Full System Vehicle Health Check for GM Vehicles
The VdiagTool D501 is a professional full-system diagnostic scanner specially designed for GM vehicles, including Buick, Chevrolet, Cadillac, and GMC. It delivers a complete vehicle health check, providing access to all major control modules such as ECM, ABS, SRS, BCM, EPB, TPMS, EPS, and more — ensuring no fault code is left behind. With fast auto-scanning, accurate fault code reading and clearing, and real-time data monitoring, the D501 helps you quickly identify issues and maintain peak vehicle performance. The intuitive interface makes diagnostics simple and efficient, whether you’re a professional technician or a GM vehicle owner.
All-in-One OBD2 Diagnostics for Smarter Vehicle Maintenance
Turn your smartphone into a powerful diagnostic center with the VdiagTool D501. This all-in-one OBD2 scanner gives you full access to essential vehicle diagnostics, making car health checks simple, fast, and accurate. With support for reading and clearing fault codes, live data streaming, freeze frame viewing, I/M readiness checks, EVAP system tests, O2 sensor tests, vehicle information, and on-board monitor tests, the D501 covers everything you need for daily diagnostics and maintenance.
Professional Bi-Directional Control for Faster, Smarter Diagnostics
Take full control of vehicle diagnostics with advanced Bi-Directional Control. This feature allows you to actively send commands to a car’s ECUs, letting you test and activate components like ABS pumps, injectors, windows, door locks, headlights, wipers, fans, valves, and more—directly from the tool. By verifying real-time component responses, technicians can quickly pinpoint faults, reduce diagnostic time, and eliminate unnecessary part replacements.
51+ Advanced Special Functions for GM Vehicles
Unlock powerful GM-specific diagnostics with 51+ special functions designed for Buick, Chevrolet, Cadillac, and GMC models. Easily perform key services such as module resets, relearns, adaptations, calibrations, battery matching, steering angle calibration, injector coding, ABS bleeding, TPMS relearn, and more. Built to handle complex maintenance tasks efficiently, this tool helps you service GM vehicles with greater accuracy and confidence.
Note: Available service functions vary by vehicle. Please contact our customer support team via online chat or email us at service@vdiagtool.com to confirm compatibility in advance.
J2534 Pass-Thru Programming Support
The device supports J2534 pass-thru programming, enabling professional-level ECU reprogramming and module updates for GM vehicles.
To use J2534 programming, you will need:
- A PC/Laptop running Windows 10 or later
- VDIAGTOOL driver software installed
- Official OEM factory diagnostic software for the vehicle brand
Download the VDIAGTOOL driver here: download the driver
Once these tools are prepared, the D501 can operate as a J2534 pass-thru device, enabling the PC to communicate with the vehicle for software updates, programming, and module configuration.
Wide Application for All DC 3–70V Electrical Systems
The VdiagTool P60 operates seamlessly across a 3–70V DC range, making it the ultimate diagnostic tool for a variety of vehicles. Perfect for motorcycles, cars, SUVs, heavy-duty trucks, trailers, RVs, and boats, it handles voltage checks, circuit troubleshooting, polarity testing, and continuity diagnostics with ease. Whether in a workshop or on-site, the P60 delivers reliable performance across all supported automotive and marine electrical systems.
Bidirectional Voltage Testing with Dual LED Indicator
The VdiagTool P60 features bidirectional DC voltage testing with dual independent red and green LEDs for fast and accurate polarity identification. The intuitive Red/Green LED indicators instantly show positive (+) and negative (–) polarity, ensuring reliable results without misleading signals. Designed for durability and stability, it outperforms standard single-light test pens and enables quick diagnosis of continuity, polarity, open circuits, ground issues, and short circuits. With its LED digital display, this voltage tester delivers professional-grade performance for efficient troubleshooting of automotive electrical systems, making it ideal for both DIY users and professional technicians.
GM Vehicle Coverage – Wide Compatibility & Global Language Support
Designed specifically for GM vehicles, this diagnostic tool is fully compatible with Buick, Chevrolet, Cadillac, and GMC models, covering a wide range of systems and applications. Whether you’re performing routine checks or advanced diagnostics, it delivers accurate and reliable results you can trust.
The D501 supports 22+ languages, including Arabic, Traditional Chinese, Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Turkish, and Vietnamese.
How to Use the D501 OBD2 Scanner
- Step 1: Download the "VdiagTool" App from Google Play or App Store.
- Step 2: Open the app, register an account, and then scan the QR code on the back of the device to activate it.
- Step 3: Plug the D200 OBD2 scanner with bidirectional control into OBD2 Port.
- Step 4: Turn on the ignition and start the car.
- Step 5: Click for BT setting on your phone/iPad for pairing and start the diagnosis.
Note: If there are any questions, please reach us via service@vdiagtool.com
Packing List
Package Box*1, D501 VCI Unit*1, Type-C Cable*1, Type-C to Type-A Adapter*1, Multilingual User Manual*1, Tool Kit*1.
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