In the world of automotive diagnostics for the Stellantis (formerly General Motors Europe) platforms—specifically Opel, Vauxhall, and Holden—the OP-COM interface remains a legendary tool. Among the sea of software versions (from 100304e to the modern 2010+ releases), one specific phrase has become a keystone for professional and hobbyist mechanics alike: “opcom 167 firmware verified.”
When you buy a “OP-COM 1.67” interface from China, it typically ships with , but the firmware’s version string has been hex-edited to read “1.67” to trick the software.
