Patent ID: 8192326

Claim:
A control device for a vehicular power transmitting apparatus, wherein: the power transmitting apparatus comprises a differential portion having a plurality of rotary elements, an engaging element provided in a part of a power transmitting path extending from an output shaft of the differential portion to drive wheels, and a prime mover being connected to a first rotary element of the differential portion of the power transmitting apparatus in a power transmissive state; and the control device is operative to execute an engaging element control for placing the engaging element in a disengaging state or a slip state, when the first rotary element of the differential portion is caused to stop or decrease in a rotation speed in a direction to stop the first rotary element during running of a vehicle, and when a rapid decrease occurs in a rotation speed of the prime mover such that a variation rate of the rotation speed of the prime mover per unit time exceeds a given rotation-speed variation-rate determining value.