Best Code Readers & Scan Tools 2021

1,412,432 Reviews Analysed
111 Review Articles Examined

After exploring an insanely huge number of articles and reviews by our powerful Artificial Intelligence and Machine Learning algorithms; and comprehensive processing, assessment and screening by our specialist high-technology gurus, the golden shortlist for the Best Code Readers & Scan Tools (2021) is finally drafted.

The ultimate guide on Best Code Readers & Scan Tools produced using Deep Learning and Artificial Intelligence technology
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In order to find the Best Code Readers & Scan Tools (2021), our brilliant platforms and gurus have taken many elements into account such as product fitness for use, features that meet consumers needs and give buyer satisfaction, defect-free, conformance of standards, worthiness for money, credibility, level of design standards, quality conformance to needs and guidlines, safety, actual customer satisfaction and many others. It is of great importance to mention that each user has different requirements so please consider the below list as a guide and not as a gospel. Nevertheless, in the below list you can undoubtedly find the overall best ones despite your requirements.

Our brilliant platforms and qualified hi-tech gurus work hard to identify the best product options. We strongly believe that our review rankings can help you simplify your purchase decision and choose among the absolute Best Code Readers & Scan Tools (2021).

Best Code Readers & Scan Tools

Best Choice No. 1

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black

Classic design, fast scan and clear trouble codes, even a beginner can use this unit to read the error code, find out what the problem is and perhaps fix it. Save money and time.
Works on MOST 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports English, German, French, Spanish, Finnish, Dutch, Russian and Portuguese.
Easily determines the cause of the check engine light. I/M monitor readiness test, turn off the MIL (check engine light) as well as view freeze frame data. Read hard (memory) / pending (intermittent) and historic codes and show definitions.
The AD310 scanner is well built with a large LCD display (128 x 64 pixel) that has white backlight and contrast adjustment, indicates test results directly. No need any Batteries or Charger, gets the power directly from the OBDII Data Link Connector in your vehicle.
It’s equipped with a 2. 5 feet long cable and made of a very thick flexible insulator. There are 4 buttons on AD310. The Up and Down button for scrolling the menu, the Enter and Exit button allow for navigation back and entering menu.

SaleBest Choice No. 2

FOXWELL NT301 OBD2 Scanner 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.

SaleBest Choice No. 3

Autel AutoLink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool

[FOR END USER & DIYERS] This error code reader 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 code reader, and get the information you want.
[TURN OFF CEL] This 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] 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.
[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.

SaleBest Choice No. 4

Autel MS309 Universal OBD2 Scanner Check Engine Fault Code Reader, Read Codes Clear Codes, View Freeze Frame Data, I/M Readiness Smog Check CAN Diagnostic Scan Tool

TURN OFF CHECK ENGINE LIGHT: Autel MS309 OBDII scanner is an easy-to-use plug-n-play check engine code reader that read and clear codes. This little code scanner retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes and displays DTC definitions on the TFT color screen. It can check engine related fault codes, easily find out what caused the check engine light comes on, turn off MIL light(Malfunction Indicator Light).
FREEZE FRAME DATA FOR ACCURATE DIAGNOSIS: This MS309 check engine 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 cycle verification time. It includes important engine parameters such as RPM, vehicle speed, mass airflow, engine load, fuel pressure, short/long term fuel trim, engine coolant temperature and etc.
READINESS STATUS TO PASS SMOG CHECK: The Autel MS309 car diagnostic scanner tool 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 components monitor, O2 sensors, EVAP system and etc, making this OBD2 scan tool an excellent scan tool to help get your vehicle ready to pass the annual smog check.
UNMATCHED COMPATIBILITY: Autel MS309 compact pocket code reader supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. This OBD2 code scanner is compatible with all OBDII-Compliant vehicles, passenger cars or light trucks, post 1996 in US, post 2000 for EU-based and Asian cars.
RETRIEVE VEHICLE INFO: The Autel MS309 automotive OBD2 scanner enables retrieval of the Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs). This function is most useful to check whether the ECU matches your car when you are buying a used car. The MS309 auto car scanner comes with LIFETIME FREE software updates and is backed by 45 Day Money Back and 12 Months US Seller . Purchase now and go fix something!

