Psa Interface Driver: Actia

Look for an "Unknown Device" or "ACTIA USB Devices." It may appear as "USB Com Board Driver" . Update Driver: Right-click the device and select Update Driver Software . Choose "Browse my computer for driver software." Point the search to your driver folder.

| | ACTIA PSA XS | DiagBox VCI (clone) | OBDLink MX+ | | ------------------------- | ---------------- | ----------------------- | --------------- | | OEM telecoding support | ✅ Full | ⚠️ Partial (SGW fails) | ❌ No | | CAN FD | ✅ (Pro version) | ❌ | ✅ | | Secure Gateway bypass | ✅ (online auth) | ❌ | ❌ | | K‑Line (ISO 9141) | ✅ | ✅ | ❌ | | Official PSA software | ✅ DiagBox 9.x | ⚠️ Up to 7.83 (cracked) | ❌ | | Driver stability | High (WHQL) | Low (unsigned FTDI) | Medium | actia psa interface driver

Do not update the Actia driver via Windows Update. Microsoft may push a generic driver that breaks functionality. If you accidentally update, roll back: Look for an "Unknown Device" or "ACTIA USB Devices

It manages the high-speed USB 2.0 connection, ensuring that electrical noise from the vehicle's engine doesn't crash the diagnostic session. Plug-and-Play Architecture: | | ACTIA PSA XS | DiagBox VCI