Because this software interacts with low-level hardware drivers, proper installation is necessary to prevent communication errors. System Requirements
: Windows has mapped the wrong driver, or another software package is keeping the COM port open.
The is an essential diagnostic utility software used by automotive technicians and DIY mechanics to identify, verify, and reflash the firmware version of the PSA XS Evolution (Lexia 3) diagnostic interface . This hardware tool connects to Peugeot, Citroen, DS, and Opel/Vauxhall vehicles via an OBD2 cable to interface with factory diagnostic programs like DiagBox , Lexia 3 , and Peugeot Planet 2000 (PP2000) . psa interface checker 440 verified
The PSA Interface Checker is a small, dedicated software application designed to manage and diagnose the firmware on a VCI (Vehicle Communication Interface). For owners and technicians using DiagBox, Lexia, or PP2000, this tool is a lifeline. It primarily serves three critical functions:
If you have an interface in hand—or are considering a purchase—follow this step-by-step guide to verify its status. This hardware tool connects to Peugeot, Citroen, DS,
Allows users to manually downgrade or upgrade firmware versions using .eep and .bin hex files. Why Version 4.4.0 Firmware Matters
Instead of diagnosing a car, this software diagnoses the tool itself. It reads the serial number, the current firmware version, and the internal hardware profile of your interface to determine if it is fully compatible with Diagbox. Why Version 4.40 "Verified"? It primarily serves three critical functions: If you
To modify or verify your VCI firmware using PSA Interface Checker 4.4.0, follow this operational checklist: Step 1: Establish the Physical Connection Disconnect your computer from the internet completely.
The tool provides three main functions essential for maintaining your diagnostic hardware: Identification (Activate):
Identifying the current firmware version installed on the device.
If you have the utility, follow these steps to verify your hardware: