really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
5,760 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2015 Toyota Prius drivetrain problems

drivetrain problem

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2015 Toyota Prius Owner Comments

problem #4

Jul 232016


  • 6,459 miles


The contact owns a 2015 Toyota Prius. When the vehicle's gear shifter park position button was activated, the engine was turned on, and the vehicle was unoccupied, it accelerated forward on its own. The vehicle crashed into a rock. The air bags had not deployed. A police report was not filed and there were no injuries sustained. The vehicle was driven home. The approximate failure mileage was 6,459.

- Shafta Lake, CA, USA

problem #3

Jan 112016


  • 4,580 miles
Car was stationary in driveway car would not start and master warning light was on in addition to a warning saying "shift malfunction. When parking, park in flat place and apply parking brake securely" a buzzer was sounding. This indicates a shift control system error. The car would not start. Notified dealer and the car was towed. No error codes were found. The car started for the dealer.

- Old Chatham, NY, USA

problem #2

Dec 022015


  • 6,000 miles
This is an update to complaint number: 10809942. === I forgot to include this: *** besides the rolling backward problem I had, if one has a get-into-gear-and-go emergency, it is very likely that the car will not get into gear, you will not realize that, and when you step on the accelerator to go, the car will not move. Then you have to realize why it did not go and shift again. In case of an emergency, this delay may be critical.

- Los Angeles, CA, USA

problem #1

Dec 022015


  • 6,000 miles
The transmission gear shift is dangerously designed. The shifter will move into a gear positions even if it transmission does not actually shift into the gear. Whenever the handle is released, it springs back to the central position, whether the transmission is in gear or not, so the driver does not know if the transmissions is actually in gear or not--or if in gear, which gear. The driver is expected to look at the instrument panel so see what gear is highlighted in the display. I rented a Prius for a week and numerous times, I thought I had shifted into drive (or reverse), but when I pressed on the accelerator, nothing happened because it had not gone into the selected gear, and I did not know that because the shift lever always springs back to center position, whether the transmission is in gear or not. One time, at night, I was making a three-point U-turn, shifted into drive, turned the wheel to the left, stepped on the accelerator, and suddenly the car was turning to the right! panic'slam on the brakes. Then I realized the transmission had not shifted into drive and I was rolling backwards. If the driver feels the shift lever go into a gear, the car should be in that gear; if it does not go into that gear, then the shift lever should not move into the position; and once in gear, the shift lever should stay in position, not spring back to center.

- Los Angeles, CA, USA

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