SaleBest Choice No. 5

Bafx Products – For Android Only – Wireless Bluetooth Obd2 Scanner Diagnostic Code Reader & Scan Tool – Scan, Reset & Clear Car Check Engine Light

NOT COMPATIBLE WITH iOS DEVICES – (iPhones, iPads etc); OUR BLUETOOTH OBD2 scanner IS ONLY COMPATIBLE WITH ANDROID OR WINDOWS DEVICES; For iOS devices, see our WiFi OBD Reader
READ & RESET – Our OBD2 diagnostic scanner tool will work on all cars purchased in the USA model year 1996 or newer; Unlike other OBD2 scanners, ours works on ALL OBD2 protocols including J1850 and CAN; With our scan tool you can read & reset the check engine light on your car with ease
REAL TIME – Monitor the diagnostic sensors in your vehicle in real time for things like O2 data, fuel pressure, EVAP system & more; Car reporting an EVAP code? Check your O2 readings to see which sensor is faulty and get it fixed; React quickly to problems like a professional mechanic
HUGE APP SELECTION – 3rd party app must be downloaded to use; Choose from many OBDII apps such as Torque Pro, Piston, Dash Command, OBD Fusion & more; Some OBDII readers limit you in which apps you can use, not BAFX Products; Choose an app at a price that meets your needs
This OBD2 scanner does not read ABS, SRS, TPMS or Oil Change lights; WARRANTY – 2 Year manufacturer warranty with USA based friendly support staff; Don’t be left stranded by support

SaleBest Choice No. 6

OBDScar OS601 OBD2 Scanner Universal Automotive Engine Fault Code Reader EOBD OBDII CAN Diagnostic Scan Tool

Universal Compatibility: Applicable to MOST US-based cars (made in 1996 or later), EU-based cars (made in 2001 or later), Asian cars (made in 2008 or later), and all OBD II/EOBD/CAN-compliant vehicles.
Smog Check: Clearly shows whether the emission-related systems are operating properly or ready for inspection and maintenance testing; turns off check engine light and resets monitors; views freeze frame data, read live PCM data stream, EVAP system test data, On-Board Monitor test data and display live O2 sensor test data.
Shows the code and what the code means directly. Able to retrieve generic (PO P2 P3 and UO) manufacturer specific (P1, P3, and U1) codes and pending codes, and vehicle information (VIN, CID and CVN). And can store the data you have viewed (DTCs, freeze Frame, live data, etc).
Supports all OBDII protocols, including ISO9141, KWP2000, J1850 PWM, J1850 VPW and CAN (Controller Area Network).
No battery needed, just plug it into the OBDII port and start diagnosis. Features a 2.5-foot flexible plug and a 7-button panel. Supports DTC look-up, and software upgrade. Supports multi-language display (English, German, Spanish, Dutch, Russian).

SaleBest Choice No. 7

LAUNCH CRP123 OBD2 Scanner Engine/ABS/SRS/Transmission Car Diagnostic Tool, ABS Code Reader, SRS Scan Tool, Lifetime Free Update Scan Tool

1.2021 Elite Version 2. Conact seller to get free gift. 3. Same function as launch crp123e.
[Engine/ABS/SRS/Transmission Diagnostic Tool]—-The crp123 obd2 scanner is perfect balance of power and affordability, providing the ability to view preset, or user defined, live data streams for ENGINE, AT, ABS and SRS data, ; the ability to graph, record, replay and print data, read and resets codes for engine/abs/srs/transmission system.
[Full OBDII Test Code Reader]—-LAUNCH CRP123 scan tool supports all 10 modes of OBDII standard to ensure complete, accurate, system diagnosis. Read and Clear DTCs, do smog tests , I/M readiness and O2 sensor tests, Mode 06 EVAP system test, Mode 08 on-board test component test. And OBDII Code lookup tool and acronym database to assist and speed diagnosis and repair time.
[Live Data Stream + Advance OBDII Scanner + Lifetime Free Update]—- Launch crp123 scanner support for Generic OBDII Codes (P0, P2, P3 and U0); manufacturer specific codes (P1, P3 and U1); pending codes; freeze frame data; monitor and I/M readiness; live PCM stream data; graphing functionality for up to four (4) live data streams; clears DTC codes and turns off the MIL; resets monitors; provides Data Link Connector (DLC) location hints.
[Extensive Vehicle Coverage OBD2 Automotive Scanner]—-The LAUNCH CRP123 reads data from ENGINE, TRANSMISSION, ABS and SRS systems from Asian, US and European manufacturers. Coverage includes Suzuki, Honda, Mitsubishi, Nissan, Toyota, Mazda, Hyundai, Kia, Subaru, Infiniti, Lexus, Acura, Isuzu, Ford, GM, Chrysler, Benz, BMW, VW, Opel, Volvo, Fiat, Land Rover, Seat, Skoda, Audi, Porsche, Saab, Jaguar and many others.

