10 Best Car Scanner Diagnostic Tools [2025]
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Finding the best car scanner diagnostic tools can greatly enhance your vehicle maintenance experience. These tools help you identify issues quickly and accurately, saving you time and money. In this article, we highlight the top 10 car scanner diagnostic tools available in the market today, ensuring you make an informed choice for your automotive needs.
Top 10 Car Scanner Diagnostic Tools in the Market
Best Car Scanner Diagnostic Tools Review
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
- OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Note: AD310 is unable to scan vehicles that do not follow the OBD2 protocol.
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
- [Easy to Use--Work out of the box] + [FOXWELL 2025 New Version] FOXWELL NT604 Elite scan tool is the 2025 new version from FOXWELL, which is designed for those car owners who want to figure out the cause issue before fixing the car problem via scanning the most common systems like ABS SRS engine and transmission.The NT604 Elite obd2 scanner diagnostic tool comes with latest software, which can be used out of box. No need to waste time to download the software first.
- [Affordable] + [Reliable Car Health Monitor] Will you be confused what happens when the warning light of ABS/SRS/transmission/check engine flashes? Instead of taking your cars to dealership, this FOXWELL scanner will help you do a thorough scanning and detection for your cars and pinpoint the root cause. It will t-urn off the car warning light after the problem is fixed.👉TIPS: Airbag crash/collision data can NOT be cleared even if you replace the new airbag.
- [5 in 1 Car Diagnostic Scanner] Compared with obd scanners (50-100), NT604 Elite code scanner not only includes their OBDII diagnosis but also serves as ABS/SRS scanner, transmission and check engine code reader. When it’s an odb2 scanner, you can use it to check if your car is ready for annual test through I/M readiness menu. In addition, live data stream, built-in DTC library, data play back and print, all these features are a big plus for it. Note: doesn't support maintenance functions.
- [Fantastic AUTOVIN] + [No extra software fee] Through the AUTOVIN menu, this NT604 Elite car scanner allows you to get your V-IN and vehicle info rapidly, no need to take time to find your V-IN and input one by one. What's more, the NT604 Elite ABS SRS scanner supports 60+ car makes from worldwide (America/Asia/Europe). You don’t need to pay extra software fee.
- [Solid protective case KO plastic carrying bag] + [Lifetime update] Almost all same price-level car scanner diagnostic tool only offers plastic bag to hold the scanner.However, NT604 Elite automotive scanner is equipped with solid protective case, preventing your obd2 scanner from damage. Then you don’t need to pay extra money to buy a solid toolbox.
- Professional OBD2 Scanner Diagnostic Tool with Powerful Functions:OBD2 scanner code reader feature built-in 35901 OBD2 DTCs lookup library, As professional car scanner, the obd2 scanner diagnostic tool will help you to determine the cause of the engine light,read I/M readiness, Read & clear codes, turn off engine light or MIL, view freeze frame, retrieve vehicle VIN, battery voltage test, live data stream, onboard monitoring mode, and perform component testing etc
- OBD2 Scanner Built-in 35,901 DTC Lookup: The OBD2 scanner car code reader built-in 35,901 DTCs, the old model obd2 scanner diagnostic tool usually only have 3,000-10,000.the OBD2 Scanner of DTC library covers tens of thousands detailed fault code definitions that will quickly determine the fault cause and catch potential problems before they cost you a fortune. Besides, you don't need to google the meaning of each fault code.If you are looking to replace or upgrade an existing car code reader, this code reader is an excellent option.
- OBD2 Diagnostic Scanner Tool Compatible with 98% Vehicles And Multiple Languages: The code reader OBD2 scanner for cars is designed to be compatible with most vehicles manufactured after 1996 US-Based, 2000 EU-Based and Asian cars. If your car has a 16-pin OBD2 port and was produced within the specified timeline, it should be compatible with the code reader and the obd2 scanner diagnostic tool support for 10 languages: English, French, Spanish, German, Chinese, Russian, Italian, Japanese, Portuguese, Dutch, which make it easy to use for people from different countries.
