Because the latest D-PDU API version (1.20.042) dropped native support for original VAS 5054A hardware, you will need to replace the API folder with the older, compatible 1.20.041 version:
To install the drivers and establish a stable connection between the VAS 5054A and Windows 10, use this standard installation process: 1. Disable Windows Driver Signature Enforcement
You must use versions like ODIS Service 7.2.1 and ODIS Engineering 12.2 or older. Later versions of ODIS completely drop support for the VAS 5054A interface in favor of the VAS 6154. Vas 5054a Usb Drivers
You must boot Windows in Advanced Startup Mode to disable driver signature enforcement or run the software inside a Windows 7 or Windows 10 virtual machine. Step-by-Step Installation Guide for Windows 10
Native compatibility with both 32-bit and 64-bit versions. It integrates smoothly with older ODIS versions up to V5.1.6. Windows 10 (64-bit) Status: Supported via a modified D-PDU API. Because the latest D-PDU API version (1
Accept the default installation folder paths (usually C:\Program Files (x86)\Softing\D-PDU API\ ). 4. Apply the Windows 10 D-PDU API Patch
Right-click and merge the provided .reg file (e.g., D-PDU_API_root_path.reg ) into the Windows registry. Testing Your Installation You must boot Windows in Advanced Startup Mode
Windows 11 enforces strict driver signing and security policies.