2011 Toyota Sienna electrical system problems
67 owner complaints filed with NHTSA name the electrical system on the 2011 Toyota Sienna — 11% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact purchased a 2011 Toyota Sienna. The contact discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase in 2025, the mileage was 110,000. The contact stated that a Carfax report indicated that the mileage was 300,000.”
filed Jun 15, 2026
“The contact owns a 2011 Toyota Sienna. The contact stated that the air bag warning light was intermittently illuminated while driving. The contact stated that the warning light turned off while restarting the vehicle. Additionally, the contact stated that the sliding doors failed to function…”
filed Feb 4, 2026
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 | 6 | 17% |
| 2019 Sienna | 4 | 9% |
| 2018 Sienna | 6 | 9% |
| 2017 Sienna | 20 | 13% |
| 2016 Sienna | 9 | 12% |
| 2015 Sienna | 44 | 19% |
| 2014 Sienna | 16 | 10% |
| 2013 Sienna | 22 | 12% |
| 2012 Sienna | 27 | 11% |
| 2010 Sienna | 20 | 12% |
Other reported problem areas on the 2011 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.