The Best Diagnostic Code Scanner – 2022

After hours of researching and comparing all models on the market, we find out the Best Diagnostic Code Scanner of 2022. Check our ranking below.

Our Picks For The Top Diagnostic Code Scanner


SaleBestseller No. 1
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow
  • ✅【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.
  • ✅【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.
SaleBestseller No. 2
FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
  • 【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 & 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.
  • 【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.
SaleBestseller No. 3
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black
  • 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, 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 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 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. 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.
Bestseller No. 4
Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool
  • 🚙【Little One, Big Jobs】This MS309 obd2 scanner can pay for itself in the first use. Autel MaxiScan MS309 is a plug-and-play handheld OBD2 code reader capable of scanning vehicle Diagnostic Trouble Codes (DTCs) in seconds to pinpoint emission-related issues. The little guy can do many basic but necessary works: read/clear codes, view DTC definition, turn off check engine light, check I/M Readiness status, retrieve freeze frame data and vehicle info, etc.
  • 🚙【Read Codes & Clear Codes】Knowing the codes in advance will brace you for the cost estimate to fix at the repair shop, so you can obviously save hundreds of dollars on diagnostics alone, why not? You can use MS309 to retrieve generic codes, manufacturer-specific codes, and pending codes in seconds and display DTC definitions under the codes, quickly locating the problem areas, then clear/reset the codes after proper repairs.
  • 🚙【Turn Off Check Engine Light】When your car detects an emission related problem, Check Engine Light will be turned on. Do you want to spend hundreds of dollars to turn off this light every time, maybe it's just a gas cap that's not tightened or needs to change bad parts like spark plugs and ignition coils? With Autel MS309 scan tool, you can read code to quickly find out why the check engine light is on and reset it.
  • 🚙【Ready For Annual Smog Check】If the OBD II Readiness Monitors on your car are not “Ready”, your car may fail the smog check. MS309 OBD2 scanner can retrieve I/M Readiness status to check the monitors like misfire monitor, fuel system monitor, comprehensive components monitor, catalyst monitor, O2 sensors, EVAP, etc, to help your car ready pass the annual smog check. That way you won't waste time and money on a failed smoke check.
  • 🚙【On-Screen DTC Definition, Easy To Use】 Isn't that exactly what you want? Each code is followed by its definition, saving time and effort, quickly locating the problem location, perfect for car DIYers and beginners. When you are reading codes, the corresponding DTC definition is placed below the code. MS309 OBDII scan tool communicates with vehicles through a standard 16-PIN OBD2 cable and it’s powered by vehicle directly- no battery needed.
SaleBestseller No. 5
FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader,Diagnostic Scan Tool with SRS Airbag Scanner,Car Diagnostic Scanner for Cars
  • 🔔【Easy to Use--Work out of box】+【FOXWELL 2022 New Version】 FOXWELL NT604 Elite scan tool is the 2022 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 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 happen 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 lovely cars and pinpoint the problem for you, which saves time and money for you. It will turn off the warning light for you after you fix the problem, making you to know more about your cars and do your own repair.
  • 🥑【2 in 1 Diagnostic Scanner】Compared with those auto scanners (50-100 USD), NT604 Elite code scanner not only includes their OBDII diagnosis but also it can be an 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 emission 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.
  • 🍓【Fantastic AUTOVIN】+【No extra software fee】Through the AUTOVIN menu, this NT604 Elite car scanner allows you to get your VIN and vehicle info rapidly, no need to take time to find your VIN 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 obd scanner diagnostic tool only offers plastic bag to hold on 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.
SaleBestseller No. 6
INNOVA 5210 - Newest 2022 OBD2 Diagnostic Code Scanner - Read/Erase ABS Codes, Reset Oil Lights, Live Data, Battery/Charging System Test
  • MAINTAIN PEAK PERFORMANCE AND SAFETY ON THE ROAD - The 5210 OBD2 Scanner helps you easily find the problem and fix the problem. Use the mobile application RepairSolutions2 on Apple App Store or Google Play for real-time solutions and fixes to your automotive issues. With this app, get verified fixes, find and purchase the exact part required for repair, view maintenance schedules, buy parts, receive technical bulletins, dealer and safety recalls, and access to Innova’s best-in-class database.
  • PREMIUM OBD2 CODE READER WITH ENHANCED COVERAGE AND FUNCTIONALITY - This car diagnostic tool empowers home mechanics, automotive enthusiasts, and service & repair technicians with professional-level functionality. It is a vehicle code reader that reads and clears OBD engine codes and displays all vehicle information from when a trouble code was triggered. This Innova scan tool supports English, Spanish, and French.
