The LAUNCH X-431 HD3 Heavy-duty Truck Module represents a cutting-edge heavy-duty truck fault diagnostic tool developed by Launch Tech, integrating internet capabilities on the Android OS platform. This module communicates seamlessly with X-431 PRO3, X-431 PAD II, and PAD III via Bluetooth, enabling comprehensive fault diagnosis for diverse car models and complete systems. Boasting extensive car model coverage, robust test functions, and precision in test data, this module offers numerous advantages. Experience a powerful diagnostic tool with advanced features, ensuring accurate results and facilitating efficient troubleshooting for heavy-duty trucks. Elevate your diagnostic capabilities with the LAUNCH X-431 HD3 Module.

The Launch X431 HD3 Heavy-duty Truck Module stands at the forefront of advanced diagnostics, offering a robust suite of features for seamless troubleshooting. With its comprehensive HD truck diagnostic software, expansive coverage, and precise test data, it ensures a thorough examination of heavy-duty vehicles. Regular and timely software updates guarantee access to the latest services, providing customers with cutting-edge solutions. The module accommodates both 12V and 24V battery diesel engines without the need for conversion during 24V truck testing. Crafted to international standards, its diagnostic hardware is universally compatible, featuring a wide-range connector and cable for added convenience. Supporting renowned brands globally, including Benz, Volvo, Scania, Freightliner, and more, this module is characterized by its powerful special functions, real-time connection status indicators, IP65 protection, and a shockproof case. Elevate heavy-duty truck diagnostics with the Launch X431 HD3 module — your reliable and versatile solution in the world of advanced vehicle diagnostics.

LAUNCH HD3 Software Activate & Download:
If you had a diagnostic tool of 12V passenger car configuration and intend to extend the diagnostics of commercial vehicles, follow the steps described below to activate the HD III:
Note: Please make sure that the diagnostic tool is properly connected to the Internet before proceeding this step.

1. Launch the application, and log in the system using the existing user account of Passenger Vehicle Configuration, and then tap “Personal Center (or )” -> “Activate VCI (or “Activate Connector )”.
2. Input the Product S/N and Activation Code, which can be found in the supplied Password Envelope, then tap “Activate” to activate the HD III.

3. Tap “Update” to enter update center, tap “Update” to download and install the diagnostic software of Commercial vehicles.
4. After the software download is complete, a new “Heavy-duty” tab will appear on the Diagnostic main menu screen.

How to set up Launch X-431 HD Module Bluetooth?
Before diagnosing a vehicle, you are suggested to make a Bluetooth pair between X-431 HD3 module and the diagnostic tool. Proceed as follows:
1. Enter Bluetooth setting screen (“Settings” –> “Bluetooth”), slide the Bluetooth switch to ON and will start searching all available Bluetooth devices.
2. Tap the desired one, then key in the PIN code (the default value is 0000) in the pop-up dialog box, and then tap “Pair”.
By default, the Bluetooth name is 98454*****00 (where ***** stands for 5 digits.).
3. Once it is paired successfully, it will appear in the paired devices list.
Note: If no Bluetooth setting is done before diagnostic application is launched, you can also configure it while using the software.

X431 HD3 Package includes:
1set X Launch X431 HD3