D9HD OE-Level Diagnostic Scanner for Heavy Duty Trucks & Cars

Description

The Ultimate Diagnostic Solution for Machine Shops & Professional Technicians. The  D9HD is a cutting-edge diagnostic scanner engineered for the demanding needs of heavy-duty truck and passenger car repair. As the 2025 newest model, it provides a powerful, 3-in-1 solution to handle 12V cars and 24V trucks with a single device. Empower your workshop with OE-level capabilities, advanced programming functions, and a comprehensive connector kit to tackle any job with confidence.

• 3-in-1 Coverage for 12V Cars & 24V Trucks: Seamlessly switch between diagnosing passenger cars and heavy-duty commercial trucks. The D9HD automatically adapts its power supply between 12V and 24V, making it the only tool you need for a mixed fleet.

• OE-Level Full System Diagnostics: Gain full functionality for reading and clearing codes, viewing live data, and performing comprehensive system scans on all available modules (Engine, ABS, SRS, TPMS, Transmission, etc.). The included health report provides a clear overview of the vehicle's status.

• Intelligent Topology Mapping: Boost your diagnostic efficiency by up to 65%. The topology map visually displays the interrelationships between various vehicle modules in a color-coded tree structure. Quickly pinpoint the location of a failed module and reduce the guesswork involved in complex repairs.

• Bidirectional Control (Active Tests): Save valuable time by using the D9HD to send commands directly to a vehicle’s ECUs. Perform active tests on components like injectors, fuel pumps, window motors, horns, and fans to quickly confirm their functionality without disassembly.

• 42+ Integrated Maintenance & Service Functions: A complete maintenance solution in one device. The D9HD offers over 42 service options to meet routine and advanced repair needs, including DPF Regeneration, Oil Reset, EPB, TPMS, Throttle Relearn, and more.

• Advanced ECU Coding & Programming: Perform in-line coding, component matching, and adapt data resets for VW, Audi, and Skoda vehicles. The PMI (Programmable Module Installation) function allows you to copy data into new modules for Ford, Lincoln, and Mazda.

• Quality Hardware with Complete Connector Kit: The D9HD features an intuitive Android 10 operating system, a 9.7-inch touchscreen, and a quad-core 1.8GHz processor for smooth operation. With a large 10000mAh battery and a complete set of connectors for various vehicle types, you're always ready for the job.

Attention

• Choose the D9HD: If you specialize in the repair of heavy-duty trucks, commercial vehicles, or diesel/gasoline vehicles and need powerful truck protocol compatibility and exclusive diagnostic functions, the D9HD will provide you with the most efficient and professional support.
• Please send the specific model and function to ask the seller whether it is
  compatible before purchasing.

Includes

Installation steps

1. Connect the Device

• Power On: Press and hold the power button to turn on the device.
• Connect: Find the vehicle's OBD port and use the included diagnostic cable to connect the device. The D9HD supports both 12V cars and 24V trucks.
• Ignition: Turn the vehicle's ignition to the ON position (the engine does not need to be running).

2. Start Diagnosis

• The device will automatically identify vehicle information. If it fails, you can manually select the vehicle model.
• Tap "Diagnosis", then select "Auto Scan".
• Wait for the scan to complete. The screen will show a Topology Map.
• Green = Normal.
• Red = Fault detected.
• Tap the red section to view detailed fault codes.

3. Common Functions

• Read & Clear Fault Codes: In the fault module, you can view and clear fault codes with one tap.

• Live Data Stream: Monitor real-time vehicle sensor data, such as engine RPM and water temperature.

• Special Functions: Perform various maintenance and resets, such as DPF regeneration and oil reset.

• Bidirectional Control: Use the device to directly control vehicle components (e.g., wipers, windows) for quick testing.

4. Device Maintenance

• Update: Connect to Wi-Fi and tap "Upgrade" to keep the device software and vehicle database up to date.
• Charge: Use the provided charger to charge the device.
• Important Tip: Before performing any operations, please ensure the vehicle and the diagnostic tool have sufficient power and the connection is stable.

Details