Opcom is a low-cost diagnostic interface used for Opel/Vauxhall vehicles that connects a PC to the car’s OBD-II port. Firmware version 1-67 refers to a specific release for the Opcom device that some users seek for compatibility with certain PC software and vehicle ECUs.
Ultimate Guide to Opcom Firmware 1.67: Download, Features, and Installation
Opcom software was primarily designed for . It can run on Windows 10 and Windows 11 , but with caveats. You must use the correct FTDI driver (2.10.0.0 or older) and may need to disable driver signature enforcement on Windows 10 to install unsigned FTDI drivers. Many advanced users prefer to run Opcom on a dedicated laptop with Windows 7 for maximum reliability.
Open your standard OP-COM diagnostic software (such as OP-COM 2012 or VAUX-COM). Navigate to . Click Test Interface . Opcom Firmware 1-67 Download
Click and browse to your downloaded firmware 1.67 hex file.
Choose and point the installer to the driver folder included with your Opcom software package.
This is actually normal – Opcom devices often appear as “USB Serial Converter” rather than as a dedicated “Opcom” entry. As long as the driver version is appropriate (FTDI 2.10.0.0 or older) and no yellow warning triangle is present, the device is probably ready to work. Opcom is a low-cost diagnostic interface used for
To download Opcom Firmware 1-67, follow these steps:
Windows 7 or 10 (Drivers must be manually assigned for Windows 10). 3. Software Acquisition
Here's a more detailed, step-by-step guide to updating your Opcom firmware: It can run on Windows 10 and Windows 11 , but with caveats
The Opcom 1.67 firmware is widely considered the "gold standard" for aftermarket Opel diagnostic interfaces. Unlike newer version numbers (like 1.99), which are often locked or based on inferior chips, version 1.67 is the final original firmware that supports full block access and programming for vehicles such as the Astra J, Insignia, and Zafira B. 2. Hardware Requirements
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