message.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_DIAGNOSTIC;
message.has_diagnostic_response = true;
message.diagnostic_response.has_bus = true;
message.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_DIAGNOSTIC;
message.has_diagnostic_response = true;
message.diagnostic_response.has_bus = true;