2014 Toyota Prius service brakes problems
91 owner complaints filed with NHTSA name the service brakes on the 2014 Toyota Prius — 44% of all complaints for this model year.
What owners report
“I am submitting this complaint regarding a serious safety concern involving the brake actuator/booster assembly on my 2014 Toyota Prius. My vehicle has experienced failure of this critical braking component and has been unable to be properly repaired since November due to difficulty obtaining the…”
filed Aug 3, 2026
“My car experienced a failing brake actuator/accumulator. The first sign was the ABS and break lights accompanied by a whoosing sound. The issue causes intermittent system wide break failure and renders the car undriveable. Toyota had an extended warranty for this issue but that offer was closed by…”
filed Jul 17, 2026
“Brake actuator had been making noises and it finally stopped working on 7/14/26. Thankfully my car was and stopped and parked. The car has 137k miles on it, one owner and no explanation of what caused this. There were no accidents, abuse, or failure to maintenance.”
filed Jul 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2024 Prius | 2 | 9% |
| 2022 Prius | 4 | 17% |
| 2019 Prius | 9 | 31% |
| 2018 Prius | 3 | 9% |
| 2017 Prius | 14 | 15% |
| 2016 Prius | 18 | 12% |
| 2015 Prius | 84 | 52% |
| 2013 Prius | 225 | 56% |
| 2012 Prius | 182 | 43% |
| 2011 Prius | 260 | 50% |
| 2010 Prius | 591 | 21% |
| 2009 Prius | 63 | 13% |
Other reported problem areas on the 2014 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.