2004 Toyota Sienna Structure Problems
NHTSA component category: STRUCTURE · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How structure ranks on this vehicle
Share of the 2,062 complaints citing each category; one complaint can cite several. Full breakdown on the 2004 Toyota Sienna overview page.
Structure complaints by year filed
Frequently asked questions
Does the 2004 Toyota Sienna have structure problems?
Structure is the #5 most-reported problem area on the 2004 Toyota Sienna: 145 of 2,062 complaints on file (7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2004 Toyota Sienna have in total?
2,062 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 51 involved a crash, 8 involved a fire, 180 reported injuries, and 2 reported deaths.
What does NHTSA's structure category include?
NHTSA assigns each complaint to standard component categories; this page reports the STRUCTURE category exactly as NHTSA defines and records it.