If it appears as an "Unknown Device," right-click it, select , and manually browse to the Drivers folder within your Delphi installation directory. Step B: The Software "Test" Trick
Updating the is a critical task for maintaining communication between your vehicle's ECU and your diagnostic software. However, users often encounter errors like "Communication Error," "VCI Not Found," or the update simply getting stuck halfway through. delphi+ds100e+firmware+update+problem+top
Find "Ports (COM & LPT)" and look for .
: Ensure the firmware version you are trying to upload matches the version required by your software build (e.g., v1622 for 2017.3). Troubleshooting Checklist Summary Primary Fix No VCI Found Reinstall USB drivers manually from the Delphi folder. Update Fails at 50% Ensure 12V power is connected to the OBD port. Device is Dead Use Flash Loader Demonstrator to unbrick the MCU. If it appears as an "Unknown Device," right-click
Click . If the test succeeds but says the firmware is old, then click Update . This sequence often bypasses initialization hangups. 3. Advanced Fix: "Boot Mode" Recovery (For Bricked Units) Find "Ports (COM & LPT)" and look for
Before diving into technical fixes, ensure these basic requirements are met:
Sometimes the software "locks" because it thinks the VCI is on the wrong port. In the Delphi software , go to . Select the correct COM Port found in your Device Manager.