Foxwell NT644 Review 2023: Pro Professional Car Diagnostic Obd2 Scanner

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A scan tool can save you a lot when you don’t know the problem that your car is facing. Whenever you see the check engine light, it is advisable not to drive the car until you detect what the issue is. That’s why having a diagnostic scan tool is very helpful - it lets you know what problem the car is experiencing and what has to be done.

  • Functions both as an OBD1 and OBD2 scanner
  • Supports all OBD2 modes and covers about 61 vehicle makes
  • Ergonomic design, clear display, and humanized technical support
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Created by Foxwell brand, the NT644 is a powerful ‘All System’ diagnostic scanner. It offers technicians, mechanics, and DIYers affordable professional diagnostic solutions. It is different from other scan tools as it provides wider coverage, better user experience, and more accurate diagnosis. Read this Foxwell NT644 review to know more about this tool.

Technical Specifications of the Foxwell NT644 Pro Diagnostic Scan Tool


Foxwell NT644 Pro




ALL 1987-1996 and later vehicles


Shortcuts and impressive 4.3″ color display

Graph and analog for easy data review

Oil Service Reset(Supports 48 car makes)


Body Control Modules

Check Engine light

I/M monitor readiness test

View Freeze Frame Data

Display Live Data in Text

Throttle Body Alignment

DPF Regeneration(Supports 36 car makes)

Battery Replacement(Supports 24 car makes)

Injector(Supports 34 car makes)

Electronic Parking Brake EPB(Supports 42 car makes)

Software Update

Lifetime Free

Vehicle Coverage

Acura, Alfa, Audi, Au Ford, Astonmartin, Bentley, Benz,
Bmw, Bugatti, Byd, Briliance, Chery, Chrysler, Chevrolet,
Dacia, Fiat, Daewoo, Eu Ford, Ford, Ferrari, Geely,
Great Wall, Lancia, Gm, Jaguar, Lamborghini, Landrover,
Holden, Honda, Isuzu, Hyundai, Infinit, Jaguar, Kia, Karry,
Lexus, Maybach, Mahindra, Mazda, Maserati, Mini, Mitsubishi,
Mercedes, Peugeot, Nissan, Opel, Porsche, Perodua, Proton,
Renault, Rolls, Rely, Riich, Saab, Seat, Skoda, Smart, Scion,
Sprinter, Subaru, Tata, Toyota, Vauxhall, Suzuki, Volvo, Vw Etc..


12 months warranty


14 x 10.1 x 3.1 inches


3.45 pounds


Review of the Foxwell NT644 Scanner

The Foxwell NT644 is also lightweight, compact, sturdy, and very easy to use. The large color TFT screen displays all the outcomes, and it has a rubber casing to prevent breakage of the code reader. These and many other features make the NT644 be a reliable and high performing scan tool. The tool is perfect the professional mechanic. You will not find these types advanced features in the other model like Foxwell NT624 scanner and Foxwell NT510 scan tool.


  • Easy to use
  • Multilingual menu
  • Wider compatibility
  • It is internet updateable
  • Reads and erases error codes
  • Dedicated Technical Support
  • Supports all 10 OBDII test modes
  • Reads and erases error codes
  • Durable construction with a protective rubber casing
  • It has access vast range of controllers like ABS, Airbag, Instrument cluster, etc.


  • None

A good scan tool should be durably made to last long. Car repair shop floor, tarmac, and areas where these code readers are used are rough and need sturdy devices to stay strong. So, it is crucial to acquire a scanner that is made of hard plastic. It should also have rubber edges or casing to prevent it from crashing on accidental falling. This is what you get when you buy the Foxwell NT644 code reader. The NT644 is also compact in design and very easy to handle. Its ergonomic design makes it comfortable to use for long hours. Foxwell NT644 comes with a durable casing for storage after use. Hence, you can be assured that your device will be safe.

Perfect for Technicians and DIYers

One of the challenges that face DIYers and startup technicians is complex scan tools that are difficult to comprehend. A scan tool should be easy to use and interpret. The NT644 code reader has an intuitive user interface. In addition, it has a multilingual menu which enables different users to have an easy time setting the language of their choice. All you need is to plug in the device and get started right away. You should insert the SD memory card before using the device so that you can backup data for later reference.

Support OBD1 & OBD2

This is the best scan tool if you are looking for a versatile scanner. Most of the Foxwell scanner like the Foxwell NT630 plus does not support obd1. But Foxwell 644 is compatible with both OBD 1 and OBD2 cars, SUVs, light duty-trucks, and Minivans sold around the world. Additionally, it has advanced EPB functionalities on 13 car manufacturers. Apart from that, it supports the most commonly utilized services including oil reset, TPS/TBA, EPB, and BRT. Furthermore, it supports all 10 OBD 2 test modes like O2 sensor test, live data, component test, and many more. It performs basic functions such as retrieving ECU information, offers live data graphing, and identifies the vehicle sensors data in text and graph format. The device can also view up to 4 parameter graphs simultaneously and easily zero in on a specific string of data.

Support More than 61 Vehicles

Use the NT644 scan tool on your Ford, GM, Mitsubishi, Chrysler, Fiat, Mazda, Citroen, Lancia, and many other car makes and models from America, Asia, and Europe. You will not be left behind as it can be updated via the internet to get the latest bug fixes, newly added parameters, new vehicles, and functionality. With such features and great performance, this is an amazing scanner to have. It comes with additional accessories like memory card, USB cable, User’s guide, diagnostic cable, and blow molding case.


  • Durable construction with a protective rubber casing
  • Multilingual menu
  • Reads and erases error codes
  • Wider compatibility
  • Supports all 10 OBDII test modes
  • It is internet updateable
  • Easy to use
  • Advanced Functionality
  • It has access vast range of controllers like ABS, Airbag, Instrument cluster, etc.
  • Dedicated Technical Support


  • It is important to find out if the scan tool can cover every function that you need in your car. This scan tool doesn’t cover some functions.
  • The diagnostic scanner is a bit costly when compared to devices with similar features. So, if you are looking for a cheaper device with similar features, look elsewhere. If you are a DIYer and want to buy a basic scan tool, then you can check the Foxwell NT301 obd2 scanner.


The Foxwell NT644 scanner is a powerful and accurate diagnostic scan tool suitable for professional technicians and mechanics. It is sold at a slightly higher price but the features it offers are worth every penny. The NT644 code reader is lightweight, compact, sturdy, has a wider compatibility, and supports all the OBD2 protocols. This makes it be an excellent scanner for individuals looking for a reliable and accurate car diagnostic scanner.

Foxwell is a wonderful brand and it is known for its outstanding scan tools. But when choosing a scanner, ensure that you check and see if it has the features that you desire. Some scanners may not be able to carry out some functions on some car makes or models. I hope, after reading this Foxwell NT644 review article, You have gotten a clear idea.

6 thoughts on “Foxwell NT644 Review 2023: Pro Professional Car Diagnostic Obd2 Scanner”

  1. Does It cover most of 2007 diesel 2500 6.6 and GMC Silverado and Cadillac. Which I own. talking about the perimeters. Like throttle body resets.

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