We’ve spent hundreds of hours researching and comparing Best Diagnostic Tool of all specifications to find the best one for any need (or budget). Here are the results.

The Best Best Diagnostic Tool of 2020 – Top Rated & Reviewed

2,063 Reviews Scanned

SaleRank 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.
SaleRank 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.
Rank No. #3
ANCEL AD310 Classic Enhanced OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black
  • Classic design, fast scan and erase trouble codes, even a beginner can use it read the error code, find out what the problem is and perhaps fix it. Save money and time. It can not read and erase ABS, SRS(Airbag), and other systems fault codes.
  • 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.
SaleRank No. #4
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.
SaleRank No. #5
OBD2 Scanner for Car, Car Code Reader, Universal Diagnostic Tool for Check Engine Light, Easy Auto Vehicle Scan Tool for All OBDⅡ Car After 1996
  • 🚗 Super Easy and Fast Scanner 🚗 – The Kasmotion OBD2 scanner for car is super easy and fast for detecting the engine system, reading and erasing error codes. Just plug into your vehicle’s 16pin OBDⅡDLC, and you will know the cause of the fault code instantly on the scanner screen. Then you can fix it by yourself, saving money and time.
  • 🚗 More Car Data Review 🚗 – Not just read and clear error car code, Kasmotion car diagnostic tool also can View Freeze Frame, I/M Readiness, Vehicle Information, Data Stream, BAT-Battery Voltage, DTC Lookup and Realtime Curve (Car Speed, Calculate Load Value, Engine Coolant Temp, Engine RPM). Helpful car accessories to get your car data anytime anywhere.
  • 🚗 Pass Emission Test🚗 – With I/M Readiness, Kasmotion car scan tool for all vehicles can check the operating situation of vehicle emission system that is accorded with OBD2 standard. A good function to see if it complies with the state emission policy and get your vehicle ready to pass the annual smog check.
  • 🚗 Wide Vehicle Coverage 🚗 – Our car code reader is compatible with all OBD2 cars after 1996. Support 7 languages, like Deutsch, Dutch, English, Italiano, Español, Français, Chinese. Supports all OBD2 protocols: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 (KWP2000), and ISO 15765-4(CAN). But it is incompatible with new energy vehicles, hybrid vehicles.
  • 🚗 Worry-Free Service🚗 – Plug & Play, no battery or charger required. Kasmotion OBD2 car code scanner is the first choice if you wanna check the problem of your car by yourself and fix it immediately. If you have doubt in the compatibility, feel free to contact us. We also offer lifetime after-service for you.
Rank No. #6
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
  • 🎁【Great Gift Idea】: Top present choice for your father, husband, brother or boyfriend.EVERY CAR OWNER WILL NEED IT! It comes with protective case with rugged and handy design.Get NT604 Elite car code reader and give your lover a surprise!
  • 🎄【Easy to Use--Work out of box】+【FOXWELL 2021 New Version】 FOXWELL NT604 Elite scan tool is the 2021 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 OBDII code reader (50-100 USD), NT604 Elite obdii scan tool 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 obd code reader, 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 diagnostic scanner for all cars with reset will 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.
Rank No. #7
Autel AutoLink AL519 OBD2 Scanner Enhanced Mode 6 Car Diagnostic Tool Check Engine Code Reader CAN Scan Tool, Upgraded Ver. of AL319
  • 👍【TURN OFF CHECK ENGINE LIGHT】: Autel AL519 is an enhanced OBDII scanner that allows you to check all engine related fault codes, figure out check engine light alerts and perform proper repair with the definitions and tips displayed for DTCs and turn off the Malfunction Indicator Light(MIL). The auto diagnostic scanner can locate bad O2 sensors, perform EVAP tests(Mode 8), On-Board Monitor Tests(Mode 6) and component tests, check misfire and fuel system and retrieve vehicle information and etc.
  • 👍【THE MOST COMPLETE OBD2 SCANNER】: AL519 obd2 scanner can perform all 10 modes of obd2 tests like read, clear diagnostic fault codes(DTCs), retrieve readiness status to pass smog check, freeze frame data and live data of multiple sensors in graph to figure out fault causes, check fuel efficiency and emission conditions via O2 Sensor and EVAP Test (Mode 8), On-Board Monitor Test (Mode 6), retrieve Vehicle Info, show definitions of DTCs and tips for repair with DTC lookup and unique Code Breaker.
  • 👍【UNMATCHED OBDII VEHICLE COVERAGE】: Autel AL519 car diagnostic scanner supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. AL519 car diagnostic tool is compatible with all obdii-compliant vehicles: sedans, SUVs and light trucks post 1996 in US, post 2000 for EU-based and Asian cars. This plug-and-play engine diagnostic code reader retrieves all kinds of codes(generic, manufacturer specific and pending codes). No batteries or apps needed for super ease of use!
  • 👍【PATENTED ONE-CLICK SMOG CHECK】: Autel AL519 obd2 diagnostic scanner comes with patented One-Click I/M Readiness Check to check the conditions of the Emission System which includes continuously tested monitors like misfire monitor, fuel system monitor, comprehensive components monitor and non-continuous monitors like O2 sensors, EVAP system, EGR system and etc, making this enhanced obd2 scanner an excellent engine scanner to help your vehicle pass the annual smog check.
  • 👍【LIFETIME FREE UPDATES & 0% RISK PURCHASE】: Autel AutoLink AL519 OBD2 scanner engine analyzer comes with lifetime free software updates and is backed by 30 Days REPLACEMENT or FULL REFUND, 12 Months free from defects after-sales services. Should there be any questions or issues, please feel free to contact our 24/7 customer service team via 🚘auteldirect @ outlook. com🚘.
Rank No. #8
EDIAG YA201 2021 Enhanced obd2 Scanner, Full OBDII Functions 10 Modes Engine Fault Code Reader,Mode 6,O2 Sensor Test, Battery Test, EOBD OBDII CAN Diagnostic Scan Tool for All 1996 & Newer Cars
  • 2021 Elite Ver. Live Data Graphing Code Reader👍【WORTH: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)
  • ✅ 【WORRY FREE: 5 Yrs Warranty & Lifetime Free Update】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
SaleRank No. #9
AUTOPHIX BMW Diagnostic Scanner Tool ,Enhanced BMW 7910 Multi-System OBD2 Scanner Auto Fault Code Reader with Battery Registration for All BMW After 1996
  • ➤【VEHICLE DOCTOR FOR BMW】AUTOPHIX 7910 diagnostic scanner is capable of reading and clearing diagnostic trouble codes from all major systems.Including Engine,ABS,SAS,SRS,TPMS,Reset oil service,Reset Fuel Pump, EGS Clear Adaptions,Force DPF Regeneration, Replace DPF,Battery Health Check,Reset Electronic Parking Brake, Reset Steering angle Sensor, and so on.
  • ➤【POWERFUL SPECIAL FEATURES】Battery registration,oil light service reset,Idle speed adjustment,fuel injection rate,CO adjustment,clear adaptions,learn valvetronic limit Positions,Exhaust Gas Recycling,Bleeding Routine,Mix-up Checks,IQA,Brake Lines,Adjustment steering-angle sensor,include 22 special CBS functions of reseting/correcting,plus multilingual menu Options and code definitions.
  • ➤【FULL OBDII DIAGNOSIS】 AUTOPHIX 7910 Enhanced OBDII scanner can read and earse the trouble codes that can cause emission problems with your vehicle, turn off the MIL (check your car engine) and I/M readiness ,read data stream,vehicle identification Info (VIN, CIN, CVN).Built in a DTC lookup library you can find the related code definitions to help you determine if your car needs repair, save you time and money.
  • ➤【EASY TO OPERATE】 AUTOPHIX 7910 car diagnostic tool via 2.8" TFT 262K true color LCD display screen to indicates the test results , with the silicone keypad you can easy to access the each of menu options, Rugged drop-proof case Prevent falling, the menu layout on the screen is easy to understand and you will no trouble to figuring out how to do what you needed.
  • ➤【LIFE-TIME FREE UPDATE】 With 7910 automotive scanner, you can enjoy life-time Free software upgrade, which let you stay current with the latest technology and add newest vehicles. Just download the software from AUTOPHIX website, then follow on-screen instructions to go.this BMW Professional Scanner suitable for personal and auto repair shop.
Rank No. #10
OBD1 Paperclip Diagnostic Tool Tee Check Engine CEL
  • Do you love street racing, hot rod, motorcycle, JDM, go fast, autocross, drift, import tuner, mini truckin, lowrider, muscle car, classic cars, hot hatch, time attack, drag race, motorsport, truck van SUV, stock modified, drifting, stance, RWD FWD AWD fun?
  • Cool trendy garage apparel w/ awesome retro vintage distressed graphic. Great birthday present christmas father's day gift for family collector fan mechanic enthusiast petrolhead, gearhead, boost, time attack, 4x4, utv, camber, turbo, daily driver, gas oil
  • This premium t-shirt is made of lightweight fine jersey fabric
  • Fit: Slim (consider ordering a larger size for a looser fit)

