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This may indicate a corrupted installation or driver conflict. Reinstall the PSA Interface Checker and ensure no other diagnostic software is running simultaneously.
The is a standalone, single-window utility designed to identify, configure, and manually flash the internal firmware of an ACTIA XS Evolution VCI .
: Original VCIs have specific markings (e.g., "921815C"), whereas many clones may require manual firmware management via the Interface Checker to remain functional with updated software. Basic Usage Steps psa+interface+checker+440+2021
After flashing or updating, do not click "search for updates" within the tool—this may deactivate your interface and require a full reinstallation.
Click to flash the firmware to the VCI. Do not unplug the device during this process to avoid "bricking" the hardware. Critical Troubleshooting Tips PSA Interface Checker and Lexia Version - French Car Forum This may indicate a corrupted installation or driver
Прога PSA Interface Checker — Сообщество - Drive2
Displays the serial number and reference (9780.Z5) to confirm if the device is recognized as a genuine or high-quality clone. ⚡ Why Use the 2021 Update? : Original VCIs have specific markings (e
or later, the PSA Interface Checker is a mandatory part of your toolkit to ensure your VCI firmware (often version 4.3.7 or higher) is compatible with the software. It is a "set it and forget it" tool—once your interface is correctly flashed to Revision C, you likely won't need it again until you update your diagnostic software suite. Are you having trouble identifying your interface's current revision , or are you looking to upgrade to a specific firmware version
After the flash was complete, you would unplug the USB cable and reconnect it. The computer would prompt you to install a new driver for the updated device, which was the final sign of a successful "440" update.
PSA Interface Checker 4.4.0 (2021) is a specialized diagnostic utility used by Peugeot and Citroën (PSA Group) technicians and DIY enthusiasts. It is designed to verify the firmware version of Diagbox interfaces and ensure compatibility between the hardware (Lexia 3 / XS Evolution) and the software (Diagbox). 🛠️ What is PSA Interface Checker 4.4.0?