Top 10 OBD2 Code Reader

Discover our curated selection of high-quality products.

Last update: 12-07-2026

Best Diagnostic Tools overall →
1
MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars
MOTOPOWER

MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars

  • 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. 【Refer to the Compatibility Guide to see if the scanner supports your car. 】
  • LCD Display - Designed with a clear display LCD screen (128 x 64 pixels) - 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.
  • Screen Protecting Film - There’s a transparent screen protecting film on the screen surface. If any scratches on the film, just tear off the screen protecting film. If any more problem on the screen, just contact our customer service for replacement directly.
  • Connection Guide - Plug the scanner into the OBDII port on your car, turn on the ignition and then press the OK button to make the connection. To view the live data, please start the engine. If connection failure, please contact motopower directly for assistance.
  • Erase Codes - When you find the fault codes, please fix the problem before erasing the codes. If the codes erased without the problem fixed, the engine fault light may turn on again in the future.
  • Please make sure refer to the Compatibility Guide to see if the scanner supports your car. If you have any question, please contact the seller directly for assistance.
9.3/10
Editor's Pick
Available at Amazon
2
ANCEL AD310 OBD2 Code Reader OBD2 Scanner Universal Car Engine Fault Code Reader, Car Diagnostic Tool for All OBD Vehicles since 1996 & Newer (Black)
ANCEL

ANCEL AD310 OBD2 Code Reader OBD2 Scanner Universal Car Engine Fault Code Reader, Car Diagnostic Tool for All OBD Vehicles since 1996 & Newer (Black)

  • 【Warm Tip】ABS/Airbag/SRS Codes NOT Supported, AD310 just supports the engine system diagnosis.
  • CEL Doctor: The ANCEL AD310 is one of the best-selling OBD2 code reader 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, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information. Instead of taking car to mechanic shop, you can use it to check the trouble code and show code definition by yourself.
  • 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 device 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 obd 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. If you want to find out the cause of the check engine light, 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. This is not the case with the AD310 obd reader 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. Check compatibility with your vehicle model before purchasing.
  • 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.
  • 【Please Note】Dear customer, if you are not pleased with your AD310 and choose to return it, please kindly mark it unsellable to avoid an used one is resold again to other customers. Appreciate very much!
  • 【KINDLY NOTE】Any car brand logo and brand name of car brand appeared in the detail page is to descripe the item is compatible with vehicles. We are not selling products manufactured/sold by any car brand.
9.1/10
Available at Amazon
3
Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android
Vgate

Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android

  • ● WORK WITH MANY OBD2 APPS - Vgate iCar Pro Bluetooth Low Energy device works with most popular OBD apps such as Torque, Car Scanner, OBD Fusion, OBD Jscan, BimmerCode, etc which can turn your i-Phone or Android phone/tablet into a sophisticated car scan tool.
  • ● CAR COMPATIBILITY - 12V petrol vehicles made in the U.S. compatible with standard OBD2 protocols after 1996, 12V Light diesel vehicles with a load of 6.5T or less supporting the OBD2 protocols after 1996. Do not use on a 24V power diesel cars.
  • ● SIMPLE OPERATION - Compatible with iOS (no Bluetooth pairing needed; connect in the app) & Android devices. No complex settings or tricky connections plus much lower power consumption compared to WiFi OBD2 code reader, and it does not block internet access for other apps.
  • ● LOW POWER CONSUMPTION - Vgate iCar Pro Bluetooth4.0 adapter supports auto sleep & auto wake and consumes as low as 3MA when sleeping, which helps save car battery power. Note: auto wake for electric and hybrid vehicles is not supported. Requires reinsertion to wake up.
  • ● SMALL COMPACT DESIGN - Easy to plug in and unplug in your car OBDII port. The majority of cars made in the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the Vgate iCar Pro Bluetooth in.
  • ● SUPPORT UPGRADE - Support for upgrading product firmware on phones and Windows PC. Please contact Vgate team.
8.8/10
Available at Amazon
4
TOPDON CarPal-A OBD2 Code Reader Bluetooth, All System OBD2 Scanner for iOS & Android, Vehicle Health Check, 6 Maintenance Services, Smog Check, Repair Guide, 1 Year Free Update
TOPDON

