2009 Toyota Prius service brakes, hydraulic problems
91 owner complaints filed with NHTSA name the service brakes, hydraulic on the 2009 Toyota Prius — 18% of all complaints for this model year.
What owners report
“The contact owns a 2009 Toyota Prius. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated that the ABS warning light was illuminated. The vehicle was driven to the residence. The vehicle…”
filed Apr 8, 2026
“The contact owns a 2009 Toyota Prius. The contact stated that while driving at an undisclosed speed, extra effort was needed to stop the vehicle while depressing the brake pedal. In addition, the contact stated that the instrument panel intermittently went blank and failed to operate as needed. The…”
filed Feb 14, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes, Hydraulic problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2022 Prius | 1 | 4% |
| 2019 Prius | 1 | 3% |
| 2016 Prius | 1 | 1% |
| 2015 Prius | 4 | 2% |
| 2014 Prius | 8 | 4% |
| 2013 Prius | 6 | 1% |
| 2012 Prius | 12 | 3% |
| 2011 Prius | 12 | 2% |
| 2010 Prius | 849 | 30% |
| 2008 Prius | 171 | 11% |
| 2007 Prius | 145 | 7% |
| 2006 Prius | 94 | 7% |
Other reported problem areas on the 2009 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.