2009 Toyota Prius Service Brakes, Hydraulic Problems

Source: NHTSA · Updated Jun 17, 2026 · 91 complaints analyzed

Owners have filed 91 complaints with NHTSA about service brakes, hydraulic problems on the 2009 Toyota Prius, 18% of all complaints for this model year. Half of the reports with a mileage happened before 11,400 miles. The words owners use most often: “road surface” (7% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Road surface: mentioned in 6 of 91 complaints (7%)
  • Bump pothole: mentioned in 5 of 91 complaints (5%)

At what mileage do service brakes, hydraulic problems happen?

Based on 79 complaints that reported the odometer reading.

Under 10k miles37 · 47%
10k–25k miles30 · 38%
25k–50k miles7 · 9%
50k–75k miles2 · 3%
75k–100k miles0 · 0%
100k–150k miles1 · 1%
150k+ miles2 · 3%

How serious are the reports?

Of 91 complaints, 11 mention a crash, 2 an injury.

Toyota Prius service brakes, hydraulic complaints by model year

Peak: 2010, with 849 complaints
2001: 8200182002: 14142003: 8200382004: 39392005: 12820051282006: 94942007: 14520071452008: 1711712009: 912009912010: 8498492011: 122011122012: 12122013: 8201382014: 882015: 4201542016: 112019: 1201912022: 11

n = 1,594 complaints · Source: NHTSA

Model yearService Brakes, Hydraulic complaintsShare of that yearMedian miles
2022 Prius14%121,000
2019 Prius13%78,000
2016 Prius11%100,028
2015 Prius42%117,500
2014 Prius84%133,000
2013 Prius82%130,000
2012 Prius123%132,500
2011 Prius122%95,000
2010 Prius84930%3,000
2009 Prius9118%11,400
2008 Prius17111%20,000
2007 Prius1457%25,491
2006 Prius947%31,000
2005 Prius12812%45,000
2004 Prius396%52,000
2003 Prius88%150
2002 Prius148%41,781
2001 Prius85%100,816

When owners reported it

Peak: 2010, with 81 complaints
2009: 4200942010: 812010812011: 3201132013: 1201312025: 1202512026: 120261

n = 91 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists service brakes, hydraulic for the 2009 Toyota Prius. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

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…

Received Apr 8, 2026 · NHTSA complaint 11729947

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…

Received Feb 14, 2025 · NHTSA complaint 11642706

2009 toyota prius. Consumer write regards to vehicle brake problems. Consumer also sent revised toyota document. *smd the consumer stated the same braking problem existed for models before and after the 2010 models. However, only the 2010 models were recalled.

Received Feb 14, 2013 · NHTSA complaint 10498801
Toyota Prius
2023 Toyota Prius Z HEV. Representative photo; appearance varies by model year. Photo: TTTNIS, CC0, via Wikimedia Commons.

Frequently asked questions

Do all 2009 Toyota Priuss have service brakes, hydraulic problems?

No. NHTSA has 91 owner complaints about service brakes, hydraulic for the 2009 Toyota Prius (18% of the 502 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2009 Toyota Prius service brakes, hydraulic?

No recall currently lists service brakes, hydraulic for this vehicle.

At what mileage do service brakes, hydraulic problems start?

The median reported mileage is 11,400 miles: half of the reports with a mileage came before that.

What do owners say about service brakes, hydraulic problems on the 2009 Toyota Prius?

The most frequent phrase is “road surface”, in 6 of 91 complaints, followed by “bump pothole” (5).

Other 2009 Toyota Prius problems

See all 2009 Toyota Prius problems or service brakes, hydraulic problems across all Prius years.