TOPDON CarPal-A OBD2 Code Reader Bluetooth, All System OBD2 Scanner for iOS & Android, Vehicle Health Check, 6 Maintenance Services, Smog Check, Repair Guide, 1 Year Free Update

  • OBD2 Bluetooth Scanner: TOPDON CarPal is an ultimate wireless diagnostic tool for family car maintenance, this single scanner can seamlessly connect with up to three different vehicle brands, making it the perfect solution for multi-car households. Just a single click, you can perform a thorough check-up of all the vehicle systems, quickly locate and identify problems, and stay informed about the vehicle's health at any time.
  • Comprehensive Care, Worry-free Driving: Delivering complete all system diagnosis, from the engine and transmission to safety systems like Airbags and ABS, CarPal covers every critical system in your vehicle and keeps them functioning smoothly. Besides, this OBD2 code reader streamlines the diagnostic process by reading and clearing trouble codes with one tap, ensuring a more accessible and efficient diagnosis with minimal effort.
  • 6 Resets Transform Maintenance Routine: CarPal supports 6 most commonly used reset services, including Oil reset and TPMS reset for effortless daily maintain, EPB reset and BMS reset for step-up protection, Throttle Adaptation and DPF Regeneration for advanced care. The user-friendly diagnostic tool simplifies car care for everyone with essentials that keep your car in optimal condition without the high costs or professional equipment.
  • Designed for Entry-level Users: No more confusion about car faults or warning lights. With immediate access to an extensive library of professional repair information, you can quickly understand what's wrong and what needs fixing. Uncover potential issues without needing technical knowledge, receive reliable engine trouble instructions right on your phone to tackle repairs easily and stay up-to-date with the original manufacturer features for better maintenance.
  • Beyond Diagnostics: Unlock your vehicle's full potential with performance testing and discover how quickly your car goes from 0 to 60 mph—ideal for drivers curious about their car's capabilities. Conduct emissions tests with the Smog Check to make necessary adjustments before inspection, saving both time and money, view live data in easy-to-understand graphs to get real-time insights into your car's performance and make records for in-depth analysis.
  • Reliable Partner in Automotive Solutions: You can enjoy all features free for the first year, then auto-renew at $29.99/yr. This car diagnostic scanner supports more than 90 vehicle brands, ensuring extensive compatibility. Visit our website or contact customer service to confirm compatibility before purchase. Each CarPal comes in secure, disposable packaging, guaranteeing new product integrity. Plus, we offer hassle-free returns should any issues arise.
8.7/10
Available at Amazon
5
TOPDON CarPal A, OBD2 Scanner, All System Diagnosis, Wireless Bluetooth Diagnostic Tool, Vehicle Health Check, Smog Check, Repair Guide, Engine Inspection, Vehicle Performance Test
TOPDON

TOPDON CarPal A, OBD2 Scanner, All System Diagnosis, Wireless Bluetooth Diagnostic Tool, Vehicle Health Check, Smog Check, Repair Guide, Engine Inspection, Vehicle Performance Test

