Psa Interface Checker - V3 Download [exclusive]

If you attempt to use an old firmware version with a modern installation of , one of two things will happen:

| Tool | Purpose | Download Size | Use Case | | :--- | :--- | :--- | :--- | | | Hardware & driver test | ~20 MB | Pre-diagnosis verification | | DiagBox / PP2000 | Full vehicle diagnosis | ~5 GB | Reading codes, programming | | Firmware Updater | Flash VCI firmware | ~50 MB | Upgrading interface | | Lexia 3 | Legacy software (pre-2010) | ~500 MB | Older Citroën/Peugeot | Psa Interface Checker V3 Download

: Identifies the serial number and configuration profile of your device. If you attempt to use an old firmware