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10 BEST code readers of 2021

With our greatest code readers information and factor research, we’ll enable you with selecting a logically taught choice and get a code readers with the focal factors and highlights you want.

Best code readers

Rank
Image
Product Title
Score

1
9.7

2
9.6

3
9.2

4
8.6

5
8.5

6
8.2

7
7.6

8
7.5

9
7.2

10
6.8

Image
Product Title

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

9.7

AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Check Engine Light for All OBDII Car After 1996[Upgrade Version]

9.6

FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

9.2

NEXPOW Car OBD2 Scanner, V311 Automotive Engine Fault Code Reader, Car Diagnostic Scan Tool with Battery Test Tool for All OBD II Protocol Cars Since 1996

8.6

QR Code Scanner: Free QR Code and Barcode Reader

8.5

Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Vehicles Diagnostic Scan Tool

8.2

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

7.6

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

7.5

ANCEL AD530 Vehicle OBD2 Scanner Car Code Reader Diagnostic Scan Tool with Enhanced Code Definition and Upgraded Graphing Battery Status

7.2

Barcode reader & QR code scanner . Pro

6.8

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

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

$34.99  in stock
2 new from $34.99
Free shipping
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • 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.

AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Check Engine Light for All OBDII Car After 1996[Upgrade Version]

AUTOPHIX OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Check Engine Light for All OBDII Car After 1996[Upgrade Version]

$49.99
$36.10
 in stock
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • ➤【CHECKING CAR ENGINE TOOL】 The OM126P Enhanced OBDII scanner can read and erase the trouble codes that can cause emission problems in your vehicle in seconds, turn off the MIL (check your car engine) and reset the monitor, build a DTC lookup library you can find the related code definitions to help you determine if your car needs repair, to save you time and money, and dramatically improve your car lifespan / performance.
  • ➤【EASY TO OPERATE】The OM126P car diagnostic tool equiped with 2. 4" TFT 262K true color LCD display screen to indicates the test results , with the silicone keypad you can easy to access the each menu options, the I/M Readiness hot key can check the state emissions readiness and drive cycle verification,Also, a wealth of car information is retrieved to find out all about your car without hassle for recording, car tracking, buying matched parts etc.
  • ➤【WIDE RANGE DIAGNOSE】 Work on all after 1996 and newer vehicles models in the USA(OBD II&CAN) or other imported vehicles. Quickly read and erase the DTC on all OBD II protocols vehicles: CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP2000 and support for 10 languages: English, French, Spanish, German, Russian, Italian, Finnish, Portuguese, Polish, Dutch, which make it easy to use for people from different countries .
  • ➤【POWERFUL FEATURES】 Built-in 14 special functions in 1 car reader, read and erase stored emission related codes, pending codes, and show code definitions, data steam, freeze frame, on-board monitoring, and show the vehicle information,I/M reading,review the recorded DTC,review & print report. Support O2 sensor and EVAP system test, let you initiate a leak test for the vehicle’s EVAP system, identify trouble shooting related to fuel efficiency and vehicle emissions.
  • ➤【WORRY-FREE SERVICE】 Plug & Play, no battery or charger required;OM126P OBDII diagnostic scan tool supports a lifetime free software updating and Review & Print diagnostic reports from the Auto fix ,via connect to a computer via USB (for Windows 7/8/10 ONLY), and we offer one year warranty , if you cannot comfirm its compatility, please feel free to consult us.
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FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