  • [Easy OBD2 Bluetooth Scanner, Complete Car Insights] Enjoy peace of mind with our comprehensive vehicle health check. From engine to steering, CarPal covers every crucial vehicle system and meticulously evaluates your car's health and enables read/clear codes with one tap. Understanding engine status has never been easier. CarPal indicates the severity of faults (severe or minor), and each code comes with tailored repair instructions to help you prioritize repairs and make informed decisions.
  • [6 Essential Maintenance Functions] Take your vehicle maintenance to the next level with CarPal. This advanced diagnostic tool offers 6 of the most common reset services to keep your car running at its best. Start with features like Oil Reset and TPMS Reset to manage your vehicle's routine needs, and BMS Reset and EPB Reset for smoother driving. Throttle Adaptation and DPF Regeneration maintain optimal engine efficiency.
  • [Advanced Care, Save Time and Money] The Battery Test feature monitors real-time voltage and tracks battery performance to stay ahead of potential issues and maximize battery longevity. Our Smog Check allows you to perform a pre-test of the vehicle emissions, ensuring you pass your annual inspections. And for those who crave speed, the Performance Test measures your car's 0-60mph acceleration, giving you a clear picture of the vehicle’s capabilities.
  • [Your Car's Health, Perfectly Monitored] CarPal is designed to make vehicle maintenance straightforward and efficient. With smart AutoVIN for rapid identification, you can easily connect to your car without manual inputs. The live data will be visualized in various formats, including graphs, numerical values and gauge displays, and clear 4-in-1 data graphs, making it effortless to monitor real-time performance. The data record/report enables playback and further analysis.
  • [Mobile Mechanic for On-the-Go Car Care] Featuring Bluetooth 5.0 technology, CarPal provides a stable wireless connection with no-cable convenience in a range of up to 33ft/10m, ideal for you to diagnose from a comfortable distance. This diagnostic tool is compatible with Android 7.0 or above and iOS 11.0 or above, transforming a phone into an easy-to-use scanner. Along with a compact body that fits in a pocket or toolbox, CarPal will be your vehicle health partner on the move.
  • [One-Stop Solutions for Simplified Repairs] TOPDON’s CarPal delivers everything you need for efficient and accurate repairs. Instantly access detailed DTC repair guides, stay updated with the latest Technical Service Bulletins (TSBs), and easily locate your vehicle's diagnostic port. Additionally, the comprehensive Warning Light Library provides clear explanations, potential causes, and recommended actions for all dashboard lights.
  • [What You Will Get] Package includes: CarPal*1, Quick Start Guide*1. CarPal's multilingual support—covering English, French, German, Spanish, Portuguese, Russian, Japanese, Korean, Italian, Traditional Chinese, and Chinese—ensures you receive top-notch support in your preferred language. Plus, we offer premium after-sales service to ensure your complete satisfaction. The customer support team is always here to provide timely and professional assistance.Tips: Cannot support 32-bit cell phones.
8.6/10
Bestseller
Available at Amazon
6
FOXWELL NT301 Car Engine Fault Code Reader, OBD2 Scanner with Enhanced 10 OBD Modes, I/M Button, O2-Sensor & EVAP Test, Engine System Diagnostic Tool for All Cars Used OBDII/EOBD Protocols After 2000
Foxwell

FOXWELL NT301 Car Engine Fault Code Reader, OBD2 Scanner with Enhanced 10 OBD Modes, I/M Button, O2-Sensor & EVAP Test, Engine System Diagnostic Tool for All Cars Used OBDII/EOBD Protocols After 2000

