The Best Code Scanner – 2022

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

Our Picks For The Top Code Scanner


SaleBestseller No. 1
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.
SaleBestseller No. 2
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.
Bestseller No. 3
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, 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 e-missions 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.
Bestseller No. 4
Autel MS309 OBD2 Scanner Check Engine Fault Code Reader, Read Codes Clear Codes, View Freeze Frame Data, I/M Readiness Smog Check CAN Diagnostic Scan Tool
  • 🚙【On-Screen DTC Definition, Save Time & Easy To Use】Autel MS309 OBD2 code reader with UPGRADED CHIP to retrive and clear generic(P0, P2, P3 and U0), manufacturer-specific(P1, P3 and U1) and pending codes, and display DTCs(Diagnostic Trouble Codes) meanings under the codes based on the built-in database(more than 3000 codes). Don't need to spend much time to search meanings on the internet. This advanced plug-and-play MS309 scanner saves you time - a must-have obd2 scanner for each car owner.
  • 🚙【Retrieve Freeze Frame Data &Vehicle info】The more specific the information available, the clearer the problem. The OBD2 scanner MS309 can retrieve freeze frame data, including important engine parameters like RPM, fuel pressure, fuel trim, engine coolant temperature, etc. Also it can retrieve Vehicle Information such as VIN number, Calibration ID(s), Calibration Verification Nos. (CVNs), etc, which is useful to check whether the ECU matches when you are buying a used car.
  • 🚙【Read Codes & Clear Codes】Knowing the codes in advance will brace you for the repair cost estimate so that you won't be fooled and get overcharged by the repair shop.This Autel MaxiScan MS309 obd2 scanner scans OBD2-compliant 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.
  • 🚙【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.
SaleBestseller No. 5
Autel OBD2 Scanner Autolink AL319 Code Reader Read and Erase Codes Check State Emission Monitor Status Powerful Scan and Car Diagnostic Tool
  • 【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.
Bestseller No. 6
OBD2 Scanner Car Scan Diagnostic Tool Reset Clear Check Engine Code Reader for All OBD II Vehicles LeeKooLuu LK11
  • 【Auto OBDII Scanner Diagnostic Tool:】Easy-to-use plug-in-play car scanner that read and clear codes.Retrieves generic code and displays DTC definitions. It can check engine related fault codes,easily find out what caused.
  • 【Wide Compatibility:】Code readers & scan tools are compatible with all OBD II and CAN Compliant vehicles,passenger cars or light trucks,post 1996 in US,post 2000 for EU-based and Asian cars.Not compatible with new energy and hybrid vehicles.
  • 【Freeze Frame Date For Accurate Diagnosis:】Car code reader comes with viewing freeze frame function that enables you to retrieve data recorded in the ECU of the condition under which the fault occurs to figure out why the check engine light is on and cut down test drive verification time.
  • 【I/M Readiness Function:】 Car diagnostic scanner comes with I/M Readiness function to check the operations of the Emission System on OBD2 compliant vehicles.It includes vehicle-specific number of monitors like misfire monitor, fuel system monitor,Comprehensive component monitor, Oxygen sensor heater monitor,EVAP system and etc.It can help get your vehicle ready to pass the annual smog check.
  • 【Retrieve Vehicle Infor:】 Vehicle code reader enables retrieval of Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs). This function is most useful to check whether the ECU matches your car.
Bestseller No. 7
EDIAG YA201 2023 Enhanced Obd2 Scanner,Check Engine Fault Code Reader Full OBDII Functions 10 Modes,Mode 6,O2 Sensor Test,EOBD OBDII CAN Diagnostic Scan Tool for All 1996 & Newer Cars
  • 2023 Elite Ver. Live Data Graphing Code Reader👍【WORTH:Plug&Play (connect the vehicle and use it immediately without update)Code reader car diagnostic tool + Full functions+Mode 6 +Mode 8】YA-201 obd2 scanner can check engine light: ✅retrieve I/M readiness, ✅ live data graph,✅freeze data stream,✅playback data stream✅O2 Sensor, ✅On-board Monitoring (Mode 6),✅EVAP systems(Mode 8) component test,✅Auto vehicle information,✅Upgraded battery Statu graphing. ✅ DTC lookup
  • 🚗【ACCURACY: Graphing Live data & Graphing Battery Voltage】YA-201 Vehicle Code Reader is good at Mode 6 On-board monitor test(According to the maximum and minimum parameters, you can read the hidden errors of the car, even if the engine light is not on).✅Advanced geaphing accurate real-time data and battery voltage state,freeze data stream by this obd2 scanner
  • 【NECESSITY: Advaced Hardware】This code reader car diagnostic tool comes with 2. 4' TFT colorful LCD display with Blacklight, Delicate resolution for eye protection, Lifetime-free update, Longer obd2 cable, Ergonomics patents design,plug and play. This Vehicle Code Reader is recommended by over 50,00 DIYer Ueser fans. Why not take it home?
  • 🚗【EXTENED: Vehicle Coverage】Thisobd2 scanner work on domestic and import vehicle, such as car, light-duty trucks (12v only), SUV and mini-vans with standard OBD2/EOBD/JOBD&CAN protocol.This car scanner support 9 language(EN,FR,PT,DE,IT,JP,EL,PT,ZH)
  • ✅ 【Youtube Influencer Mechanic Recommend】UCAR TECH offer 5 years warranty for YA201 OBD2 obd2 scanner.It supports lifetime free update 60 day refund and replacement for unsatisfied.Welcome to contact us via Q&A, email, or hotline, and our after-sale-service team for technical support
Bestseller No. 8
Autel AutoLink AL519 OBD2 Scanner Enhanced Mode 6 Car Diagnostic Tool Check Engine Code Reader CAN Scan Tool, Advanced Ver. of AL319
  • 👍【Upgrade of AL319】Autel AL519 is a plug-and-play handheld OBD2 car check engine scanner. Upgraded from AL319, instead of just reading and clearing codes, AL519 can perform all OBDII functions (mode 1~10), and provide quick DTC lookup and live data in text & graph. It retrieves generic(P0, P2, P3, and U0), manufacturer specific(P1, P3, and U1) codes and pending codes, vehicle VIN, turn off CEL, check I/M readiness status for ready test, locate bad parts like a O2 sensor, do evap leak test, etc.
