Opcom: 1.67 Firmware _top_

This specific firmware and its compatible software are known to provide reliable diagnostics for Opel and Vauxhall vehicles up to the 2021 model year.

If successful, a popup will display your serial number and confirm: Troubleshooting Common Issues "Interface Not Found" Error Cause: The software cannot talk to the USB chip. Opcom 1.67 Firmware