: Ensure your OP-COM interface is connected via USB and drivers are correctly installed on your PC. : You will need the FW 1.67.hex file and the The Process Open OCflash and select your interface. Load the 1.67 hex file. Click "Flash" or "Update."
Connect your OP-COM interface to your PC via USB (do not connect it to the car yet). Open Windows .
Open Device Manager and ensure the device is listed under "Universal Serial Bus controllers" without a yellow exclamation mark. Run OCFlash: Right-click OCFlash.exe and select Run as Administrator .
Firmware 1.67 is often preferred because it allows the interface to bridge the gap between older software versions (like VAUX-COM 120309a) and newer professional versions. Hidplanet.lv Broad Vehicle Support:
Click on the button. The software will query your cable. If your drivers are correct, it will display your current firmware version (e.g., 1.45 or 1.59) and confirm communication. Step 3: Load Firmware 1.67 Opcom Firmware 1-67 Download
Many aftermarket "clone" interfaces stable out at 1.67 without risking a bricked chip. Prerequisites Before Downloading
Disclaimer: Modifying diagnostic hardware firmware is done at your own risk. Incorrect flashing methods or using sub-par clone hardware can result in permanent device damage or vehicle ECU communication faults.
Note : On Windows 10/11, you may need to to install these unofficial drivers.
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. : Ensure your OP-COM interface is connected via
: After flashing, use the "Interface Test" feature in your diagnostic software to confirm the firmware version is now 1.67. Critical Risks and Warnings Bricking Risk
Many users prefer firmware 1.67 because it is highly compatible with the standard 2014.01 and 2016 software versions, offering more stability than earlier versions and better reliability than some later, buggy versions.
: Install the FTDI drivers before connecting the cable to your PC.
Reduces "interface not found" errors when accessing CAN-bus systems. Click "Flash" or "Update
: Connect the cable via USB. You must often manually install the FTDI CDM Drivers through the Windows Device Manager to ensure the USB serial converter is recognized.
It can reset service intervals and perform immobilizer synchronization, including adding or deleting ignition keys. Live Data Monitoring:
The utility used to push the firmware to the interface. Firmware 1.67 Hex File: The specific fw167.hex file.
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When connecting the tool to your vehicle to read or write data, ensure your laptop battery is charged and your car battery is above 12V. Low voltage can corrupt data packets.