Toyota Sienna Investigations

The Sienna has been investigated 13 times. The 2004 model year has been involved in the most campaigns.

An investigation is opened by NHTSA when enough complaints or a petition is filed concerning a safety-related issue with a vehicle.

Investigations by Model Year

Clicking on a model year will bring you to CarComplaints.com which has a full list of documents from the NHTSA.