VdiagTool VD31

Compact OBDII Diagnostics & Key Battery Tester

Stop guessing and avoid overcharging! All-In-One VD31 OBD2 Scanner combines a Code Reader, Car Battery Tester, and Key Fob Battery Checker. Quickly diagnose check engine lights, test battery health, and solve car issues yourself. Save time and money with this essential car diagnostic tool.

Full OBDII Car Code Reader

The VdiagTool VD31 performs all 10 essential OBD2 tests, making it a powerful alternative to tools like the FIXD car diagnostic tool. It can turn off the Check Engine Light (CEL), read/clear fault codes, display live data with 4-in-1 graphing, and access freeze frame data. Additional features include one-click I/M readiness (smog check), on-board monitor test (Mode 06), component test, O2 sensor test, vehicle info, and module present. Bonus functionalities such as voltage test, DTC lookup, data playback, and data printing make this a comprehensive tool. Get this car code reader today and save yourself time and a costly trip to the dealership!

Unlock The Power Of Your Car Keys With VD31

Looking for a reliable tool to test your car keys? The VD31 is equipped with cutting-edge technology that allows you to easily test your vehicle’s key functionality, ensuring your keys are working properly and efficiently. It also reads real-time car battery voltage to help determine the health and condition of the car battery.

Just Use VD30 Pro Solve All Problems 

When do you need the VdiagTool VD31 OBD2 scanner tools? You may need it when the engine fails to start, the engine light is flashing, the car keys cannot be started, the car lacks power going uphill, fuel consumption suddenly increased, the engine temperature is too high, or there is loud engine noise.

Read/clear Engine Fault Codes

VdiagTool VD31 OBD2 scanner not only supports reading car engine fault codes, but also has a built-in 100000+ DTC lookup, which can help you quickly understand the meaning of the fault code to improve the diagnostic efficiency of clearing the fault code.

One-click Smog Check

With a dedicated I/M Readiness hotkey, this check engine code reader with reset instantly shows emission monitor status on a single screen—no cycling through submenus. Whether you’re prepping for a state inspection or diagnosing a stubborn MIL, the VD31 escaner automotriz makes it simpler and more efficient than scanners like the FIXD car diagnostic tool that rely on color‑coded LEDs or require external printers.

Live Data & Data Printing 

This engine scanner code reader can read data from vehicle sensors, such as Engine RPM, Intake air temperature, Short/Long term fuel, Misfire data, Throttle position, Engine coolant temperature, Oxygen sensor voltages, Mass air flow and ect, and display 4 PIDs simultaneously and merge them into one to compare. Data Printing is also supported for easy use.

Extensive Compatibility Overview

VdiagTool VD31 OBD2 scanner supports all OBD II protocols:

• KWP200
•  ISO2000
•  ISO9141
•  J1850VPW

American (USA) Cars (1996–now)

Chrysler, Ford, GM, Jeep, etc.

European Cars (2003–now)

Alfa Romeo, SAAB, Acura, Opel, Audi, Seat, Peugeot, Bentley, Skoda, Daewoo, Benz, Daihatsu, Land Rover, BMW, Vauxhall, Citroen, Volvo, Fiat, Volkswagen, Ford, Jaguar, etc.

Japanese Cars (2008–now)

KIA, Isuzu, Honda, Mitsubishi, Hyundai, Dacia, Lexus, Mazda, Nissan, Subaru, Suzuki, Toyota, etc.

Chinese Cars (2010–now)

BYD, Chery, Geely, Great Wall, Karry, etc.

Need Compatibility Check?

Please leave a message in the following format and we will confirm within 24 hours:
Car Brand, Year, Engine Size (e.g., 2.0L), Fuel Type, VIN: XXXXXXXXXXX

VdiagTool VD31 supports 8 languages, including English, Chinese, French, Spanish, German, Russian, Italian, and Polish. 

Made for Many Users

•  Car Owners;
•  DIY Enthusiasts;
•  Mechanics;
•  Home;
•  On The Load;
•  Auto Repair Shops.

Easy to Use

No steep learning curve here—this car code reader and reset tool boots up instantly, with clear menu prompts and one‑click scan. First‑time users will appreciate the straightforward interface: plug in, select “Scan,” and get fault codes and readiness status without extra steps or hidden menus. Compared to competing scanners with cryptic LEDs or tiny displays, VD31 escaner automotriz full‑text feedback ensures you know exactly what to do next.

Your Pro Team, Your Power

The VdiagTool VD31 car code reader automotive diagnostic tool comes with a 2-year warranty, lifetime free software updates via connection to a Windows PC using the included USB cable, and 24/7 tech support. It’s a professional-grade solution and a powerful alternative to the FIXD car diagnostic tool, offering greater functionality and long-term value. For any questions or concerns, feel free to drop us a message at service@vdiagtool.com.