TL*THE CONTACT OWNS A 2004 TOYOTA SIENNA. THE CONTACT OPENED THE VEHICLE'S REAR HATCH AND IT IMMEDIATELY SHUT. WHEN THE HATCH ATTEMPTS TO CLOSE AUTOMATICALLY, THE ELECTRIC MOTOR KICKS IN FOR FIFTEEN SECONDS BEFORE IT CAN BE LIFTED UP AGAIN. THE HATCH MUST BE HELD OPEN BY SOMEONE OR PROPPED OPEN BY A STICK. THIS FAILURE OCCURS IN BOTH WET AND DRY WEATHER. THE ENGINE SIZE AND # OF CYLINDERS WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 80,000.