Interface Checker Download ^hot^ Link: Psa

Avoid updating your VCI firmware through the official Diagbox internet update if you are using a "clone" device, as this can blacklist the interface. PSA Interface Checker and Lexia Version - French Car Forum

: Most modern Diagbox versions (7.x and 9.x) require the "Reference C" serial to work properly. If the checker shows "Reference B," you may need a hardware flash or a different unit. psa interface checker download link