ON-VEHICLE CONTROL DEVICE, CONTROL SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM

This on-vehicle control device includes: an acquisition unit configured to acquire a plurality of pieces of wear information regarding a degree of wear of each of a plurality of function units mounted on a vehicle; a selection unit configured to select, on the basis of each piece of the wear information acquired by the acquisition unit, from the plurality of function units, one or a plurality of the function units to be caused to perform a target process that should be performed by one or a plurality of the function units among the plurality of function units; and a control unit configured to perform a control of causing the one or plurality of the function units selected by the selection unit to perform the target process.