Psa Interface Checker 4.4.0 ((link)) Jun 2026

For the first time, the interface checker includes a live graph of USB-to-VCI communication latency. This is critical because high latency (>15ms) can corrupt ECU flashing procedures.

: Ensures the Actia USB drivers are correctly communicating with the hardware interface. 3. Usage Context in Diagnostics psa interface checker 4.4.0

It is frequently used to flash an interface from "Revision B" to "Revision C" to enable better communication with newer vehicles that utilize advanced CAN bus architectures. Key Features of Version 4.4.0 For the first time, the interface checker includes