$69.99
$66.49
 in stock
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • 【Vehicle CEL Doctor】The obd2 scanner can quickly help you read DTCs (engine fault codes), locate bad O2 sensor, access to emissions readiness status, turn off check engine light(CEL) or MIL(Malfunction Indicator Lamp) , reset monitor, read enhanced data and retrieve VIN of your vehicle.
  • 【Accuracy & Streams】Live data in both graph and text forms. Accurately read vehicle error codes for most Worldwide cars, SUVs, light truck and 12V diesels equipped with Obd2. Besides, the car scanner also shows live vehicle sensors data in text and graph format and allows you to focus on any suspicious or symptom-specific data parameters.
  • 【Worthy to Own】Recommended by Mechanic Scotty Kilmer on Youtube. Supports data logging and Printer compatible. Unique PATENTED design, clearly arranged keypad, 2.8" wide color screen with Life-Time Free software update and 1 year quality assurance, it deserves to own. Supported by EXCLUSIVE engineer and service team for product and service quality. (Please note currently the package does not include a CD. )
  • 【Smog Check Helper】Read/Erase and I/M readiness hot keys make it easy to use this car computer reader right out of the package. Red-Yellow-Green Leds and build-in speaker indicate the readiness status for smog test. The obdii scan tool also help catch intermittent problems and confirm repairs during a drive cycle, so that help you quickly determine the health of the car.
  • 【Home Necessity】NT301 car scanner is open to global customers. No battery required, it is charged directly from the OBDII interface in your vehicle (please turn your vehicle ignition on), making it convenient for Home and Autoshop Mechanics. It is recommended as a necessity in your toolbox and one of the best gifts for father. (Quick Start Guide is included in the package.)

NEXPOW Car OBD2 Scanner, V311 Automotive Engine Fault Code Reader, Car Diagnostic Scan Tool with Battery Test Tool for All OBD II Protocol Cars Since 1996

NEXPOW Car OBD2 Scanner, V311 Automotive Engine Fault Code Reader, Car Diagnostic Scan Tool with Battery Test Tool for All OBD II Protocol Cars Since 1996

$33.99
$27.99
 in stock
2 new from $27.99
Free shipping
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • 【New Upgrade OBD2 Scanner】The V311 OBD2 code reader is capable of performing multiple diagnostic functions like determining the cause of the Engine Light, Read/Erase Code, View Freeze Frame, I/M Readiness, Vehicle Information, Data Stream, BAT-Battery Detection, DTC lookup, RealTime Curve(Car Speed, Calculate Load Value, Engine Coolant Temp, Engine RPM), efficiently troubleshoot the Check Engine Light and the diagnostic trouble codes.
  • 【Lightweight & Easy to Operate】 NEXPOW OBD2 plug and play, No battery or charger is required as it directly gets power from vehicle DLC. Fast scan and clear trouble codes, very easy to use, even a beginner can use this unit to read the error code, with what displayed on the screen. You can find out what the problem is and fix the easy ones yourself but don't worry about going to the 4S shop for too expensive repairs, saving money.
  • 【One-Click DTC Lookup】V311 engine OBD2 reader built-in over 3000 code definitions DTC library, the OBD2 Scanner reads generic and manufacturer-specific trouble codes directly identify the code definitions on the screen, The enhanced fault code definition function helps you fully understand the meaning of the code. It saves you the trips to a mechanic, lets you decide whether it's something you can fix or need more help, save money and time.
  • 【 BAT Function & LCD Display 】- Vehicle code reader designed with a clear display LCD screen (128 x 64 pixels) - white backlight and contrast adjustment. No need for any battery or charger, the OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector. Besides, with the "BAT" button, a One-click battery check function allows you to detect car battery voltage.
  • 【Strong Compatibility】Support 7 languages: Deutsch, Dutch, English, Italiano, Español, Français, Chinese. no matter where are you from, it always helps you. Our OBD2 scanner is compatible with all 1996 and newer model cars sold in the US, Europe, and Asia. Supports all OBD2 protocols: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 (KWP2000), and ISO 15765-4(CAN). Note: This car code reader is incompatible with new energy vehicles, hybrid vehicles.
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QR Code Scanner: Free QR Code and Barcode Reader

QR Code Scanner: Free QR Code and Barcode Reader

 in stock
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • QR Code Scanner includes the following features:
  • - Scan a large array of barcodes including QR Codes, Aztec, Code 39 and many more
  • - Copy the barcode information to your clipboard for use with your other applications
  • - Share the QR Code or other barcode through messaging, sms, other
  • - Lookup the QR Code product or complete a web search for the QR Code

Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Vehicles Diagnostic Scan Tool

Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Vehicles Diagnostic Scan Tool

