Two problems related to trunk lid have been reported for the 2005 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Toyota Sienna based on all problems reported for the 2005 Sienna.
The rear trunk struts do not hold the door open. Door closes itself without any warning. May hurt someone while accessing the trunk.
Rear trunk strut failure on Toyota Sienna.