Psa+interface+checker+440+2021 Jun 2026

: Ensure the USB cable remains securely connected during the flashing process to avoid corrupted firmware.

Initiate the diagnostic test. The tool will likely scan the selected interface and report any issues it finds. psa+interface+checker+440+2021

diagnostic interfaces (the hardware used for Peugeot, Citroën, and DS vehicles). : Ensure the USB cable remains securely connected

To test the integrity, voltage stability, and communication capability of the diagnostic link between the OBD-II connector and the vehicle’s network backbone (CAN, LIN, VAN on older models). psa+interface+checker+440+2021

Download from the PSA Service Box portal (requires professional subscription). The latest 2026 version (v4.2) adds support for STLA Medium platform vehicles (new Peugeot e-3008, Opel Grandland).