Before running the software, ensure you have a stable Windows environment (Windows 7, 10, or 11 running in 32-bit or 64-bit mode) and that your Lexia 3 interface is plugged into a USB port. Step 1: Connect Your Hardware
Firmware files (e.g., APPLI.com , vci_updater.com , firmware_NLC_pour flash serial B to C.COM ) are typically included in the PSA Interface Checker download package. Some specialized firmware files may be found on:
: Determines if your interface is Revision B (typically cheaper clones) or Revision C ("Full Chip"), which is necessary for newer vehicles and full CAN communication. Psa Interface Checker V3 Download
What version is installed on your diagnostic laptop? Share public link
| Source | Link | Notes | |---|---|---| | | 1fichier.com | Active French PSA forum; trusted source | | MHH Auto | MHH Auto Thread | Requires free registration | | MEGA.nz Mirror | MEGA Download | Password-protected; tested on clone VCI 921815B | | AutoDiag-France | HiDrive Link | French-based; includes flashing tutorial | Before running the software, ensure you have a
You may need to disable the automatic update function within the Diagbox software itself.
Yes, but with caveats. VirtualBox and VMware can run PSA diagnostics, but some users report that interfaces are not always recognized correctly in virtual environments. If you must use a VM, ensure USB passthrough is properly configured and test thoroughly before relying on it for actual vehicle diagnostics. What version is installed on your diagnostic laptop
If you open the PSA Interface Checker and receive an error like "Initiation Failed" or "Device Not Found" , check the following: