Psa Interface Checker Scary Mistake Fix

Connect the VCI to the computer via USB (do connect it to the car's OBD port during this process). Run the PSA Interface Checker and click ACTIVATE . Wait for the "INIT OK" message.

A USB disconnect during the flashing process corrupts the bootloader. How to Fix It psa interface checker scary mistake fix

Always run the PSA Interface Checker and driver setup in Windows XP SP3 Compatibility Mode , even on newer systems like Windows 7 or 10, to ensure stable communication. Connect the VCI to the computer via USB

For interfaces: