Re-run the application and click to confirm the screen displays v4.4.0 . Troubleshooting Intermittent Communication Faults PSA interface checker - French Car Forum
The green LED on the interface flashes three times only, then stops. psa interface checker 440 link
The interface checker reads the microcode stored in the device's main microprocessor. It helps differentiate between restricted units and fully compliant Revision C hardware. Revision C is required to access modern CAN-bus architectures found in newer PSA platforms. Firmware Cross-Flashing Re-run the application and click to confirm the