Psa Interface Checker 4.4.0 !!better!! Jun 2026

To change firmware, click Select File to choose a specific APPLI.com file, then click Downloading to begin the flash. This process usually takes less than a minute. PSA Interface Checker and Lexia Version - French Car Forum

the Lexia 3 interface to your PC via USB (connection to the car is not required for checking). the PSA Interface Checker executable. the device to see its current status and revision. psa interface checker 4.4.0

Click the Activate button to establish a connection with the VCI. To change firmware, click Select File to choose

It helps confirm that the USB connection between the VCI and the computer is functional before attempting to connect to a vehicle's OBD port. How to Use the Utility To change firmware