  • LIVE DATA FOR MORE ACCURATE DIAGNOSIS - With the Innova 5210 obd scanner live data you can see your vehicle’s essential information like RPM, speed, and oil temperature in real-time to help identify and correct problems. You can also check and test your battery and alternator, so you know whether you need to bring your car to a technician or not.
  • EASY SELF-DIAGNOSIS OF EMISSION STATUS AND OTHER IMPORTANT INFORMATION - Know your smog check results before your state does. This car check engine light reader determines whether you’ll pass a state vehicle smog test. This OBD2 scan tool can also provide trip cycle procedures for completing your smog check. This engine reader includes functions for ABS (Brake) to make sure you’re always driving safely.
  • BUY WITH CONFIDENCE WITH USA DESIGNED AND SUPPORTED PRODUCTS - Our California-based, ASE-Certified Customer Support Team is glad to assist you as you navigate through this product. It's a perfect diagnostic car scanner for all cars compatible, use it on any foreign or domestic 1996 or newer OBD2 car, light truck, SUV, or hybrid vehicle. Questions? We’re here to assist you.
SaleBestseller No. 7
SaleBestseller No. 8
OBD2 Scanner Auto Check Car Engine Clear Fault Code Reader Automotive Diagnostic Scan Tester Tools Kit Color Screen AMTIFO W4
  • ✐【Multi-Functions】 Practical Multi-Functions obd2 scanner diagnostic tool features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, fault code information query,view freeze frame, I/M ready,reading data stream and playback function, real-time curve, reading vehicle information, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed. Support car battery voltage test, oxygen sensor test
  • ✐【 Car Diagnostic Scanner for Most Cars】- 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 8 languages - English,German, Dutch, Spanish, French, Italian,Russian and Chinese.
  • ✐【2.8 Inch IPS color screen】-Break the conventional car OBD2 code reader concept and redefined it, Adopting a 2.8-inch IPS color obd2 gauge display, it has a stylish appearance and a comfortable hand held experience. Don't need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
  • ✐【Perfect Design】- Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 4 buttons on AMTIFO W4 OBD2 Scanner: scroll up/down,confirm/exit button and three warning lights.(Green light: support the vehicle detection ;Yellow light: It is read that the vehicle is faulty ; Red light: The product is energized normally)
  • ✐【Warranty & Service】- TWO YEAR WARRANTY AND 100% SATISFACTION SERVICE. Thank you for choosing AMTIFO! But if you are not pleased with the product, please contact AMTIFO Team directly for hassle-free return and refund. Save your bucks and time.
SaleBestseller No. 9
MOTOPOWER MP69035 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996 Red
  • ✅【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. It provides accurate and fast diagnosis for worldwide car owners.
  • ✅【Color TFT Display】- Designed with a 240*320 pixel color TFT display. 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.
  • ✅【Find and Erase Codes】- It can help you 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. 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.
SaleBestseller No. 10
AUTOPHIX 3210 Bluetooth OBD2 Scanner Enhanced Universal Car Code Readers & Scan Tools Diagnostic Scanner with Performance Test Battery Test Check Engine Light Exclusive APP for iPhone, iPad & Android
  • ➤【Powerful Check Engine Light Diagnostics】Can read and diagnose your check engine light, understand the severity of the issue, and clear fault codes in a blink of an eye. More functions compared to other simple scanner like I/M Readiness, Battery Health Check, Freeze frame, O2 sensor test, On-Board Monitoring, Evap system test, Performance Test, Data Stream, and Diagnostic reports, Handy google search button, Built-in OBD II Fault code look-up library.
  • ➤【Excellent Performance Test】3210 support various performance tests, accurate reading of car acceleration, distance, braking, PID chart with RPM,VSS, VPWR, ECT, MAF etc and trip monitoring, including real-time analyze speed change, coolant temperature, average speed, RPM, number of rapid braking/ hypervelocity, start/ idle time etc. The built-in warning Settings (Speed/ water temperature/ Driver Fatigue Alarm) remind the driver to ensure driving safety.
  • ➤【Professional Battery Test】 AUTOPHIX 3210 code reader support gather real-time battery voltage, analyze information automatically in no time and display results in a graph, instead of a direct result on the phone screen that an ordinary code reader, which will ensure that you can access and analyze the accurate live data and determine the battery's health status or expected remaining life. So it is in great condition when you need it the most on a freezing winter day without opening the bonnet.
  • ➤【Exclusive APP and Wide Compatibility】A necessary wireless/Bluetooth car diagnostic tool/ code reader for today’s car owners,free downloadable on both iPhone iOS, Ipad and Android,Instead of third-party charging APPs!!! Support 60+ car brands and 10000+ models, 3210 universal bluetooth OBD2 scanner Works on more vehicles than any scan tool, including all cars after 1990-now in the United States. it works in English, German, Spanish, Finnish, French, Italian, Dutch, Portuguese and Chinese.
  • ➤【Efficiency and Savings】Don't just read vehicle malfunction codes and give you code definitions, but more importantly informs you what the possible problems are with your vehicle, even if you know absolutely nothing about cars. We are here to help you know the car troubles and clear the error code.Complete diagnostic report can be shared online with your friends or mechanics to quickly solve your problems,Instead of spending a few hundred dollars on repair shop to understand what's happening.


