Psa Interface Checker 440 Link ((exclusive))

: Click the Activate button. Once recognized, the status should change to show the device is active. Check Status0;432; :

The interface draws power from the vehicle’s OBD port. If your PSA vehicle’s battery is below 11.5V, the interface’s internal voltage regulator will fail to maintain the CAN bus termination voltage. A weak battery is a frequently overlooked reason for a random 440 link loss. psa interface checker 440 link

Have your firmware file (the .com file, e.g., version 4.4.0) ready. While the tool itself includes a "Version" button to read the current firmware, you need the destination file to perform the flash. : Click the Activate button

PSA-IC-440-2026-04-12-001 Date: 12-Apr-2026 Test Engineer: J. Chen System: PSA Skid Unit #3 – Control Interface Link Under Test: Link 440 (Primary Control-to-Checker Path) If your PSA vehicle’s battery is below 11

Once complete, click again to confirm it now shows 4.4.0 . Troubleshooting & Tips

Run the PSA Interface Checker 440 link on the LIS workstation.