SaleBest Choice No. 8

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996

✅【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.
✅【Warranty】- TWO YEAR WARRANTY AND 100% SATISFACTION SERVICE – Hassle-free return or refund for any product quality issue. 100% satisfaction service and technical assistance will be provided by contacting our professional customer service team.

Best Choice No. 9

OBD2 Scanner TOPDON ArtiDiag500, Engine ABS SRS Transmission Diagnostic Scan Tool, Full OBD2 Test Code Reader, AutoVIN Diagnostic Tool, Car Battery Voltage Test, Wi-Fi Free Update

TRY OBD2 SCANNER ArtiDiag500 🚗 ENG/AT/SRS/ABS diagnostics with 4-in-1 graphic live data; All OBD2 test; 54 brands / 10000+ models coverage; One-touch AutoVIN in 5 secs; One-touch lifetime update without costs via Wi-Fi; DTC library; 9 languages; Printable report auto-generated with email share ➤Smooth Android 7.0, 16GB ROM; Vivid 5” touchscreen; 6,100mAh battery (10+ hrs running).
4 SYSTEM OBD2 SCANNER 🚗 Access to 4 vital car systems Engine/ABS/SRS/Transmission. Get ECU version info; Pull DTCs with DTC library explanation and 4-in-1 graphic live data to pinpoint faults; Erase DTCs to shut off warning lights after repairs (**For cars made in 2005 and newer) // This code reader also brings all modes of obd2 test to handle most emission-related issues, to help you prolong car lifespan with improved performance.
USER-ORIENTED OBD2 SCANNER 🚗 Run across menus or procedures following a logical path effortlessly at your fingertips upon this scan tool’s 5” 720P touchscreen + Rubberized buttons make navigation easy even when wearing gloves // Free lifetime one-touch software update via Wi-Fi for enhancing features + expanding car coverage // 16GB on-board memory allows recording tons of diagnostic reports, which can be shared via email and printed for consultation.
AUOTOVIN + 4-IN-1 GRAPHIC LIVE DATA + BATTERY VOLTAGE MONITOR + ONLINE FEEDBACK + DTC LOOKUP LIBRARY 🚗 Smart AutoVIN saves manual selections to identify car make, model, and year, and heads you towards the proper diagnostics // Max 4 Live Data streams merged for much easier data analysis // Diagnostic feedback Online via this diagnostic tool to help you get tricky repair works well-completed // Real-time car battery voltage monitor reveals the potential car faults.
WIDE COVERAGE 🚗 This car scanner works on most 1996 & newer OBDII compliant vehicles, covering 57 car brands, 10000+ models across America, Europe, and Asia (Malaysia, India, Iran included), with multilingual menu for hassle-free operation (EN, FR, ES, DE, IT, RU, PT, JP, KR). Extended 2 years for any product quality issues. Make sure this obd2 scanner works on your car before purchase. *NOTE: There is only a charging cable and no power adapter in the package.

Best Choice No. 10

FIXD OBD2 Professional Bluetooth Scan Tool & Code Reader for iPhone and Android

📱 EASY-TO-USE OBD2 APP & CAR CODE READER – The FIXD car scanner and OBD app instantly translates 7000+ engine fault codes into plain English on your phone. Wireless Bluetooth connection. Set up in minutes. No car knowledge needed.
📱 FIND OUT WHAT’S WRONG WITH YOUR CAR – Even beginners can use the FIXD OBD2 scanner and app to find out what the check engine light means, how serious it is, and possible fixes before going to the repair shop. You can even clear the check engine light, saving time and money.
📱 SAVE MONEY & AVOID RIP-OFFS – Walk into the repair shop confident with the accurate info you need to save on car repair. The FIXD car scanner and OBD2 app provides helpful how-to guides and video tutorials so you can save with DIY repairs.
📱 FIXD WORKS WITH YOUR CAR – FIXD OBD2 reader is compatible with all gas-powered vehicles made in 1996 or newer and all diesel vehicles 2008 or newer. Perfect diagnostic scan tool for Toyota, Honda, Chevrolet, Ford, Mercedes-Benz, Jeep, BMW, Porsche, Subaru, Nissan, Cadillac, Volkswagen, Lexus, and more. Compatible with iPhone, iPad, & Android.
📱 KNOW WHEN IT’S TIME FOR YOUR NEXT OIL CHANGE – FIXD is the only car code scanner that also tracks maintenance and wear items and automatically notifies you when your car is due for service.

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Best Code Readers & Scan Tools 2021

1,412,432 Reviews Analysed111 Review Articles Examined

Best Code Readers & Scan Tools

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