2009 Toyota Prius Service Brakes, Hydraulic Problems
NHTSA component category: SERVICE BRAKES, HYDRAULIC · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How service brakes, hydraulic ranks on this vehicle
Share of the 502 complaints citing each category; one complaint can cite several. Full breakdown on the 2009 Toyota Prius overview page.
What owners report
“WHILE DRIVING ON A WET CITY ROAD, THE CAR IN FRONT OF ME STOPPED ABRUPTLY. WHEN I APPLIED MY BRAKES, MY CAR WAS OVER RAILROAD…”NHTSA complaint 10308922 — filed 02/12/2010
“I BOUGHT MY 2009 PRIUS IN APRIL 2009. I HAVE BEEN HAVING THE SAME BRAKE SLIPPING PROBLEM THAT THE 2010'S ARE BEING RECALLED FOR. I…”NHTSA complaint 10308465 — filed 02/10/2010
“WHEN DRIVING MY 2009 PRIUS IN EITHER WET OR SNOWY CONDITIONS, I'VE NOTICED THAT THE CAR "SKIPS"/DOESN'T HOLD THE BRAKING WHEN I APPLY MY FOOT…”NHTSA complaint 10308454 — filed 02/10/2010
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Service Brakes, Hydraulic complaints by year filed
Frequently asked questions
Does the 2009 Toyota Prius have service brakes, hydraulic problems?
Service Brakes, Hydraulic is the #2 most-reported problem area on the 2009 Toyota Prius: 80 of 502 complaints on file (15.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2009 Toyota Prius have in total?
502 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 64 involved a crash, 4 involved a fire, 27 reported injuries, and 2 reported deaths.
What does NHTSA's service brakes, hydraulic category include?
NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC category exactly as NHTSA defines and records it.
