VCI that has been confirmed through the Interface Checker as having the correct hardware components and Revision C firmware. Compatibility:
PSA Interface Checker: The Essential Guide for Peugeot & Citroën Diagnostics PSA Interface Checker
Using the PSA Interface Checker to confirm a "440" or similar high-level revision ensures that the interface has the necessary hardware components to talk to modern CAN-bus systems found in newer Peugeots and Citroëns. Key Functions of the PSA Interface Checker Tool
: If Diagbox updates the firmware to a version that causes the interface to stop working (a common issue with clone devices), the Checker can downgrade it to a stable version like 4.2.4. Understanding Hardware Revisions (B vs. C) psa interface checker 440 verified
. It should display your serial number and current revision. To update to Revision C or a newer firmware: "Select File" and choose the appropriate file (e.g., vci_updater.com "Downloading" "Download the Flash App"
Click the “Full Test” or “Verify” button. Do not interrupt the process. The tool will run:
Often sold at a very low price, these boards miss vital physical microchips, Optocouplers, and filter capacitors. Even if flashed to look like a Revision C on screen, they over complex CAN-bus networks found in modern vehicles like the Peugeot 308 or Citroen C5. They are typically restricted to working with older vehicles using DiagBox V5. 2. Revision C (Full Chip Kit) VCI that has been confirmed through the Interface
It is worth noting that when running DiagBox version 7.xx, the interface firmware updates automatically at software launch. Similarly, on version 9.XX, updates occur at the initiation of a diagnostic session. The PSA Interface Checker provides an alternative when manual control is required.
The hardware lacks the necessary components to support the 440 firmware.
Communicating with all vehicle modules beyond standard engine codes. Understanding Hardware Revisions (B vs
Click to execute an internal audit. The app will return your current version (e.g., APPLI_XS_Fuji_P106138A V4.3.7 ). Phase 3: Flashing Firmware 4.4.0 Click on the "Select File" option.
(like VMware) or a native installation?
The tool allows users to check the current firmware version installed on their diagnostic interface, verify critical hardware identifiers, and reflash the interface with appropriate firmware files. It is designed specifically for use with the XS Evolution interface hardware, which forms the foundation of most PSA-compatible diagnostic tools.