2004 Toyota Sienna electrical system problems
132 owner complaints filed with NHTSA name the electrical system on the 2004 Toyota Sienna — 6% of all complaints for this model year.
What owners report
“The contact owns a 2004 Toyota Sienna. The contact stated while the vehicle was parked, the tailgate inadvertently opened, then closed independently. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the tailgate hydraulic struts…”
filed Apr 6, 2023
“The failing component is the VSC/ABS system. It puts the occupants of the van and other motorists at risk of either causing a collision or causing the driver of vehicle in question to be unable to control the vehicle . The failure appears when going in a curve in the road at low speed causing the…”
filed Jun 13, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sienna years
| Year | Reports | Share |
|---|---|---|
| 2022 Sienna | 12 | 10% |
| 2021 Sienna | 13 | 8% |
| 2020 Sienna | 7 | 18% |
| 2019 Sienna | 4 | 9% |
| 2018 Sienna | 7 | 10% |
| 2017 Sienna | 20 | 13% |
| 2016 Sienna | 9 | 12% |
| 2015 Sienna | 44 | 19% |
| 2014 Sienna | 16 | 10% |
| 2013 Sienna | 22 | 12% |
| 2012 Sienna | 27 | 11% |
| 2011 Sienna | 69 | 11% |
Other reported problem areas on the 2004 Toyota Sienna
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.