2012 Toyota Sienna structure problems
72 owner complaints filed with NHTSA name the structure on the 2012 Toyota Sienna — 29% of all complaints for this model year.
What owners report
“The automatic side doors of this Toyota sienna le have malfunctioned twice between expensive repairs. When the hardware comes off the guide rail, it hits the window behind the door and shatters in covering the interior and occupants with glass. I had the window repaired after I had the door…”
filed Jul 14, 2026
“The contact owns a 2012 Toyota Sienna. The contact was unable to use the driver's side cargo door. The contact stated that the door was possibly frozen; however, while driving at an undisclosed speed, the door opened unexpectedly. The contact referenced NHTSA Campaign Number: 16V858000 (Structure)…”
filed Jan 29, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- If the power sliding door is unable to be opened when commanded, such as if the door is…Campaign 16V858000 · Nov 29, 2016
Related service bulletins
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and…
T-SB-0039-24 Rev2 · Service Bulletin/Repair Instructions · issued Dec 6, 2024To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from…
T-SB-0038-24 Rev2 · Service Bulletin/Repair Instructions · issued Dec 6, 2024Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal…
T-SB-0035-24 Rev2 · Service Bulletin/Repair Instructions · issued Dec 6, 2024Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow…
T-SB-0061-23 Rev2 · Service Bulletin/Repair Instructions · issued Dec 5, 2024Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can…
T-SB-0062-23 Rev2 · Service Bulletin/Repair Instructions · issued Dec 3, 2024
Structure problems in other Sienna years
| Year | Reports | Share |
|---|---|---|
| 2022 Sienna | 1 | 1% |
| 2021 Sienna | 6 | 4% |
| 2020 Sienna | 3 | 8% |
| 2019 Sienna | 6 | 13% |
| 2018 Sienna | 5 | 7% |
| 2017 Sienna | 13 | 9% |
| 2016 Sienna | 26 | 35% |
| 2015 Sienna | 60 | 26% |
| 2014 Sienna | 44 | 27% |
| 2013 Sienna | 44 | 24% |
| 2011 Sienna | 154 | 25% |
| 2010 Sienna | 57 | 33% |
Other reported problem areas on the 2012 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.