2009 Toyota Sienna electrical system problems
28 owner complaints filed with NHTSA name the electrical system on the 2009 Toyota Sienna — 14% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact owned a 2009 Toyota Sienna. The contact discovered a mileage discrepancy after the vehicle was sold. The vehicle was a private sale. At the time of the sale, the vehicle mileage was 253,000. The contact posted the sale on Craigslist, and several days after the sale, the…”
filed Jan 6, 2026
“On my 2009 Toyota Sienna XLE V6 FWD. The anti-slip indicator light improperly turns-on on dry roads at safe speeds. This causes a distraction to the driver.”
filed Mar 19, 2023
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 2009 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.