Psa Interface Checker 440 Link |link| -

PSA Interface Checker

The is a specialized utility used by owners of Peugeot and Citroën vehicles to manage the Lexia 3 / XS Evolution VCI (Vehicle Communication Interface) diagnostic hardware. Its most helpful features include:

Use 32-bit Windows:

While newer Diagbox versions support 64-bit, the low-level drivers for the interface checker work most reliably on Windows 7 32-bit or Windows 10 32-bit. psa interface checker 440 link

What is the PSA Interface Checker?

| Parameter | Result | Status | |------------------------|----------------------------|--------------| | Physical Layer | RS-485 / 2-wire + Shield | ✅ Pass | | Baud Rate | 9600 bps | ✅ Pass | | Data Bits/Parity/Stop | 8/N/1 | ✅ Pass | | Link Integrity | Continuous signal | ✅ Pass | | Packet Error Rate (15 min) | 0.003% | ✅ Pass | | Round Trip Delay | 12 ms (avg) | ✅ Pass | | CRC Failures | 2 / 10,000 frames | ⚠️ Marginal | PSA Interface Checker The is a specialized utility