An endoscope apparatus includes an elongated insertion portion, a self-propelling mechanism configured to be rotatably driven to advance and retract the insertion portion, and a motor configured to supply a drive force to the self-propelling mechanism. A control apparatus for the endoscope apparatus includes a current controller configured to supply a motor current to the motor to control driving of the motor, a motor current detector configured to detect a value of the motor current, a motor current change amount detector configured to detect an amount of change in the value of the motor current, and a limit controller configured to stop a supply of the motor current by the current controller according to the amount of change.