My Cadillac el dorado does not sift gears after my brother and i we washed the

[Jesse]

car by using a power washer? Is there any body who may give me an idea what happen? The car only has 40, 000 miles! the year of the car is 1993 ! we already looked under the car for unatach wires or all other devices that may be pushed away by the presure of the power washer machine! Could you damage the transmission by washe it with a power washer equipment???? What may be the problem? transmission is not performing shifting from second gear to third !!! Selenoid problem? PLEASE !!! I NEDD help ! Tahnks