2004 Toyota Sienna electrical system problems
The 2004 Toyota Sienna has 220 electrical system complaints filed with NHTSA — 9% of the year's total, and up sharply from the prior model year.
220
Electrical System complaints
9%
Share of year
0
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“IN EARLY JANUARY 2011, THE HEATER FOR THE PASSENGER CAR SEAT IN MY TOYOTA SIENNA BURNED THROUGH THE LEATHER, THROUGH MY 12 YEAR OLD DAUGHTER'S DRESS AND SUPERFICIALLY BURNED HER LEG. I BELIEVE THE SEAT IS DEFECTIVE AS A FUSE OR OTHER SAFETY FEATURE SHOULD HAVE PREVENTED SUCH AN INJURY/EVENT. *TR”
Common questions
How many electrical system complaints does the 2004 Toyota Sienna have?
NHTSA has 220 complaints about the 2004 Toyota Sienna electrical system — 9% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.