2015 Toyota Sienna problems and complaints
Owners have filed 232 complaints with NHTSA about the 2015 Toyota Sienna. The most-reported areas: Structure (61), Electrical System (44), Unknown Or Other (43).
Key takeaways
- 232 owner complaints on file with NHTSA.
- 17 involve a crash, 7 a fire, 28 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Structure | 61 | 26% |
| Electrical System | 44 | 19% |
| Unknown Or Other | 43 | 19% |
| Service Brakes | 18 | 8% |
| Engine | 16 | 7% |
| Wheels | 14 | 6% |
| Power Train | 12 | 5% |
| Steering | 11 | 5% |
| Air Bags | 9 | 4% |
| Seat Belts | 8 | 3% |
| Suspension | 8 | 3% |
| Fuel/Propulsion System | 7 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2015 Toyota Sienna VAN AWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2015 Toyota Sienna VAN FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Structure - filed 2026-09-20
This is the 2nd Occurrence where Sliding Door Cable Breaks and the doors are disabled where you can not open or close the sliding door and its jammed shut. Attempts to press the Power Sliding door buttons do not work. This is the 2nd Occurrence on this Vehicle. The First occurrence happened approximately 3 years ago wi...
Unknown Or Other - filed 2026-09-10
The cable that controls the sliding door lock disconnected leaving the door inoperable. According to the dealership, as well as, Toyota corporate, this is a common ongoing issue. This is a safety hazard and should be recalled immediately.
Engine - filed 2026-08-26
Component Failed & Availability: The engine on my 2015 Toyota Sienna (99,000 miles) catastrophically failed and is completely seized. The vehicle and engine are in my possession and are fully available for physical inspection. Safety Risk: The vehicle shut down completely while in motion, causing an immediate loss of ...
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More for the 2015 Toyota Sienna
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.