In the ever-evolving world of automotive diagnostics, finding the best bi-directional scan tool can significantly enhance your vehicle maintenance experience. These tools provide real-time data and the capability to interact with various vehicle systems, making them indispensable for mechanics, car enthusiasts, or those looking to perform DIY repairs. After extensive research, we have compiled a list of the top 10 bi-directional scan tools available on Amazon in 2025, along with an insightful buying guide.
Understanding Bi-Directional Scan Tools
A bi-directional scan tool is a sophisticated device that not only reads and clears diagnostic trouble codes (DTCs) but also performs active tests and commands. For instance, it can control various components such as fuel pumps, windows, and brakes, enabling mechanics to test and diagnose problems effectively. When selecting the right bi-directional scan tool for your vehicle, consider its compatibility, functionality, and user-friendliness.
Buying Guide for Bi-Directional Scan Tools
1. Compatibility
Ensure that the scan tool is compatible with your vehicle make and model. Most tools support a wide range of vehicles, but always check the manufacturer’s specifications.
2. Features
Look for features like:
- Live Data Streaming: Facilitates real-time monitoring of vehicle systems.
- Graphing Capabilities: Enables visual analysis of data.
- Special Functions: Examples include ABS bleeding, DPF regeneration, key programming, etc.
3. User-Friendliness
A well-designed interface will make your experience smoother. Opt for tools with a clear display and accessible options, especially if you are a novice.
4. Price
While high-end models offer extensive features, many mid-range tools provide adequate functionality at a reasonable price.
5. Customer Support
Check if the manufacturer offers technical support, updates, and robust customer service.
Now, let’s delve into our top 10 bi-directional scan tools available on Amazon in 2025.
Top 10 Bi-Directional Scan Tools
1. ANCEL FX2000
The ANCEL FX2000 is highly regarded for its user-friendly interface and comprehensive features. It supports more than 50 manufacturers and includes functions such as OBDII diagnostics, ABS/SRS, and live data streaming.
This model is perfect for DIYers and even seasoned mechanics who need a reliable tool to diagnose issues quickly. Moreover, its compact design makes it easily portable.
- 【PLUG AND PLAY - EASY TO USE】Get hassle-free car diagnostics with the ANCEL FX2000-US OBD2 Scanner Diagnostics Tool. This practical and versatile tool is easy to use and requires only 3 simple steps to connect to your car for diagnosis, without any complicated operations. Even beginners can use it to read data and understand fault codes with ease. What's more, this reasonably priced OBD2 scanner can help you determine if your car is ready for its annual inspection via the I/M readiness menu, saving you money and ensuring your safety
- 【5 IN 1 CAR DIAGNOSTIC SCANNER】Do you feel puzzled when the warning lights for transmission, ABS, SRS airbag, or check engine start flashing? The obd2 scanner engine/abs/srs/transmission car diagnostic tool can help you out. It conducts in-depth scanning to quickly pinpoint the problem components in your car with DTC definitions and turn off the warning lights once the vehicle's issues are resolved. This scan tool empowers you to understand your car better and perform your own repairs, saving you from the hassle of going to the autoship or spending extra on repairs
- 【FAST DIAGNOSTIC - ACCURATE DATA ANALYZE】The scanner para autos features Auto-VIN technology that automatically scans the vehicle info, but it's only available for specific models. You can also manually select the model for diagnosis. This scanner provides a live view of vehicle sensors in test and graph formats. With graphical displays, data logging, and DTC tips, you can quickly determine the cause of various trouble codes and generate a diagnostic report for printing or sharing with friends. *Clear fault codes ONLY after vehicle repairs.
