2019 Toyota Sienna problems and complaints
Owners have filed 45 complaints with NHTSA about the 2019 Toyota Sienna. The most-reported areas: Unknown Or Other (8), Power Train (7), Fuel/Propulsion System (7).
Key takeaways
- 45 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 4 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Unknown Or Other | 8 | 18% |
| Power Train | 7 | 16% |
| Fuel/Propulsion System | 7 | 16% |
| Structure | 6 | 13% |
| Fuel System | 6 | 13% |
| Gasoline | 6 | 13% |
| Engine | 4 | 9% |
| Electrical System | 4 | 9% |
| Air Bags | 3 | 7% |
| Vehicle Speed Control | 3 | 7% |
| Seat Belts | 2 | 4% |
| Exterior Lighting | 2 | 4% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2019 Toyota Sienna VAN AWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2019 Toyota Sienna VAN FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Power Train - filed 2026-04-16
2019 Sienna XLE with 77,000 miles has a UA80 Transmission is whining at the final gear per Imperial Toyota Milford MA service center. They want to replace the transmission for 9,000 USD and Toyota Corporate refuses assistance. It appear to be a common defect which could lead to transmission lockup if the gear fails.
Latches/Locks/Linkages - filed 2026-04-13
The contact owns a 2019 Toyota Sienna. The contact stated that while attempting to open the driver's side sliding door, the door failed to completely open but remained ajar. The contact became aware that an electrical cable was hanging from the door. The vehicle was taken to the dealer, where it was diagnosed, and dete...
Unknown Or Other - filed 2026-03-14
Started hearing a whining noise upon acceleration. Took car to Toyota for a diagnostic check. Discovered transmission is failing. Recommended repair is a full transmission replacement, quoted 10,000. After bringing to a local mechanic for a second opinion, he claims this is a widespread issue with Toyota Siennas in sim...
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More for the 2019 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.