AUTO POWERED REAR DOOR; WHEN POWERED OPENED WILL OPEN ALL THE WAY AND A FEW SECONDS LATER SUDDENLY CLOSE WITHOUT WARNING. IT HAS HAPPENED A FEW TIMES, ONLY IN COLD WEATHER. THIS HAS HAPPENED AFTER TOYOTA FIXED THE HATCH STUDDERING PROBLEM. I WAS INJURED (BRUISED) IN THE HEAD DUE THE DOOR HITTING ME AS IT AUTOMATICALLY CLOSED BY ITSELF (NOTE IT DID NOT STOP CLOSING AFTER IT HIT MY HEAD). *NM