  • 👍【Full OBD2 Functions】Generally only the scanners in auto parts stores are equipped with full OBD2 diagnosis, as they can handle more complex OBD2 issues. But this little guy has those too! AL519 car scanner integrates all OBD2 functions (10 modes), including: read code, clear code, view live data, freeze frame data, vehicle info, check I/M readiness status, O2 monitor test, on-board monitor test, EVAP leak test, modules present. Anyone who has cars knows it’s well worth the price!
  • 👍【Read/Clear Codes & DTC Lookup】Knowing the accurate codes in advance if you don't want to be ripped off. You can use AL519 scanner to read the codes to quickly locate the problem areas, then determine if you can do the repair yourself or go to a mechanic, and clear the codes to get everything back to normal. When read out the DTCs, you can click the button to display what the codes mean, and DTC Lookup functions work as a DTC library to search meanings for DTCs, no need to google or guess it.
  • 👍【Turn Off CEL & Smog Check】The Check Engine Light is always annoying you, most of the time because of a little thing like a loose gas cap, isn't it? With AL519 scan tool, you can read codes to quickly find out why the check engine light is on and reset it. Don’t waste money on a failed smog test! AL519 can retrieve I/M Readiness status to make sure OBD2 monitors on your car are “Ready”, monitors like misfire, fuel, catalyst, O2 sensors, EVAP, etc, to help you pass the annual smog check.
  • 👍【Live Data Graphing】Data graphing makes everything easy, so you won't miss any suspicious data changes! Auto diagnostic scanner AL519 can view live data of multiple sensors and components in text and graph to quickly pinpoint bad parts or faults, for example, viewing the change of the 02 sensors in the graph mode enable you to locate bad sensors in a few minutes. Also you can use AL519 scanner to record the data for later review and print it out via PC to share it with customers or mechanics.
Bestseller No. 9
INNOVA 5210 - OBD2 Diagnostic Code Scanner - Read/Erase ABS Codes, View 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. 10
LAUNCH OBD2 Scanner CR529 One-Click I/M, Full OBDII Code Reader, 5 Years Quality Backup, F Ree Lifetime Update Diagnostic Scan Tool, Clear Codes, Check Engine Light for DIYers with Cars After 1996
  • 🚖 [Enhanced OBD2 Scanner LAUNCH CR529] An “Amazon’s choice” OBD2 scanner also highly recommended by YouTube celebrities & editors: ➤the patent I/M Check + HELP hotkey for quick access to diagnostic tips; ➤the bright 2.8” screen + clearly-arranged navigation buttons + graphical data stream for easy use; ➤with powerful full range of OBD2 test to kill CEL in 3 seconds; ➤a must-have LAUNCH scan tool for every DIYer or car drivers.
  • 🚖 [Efficient Hot-Keys] 3-hotkey gives even a beginner an operation boost. Fast and accurate; no delay to get results!✅ The patented one-click I/M Hot key quickly show the readiness status for smog check; ✅ the HELP shortcut accesses the detailed diagnostic solutions related to DTCs; ✅the EXIT key helps you skip a bunch of menu selections. This check engine code reader also features ✅ three red-yellow-green LEDs to know vehicle’s health status at a glance.
  • 🚖 [OBDII Scanner with All Test Modes] Read & Erase DTCs; display Live Data & Freeze Frame Data; test EVAP; access to O2 Sensor and Onboard components monitoring results; run tests of an onboard system; pull out vehicle’s info., etc. This elite car code reader solves most reasons that caused engine light on and can switch it off, also gives you peace of mind for smog check. It’s a great OBD2 scanner to help avoid unneeded costs in car repairs.
  • 🚖 [2.8” Screen & Graph Data Streams] OBD2 Scanner LAUNCH CR529 comes with a bright & nicely-pixelated 2.8” screen. The color screen is larger than many cheap rivals, allows more information visualized and easier to read for users with any level of experince. Unlike other “standard” code reader, CR529 can graph the live data like RPM, fluid temp, injection time etc. You can easily follow a problem as soon as it develops, and get the fight fix in no time.
  • 🚖 [10,000+ DTC Definitions Inside] Many cheap code readers simply read the fault codes without description. With car scanner CR529 you don’t need to Google any code as it has an OBD2 DTC library database covering 10,000+ DTCs. The OB2 Scanner will show complete definition along with the code, save your trouble and time to search online, and help find the root cause of the malfunction so you can catch potential problems before they cost you a fortune.


How Do You Buy The Best Code Scanner?


Do you get stressed out thinking about shopping for a great Code Scanner? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching Code Scanner, which is why we have assembled a comprehensive list of the greatest 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 Code Scanner that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding 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 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 Code Scanner. Make sure that you are only using trustworthy and credible websites and sources.


We provide an 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 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 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 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 Code Scanner.
  5. Customer Ratings: Number ratings grade 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 Code Scanner.
  7. Product Quality: You don’t always get what you pay for with an Code Scanner, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an Code Scanner is should be an indication of how long it will work out for you. .

We always remember that maintaining 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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