Full |top| — Delphi Ds100e Firmware Update Problem

If the standard "Update" button in your software (Autocom, Delphi, or WOW) isn't working, follow this manual recovery path: Step A: Check COM Port Settings

The VCI lights may stay solid red or turn off entirely during the process.

Connect it to the PC via USB while holding the small reset button (if present on your specific PCB revision).

These versions are much stricter with firmware. If you are using an older "Golden" VCI, you might need to stay on firmware version 1622 for stability.

If your laptop battery dies or the OBDII port voltage drops below 12V during the write process, the firmware will corrupt.

Ensure the is set to 1 . This is a critical step often missed. Step B: The "Firmware" Folder Swap

Troubleshooting Delphi DS100E Firmware Update Problems: A Complete Guide

The Delphi DS100E remains a staple in many workshops due to its versatility, but it is notorious for one specific headache: If you’ve encountered a "Communication Error," a frozen progress bar, or the dreaded "VCI Not Found" message during an update, you aren't alone.