2005 Toyota Prius Service Brakes, Hydraulic Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC · data through 07/12/2026

98Service Brakes, Hydraulic complaints

9.3%Of all 1,051 complaints

#4Most-reported category

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

EXTERIOR LIGHTING316 · 30.1%

ELECTRICAL SYSTEM161 · 15.3%

VEHICLE SPEED CONTROL98 · 9.3%

SERVICE BRAKES, HYDRAULIC98 · 9.3%

SERVICE BRAKES82 · 7.8%

Share of the 1,051 complaints citing each category; one complaint can cite several. Full breakdown on the 2005 Toyota Prius overview page.

What owners report

“WE KEPT HEARING A SOUND WHICH APPEARED TO BE COMING FROM THE DRIVERS SIDE AND SOUNDED LIKE A LIGHT HORN OR ALARM SOUND. IT SEEMED…”NHTSA complaint 10176761 — filed 12/21/2006

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 2005 Toyota Prius have service brakes, hydraulic problems?

Service Brakes, Hydraulic is the #4 most-reported problem area on the 2005 Toyota Prius: 98 of 1,051 complaints on file (9.3%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2005 Toyota Prius have in total?

1,051 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 102 involved a crash, 4 involved a fire, 66 reported injuries, and 1 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.