Last update on 2021-10-15 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Best Diagnostic Tool to Buy Now

 

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(4) Amazon Has Great Best Diagnostic Tool Images and Descriptions

In addition to still images, many of Amazon’s Best Diagnostic Tool have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Best Diagnostic Tool descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

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Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Best Diagnostic Tool. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Best Diagnostic Tool (with Price and Reviews)

Although most Best Diagnostic Tool are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Best Diagnostic Tool:

(1) Best Diagnostic Tool Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Best Diagnostic Tool should be in line with its value. You can compare Best Diagnostic Tool reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Best Diagnostic Tool is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Best Diagnostic Tool materials differ from manufacturer to manufacturer. Consider where and how you will be using your Best Diagnostic Tool to determine if one material would be better than another.

(4) Size

Like most products, Best Diagnostic Tools come in various sizes. Do you need a large Best Diagnostic Toolor a small one? Think about where you will use your Best Diagnostic Tool in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Best Diagnostic Tools also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Best Diagnostic Tool would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Best Diagnostic Tool will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Best Diagnostic Tool you purchase may affect its durability.

(7) Storage

Will you need to store your Best Diagnostic Tool? If so, you should consider the size and weight of the Best Diagnostic Toolto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Best Diagnostic Tool will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Best Diagnostic Tool. It is hard to know exactly how an Best Diagnostic Tool will perform until you get it home and try it out.

(9) Warranty

Make sure the Best Diagnostic Tool you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.