2015 Toyota Prius electrical system problems
27 owner complaints filed with NHTSA name the electrical system on the 2015 Toyota Prius — 17% of all complaints for this model year.
What owners report
“Pulling out of a parking stall, when put vehicle in drive, the engine revved up and accelerated - vehicle crashed, the brakes did not work- there was skid marks. Floor mats are factory OEM were installed properly. I did not hit the accelerator and I am in good health and mind. I have driving for…”
filed Jul 15, 2026
“The incident involved having to press extremely hard on the brake pedal to stop the car, while it was uphill in the middle of the road. The car started going backward and was throwing ABS, Master Warning Light, Brake System Warning Light and Warning Buzzer, Brake System Warning Light, and SLIP…”
filed Jun 9, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and…
T-SB-0058-23 Rev1 · Service Campaign · issued Jun 13, 2025
Electrical System problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2024 Prius | 3 | 14% |
| 2022 Prius | 6 | 25% |
| 2019 Prius | 4 | 14% |
| 2018 Prius | 2 | 6% |
| 2017 Prius | 11 | 12% |
| 2016 Prius | 20 | 13% |
| 2014 Prius | 33 | 16% |
| 2013 Prius | 50 | 12% |
| 2012 Prius | 52 | 12% |
| 2011 Prius | 68 | 13% |
| 2010 Prius | 192 | 7% |
| 2009 Prius | 60 | 12% |
Other reported problem areas on the 2015 Toyota Prius
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.