2017 Toyota Sienna problems and complaints
Owners have filed 154 complaints with NHTSA about the 2017 Toyota Sienna. The most-reported areas: Power Train (37), Unknown Or Other (25), Electrical System (20).
Key takeaways
- 154 owner complaints on file with NHTSA.
- 13 involve a crash, 4 a fire, 11 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Power Train | 37 | 24% |
| Unknown Or Other | 25 | 16% |
| Electrical System | 20 | 13% |
| Wheels | 16 | 10% |
| Engine | 15 | 10% |
| Structure | 14 | 9% |
| Fuel/Propulsion System | 14 | 9% |
| Service Brakes | 11 | 7% |
| Steering | 7 | 5% |
| Vehicle Speed Control | 6 | 4% |
| Visibility | 6 | 4% |
| Air Bags | 5 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2017 Toyota Sienna VAN FWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2017 Toyota Sienna VAN AWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Power Train - filed 2026-09-21
Transmission has high pitch wine that is consistent and rises with speed... Toyota expains I have 500 to 5000 miles before carrier bearing completely fails... Toyota has an extended warranty for Sienna UA80e transmission in 2017/2018... The issue is exactly as they explain in their warranty extension for 10yrs, unlimit...
Structure - filed 2026-08-31
The fuel filler door assembly on this 2017 Toyota Sienna failed structurally due to a defective hinge mechanism. This defect directly compromises a critical vehicle safety system. The Sienna is engineered with a physical safety interlock cable that links the fuel door to the driver-side sliding passenger door. This sy...
Power Train - filed 2026-07-11
I, as well as other owners of 2017–2018 Toyota Highlanders and 2017–2018 Siennas are experiencing serious transmission issues—including high-pitched whining, erratic shifting, clunks, hesitation, and premature failure. My 2017 Toyota Sienna has the UA80 8-speed automatic transmission at issue and started whining upon a...
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More for the 2017 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.