Provided is a control device for an opening and closing member configured to drive a driving source of an opening and closing member that opens and closes an opening section of a vehicle, and the control device for an opening and closing member includes a power generation detector configured to detect power generation of the driving source, and a controller configured to control driving of the driving source, wherein the controller is changed to a sleep state upon stoppage of the opening and closing member, and is activated from the sleep state to control a braking of the driving source when the power generation detector detects power generation of the driving source.