- 【COVER 10000+ MODELS ＆ 60+ CAR MAKES】This obd2 scanner with abs and srs is designed to accurately monitor and diagnose problems on over 60 different car makes and more than 10,000 vehicle types. It supports most US vehicles from 1996 onwards(Not fit for Chrysler,US Ford,USA GM,Jeep,Dodge these car brands from 2018 onwards), most EU vehicles from 2002 onwards, most Asian vehicles from 2008 onwards, and most Japan cars after 2005 or newer OBDII and CAN vehicles, both domestic and foreign. Pls NOTE NOT support the heavy truck. To confirm compatibility, you can con-tact us via Amazon me-ssage. Select correct vehicle model menu & ensure no hardware/wiring issues for accurate results
- 【EXCELLENT EXPERIENCE】With a user-friendly UI, compact design and powerful hardware configuration, the FX2000 odb2 scanner making stable and smooth operation, which is an ideal scan tool for both DIYers and mechanics. The ANCEL scanner is suitable for both beginners and professionals as it displays the test results on the 4.0" TFT 262K true color display LCD and the data is very easy to understand. No car knowledge required. With FX2000 car scanner diagnostic tool, you can clearly read and understand the information that the device displays
2. Launch X431 V Pro
The Launch X431 V Pro offers cutting-edge technology with advanced features. It covers over 150 car brands and offers comprehensive diagnostics, including bi-directional control and special functions.
The robust design and excellent customer support add to its appeal, making it suitable for both professional use and serious car enthusiasts looking to invest in a top-notch tool.
- LAUNCH Most Desirable Tool:LAUNCH X431 Pro V5.0 Elite becomes OVER 200,000 mechanic's First Choice,with Upgrade DBScar VII VCI,Supports CANFD & DOIP,38+Special Functions,4000+Active Test,2 Yrs Update.
- Level Up Hardware 10X Faster than Ever:DBScar VII connector,8 In screen with 1280*800 display,2.4GHz+5GHz Dual Wi-Fi;6300mAh battery;4GB RAM+64GB ROM; 2.0 GHz+4-core CPU Processor,8X AUTO VIN,5.0 MP+8.0 MP Camera.
- Bi-Directional+Online Coding+Over 38 Reset Services+Active Test+ Adaptation+Initialization+Matching,You can get 100+ special functions under the"vehicle brand menu">"system" > "special functions".
- Best-Value Bi-directional,4000+ Tests:X431 V5.0 is the most cost-effective wireless bidirectional scanner for workshops and auto enthusiasts,keeps updating to support more newer models.
- We Always Got your BACK:Covering 99% Vehicles in the World up to 200+brands, 200,000+models,No-IP limitation. Also we provide 2 years free WiFi upgrade;5 years Back up ;Lifetime assistance.
3. Autel MaxiCOM MK808
The Autel MaxiCOM MK808 is an outstanding bi-directional scan tool that essentially combines power and versatility. With a user-friendly interface, this tool can clear codes from nearly all vehicle systems, provide live data, and perform active tests.
The long-lasting battery life and Wi-Fi connectivity make it a fantastic choice for those needing mobility without sacrificing functionality.
- 🔥🔥🔥【2025 NEWLY RELEASED BI-DIRECTIONAL CONTROL】As the 2025 upgraded version of MaxiChek MX808 MaxiDiag MD909 Pro MD906 Pro, our Newest MK808S auto diagnostic scanner for all cars inherits the powerful Bi-directional Control which makes it the most cost-effective scanner (without breaking the bank, same as MK900BT MS906 PRO MS906MAX). Active test is widely used on car subsystems to help you check if the car actuators are all in good condition. Such as windows, rear mirrors, sunroof, wipers...
- 【28+ MOST POPULAR RESET SERVICE FOR 150 MAKES】Autel versatile OBDII scanenr MK808S, full level-up of MX808, work as MX900, MK900, MK900-BT, supports 150+ car brands worldwide & FCA AutoAuth. Like the OBD2 code reader MaxiCOM MK808BT Pro, MK808S is equipped with 28+ hot services including Oil Reset, SAS Calibration, ABS Bleeding, Injector Coding, Battery Registration, etc. MK808S ranks top in professional automotive tablets and keeps updating to support more newer modes from 2024 to 2025.