How Do You Buy The Best Diagnostic Code Scanner?


Do you get stressed out thinking about shopping for a great Diagnostic Code Scanner? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching Diagnostic Code Scanner, which is why we have assembled a comprehensive list of the greatest Diagnostic Code Scanner available in the current market. We’ve also come up with a list of questions that you probably have yourself.


We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Diagnostic Code Scanner that you consider buying. Your questions might include the following:

  • Is it worth buying an Diagnostic Code Scanner?
  • What benefits are there with buying an Diagnostic Code Scanner?
  • What factors deserve consideration when shopping for an effective Diagnostic Code Scanner?
  • Why is it crucial to invest in any Diagnostic Code Scanner, much less the best one?
  • Which Diagnostic Code Scanner are good in the current market?
  • Where can you find information like this about Diagnostic Code Scanner?

We’re convinced that you likely have far more questions than just these regarding Diagnostic Code Scanner, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for Diagnostic Code Scanner, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best possible Diagnostic Code Scanner. Make sure that you are only using trustworthy and credible websites and sources.


We provide an Diagnostic Code Scanner buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Diagnostic Code Scanner currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:


  1. Brand Value: Every brand of Diagnostic Code Scanner has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Diagnostic Code Scanner?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: his simply is how much bang for the buck you get from your Diagnostic Code Scanner.
  5. Customer Ratings: Number ratings grade Diagnostic Code Scanner objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Diagnostic Code Scanner.
  7. Product Quality: You don’t always get what you pay for with an Diagnostic Code Scanner, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an Diagnostic Code Scanner is should be an indication of how long it will work out for you. .

We always remember that maintaining Diagnostic Code Scanner information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


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