The software asking you to connect a VCI even when it's plugged in.
The Interface Checker is a small utility program used to communicate with your (Vehicle Communication Interface). Its primary job is to identify the hardware version and the firmware version currently flashed onto your device. psa interface checker 440 verified
Connect your Lexia 3 VCI to your PC via USB (you don't necessarily need to be connected to the car). Run the executable. Click on "Activate" or "Read" . The software asking you to connect a VCI
If you’re working with vehicles (Peugeot, Citroën, DS, or Opel/Vauxhall), you’ve likely encountered the complexity of diagnostic hardware. When it comes to the Lexia 3 / PP2000 or Diagbox systems, the "440" designation is the gold standard. Connect your Lexia 3 VCI to your PC
If you have the utility, follow these steps to verify your hardware:
Older interfaces were often labeled as "B" versions. While these worked for older cars using Lexia 3 or PP2000 software, they frequently fail or "timeout" when used with newer versions of Diagbox (v7.xx, v8.xx, or v9.xx).