2019 Toyota Sienna problems and complaints

Owners have filed 47 complaints with NHTSA about the 2019 Toyota Sienna. The most-reported areas: Power Train (8), Unknown Or Other (8), Fuel/Propulsion System (7).

Key takeaways

  • 47 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.
Complaints by component
ComponentComplaintsShare
Power Train817%
Unknown Or Other817%
Fuel/Propulsion System715%
Structure613%
Fuel System613%
Gasoline613%
Engine511%
Electrical System49%
Air Bags36%
Vehicle Speed Control36%
Seat Belts24%
Exterior Lighting24%

One complaint can name several components, so shares add up to more than 100%.

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NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2019 Toyota Sienna VAN AWD5/54/55/54/5
2019 Toyota Sienna VAN FWD5/54/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Power Train - filed 2026-11-01

Car developed whirring noise. Hoffman Toyota Service of Simsbury, CT, quickly determined transmission has failed and requires replacement.

Engine - filed 2026-10-28

The transmission is going bad at 85,000 miles. It’s making a whining sound when you accelerate.

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.

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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.