- Car Scanner Diagnostic offers Convenient Data Printing:The code reader for car offers advanced features such as live data and DTC replay combined with printing function, Connect the OBD2 scanner to your computer to easily print fault data, empowering you to prevent random charges at car repair shops and save valuable time and money. Additionally, WEJOWE offer lifetime free upgrades for the device, ensuring you always have access to the latest features and improvements.
- Super Compact & What You Will Get: The OBD2 scanner tool is easy to carrying and storage,With each package, you will receive a canvas storage bag for convenient storage and a Type-C cable to connect to your computer.And Car Scanner Diagnostic offers Convenient Data Printing:The code reader for car offers advanced features such as live data and DTC replay combined with printing function, Connect the OBD2 scanner to your computer to easily print fault data, empowering you to prevent random charges at car repair shops and save valuable time and money.
- Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
- 2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
- ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
- [Pro OBD2 Scanner] - BlueDriver is the easiest way to scan and understand your vehicle like a professional mechanic. Read and clear your car’s trouble codes and check engine light.
- [Read & Clear All The Codes] - BlueDriver's enhanced vehicle diagnostics gives you access to information normally available only to mechanics on their OBD2 scan tools. Now you can read and clear ABS, Airbag, SRS, TPMS codes, and many more.
- [Get The Right Fix & View Live Data] - Much more than a car code reader, BlueDriver is a diagnostic tool. You’ll get unlimited repair reports with possible causes and fixes, plus real-time health monitoring while you drive with the live data feature.
- [Wireless & Bluetooth Enabled] - Say goodbye to wires. BlueDriver connects with Bluetooth via your phone/tablet to a sensor that plugs into your car's OBDII port. Get all of the capabilities of an expensive code reader & scan tool without any annoying wires.
- [User-Friendly App and Repair Videos] - BlueDriver gives you more ways to scan and fix your vehicle. Our iOS & Android app connects you to a large database of repair videos with step-by-step directions of repairs.
- [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. The fault code only can be cleared after repair finished by NT301, as like all the obd2 scanner's working principle.
- [Accuracy & Streams] 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. It's a basic code reader and doesn't support to scan and read codes about any car systems like ABS, TPMS, SRS, SAS systems. It also doesn't have any special functions like EPB reset/battery registration/oil reset/programming.
- [Worthy to Own] Recommended by most professional mechanics on Youtube. Codes analysis and Printer compatible. Unique PATENTED design, 2.8" color screen, F-ree Lifetime Update and 1-year seller assurance with EXCLUSIVE tech and service team.
- [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.
- [Home Necessity + Plug & Play] Open to global customers. No built-in battery required, so it's powered when connecting with car obd2 port or usb cable. No need to update before use. NT301 obd scanner is charged directly from the 16pin DLC in your vehicle. It is recommended as a necessity in your toolbox and great choice for Home and Autoshop Mechanics.
- WIDE COMPATIBILITY – Trusted by YouTube Star Scotty Kilmer. The AD410 OBD2 Scanner supports all 16PIN vehicles that comply with the OBDII protocol, including KWP2000, ISO9141, J1850 VPW, J1850 PWM, and CAN. This OBD2 code scanner compatible with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles. Multilingual support (English, German, French, Spanish, etc.), this car code reader is ideal for international users. Check compatibility with your vehicle model before purchasing. !!! Powered directly from your vehicle's OBDII connector, this diagnostic tool doesn' t need a battery or charger.
- CRITICAL FUNCTIONALITY – Quickly Read & Clear Fault Codes. The obd2 scanner diagnostic tool quickly reads and clears stored emissions-related codes, pending codes, and provides code definitions. With over 42,000 built-in DTC lookups, you can easily identify faults without the need for Google searches. Reset the MIL, check monitor readiness before smog tests, and understand your vehicle's health before costly repairs. !!! Note: Fault codes can be cleared after resolving the underlying issue, the code reader itself does not have a reset function.
