Unlike basic OBD2 scanners that only read engine codes, this driver/interface combo allows access to every ECU in the car (Airbag, ABS, BSI, Climate Control, etc.) [2, 3]. Bi-Directional Communication:
ACTIA driver provides internal logging (enabled via registry key on Windows):
| | 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
1. Understanding the Hardware: Evolution of the XS Evolution
Original units often feature specific stickers (e.g., number 921815C for Citroën), whereas clones frequently reuse the same numbers, such as 921815B or 921815C / 40W07 / 0005451. Physical Markers: Unlike basic OBD2 scanners that only read engine
Key responsibilities of the driver
The driver serves as a protective layer for your PC’s operating system. USB Isolation: Physical Markers: Key responsibilities of the driver The
On Windows 10 and 11, the driver may fail because it isn't digitally signed.