Launch X-431 B Box Pad HD Extension Module

This extension module is designed to work with compatible Launch X‑431 main diagnostic hosts (such as PAD VII, PRO3, PRO5, etc.) and expands your diagnostic capability — especially for heavy‑duty vehicles like trucks, buses and commercial vehicles. It integrates with the base Launch X‑431 software to unlock extended functions.

• Connect the B Box Module to Your Main Tool

  • Using the provided cable, plug the extension module into the appropriate port on your Launch X‑431 host unit (PAD or SmartLink).

  • Make sure the connection is secure.

• Power On Your Main Device

  • Turn on the X‑431 tablet/interface and ensure Bluetooth/Wi‑Fi (if used) is enabled — depending on connection method.

• Update Your Software

  • On your Launch tablet, open the X‑431 main diagnostic app.

  • Go to the software updates section and download the latest software & extension support packages — this ensures compatibility with the B Box module.

• Activate the Module (If Required)

  • Some Launch modules require activation before use.