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What 159 owners told NHTSA about the 2015 Toyota Prius

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (159)Crash / fire / injury (28)Brakes (88)Electrical system (26)Transmission & drivetrain (13)Engine (7)Lights (7)Speed control (7)Airbags (6)Body & structure (6)Fuel system (6)Driver assistance (5)

1 of 159 complaints match · Fuel system · crash/fire/injury only · clear filters

Apr 26, 2022Transmission & drivetrainBrakesFuel systemCrash2 injuries

My mom was involved in an accident in her 2015 Toyota Prius on April 19, 2022, which she advised lurched forward at a stop and when applying the brakes to stop the vehicle, she said was unresponsive, causing her to clip a vehicle and sending her vehicle into a ditch totaling her car and injuring her passenger and her. I would like to have this investigated and hold Toyota responsible. This could have been much worse and lives could have been lost. She is now without means of transportation, and she is now possibly responsible for damages to property and bodily injury because of this. Through my research I have discovered multiple class action lawsuits brought against Toyota for the same exact models. I asked the police officer to run a scan on the computer, but he advised it was only for serious accidents. There was no indication of the problem or messages.

NHTSA ODI 11462365

Working with the data? Download all 159 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Toyota Prius verdict →