Fully compatible, but requires users to disable Driver Signature Enforcement during the initial setup to install the custom FTDI USB drivers successfully. Step-by-Step Installation Guide
Firmware 1.67 is typically paired with software versions like or Opcom 2014 . While there are newer software versions (like 2018 or 2020), they often require specific "HQ" (High Quality) interfaces. System Requirements:
Windows 10 and 11 will block the clone Opcom drivers because they lack a digital signature.
Click . A pop-up should appear confirming: Interface tested successfully. Firmware version: 1.67. Hardware Warning: Clone Chips Explained
Modifies configuration parameters when retrofitting new components like cruise control or a trip computer. Vehicle Compatibility Opcom 1.67 Firmware
Better support for models like the Astra J, Insignia, and Corsa D.
If you attempt to update, downgrade, or flash firmware onto a fake chip, you will instantly "brick" the device.
Opcom 1.67 firmware is a versatile tool that can be used for a range of applications, including:
| Firmware Version | Recommended Software | |:---|:---| | | 100219a | | 1.45 | 120309a | | 1.60 | 160115a | | 1.65 | 170823c | | 1.67 | 180115a / 200603a | Fully compatible, but requires users to disable Driver
: Clone software attempting to connect to official online servers.
Faster refresh rates when monitoring real-time sensor parameters, such as boost pressure, fuel trim, and wheel speed sensor data.
The Opcom interface uses an FTDI USB-to-Serial chip to talk to your PC. Connect the Opcom 1.67 device to your PC's USB port.
Using internet-connected software variants can trigger a stealth background update that overwrites version 1.67. System Requirements: Windows 10 and 11 will block
The Opcom 1.67 firmware remains one of the sweet spots for DIY mechanics managing Opel and Vauxhall fleets. It delivers a perfect blend of stability, broad vehicle coverage, and reliable coding capabilities. By pairing it with a high-quality chip interface, disabling Windows driver restrictions properly, and avoiding unauthorized firmware flashing, you unlock a dealership-grade diagnostic toolkit right from your laptop.
(both 32-bit and 64-bit), though disabling driver signature enforcement is often required on newer versions of Windows. Core Diagnostic Capabilities
Modern Windows versions block unsigned drivers. You must disable this check. Hold the key and click Restart in Windows.
The market is flooded with newer Opcom clones claiming 1.70, 1.95, or 1.99 firmware. However, many of these are lower-quality clones (often using the wrong, non-programmable chips) that cannot be updated and often fail to work with software newer than 2012.