Для пользовательских типов свойств нужно указывать еще и USER_TYPE.
PROPERTY_TYPE => 'E'
USER_TYPE => 'EList'
PROPERTY_TYPE => 'S'
USER_TYPE => 'DateTime'
PROPERTY_TYPE => 'S'
USER_TYPE => 'ElementXmlID'
PROPERTY_TYPE => 'S'
USER_TYPE => 'FileMan'
PROPERTY_TYPE => 'S'
USER_TYPE => 'HTML'
PROPERTY_TYPE => 'E'
USER_TYPE => 'EAutocomplete'
PROPERTY_TYPE => 'E'
USER_TYPE => 'SKU'
PROPERTY_TYPE => 'N'
USER_TYPE => 'Sequence'
PROPERTY_TYPE => 'S'
USER_TYPE => 'map_google'
PROPERTY_TYPE => 'S'
USER_TYPE => 'map_yandex'
PROPERTY_TYPE => 'S'
USER_TYPE => 'video'
PROPERTY_TYPE => 'S'
USER_TYPE => 'TopicID'
PROPERTY_TYPE => 'S'
USER_TYPE => 'UserID'