V1.99! OPEL OP COM Vauxhall OBD2 Diagnostic Code Reader Scanner Tool OPCOM
Firmware: OPCOM V1.99 (Latest stable release). Since Opel uses many pin in the OBD connector, the diagnostic interface works as a multiplexer, and selects the appropriate pin for communication. OP-COM Opel/Vauxhall OBD2 Diagnostic Interface.