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My interface firmware is v 01.67, and it has been - Facebook
: Once rebooted, connect your cable. Open Device Manager , right-click the "OP-COM" entry, and select Update Driver .
Would you like a quick reference printable checklist for the firmware update steps?
If you own an Opel or Vauxhall and prefer DIY maintenance, you've likely encountered , a powerful PC-based diagnostic tool. Among its various versions, Firmware 1.67 stands out as a critical sweet spot for both reliability and functionality. This guide will walk you through why this specific version matters and how to handle it safely. Why Choose Firmware 1.67?
Click or Flash . Do not disconnect the cable during this process. Opcom Firmware 1-67 Download
Downloading and installing Opcom Firmware 1.67 is a straightforward process. Here's a step-by-step guide:
Look for standalone firmware hex files rather than large setup executables that promise automated installations.
Diagnostic utilities and flashers are frequently flagged as false positives by antivirus programs due to how they access hardware ports. Ensure you download the files from a verified source, temporarily disable real-time protection, or add the folder to your antivirus exceptions list. Safety Recommendations
Look for reputable, long-standing automotive diagnostic forums (like Digital Kaos or MHH Auto) where files are actively moderated and vetted by community experts. My interface firmware is v 01
If you can provide more details about the OPCom device, such as its model or the interface it uses (e.g., Bluetooth, Wi-Fi), I might be able to offer more tailored advice.
Plug your OP-COM device into your computer’s USB port. You do not need to connect it to the car's OBDII port for the firmware update itself, though some users prefer it for stable 12V power.
FTDI-based USB interface for stable communication.
The software will query the hardware. A successful pop-up box will appear stating: Interface test ended successfully. Firmware Version: 1.67 . Troubleshooting Common Issues 1. "Interface Not Found" Error If you own an Opel or Vauxhall and
Click on and browse to your downloaded Opcom_Firmware_1.67.hex file.
Flashing fails or the device is bricked. Solution: This often occurs when using a fake PIC18F458 chip. Only devices with a genuine PIC18F458 chip can be safely flashed. If your device has a fake chip, you may be unable to flash it at all.
. Unlike the newer, often buggy "V1.99" clones that flooded the market, Version 1.67 was known among the underground forums as the stable bridge. It was the version that could talk to the newer cars up to 2021 without the dreaded "Interface Not Found" error.
While updating your Opcom firmware is generally a straightforward process, you may encounter some issues along the way. Here are some common problems and their solutions:
Reconnect Opcom to USB. Open Opcom software. Go to Help > About . You should see: