Psa Interface Checker Download ((hot)) May 2026

Avoid standalone downloads from unverified sources. Instead, use the integrated VCI test functions within your diagnostic software or contact your VCI supplier for the official utility. Report prepared for informational and safety guidance purposes.

1. Overview The PSA Interface Checker is a diagnostic software utility developed by Stellantis (formerly PSA Group, including Peugeot, Citroën, DS, Opel, and Vauxhall). Its primary function is to verify the communication, driver installation, and firmware status of third-party VCI (Vehicle Communication Interface) units—specifically the PSA XS Evolution or DiagBox interfaces—when connected to a Windows-based PC.