2010 Toyota Sienna electrical system problems
20 owner complaints filed with NHTSA name the electrical system on the 2010 Toyota Sienna — 12% of all complaints for this model year.
What owners report
“We recently had a full diagnostic check done on our vehicle (199 point at Parkway Automotive in Little Rock, Arkansas) that listed some components in need of repair. The only part involving the electrical system needing repair was our battery which was testing as no longer holding enough charge. We…”
filed Jan 3, 2023
“Tl* the contact owns a 2010 toyota sienna. When the vehicle was started, the air bag warning indicator illuminated and remained illuminated. The contact also stated that the horn and air bag, along with other steering wheel functions, were inoperable. The vehicle was not diagnosed or repaired…”
filed Oct 31, 2019
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 2010 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.