Toyota SIENNA NHTSA Defect Investigations

The Toyota SIENNA years with the most NHTSA defect investigations are shown below. The 2004 Toyota Sienna has the most NHTSA defect investigations with 38 investigations. Click on the graphs for more detailed information.

Most Investigations for the Toyota SIENNA By Year

Add Your Complaint

Join thousands of frustrated Toyota owners who have voiced their opinion and notified other consumers of issues at CarComplaints.com.

Toyota Contact Information

Phone:
(800) 331-4331
Web:
Toyota Customer Service
Mail:
Toyota Customer Assistance Center
19001 S. Western Ave.
Torrance, CA 90509-2991