Control device

A shift-by-wire type control device whose control target is an automatic transmission including a parking lock mechanism, the shift-by-wire type control device comprising:

• an electronic control unit that controls the automatic transmission in response to an instruction to select a shift range when selection of the shift range based on an operation on a to-be-operated part is performed, wherein:
• the automatic transmission includes a transmission mechanism including a hydraulic actuated transmission engagement device;
• the electronic control unit controls a hydraulic control device that includes a solenoid and that controls hydraulic pressure supplied to the transmission engagement device, the solenoid operating by receiving power supply,
• the hydraulic control device is configured to form a specific shift speed in the transmission mechanism when power supply to the hydraulic control device is interrupted in a state in which a power transmission state is implemented by a forward range in the transmission mechanism, the specific shift speed being a predetermined forward shift speed, and
• the automatic transmission is controlled in the forward range when the transmission mechanism is in a state in which the specific shift speed is formed, when the electronic control unit is abnormally activated due to interruption of power supply to the electronic control unit during traveling of a vehicle.