- 【ALL SYSTEM DIAGNOSTICS, FACTORY-LEVEL SCANNER】The MK808S dealer-level scanner, like Snap-on tools, effectively works all cars for all system diagnostics. It reads/clears codes, provides ECU info, displays 5-in-1 Live Data, performs active tests, and special functions for all available modules. With a few clicks, you can easily understand the vehicle's condition. The convenient Wi-Fi printing feature allows you to generate a detailed report, highlighting the exact nature of the problem.
- 【AUTO SCAN & AUTOVIN, 10X FASTER】How much have you spent on car maintenance? Even a minor issue can take up a significant amount of time. The MK808S is designed to improve your work efficiency. With its AutoVIN technology, you can identify your car's make, model, and year information with just one click. The AutoScan feature automatically scans all of the vehicle's ECUs and detects any fault codes. Check AutoVIN compatibility by reaching us at 📞1-833-436-5880. Available Mon-Fri, 9 AM-6 PM EST.
- 【WHY MK808S STANDS OUT】✅Autel's escaner automotriz professional, MK808S, provides the same funcntions as the MK808BT PRO MK900 MK900-BT at a lower cost. MK808S not only helps you save on subscription expenses (124.5 USD vs. 150 USD) but also ensures flawless utilization of all functions even without updates. ✅As Autel's flagship model, MK808S is the upgraded version of the old MX808 MK808BT. It covers global coverage for 150 car brands, making it a versatile and cost-effective choice.
4. FOXWELL NT624 Elite
The FOXWELL NT624 Elite stands out with its wide-ranging vehicle coverage and multi-system diagnostics. It enables quick code reading and offers DTC definitions, which can be crucial for troubleshooting.
This tool is not only affordable but also offers great customer support, ensuring that you’ll have assistance when needed.
- 【OE-Level All-System Diagnostics – Dealership-Level Accuracy】FOXWELL NT624 Elite car scanner delivers deep, dealership-grade diagnostics across all major systems, just like high-end professional scan tools. The obd2 scanner scans and diagnoses modules such as Engine, Transmission, ABS, SRS, TPMS, Suspension, HVAC, BMS, EPB, SAS, Headlamp, and more. It reads and clears codes, retrieves ECU information, supports full OBDII diagnostics, and displays live sensor data in text and graph (e.g., oil pressure, coolant temp, transmission temp) , giving you a clear check of your car’s health in seconds
- 【8 Commonly Used Reset Services – Save on Every Garage Visit】This advanced code reader for cars and trucks includes ABS Bleeding, Injector Coding, Battery Registration, D-P-F Regeneration, SAS Calibration, Throttle Matching, EPB Reset, and Oil Light Reset. It’s perfect for home mechanics, garages, DIYers and workshops to complete post-repair calibrations or maintenance tasks with confidence. Note: Function availability varies by vehicle. Reach us before purchase for compatibility check
- 【Supports 10000+ Vehicles From 1996 to Newest 2023 Models】The NT624 Elite obd2 scanner diagnostic tool works on most OBDII & OBDI vehicles from 1996 to the latest 2022/2023 models. And this car code reader supports engine diagnostics, MIL check, I/M readiness test, EVAP system test, O2 monitor test, freeze frame review, onboard monitor test, and more. It helps you pass the annual test instantly and avoid costly dealer visits. Clearing codes requires underlying issues to be resolved
- 【No Hidden Fees – Lifetime Free Updates via Wi-Fi】Stop paying for yearly updates! This foxwell car scanner diagnostic tool includes lifetime free software updates via Wi-Fi, helping you save thousands repair fee in long-term repair and auto code reader tool costs. It also features intuitive hot keys and a user-friendly menu — ideal for DIYers, home users, hobbyists, auto shops, and beginner techs alike
- 【One-Click Auto VIN+ See Live Graphic Data Problems Before Dealers Cost You】With one-click Auto VIN, foxwell NT624 vehicle code reader identifies your vehicle instantly. No manual input needed. You can monitor key sensor data e.g., RPM, oil temperature, coolant, transmission pressure via 3-in-1 real-time display using enhanced PID text and graph views. Whether you're a pro or first-time scanner user, this auto scanner makes diagnosis clear and easy
5. Innova 6100P
The Innova 6100P offers a decent balance of features and price. It includes bi-directional testing capabilities, ABS, SRS diagnostics, and emission testing which is essential for ensuring your vehicle meets regulatory standards.
