A control system for a vehicle includes: a battery; a first control unit configured to receive a power supplied from the battery, and configured to control a first control object which is mounted on the vehicle; and an interrupting unit configured to interrupt a supply of the power to the first control unit from the battery, wherein a first switch part is provided between the battery and the first control unit which receives a resumption request signal when the supply of the power to the first control unit is interrupted by the interrupting unit to permit the power to be supplied to the first control unit from the battery.