- ENHANCED OBDII DIAGNOSTICS – Comprehensive System Testing. This engine obd2 scanner diagnostic tool offers advanced diagnostics, including testing of O2 sensors and EVAP systems. Perform a leak test on your vehicle's EVAP system and monitor the fuel tank's integrity. The O2 sensor test helps fine-tune the air/fuel mixture, improving fuel efficiency and reducing emissions—saving you money at the pump and reducing your car's environmental impact. !!! Note: The AD410 is only an engine code reader, it DOESN'T support other systems such as ABS, SRS, Transmission and others.
- QVGA DISPLAY & NEW UI – User-Friendly Interface. The OBD scanner for car boasts a 2.4 TFT true-color LCD display (262K) for clear, easy-to-read results. With an intuitive UI design, you can quickly access OBDII diagnostics, I/M readiness checks, DTC search, and setup options. No need to read a manual—this user-friendly auto diagnostic code scanner is perfect for beginners, mechanic and seasoned users alike.
- EASY TO USE – Locate the vehicle’s OBD-II port (typically found under the steering wheel, near the dashboard, or inside the fuse box). Insert the 16-pin connector firmly into the port to ensure a secure physical connection. Power on the vehicle (some devices require the engine to be running, while others only need the ignition turned to the ‘ON’ position)—then the item will work. The USB cable is only for updates and is not needed when connected to the vehicle.
- Save $1000s on unnecessary car repairs; Know exactly what’s wrong with your car and what it will cost to fix it before heading to the shop. FIXD helps you avoid costly trips to the mechanic by diagnosing over 7,000 issues, including engine trouble and on many vehicles, transmission, ABS, and more (features may vary by make/model).
- Try FIXD Premium (not required to use FIXD) for free; Access expert advice any time with our on-call team of mechanics, gain confidence before going to the shop with our data-driven repair cost estimates, and more, all backed by ASE-certified mechanics. Complimentary two week trial of FIXD Premium included with every app install.
- Detect 7,000+ car issues with FIXD OBD2 Scanner; Get real-time diagnostic reports and maintenance alerts. FIXD plugs into your car’s OBD2 port and pairs with the free FIXD mobile app (available on iOS and Android).
- Guaranteed to work with your car; FIXD works with practically all gas-powered cars from 1996 onward, and all diesel cars from 2006 onward, giving you peace of mind no matter what you drive.
- Automatically tracks routine maintenance; The app notifies you when it’s time to change your oil, tire tread, and battery, and stay up to date on your vehicle’s specific maintenance schedule.
- 2025 XTOOL D7 OBD2 Scanner – Enhanced Performance & Expanded Vehicle Coverage: The 2025 XTOOL D7 obd2 scanner diagnostic tool with bidirectional is perfect for both DIY enthusiasts and professional mechanics, offering faster diagnostics, longer battery life, and wider vehicle compatibility. Its upgraded 5000mAh battery (with 2500mAh 7.3V fast-charging) ensures all-day use. With new support for FCA, CAN FD, and DOIP, it covers more vehicle models. The enhanced V2.0 Diagnostic Report lets auto shops personalize reports with logos, customer details, and attachments, building trust, strengthening business identity, and providing personalized records for future reference
- Save $500+/Year with Pro-Level Diagnostics: Whether you're a DIYer, starting a repair business, or beginning work at an auto shop, XTOOL D7 car scanner offers advanced features typically found only in expensive professional OBD2 scanners - without the high price tag. With 4,000+ Active Tests & Bidirectional Pids, ECU Coding, 36+ Special Functions, advanced module resets like SRS Reset, OE-level All-System Scan (one-click), FCA AutoAuth, CAN FD, DoIP, data export, and 8 PIDs graphing, the D7 auto scan tool covers 100,000+ vehicles (excluding Indian models). Includes 3-Year updates and supports the XV200 endoscope to detect em!ssions and intermittent issues.