The ergonomic design and easy-to-use interface make it a favorite among DIY enthusiasts.
- MAINTAIN PEAK PERFORMANCE AND SAFETY ON THE ROAD - Easily find and fix the problem with your vehicle using the INNOVA 5610 bidirectional scan tool. This OBD2 scanner diagnostic tool provides real-time solutions to troubleshoot issues. Access OBD2 and OEM live data with ease, making it an essential car scanner diagnostic tool. Perfect for those seeking reliable car diagnostic scanner and code readers & scan tools for vehicles.
- PRO-LEVEL FUNCTIONALITIES - Use the INNOVA 5610’s Enhanced Data Stream to view live data for advanced systems like ABS, SRS, transmission, and engine. The Special Reset Function lets you use dealership-level re-learn procedures. This car diagnostic scanner is ideal for those needing a bidirectional scan tool or mechanic tools automotive for professional repairs. Compatible with select vehicle makes and models; not universal.
- COMMAND WITH BIDIRECTIONAL CONTROLS - The INNOVA 5610 bidirectional scan tool sends commands to test functions such as fuel pump on/off or retracting the electronic parking brake. With this car scanner diagnostic for all cars, you can operate like a pro. Ideal for those seeking a car code reader and reset tool or advanced fixd car diagnostic tool capabilities. Compatible with select vehicle makes and models; not universal.
- EASY TO USE - The INNOVA 5610 OBD2 scanner diagnostic tool supports English, Spanish, and French. Easily use this scanner for car on most 1996 - 2023 (2024 coming soon) OBD2 vehicles to verify repairs. Designed for ease of operation, it’s a dependable code reader for cars and trucks and check engine code reader. To confirm vehicle coverage, please utilize Innova's Coverage Checker.
- BUY AND DRIVE WITH CONFIDENCE - Backed by ASE-Certified support, this car scanner pairs with the RepairSolutions2 app, trusted by 4M users, for wireless OBD scanner functionality. With free updates and no subscription fees, this durable car computer diagnostic reader ensures you’re prepared for any repair. A must-have diagnostic scanner for vehicles.
6. LAUNCH CRP129E
With its four-system diagnostics and live data feature, the LAUNCH CRP129E is another excellent choice for both professionals and novices. It supports a multitude of vehicle makes and models and provides very user-friendly diagnostics.
The wireless functionality allows for flexible usage, and the clear display enhances usability.
- Upgrade to the CRP129E V2.0: Built on the robust data foundation of the CRP129E/CRP123E, this latest diagnostic tool offers a seamless experience powered by Android 8.1 OS for fast booting and startup, eliminating the frustration of waiting. Equipped with a quad-core processor and upgraded 32GB ROM, it provides ample storage and lightning-fast performance, boosting your efficiency by up to 65%. The 5-inch HD display with 1280x720 resolution ensures crystal-clear visuals, making every diagnostic detail easy to read. Dive into a smoother, faster, and more efficient diagnostic experience with the CRP129E V2.0
- Highly Recommended by Youtubers and the Press: This 4 systems OBDII Scanner is designed for home mechanics, DIYers, and professionals, offering comprehensive diagnostics for AT, ENG, ABS, and SRS systems. Access fault codes to identify troubleshooting steps and use all 10 OBD2 test modes to address emission issues, ensuring your vehicle passes its annual inspection smoothly. Routine maintenance with this tool can help prevent costly repairs, breakdowns, and accidents, keeping your older car running reliably. With its robust feature set, this scanner is anessential tool for maintaining your vehicle’s health.
