Actia Psa Interface Driver [updated] -

%PSA.DeviceDesc% = Install, USB\VID_0BDA&PID_0100 %PSA.DeviceDesc% = Install, USB\VID_0403&PID_6001

Always verify your interface by opening Device Manager before installing drivers. Note the USB Vendor ID (VID) and Product ID (PID). A genuine Actia typically shows VID_03F7 or VID_0525 . Many clones use VID_0483 (STMicroelectronics). actia psa interface driver

| | Solution | | ----------------------------------------- | ----------------------------------------------------------------- | | Driver not loading – “Code 52” (unsigned) | Disable driver signature enforcement (temporary) or install WHQL version | | Interface not detected in DiagBox | Run ACTIA Firmware Updater → reflash bootloader | | K‑Line errors on older cars | Set latency timer in driver to 2 ms (Device Manager → COM port) | | Secure gateway (SGW) block | Use actia_sgw.dll + valid dealer certificate (online activation) | Many clones use VID_0483 (STMicroelectronics)