The utility model relates to an automobile control technical field, concretely relates to multimode system, this system includes ICU combination meter, ICU combination meter connects 1~4 universal module IOU respectively, and ICU combination meter and each universal module IOU are connected respectively to the CAN bus, ICU combination meter is connected through corresponding activation line difference one -to -one with each universal module IOU's pin, the utility model discloses utilize universal module, universal module self is as broad as long, consequently improved the product modularization, universalization degree, practiced thrift the cost. Increase at customer demands, change or control logic when changing, only need upgrading master control node ICU can, do not need replacing module, it increases the function or modifys the problem that control logic needs replacing module to have solved.