- 12 Reset Services Car Scanner: LAUNCH CRP129E V2.0 is the upgrade version of CRP129E/CRP123E. The latest version adds 4 reset function again. Except for Oil/ TPMS/Brake/Battery Reset, SAS Calibration, Throttle Adaptation, D.PF Regeneration, Injector Coding, it adds ABS Bleeding, Ad blue Reset, A/F Setting, AFS Rest, more practical reset functions than LAUNCH CRP129E and CRP123E. For the cost you' re getting value from this handy car scanner to reset systems. Function menu varies by vehicle’s specifics
- 2025 NEW FCA AUTOAUTH and 100+ Car Brand Support, NO IP Limitation: LAUNCH CRP129E V2.0 introduces AutoAuth for 2017+ FCA vehicles (fit for Chrysler,fit for Jeep, fit for Dodge, fit for Fiat, etc.), covering over 100 brands and 20,000 models from 1996 to 2025. This includes diesel (12V only), gasoline, passenger cars, pickups, light-duty trucks, SUVs, and minivans. Designed for global use with no IP restrictions, this scanner supports a wide range of vehicle types.Also,main enhancements include the ability to share up to 50 images via email at once, up from the original limit of 9.
- AUTO VIN + Repair Help + Online Feedback +DTC Lookup: LAUNCH CRP129E V 2.0 OBD2 scanner has automatic VIN technology to identify the car without manual input. It will accurately pull the error codes, and then also tells you what the problem is. Online DTC Codes Search(online code definition Explanation search such as repair videos and code analysis); Operating skills; Automotive Technology handbook,Repair Case and How-to Videos.And if the problem still can not fix, please feedback online(Fix Issue by "Diagnostic Feedback" Assistance)
7. BlueDriver LSB2
The BlueDriver LSB2 is unique in that it pairs with your smartphone or tablet via Bluetooth. This app-based scanning tool provides advanced diagnostics and real-time data, offering a solid alternative to traditional scan tools.
Offering a wealth of information, from DTC definitions to repair reports, it is perfect for those who prefer a modern solution.
- [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.
8. Autophix V007
The Autophix V007 is a budget-friendly choice that does not compromise on quality. It supports various vehicle brands and offers essential functions like reading and clearing codes.
It fosters a simple yet effective experience, making it a great entry-level bi-directional scan tool for newcomers in automotive diagnostics.
- [Specially for VAG Vehicles] - AUTOPHIX V007 OBD2 code reader is specifically designed to diagnose Volkswagen Group 12-volt 16-pin vehicles, including VW(CC, EOS, Golf, GTI, Jetta, Passat, Phaeton, Polo, Rabbit, Sharan, Tiguan, Touran, Touareg, Beetle), Audi(A3, A4, A6, A7, A8, A5, Q3, Q5, Q7, R8, RS3, TT, RS, RS5, S4, S6), Seat(Leon, Ateca, Ibiza, Altea, Cushion, Cord, Alhambra), Skoda(Octavia, Rapid, Yeti, Kodiaq, Fabio, Superb), and other VW models. Kindly check your model before purchase.
- [Full Systems Diagnostic for VW] - This enhanced V007 code scanner can read and erase all trouble codes from all major systems, including Engine, ABS, SRS Airbag, Transmission, EPB, SAS, Immobilizer and all other systems on your VAG.
- [Special Functions] - Except that reading and clearing trouble codes of all major systems, it can also reset the oil, brake pad(epb service) and throttle position adaption. If you don't know how to do it, please contact us in time.
- [Plug and Use] - No battery needed, just plug it into the OBDII port and start diagnosis. A 2.4" LCD full-color screen with intuitive interface. We provide life time FREE software upgrade and 3-year warranty. Supports multi-language display (English, French, German, Russian, Spanish, Portuguese, Finnish, Swedish).
- [Wide Compatibility] - V007 supports All V/A Diagnositc protocols (KWP1281 KWP 2000 TP-CANBUS NEW UDS) and standard OBD II protocols (CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP 2000). It can also read and clear codes, turn off MIL (check engine light) and retrieve VIN information on non-Volkswagen vehicles.
9. OBDLink MX+
The OBDLink MX+ is an innovative tool that also connects to your devices via Bluetooth. Compatible with Android and iOS, it offers fast and accurate diagnostics.
The automatic updates feature ensures that your scans are always top-notch, and the extensive vehicle compatibility adds value to its performance.