$19.99  in stock
2 new from $19.99
Free shipping
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • TURN OFF CHECK ENGINE LIGHT: MS300 check engine code reader can read, clear generic, manufacturer-specific and pending codes. It enables you to figure out why CEL is on like a pro and turn off check engine light instantly after proper repair.
  • MECHANIC APPROVED: MS300 OBD2 scanner works with most OBDII compliant(OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM, and CAN) sedans, SUVs and light trucks post-1996 for US cars, post-2000 for EU-based and Asian cars.
  • DIAGNOSE IN SECONDS: MS300 auto code reader features easy to use 2 button design to read, clear DTCs to help home mechanics locate car problems fast. With an intuitive interface and easy-to-read backlit screen, this diagnostic code reader is easy to use.
  • SMOG CHECK: MS300 car code reader retrieves I/M Readiness status to check emission-related systems like misfire monitor, fuel system monitor, comprehensive components monitor, O2 sensors, EVAP to help your vehicle ready pass the annual smog check.
  • NO BATTERY NEEDED: MS300 OBDII scan tool communicates with vehicles through standard 16-PIN OBD2 cable and it’s powered by vehicle directly- no battery needed. Please follow the correct usage order: Engine off- Plug MS300 in- Turn Ignition On.

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

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

$28.99
$22.99
 in stock
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • 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!
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Autel AutoHyperlink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool

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

$35.98
$30.58
 in stock
2 new from $30.58
Free shipping
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • 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
  • Patent Guarantee: AL319 Code Reader features a patented One-Click I/M Readiness Key for quick State Emissions readiness check and drive cycle verification. No batteries are needed as it will get the power directly from the OBDII Data Link Connector in your vehicle
  • User-Friendly Design: This check engine code reader equipped with TFT color display which shows DTC definitions more clearly, built-in speaker provide audible indication, LED Indicator etc. 2. 5 feet long cable is long enough without getting in the way
  • Extensive Application: Compatible with 7 languages and various post-1996 OBD II protocol vehicles, this OBD2 scanner provides accurate and fast diagnosis for worldwide car owners. 12 months warranty from the date of purchase and lifetime free update are offered by this Automobile OBDII scan tool

ANCEL AD530 Vehicle OBD2 Scanner Car Code Reader Diagnostic Scan Tool with Enhanced Code Definition and Upgraded Graphing Battery Status

ANCEL AD530 Vehicle OBD2 Scanner Car Code Reader Diagnostic Scan Tool with Enhanced Code Definition and Upgraded Graphing Battery Status

$64.99  in stock
2 new from $64.99
Free shipping
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • Works on most vehicles sold in the USA with the model year of 1996 or newer, 2000 EU-Based and 2005 Asian-Based cars or newer. It supports ALL OBDII protocols - ISO9141, KWP2000, J1850 PWM, J1850 VPW, and CAN (Controller Area Network). It also supported 16 languages.
  • Full OBD service modes supported: Turns off malfunction indicator light (MIL), read/erase fault codes and reset the monitor, graphing Lives data stream, view freeze frame data, O2 sensor test, EVAP system test, I/M readiness status (emissions), advanced On-Board monitoring test and retrieves vehicle information (VIN).
  • The improved battery detection function allows monitoring your vehicle battery automatically with reliable real-time graph data form instead of a direct result on the screen that an ordinary code reader does, which will ensure that you can access and analyze the accurate live data and determine the battery's health status or expected remaining life. You know ahead of your battery conditions.
  • The enhanced fault code definition function helps you fully understand the meaning of the code without any hassle which an ordinary code reader can't do. Pressing the "i" button will give you accurate repair advice instead of a bunch of technical terms you don't understand. It saves you the trips to a mechanic, lets you decide whether it's something you can fix or need more advanced help, save money and time. Printing fault codes with code definitions are also available.
  • Equipped with a 2.8-inch TFT true color screen, upgraded to a more advanced STM 32-bit CPU which has the specialty of high speed, and steady performance compared to its competitors. Lifetime free software updates to fix the latest bugs or add new parameters. Directly download the software from the ANCEL official website, then follow on-screen instructions to install.

Barcode reader & QR code scanner . Pro

Barcode reader & QR code scanner . Pro

 in stock
Amazon.com
as of 03/03/2021 6:29 PM

Features

  • Special features for Android devices:
  • QR reader
  • Barcode Scanner.
  • The flash can be turned on in low light.
  • Save records.

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