“Opcom 1.67 is a decent choice for reading codes, live data, and basic coding on older Opels (pre-2010). For programming or newer cars, use a genuine MDI or other professional tool.”
The Ultimate Guide to Opcom 1.67 Firmware: Features, Installation, and Troubleshooting Introduction Opcom 1.67 Firmware
: View real-time sensor readings such as coolant temperature, fuel trim, and battery voltage. Output Tests “Opcom 1
If you have a genuine interface collecting dust, keep it. It’s great for older cars. But if you are looking to buy a new tool, skip the "1.67" listings on eBay. You are better off investing in a VXDIAG, MDI2 clone, or a high-quality ELM327/OBDLink for modern diagnostics. It’s great for older cars
Issue 3: Unable to Connect to Specific ECUs (e.g., Infotainment or ABS)
Usually caused by poor driver installation or a faulty USB cable.
: Offers maximum stability when paired with Opcom software version 2012 (120309a) [2].