- Turn your iPhone, Android device, or Windows PC into a professional-grade diagnostic scan tool
- Recommended adapter for FORScan, Torque, BimmerCode, Dashcommand, AlfaOBD, Carista, and many more
- Enhanced OEM support for Ford, GM, Mazda, Nissan/Infiniti, Toyota/Lexus/Scion, Honda, Hyundai, Kia
- Clear Check Engine Light and get more live parameters (ABS, SRS, TPMS, etc) than any other scanner
- Over-voltage and battery drain protection and included firmware updates
10. ThinkCar ThinkDiag
ThinkCar ThinkDiag is a mobile scan tool that supports diagnostics of multiple systems and brands. The extensive app offers a plethora of features, including bi-directional control.
Its compact design makes it highly portable, while its multi-language support caters to a diverse user base.
- 【🔧 15+ Advanced Reset & Calibration Functions】The Thinkdiag scanner provides 15+ professional maintenance functions, including:✔ Oil Reset | ✔ ABS Bleeding | ✔ Injector Coding | ✔ SAS Reset✔ TPMS Reset | ✔ BMS Reset | ✔ Transmission Adaptation | ✔ AFS Reset | ✔ Sunroof Calibration | ✔ Brake Reset | ✔ Suspension Relearn | ✔ Electronic Throttle Relearn | ✔ Seat Calibration | + More reset/relearn/calibrate/adaptive functions under automotive full systems diagnostic menu. Ideal professional OBD-II scanner for mechanics and DIY enthusiasts, Thinkdiag delivers factory-level diagnostics with adaptive relearn capabilities for precise vehicle servicing.
- 【🚗 Full-System Diagnostics OBD2 Scanner Bluetooth】 Thinkdiag OBD2 Scanner supports all Systems diagnostic function, it can read/clear DTCs, read live data, read control module information, actuation tests and maintenance functions for ECM, BCM, SRS, TCM, BMS, TPMS, SAS, A/C system etc... It works with most car models after 1996, cover more than 120+ car brands. All car make and reset software come with 1 year update without any charge, much valuable and powerful than other scanners in the market.
- 【⚙️ ECU Coding & Hidden Feature Activation】Thinkdiag diagnose obd2 scanner bluetooth allows you to match the replaced components with ECU, flash hidden functions for BMW, for GM, for Benz etc. Disable some annoying features, customize vehicle's settings to improve performance. No matter you are private owner or professional technician, Thinkdiag is a powerful and handy scanner in your repair tool list. ECU coding is not suitable for every car models, please check with us before purchse.
- 【🔄 Bidirectional Control & Active Testing】 Thinkdiag car code reader actuates solenoids and actuators for active testing, send commands to systems/components to test their real-time working status, without using manual vehicle controls which saves much diagnostic time and effort to identify malfunction causes. You can check windows, doors, mirrors, sunroof, fans, fuel pump and other parts working status by actuation test function.
- 【📲 Intelligent Diagnostic Tool with Auto-VIN】Thinkdiag Bluetooth OBD2 scanner makes your smart phone device become a professional vehicle diagnostic tool, it compatible with Android and iOS system. Auto-VIN function supports the Thinkdiag identifies the most car models automatically, if autovin failed, you can choose car info manually. Full system Vehicle health report will be automatically created after diagnosis, report can be shared. Live Data Stream combined 4-in-1 Graphing+Data Record better for monitoring vehicle performance and analyze the abnormal parameter.
Conclusion
Investing in the best bi-directional scan tool in 2025 can transform the way you approach vehicle maintenance, whether you are a professional mechanic or a DIY enthusiast. Each product on this list has been carefully selected for its functionality, reliability, and overall value. By considering the buying guide and reviewing the top 10 products, you will be well-equipped to make an informed decision that suits your specific diagnostics needs.
The right tool can save time, money, and unnecessary headaches, ensuring that you stay on top of your vehicle’s health efficiently and effectively.
Last update on 2025-08-31 / Affiliate links / Images from Amazon Product Advertising API | hishecozy.com is a participant in the Amazon Associate program and will earn from qualifying purchases.
