determines the cause of the check engine light. I/M monitor readiness test, turn off the MIL (check engine light) as well as view freeze frame data. Read hard (memory) / pending (intermittent) and historic codes and show definitions.
- The AD310 scanner is well built with a large LCD display (128 x 64 pixel) that has white backlight and contrast adjustment, indicates test results directly. No need any Batteries or Charger, gets the power directly from the OBDII Data Link Connector in your vehicle.
- It's equipped with a 2. 5 feet long cable and made of a very thick flexible insulator. There are 4 buttons on AD310. The Up and Down button for scrolling the menu, the Enter and Exit button allow for navigation back and entering menu.
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LAUNCH OBD2 Scanner CR319 Code Reader,Universal Automotive Engine Light Check Scan Tool Checks O2 Sensor and EVAP System... Read Review
- 💰【COST-EFFECTIVE CODE READER】The lowest price for the full obd2 function on the Amazon(the same functions need $40+). Unlike other car code readers, CR319 is an all in one car code scanning tool. An upgraded version from the more basic code reader with additional functions. All you need is to attach the wired connection and you can diagnose any car problem in seconds! Purchase this code reader, you will get 36-month warranty for any quality problems and 7 day 24 hours serve you.
- 👍【ENHANCED 10 OBDII FUNCTIONS】Being capable of performing 10 modes of OBDII diagnostic functions like Read/Erase codes, I/M Readiness, Data Stream, Freeze Frame, Vehicle Information, check vehicle emission-related monitors such as O2 Sensors, EVAP system etc. the creader CR319 is suitable for DIYers to efficiently troubleshoot the Check Engine Light and the diagnostic trouble codes.
- 🚗【WIDE VEHICLE DIAGNOSTIC& 7 LANGUAGES】The obd2 scanner works on most 1996 and newer OBD2 protocols vehicles sold in the US, Europe and Asia. Compatible with all OBD2 protocols CAN , ISO9141, KWP2000, J1850 PWM, J1850 VPW. And it has multilingual software for easier diagnostics: English, French, Spanish, German, Russian, Italian, and Portuguese.
- 🏢【DTC LOOKUP】This obd2 scanner built-in DTC library with a database of over 3000 code definitions, the OBD2 Scanner reads generic and manufacturer-specific trouble codes directly identify the code definitions on the screen, saving time searching online.Instead of paying a mechanic to have the DTCs read and MIL turned off, Fast read and clear the trouble codes(engine fault codes) , find out what the problem is and perhaps fix it.
- 📌【EASY TO OPERATE】Plug-and-Play code reader that allows you to test cars directly once you get it, very easy to use even for beginners. ✔No battery or charger is required as it directly gets power from vehicle DLC. ✔Shows live vehicle sensors data in text and graph format✔I/M Readiness check the state emissions readiness,you’re able to do it on your own, saving hundreds of bucks. . ✔With a compact size, easy to hold and carry.
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ANCEL FX2000 Vehicle OBD2 Scanner Automotive Car Code Reader Check Engine ABS SRS Transmission Diagnostic Scan Tool Read Review
- [ENHANCED 4 SYSTEMS DIAGNOSTIC TOOL] - FX2000 scan tool does not only include OBD/EOBD standard protocol diagnosis but also performs full detection on vehicles three mainly ECU's systems (ABS/ SRS/ Transmission), besides, it also can read/erase fault codes and turn off warning light in above four systems. Note: FX2000 scanner ONLY supports cars from 2005 and newer for ABS/SRS/ Transmission system testings.
- [FULL OBDII DIAGNOSIS] - Supports full OBDII test modes with advanced mode 4(Live PCM Data Stream in graphics formats), ability to Read/Clear DTCs and do smog tests including I/M readiness and O2 sensor tests, etc., that will keep your mind from worrying about car emission problems. It also supports read freeze frame data, EVAP system test, retrieves vehicle info, and more.
- [ADD-ON EXTRA FUNCTIONS] - Ability to graph, record, and replay live data streams for ENGINE, AT, ABS and SRS; Besides, it also comes with the added benefits of reading data streaming in one graph for various system, you can check the four parameters in the meantime which is intended to help you quickly find the vehicle potential problems.
- [WIDE VEHICLE COVERAGE] - Includes 46 vehicle makers of the OBDII test for a complete diagnosis. Works on most from 1996 US-based, 2002 EU-based, 2005 Asian-based or newer OBD II & CAN domestic or import vehicles. Support English, French, Spanish, German, Russian, Italian, Polish, and Portuguese.
- [WORTHY TO OWN] - Equipped with an intuitive interface, 4.0-inch TF color screen, smart Buttons design for easy to handling. We also support lifetime free updates online via a TF card on Ancel official website.
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FOXWELL NT624 Elite Obd2 Scanner Automotive All Systems Diagnostic Scan Tools Vehicle Code Reader for All Cars with Oil... Read Review
- 💰【An Essential Car Diagnostic Scanner for Car Ownner】The NT624 elite car scanner with obd diagnosis, all systems diagnosis and 2 commonest reset services (Oil Reset & EPB Service) features meets your automotive diagnostic needs from entry-level to professional. This auto scan tool is one of the best OBD2 scanners for DIYers on a budget that are looking for dealer level scanner but don't want to spend thousands.
- 👉 【Comprehensive Coverage】NT624elite is a full systems diagnostic tool provides diagnosis for all cars, SUVs, minivans, light-duty trucks sold worldwide. Performs diagnosis and read/clear codes for Engine, Transmission, Airbags, BMS, ABS, TPS, DPF, HAVC, TPMS, DSC, DME, DISA and all the other electronic control modules.
- 👉【Special Features】This auto scan tool equipped with the most commonly used service and maintenance, which allows you to get your investment costs back in minutes. Performs oil reset service on 49 car makes, deactivate/activate SBC/EPB systems service for 42 car makes.
- 👉【Full OBD2 Functions】This obd scanner supports all OBD II/EOBD car protocols and all 10 obd2 test modes including read error codes, clear codes, live data, O2 monitor test, on-board monitor test, EVAP test and vehicle information. Data playback and print are also available.
- 😃【Lifetime Internet Free Update】With internet access, you can always have the latest bug fixes, new vehicles, newly added parameters and functionality at your fingertips. Covers the lastest 2018/2019 car makes, works right out of box!
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BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android Read Review
- Read and clear your Check Engine Light and all other vehicle systems. Get your unlimited free vehicle specific Repair Reports, generated from our database of millions of fixes verified by Professional Automotive Technicians
- As easy to use as a code reader with all the capabilities of an expensive handheld scan tool, plus the benefits of your smartphone or tablet (free app updates, portability, saving data, interactive graphing of live data)
- Officially licensed and certified for Apple and Android devices
- The BlueDriver App and BlueDriver Sensor work exclusively with each other to ensure quality
- BlueDriver is the Professional OBD2 Diagnostic Scan Tool trusted by mechanics and developed by Professional Engineers in North America
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Autel MS309 Universal OBD2 Scanner Check Engine Fault Code Reader, Read Codes Clear Codes, View Freeze Frame Data, I/M R... Read Review
- TURN OFF CHECK ENGINE LIGHT: Autel MS309 OBDII scanner is an easy-to-use plug-n-play check engine code reader that read and clear codes. This little code scanner retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes and displays DTC definitions on the TFT color screen. It can check engine related fault codes, easily find out what caused the check engine light comes on, turn off MIL light(Malfunction Indicator Light).
- FREEZE FRAME DATA FOR ACCURATE DIAGNOSIS: This MS309 check engine code reader comes with viewing freeze frame function that enables you to retrieve data recorded in the ECU of the condition under which the fault occurs to figure out why the check engine light is on and cut down test drive cycle verification time. It includes important engine parameters such as RPM, vehicle speed, mass airflow, engine load, fuel pressure, short/long term fuel trim, engine coolant temperature and etc.
- READINESS STATUS TO PASS SMOG CHECK: The Autel MS309 car diagnostic scanner tool comes with I/M Readiness function to check the operations of the Emission System on OBD2 compliant vehicles. It includes vehicle-specific number of monitors like misfire monitor, fuel system monitor, comprehensive components monitor, O2 sensors, EVAP system and etc, making this OBD2 scan tool an excellent scan tool to help get your vehicle ready to pass the annual smog check.
- UNMATCHED COMPATIBILITY: Autel MS309 compact pocket code reader supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. This OBD2 code scanner is compatible with all OBDII-Compliant vehicles, passenger cars or light trucks, post 1996 in US, post 2000 for EU-based and Asian cars.
- RETRIEVE VEHICLE INFO: The Autel MS309 automotive OBD2 scanner enables retrieval of the Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs). This function is most useful to check whether the ECU matches your car when you are buying a used car. The MS309 auto car scanner comes with LIFETIME FREE software updates and is backed by 45 Day Money Back and 12 Months US Seller . Purchase now and go fix something!
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AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Check Engine Light for All OBDII Car After 199... Read Review
- ➤【CHECKING CAR ENGINE TOOL】 The OM126P Enhanced OBDII scanner can read and erase the trouble codes that can cause emission problems in your vehicle in seconds, turn off the MIL (check your car engine) and reset the monitor, build a DTC lookup library you can find the related code definitions to help you determine if your car needs repair, to save you time and money, and dramatically improve your car lifespan / performance.
- ➤【EASY TO OPERATE】The OM126P car diagnostic tool equiped with 2. 4" TFT 262K true color LCD display screen to indicates the test results , with the silicone keypad you can easy to access the each menu options, the I/M Readiness hot key can check the state emissions readiness and drive cycle verification,Also, a wealth of car information is retrieved to find out all about your car without hassle for recording, car tracking, buying matched parts etc.
- ➤【WIDE RANGE DIAGNOSE】 Work on all after 1996 and newer vehicles models in the USA(OBD II&CAN) or other imported vehicles. Quickly read and erase the DTC on all OBD II protocols vehicles: CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP2000 and support for 10 languages: English, French, Spanish, German, Russian, Italian, Finnish, Portuguese, Polish, Dutch, which make it easy to use for people from different countries .
- ➤【POWERFUL FEATURES】 Built-in 14 special functions in 1 car reader, read and erase stored emission related codes, pending codes, and show code definitions, data steam, freeze frame, on-board monitoring, and show the vehicle information,I/M reading,review the recorded DTC,review & print report. Support O2 sensor and EVAP system test, let you initiate a leak test for the vehicle’s EVAP system, identify trouble shooting related to fuel efficiency and vehicle emissions.
- ➤【WORRY-FREE SERVICE】 Plug & Play, no battery or charger required;OM126P OBDII diagnostic scan tool supports a lifetime free software updating and Review & Print diagnostic reports from the Auto fix ,via connect to a computer via USB (for Windows 7/8/10 ONLY), and we offer one year warranty , if you cannot comfirm its compatility, please feel free to consult us.
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Autel AutoLink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool Read Review
- FOR END USER & DIYERS: This error code reader is “plug and play” and comes with an easy interface. Even if you’re not familiar with vehicle repair, you can quickly take control of this code reader, and get the information you want.
- TURN OFF CEL: This car diagnostic tool supports reading DTCs, displaying Live Data, Freeze Frame & I/M Readiness etc to figure out the root cause of the Check Engine Light (CEL) and turning it off to help you detect any potential problems.
- EXTENSIVE APPLICATION: Compatible with 7 languages (English, French, Spanish, etc.) and various post-1996 OBD II protocol vehicles (Toyota, Nissan, Honda, Ford, etc.), this OBD2 scanner provides accurate and fast diagnosis for worldwide car owners.
- USER-FRIENDLY DESIGN: This check engine code reader features a patented One-Click I/M Readiness Key, TFT color display, built-in speaker, LED Indicator etc. The cable is long enough without being too long and getting in the way. No batteries are needed.
- HIGH-QUALITY SERVICES: 12 months warranty from the date of purchase and lifetime free update are offered by this Automobile OBDII scan tool. Welcome to contact us via Q&A, email, or hotline, and our after-sale-service team for technical support.
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FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light Read Review
- 【Vehicle CEL Doctor】The NT301 obd2 scanner enables you to read DTCs, locate bad O2 sensors, access to emissions readiness status, turn off CEL(check engine light) or MIL, reset monitor, read live data and retrieve VIN of your vehicle.
- 【Accuracy】Live data graphing and logging. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels equipped with Obd2. Graphing live vehicle sensors data allows you to focus on any suspicious data and trend.
- 【Worthy to Own】Recommended by Mechanic Scotty Kilmer on Youtube. Codes analysis and Printer compatible. Unique PATENTED design, 2.8" color screen, Free Lifetime Update and 1-year seller assurance with EXCLUSIVE tech and service team.
- 【Smog 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 emissions test.
- 【Home Necessity】Open to global customers. No battery required, NT301 obd scanner is charged directly from the 16pin DLC in your vehicle. It is recommended as a necessity in your toolbox and one of the best gifts for Home and Autoshop Mechanics.
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FOXWELL NT201 OBD2 Scanner Check Engine Light Car Code Reader OBD II Diagnostic Scan Tool(New Version) Read Review
- 😄【Full 10 modes OBD2 Car Diagnostic Scanner】Read and erase fault codes, retrieve I/M readiness and freeze frame data, show live data in the text and graph format, auto VIN acquisition, O2 Sensor and EVAP Test (Mode 8), advanced On-board Monitoring (Mode 6).
- 😄【On-Board Monitor Test】You can use the car scanner to diagnose the misfire and the live O2 monitoring to get an idea a misfire is coming from which bank and cylinder. This code reader car diagnostic tool will graph all the real-time streaming data it reads, including but not limited to Engine Coolant Temperature, Short Term Fuel Trim, Long Term Fuel Trim, Engine RPM, Oxygen Sensor Output .
- 😄【Wide Vehicle Coverage】 NT201 bi-directional vehicle check engine code reader will work on domestic and import vehicle, such as light-duty trucks (12v only), SUVs and mini-vans with standard OBD2/EOBD/JOBD&CAN protocol. European vehicles from 2000, American ones from 1996, and Asian from 2008.
- 😄【Deserve To Own】NT201 automobile code reader is built in speaker and 2. 4' TFT colorful LCD display screen, offers visual and audible indication for readiness verification. Unique dust-resistant surface makes this auto scanner tool stronger and more durable.
- 😄【No Worries】 Plug and play, no need any batteries, get power directly from OBD2 interface in your vehicle. Multilingual menu supports English, Spanish etc. Lifetime FREE upgrade to keep you stay current with the latest development of diagnosis.