Problems · by component
2008 Toyota Prius service brakes, hydraulic problems
171 owner complaints to NHTSA about the 2008 Toyota Prius cite service brakes, hydraulic, 11% of all 1,497 complaints for this model year.
Complaints
171
11% of all complaints
Crashes
32
Reported by owners
Fires
1
Reported by owners
Injuries
8
Reported by owners
What owners say about the service brakes, hydraulic
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2008 TOYOTA PRIUS. WHILE DRIVING 20 MPH, THE BRAKE, ANTI-LOCK BRAKING SYSTEM, VEHICLE STABILITY CONTROL, AND TRACTION CONTROL WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. ADDITIONALLY, THERE WAS A TRIANGLE SYMBOL FLASHING. THE VEHICLE WAS TAKEN TO AUTONATION TOYOTA LEESBURG (1 CARDINAL PARK DR SE, LEESBURG, VA 20175, 571-357-3965) WHERE IT WAS DIAGNOSED THAT THE ANTI-LOCK BRAKE SYSTEM ACTUATOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND PROVIDED CASE NUMBER: 1809122780. THE MANUFACTURER STATED THAT THE VEHICLE WAS NOT COVERED UNDER A WARRANTY. THE FAILURE MILEAGE WAS 206,970.”
“WHENEVER I'M BRAKING THE VEHICLE AND IT GOES OVER A BUMP IN THE ROAD THE ANTI SKID BRAKING SYSTEM ENGAGES AND BLINKS ON THE DASH AND THERE IS A BRIEF SEVERAL SECOND LOSS OF BRAKING AND I CAN FEEL THE BRAKES DISENGAGE. *TR”
“WHILE ENTERING A HIGHWAY ONRAMP IN MY COMPANY'S 2008 TOYOTA PRIUS, THE CAR SUDDENLY BEGAN ACCELERATING OUT OF CONTROL WITHOUT APPLICATION OF THE GAS PEDAL. I HAD TO PRESS HARD ON THE BRAKE JUST TO HOLD THE CAR AT 65 MPH. THE CAR WAS SURGING AND LUNGING FORWARD, AND I WORRIED I WOULDN'T BE ABLE TO FIND A PLACE TO PULL OVER BEFORE LOSING CONTROL COMPLETELY. FOR THE NEXT 5-10 MINUTES, AS I APPROACHED TRAFFIC IN FRONT OF ME, THE CAR CONTINUED TO ACCELERATE, EVEN THOUGH I HAD MY FOOT ON THE BRAKE THE ENTIRE TIME. AT ONE POINT I NOTICED THE CAR WAS REACHING SPEEDS IN EXCESS OF 95 MPH. A LOUD RATTLING NOISE ENSUED AND AN ELECTRICAL SMELL FILLED THE CAR. EVENTUALLY, THE BRAKE COMPLETELY FAILED TO HAVE ANY EFFECT, AND, BARRELING DOWN THE HIGHWAY AT 90 MPH, I PUT THE CAR IN NEUTRAL, BUT IT CONTINUED TO ACCELERATE. AT THIS POINT I HAD MY RIGHT FOOT ON THE BRAKE PEDAL AND DEPRESSED THE PARKING BREAK ALL THE WAY TO THE FLOOR WITH MY LEFT FOOT, THIS SLOWED THE CAR SLIGHTLY, BUT NOT ENOUGH TO REGAIN CONTROL. FINALLY, I TURNED THE CAR OFF COMPLETELY, AND WITH MY HAZARD LIGHTS ON, MANAGED TO PULL THE CAR AWAY FROM TRAFFIC AND OFF ON THE SHOULDER OF THE HIGHWAY, WHERE I COASTED…”
“TL* THE CONTACT OWNS A 2008 TOYOTA PRIUS. THE CONTACT WAS BRAKING FROM 15 MPH AND ENTERING INTO A PARKING LOT BUT THE BRAKES DID NOT RESPOND. THE CONTACT CONTINUED TO APPLY PRESSURE TO THE BRAKES UNTIL THE VEHICLE CAME TO A STOP. THE CONTACT STATED THAT THE VEHICLE SUSTAINED SCRATCHES DUE TO BEING IN CLOSE PROXIMITY TO A BUILDING. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE CONTACT WAS AWAITING A DIAGNOSIS OF THE FAILURE. THE MANUFACTURER WAS CONTACTED AND STATED THEY WOULD SEND AN INSPECTOR TO INVESTIGATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 30,000.”
“2008 TOYOTA PRIUS. CONSUMER STATES TWO PROBLEMS WITH VEHICLE, THE ABS RELEASE MOMENTARILY CAUSES A BRIEF SURGE FORWARD ANY TIME THERE IS A SMALL BUMP IN THE ROAD WHEN BRAKING AND CONSUMER ALSO STATES HE NEARLY REAR ENDED ANOTHER VEHICLE AT A STOP LIGHT WHEN HE ALMOST COULDN'T STOP, EVEN BY PUTTING HIS ENTIRE WEIGHT ON THE VEHICLE. *TGW THE CONSUMER ALSO BELIEVED THE PEDALS WERE DESIGNED TOO CLOSE TOGETHER. *JB”
“TL*THE CONTACT OWNS A 2008 TOYOTA PRIUS. THE CONTACT STATED WHILE APPLYING THE BRAKES AFTER DRIVING OVER A BUMP, THE VEHICLE LUNGED FORWARD. THE ANTI-SKID LIGHT TURNED ON AND THEN OFF. THE VEHICLE WAS TAKEN TO A DEALER WHO COULD NOT DUPLICATE THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 21,000.”
Showing 6 of 171 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 4, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.