Opcom 167 Firmware Work [hot] Jun 2026

Surprisingly, Opcom 1.45 firmware (latest) may fail on 1990s KWP2000 cars (Vectra B, Calibra). Workaround:

For the OP-COM 1.67 firmware to work, the surrounding computer architecture must recognize it properly. It is widely supported by variations of and OP-COM 2016 Professional software packages. Step-by-Step Installation & Configuration opcom 167 firmware work

If you are comfortable doing so, open the plastic casing of your adapter. Look for the large rectangular chip. If it says PIC18F458 , your firmware 1.67 is highly likely to be stable and flashable. Final Verdict Surprisingly, Opcom 1

If you own an older Opel/Vauxhall and already have a working OP-COM interface, – better stability and module access. But if your hardware is faulty or you’re expecting dealer-level performance on new cars, you’ll be disappointed. you’ll be disappointed.