- Full Bidirectional Advantage Over Other Code Readers & Scan Tools: The XTOOL D7 automotive scanner offers true bidirectional control plus advanced bidirectional PIDs, letting you send commands to components like A/C clutches, fuel injectors, windows, fans and more, while monitoring sensor responses live to catch elusive issues (even those without warning lights). Unlike budget bidirectional obd2 scanners limited to basic active tests,the D7 car fault scanner gives you full bidirectional control to run ABS pump tests, throttle position, turn fan on/off and solenoid tests, etc. No guessing, no extra fees—just smarter diagnostics
- OE-Level Full System Car Diagnostic Scanner with 8 Live Data Graphs: The XTOOL D7 is a pro-grade diagnostic tool that gives you full access to all vehicle systems—just like Snap on scanners & the factory scan tools, it delivers deep, accurate diagnostics you can trust. Easily view live data streams, retrieve freeze frame, and run active tests to pinpoint issues fast. With the ability to graph up to 8 PIDs at once, you can spot performance trends and troubleshoot like a pro. Whether you're a mechanic or car owner, with the D7 auto scanner you can stay ahead of problems and keep your vehicle running at its best
- High-value Automotive Scanner Diagnostic Tool with 36+ Special Function, Resets, Relearns, Calibrations, Adaptations & Initializations: XTOOL D7 diagnostic tool packs 36+ common & advanced maintenance—skip the $150 fee for battery registration after replacement, throttle body relearn after cleaning, or TPMS resets post-rotation, Auto bleed after your pad changes, or Electronic Parking Brake. Need to reset your transmission after towing? Crank sensor relearn for GM or for Dodge? Done. D7 also covered advanced functions like Ad~blue Reset, VIN Write, and many more professional OBD2 scanner functions that we can't list here. Text us your VIN + what you need and we’ll check the compatibility
- [Brand-New ArtiDiag500] We've got everything you're looking for! Forget basic OBD2 scanners; TOPDON's ArtiDiag500 car scanner offers more. The all-new ArtiDiag500 not only includes full OBD2 functions and 4-system diagnostics but also provides DIYers with 6 maintenance services. The brand-new, cost effective AD500 is back in full swing!
- [4-System Diagnostics] DIY enthusiasts, take notice! Will these 4-system diagnostics be the treasure you've been seeking? The ArtiDiag500 code reader offers in-depth testing for the engine, transmission, ABS, and SRS systems, reading fault codes and data streams. It also visualizes real-time data in chart form, simplifying complex data for storage and future playback, aiding DIY users in problem detection.
- [6 Reset Functions] Hey, hang tight for a moment. With these 6 reset functions, the ArtiDiag500 has got you covered. It offers throttle adaptation along with reset capabilities for Oil, SAS, TPMS, BMS, and EPB. Seamlessly aligning the throttle, battery, tires, and brake pads with your vehicle, it also adjusts the steering angle and turns off the oil light. Looking to restore your car to its original condition? Look no further than the ArtiDiag500.
- [Multiple Functions] The Smart AutoVIN of this TOPDON OBD2 scanner keeps track of your manual selections for vehicle make, model, and year and directs you to the suitable diagnostics. Max 4 Live Data streams integrated for much easier data processing. Diagnostic feedback online with this diagnostic tool to help you get tough repair operations well-completed. Real-time car battery voltage monitoring identifies probable vehicle defects.
- [Global Support] Rest assured about compatibility with your vehicle and language – ArtiDiag500 currently supports 67+ car brands, 10,000+ models, covering most vehicles worldwide, and is available in 12 languages. Whether it's for your car or preferred language, there's an ideal choice for you. Plus, it's fully compatible with Android 11 for smoother use.
The Bottom Line
In summary, investing in the best car scanner diagnostic tools can simplify troubleshooting and improve your vehicle’s performance. With the right tool, you can easily access diagnostic trouble codes and other vital information. Choose from our list of top 10 options to find the perfect fit for your car maintenance routine.