Firmware 1.67 does not support the Global A (Global A) architecture used in Vauxhall/Opel vehicles from roughly 2010 onwards which require security gateway access (SGW). Consequently, the 1.67 firmware has largely been superseded by newer revisions (e.g., V2 hardware) for diagnosing modern vehicles like the Opel Astra K or Insignia B.
which is often used with this firmware. Steps to flash your device using a PIC18F458 chip. OP-COM 1.67 cable for diagnostics and coding Opel 1987-2016 Opcom 1.67 Firmware