  • 🚕🚕【Upgraded 10 OBD2 diagnostic functions】The FOXWELL NT301 obd2 code reader offers 10 OBD functions (✅ 6 basic + ✅ 4 advanced): ① read fault codes, ② erase fault codes, ③ Check I/M readiness, ④ view freeze frame, ⑤ View vehicle information, ⑥ Print reports, ⑦ Data streaming, ⑧ O₂ sensor test, ⑨ On-board monitoring, ⑩ EVAP test. Ideal car error code reader for all vehicle engines.
  • ⚠️⚠️【Please Note】① The obd2 scanner does not support ABS/AIR BAG/SRS/Oil system. It can only read car engine system data. ② Please make sure your vehicle supports OBD2 protocol before purchasing, otherwise it is not applicable. If you are not sure if your vehicle is compatible, please contact us. Our technicians are online 24/7.
  • 🚀🚀【5S Quick I/M Test】Press the I/M button on the NT301 OBD2 diagnostic tool - in just 5 seconds you will know if your vehicle meets the e-mission standards. The waiting time is only 1/3 of the time required by conventional devices. With the NT301 engine diagnostic code reader, you can identify problems easily and effectively before the annual vehicle inspection.
  • 🎦🎦【2.8-inch Enlarged HD Color Screen】The FOXWELL diagnostic scanner NT301 features a 2.8-inch HD screen with 60% more viewing area and 200% higher clarity than conventional 2-inch B&W obd2 scanner. With advanced backlighting, data is readable even at night, and the car code reader is intuitive to use for car owners of all ages.
  • 🚗🚗【Icon Menu & 9-Button 】FOXWELL NT301 car diagnostic tool with intuitive icon menu (like a mobile app) and 9-button design. No cumbersome menu hierarchies - even beginners can operate it in seconds. The 9-button system increases the switching speed of functions by 200% compared to conventional 4-button obd2 scanner and reduces operating time by 60%.
  • 🌍🌍【Global Compatibility】The FOXWELL NT301 car fault code reader fit for all vehicles that support the OBDII/EOBD protocol: Reading & clearing engine codes on 99.9% of US after 1996, EU after 2000, Asian after 2008.5 languages (EN/DE/FR/IT/ES) - easy to change via setup. Simplifying engine fault diagnosis, avoid expensive workshop repairs! No support for diesel and hybrid vehicles!
  • 🏆 🏆 【Guarantee & Global Support】FOXWELL diagnostic scanner- over 10 years of brand experience, active in over 200 countries! The hard rubberized casing of this car code reader ensures solidity.Free updates & global support for long-time use. Important note: Updates are only available for Windows systems. Unique long-term warranty for your car scanner!
8.6/10
Available at Amazon
7
OBD2 Bluetooth Scanner Diagnostic Code: 5.4 OBD Code Reader Car Diagnostic Scanner Tool with Live Data - Car Trouble Code Reader OBDII Diagnostic Tester for iOS Android Windows

OBD2 Bluetooth Scanner Diagnostic Code: 5.4 OBD Code Reader Car Diagnostic Scanner Tool with Live Data - Car Trouble Code Reader OBDII Diagnostic Tester for iOS Android Windows

  • Bluetooth OBD Car Safety Monitoring: With this OBD2 scanner, you can not only perform various performance tests, including speed performance analysis, displacement calculation, and fuel consumption analysis, but also conduct critical functions such as battery health checks, freeze frame data analysis, sensor testing, onboard monitoring, and evaporative system testing. Simply connect the OBD2 scanner via Bluetooth to instantly access key vehicle parameters. This information is transmitted directly from your car to your phone, allowing you to monitor your car's performance in real time, ensuring optimal driving conditions and detecting issues early.
  • Comprehensive Fault Code Location: Through detection, you can quickly understand the vehicle's condition, quickly locate the problem and clear the fault code in time, avoiding unnecessary repair shop inspections. Ensure optimal performance and reliability. The OBD2 scanner supports more than 100 brands and more than 100,000 models in 24 languages. In addition, you can also download all test results as a detailed PDF report for comprehensive analysis, maintenance, and troubleshooting.
  • Superior Speed and Stability: Leveraging Bluetooth 5.4 technology, this OBD2 scanner provides ultra-fast data transmission, enhanced connection stability, and energy efficiency. It outperforms older Bluetooth versions, ensuring fast and reliable diagnostics. You can also accurately assess your vehicle's performance with three key tests for acceleration, braking, and distance coverage, gaining deep insights into your car's performance and optimizing your driving techniques for a smoother, more efficient driving experience.
  • Interactive Dashboard Display – Turn your smartphone into a comprehensive digital dashboard that displays detected data in clear, easy-to-read graphs. Even beginners can operate it easily. The dashboard displays basic indicators such as speed and RPM, and the OBDII function minimizes distractions by keeping key information at eye level, promotes safer driving habits, and improves safety and convenience while driving.
  • Easy Setup: Setting up is very simple—just scan the QR code on the box or manual, install the app, and pair the scanner with your iOS, Android, or Windows device. The intuitive design and straightforward guides make it accessible for users of all skill levels. Our manual includes detailed instructions, and if you have any questions or encounter any issues during use, you can leave us a message on Amazon (car brand/year/model).
8.5/10
Available at Amazon
9
TOPDON OBD2 Code reader Scanner ArtiDiag500, Engine ABS SRS Transmission Car Diagnostic Tool for all cars, 6 Reset Services for Oil/SAS/TPMS/ETS/BMS/Brake, Wi-Fi Free Update
TOPDON

TOPDON OBD2 Code reader Scanner ArtiDiag500, Engine ABS SRS Transmission Car Diagnostic Tool for all cars, 6 Reset Services for Oil/SAS/TPMS/ETS/BMS/Brake, Wi-Fi Free Update

  • [OBD2 Scanner] The TOPDON OBD2 scanner performs all ENG/AT/SRS/ABS diagnostics with 4-in-1 graphic live data. It covers all OBD2 tests for 67 manufacturers and 10000+ model. It also features 5-second one-touch AutoVIN, a free one-touch lifetime upgrade through WiFi, library DTC, 12 languages, printable auto-generated report with email sharing, smooth Android 11.0, 32GB ROM, vivid 5-inch touchscreen, and up to 10 hours of battery life.
  • [4 Car System Code Reader] The TOPDON OBD2 scanner accesses 4 systems: Engine/ABS/SRS/Transmission. It identifies the ECU version, pull DTCs with 4-in-1 graphic live data and DTC explanation to identify issues, erase DTCs to turn off the warning lights after repair (For cars made in 2005 and newer). In order to help you extend the lifespan of your vehicle while improving performance, this code reader also includes all obd2 test modes to solve the major concerns for all vehicles.
  • [User-Oriented TOPDON OBD2 Scanner] With this scan tool's touchscreen and rubberized buttons, you may easily navigate through menus or process while following a logical path. With 32GB on-board memory, the scanner enables for the recording of several diagnostic reports, which can be shared via email and printed for review. Along with this, you can upgrade your software for free for lifetime with one-touch over Wi-Fi for that help update the features and expanding car coverage.
  • [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.
  • [Wide Coverage] With its multilingual menu and coverage of 67 car brands and 10,000+ models spanning North America, Europe, and Asia (including Malaysia, India, and Iran), this car scanner is compatible with the majority of 1996 and newer OBDII compliant automobiles (EN, FR, ES, DE, IT, RU, PT, JP, KR). Before buying, make sure the OBD2 scanner is compatible with your vehicle. The package contains only a charging cable and not a power adapter.
8.4/10
Available at Amazon
10
Autel OBD2 Code Reader AutoLink AL319 Universal OBD2 Scanner Car Diagnostic Tool Check Emission Vehicle Engine Fault Code Reader
Autel

Autel OBD2 Code Reader AutoLink AL319 Universal OBD2 Scanner Car Diagnostic Tool Check Emission Vehicle Engine Fault Code Reader

  • 【TURN OFF CEL】This AL319 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, and to avoid excessive costs for unnecessary repairs.
  • 【EXTENSIVE APPLICATION】Autel AL319 Compatible with 7 languages (English, French, Spanish, etc.) and various post-1996 OBD II protocol vehicles (Toyota, Nissan, Honda, Ford, etc.), this OBD II scanner provides accurate and fast diagnosis for worldwide car owners.
  • 【FOR END USER & DIYERS】This error code reader AL319 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 obd2 scanner, and get the information you want.
  • 【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.
8.3/10
Available at Amazon

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