The brake system is constantly failing/malfunctioning.It is available for inspection upon request. There has been several incidents where other vehicles have nearly been rear ended. I took my 2011 Toyota Prius (hybrid) to Toyota approximately 8 months ago. They/Toyota did confirm that the problem was indeed the brake booster. The warning lamps did come on soon as the brakes started malfunctioning.
2011 toyota Prius brakes problems
severe 216 complaints filed with NHTSA · avg repair $450
Complaints
216
Recalls
0
Crashes
9
Avg fix
$450
What owners are reporting 11 most recent
I have a 2011 Toyota Prius with 85K miles, as I was driving on the highway the abs light, brake light, and TSV light came on and then brakes were not working like normal. Had to pump the brakes very rapidly and steer off to the right side of the highway and use the emergency brake to come to a complete stop. I called the Toyota dealer and they said its the brake accumulator fault and they will no…
ABS, Slip Indicator and Brake warning lights have appeared on the cars dashboard. DTC fault code C1391 has appeared indicating a failure of the Brake Booster and Brake Booster Pump assemblies per Toyota Customer Support Bulletin (ZJB) No.: POL18-03. Loss of regenerative braking, putting the safety off occupants at risk.
THE BRAKE SYSTEM APPEARS TO BREAK DOWN; ABS MODULE AND BRAKE BOOSTER LOSE POWER. THIS CAUSES BRAKING TO BE HARDER AND POTENTIAL SAFETY FOR THE VEHICLE TO LOSE ALL BRAKING CAPABILITY. THIS ISSUE OCCURS WHEN BRAKING. THERE APPEARS TO BE LESS AIR PRESSURE IN ASSIST IN THE BRAKING. READING ONLINE THIS IS A VERY COMMON ISSUE FOR THE 2011 VEHICLE! THE 2010 MODEL HAD A RECALL DUE TO MANUFACTURE DE…
All brake lights on Dashboard came on. Almost got into an accident because brakes were not responding. Brakes started responding but lights remained on. At time it will contibue to beep and Brakes do not respond. I am seeing that this is a common issue happening to most Prius vehicles after a certain period. It is extremely expensive to repair. Since this is happening on quite a lot of Prius vehic…
TL* THE CONTACT OWNS A 2011 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 40-50 MPH, THE BRAKE PEDAL WAS DEPRESSED AND AN ABNORMAL NOISE WAS HEARD. THE CONTACT STATED THAT THE ABS WARNING INDICATOR ILLUMINATED AND THE BRAKE PEDAL WAS DIFFICULT TO DEPRESS. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED OR REPAIRED. MARIETTA TOYOTA (750 COBB PKWY S, MARIETTA, GA 30060, (770) 422-1490) WAS NOTIFIED. THE MANU…
The ABS Actuator and Booster failed with diagnostic error code C1391
THE PROBLEM MY CAR EXPERIENCED HAPPENED WHILE THE VEHICLE WAS IN MOTION ON I-110 IN PENSACOLA, FLORIDA AND PRESENTED ITSELF ABRUPTLY (THROUGH THE CAR'S WARNING INDICATORS AT LEAST) ON FRIDAY, AUGUST 31ST HEADED TO PENSACOLA BEACH FOR LABOR DAY WEEKEND FROM OUR HOME IN BATON ROUGE, LOUISIANA. ALL THE CAR'S BRAKE WARNING LIGHTS CAME ON SIMULTANEOUSLY AND WITHOUT WARNING, THE MASTER BRAKE LIGHT, THE …
I WAS TRAVELING DOWN A MOUNTAINOUS ROAD AND THE ROAD SURFACE CHANGED FROM GRAVEL TO ASPHALT. I WAS ALSO BRAKING AT THE SAME TIME WHEN THE BRAKES SEEM TO BECOME NONEXISTENT AND THE CAR JUST LURCHED FORWARD. THIS HAS HAPPENED 3 TIMES BEFORE. *TR
TAKATA RECALL MY 2011 PRIUS HAS AN ISSUE WHERE THE BRAKE BECOMES SPONGY AT RANDOM WHILE DRIVING UNDER NORMAL CONDITIONS. THE BRAKE, ABS, AND TRACTION CONTROL LIGHTS ALL ILLUMINATE SIMULTANEOUSLY. AFTER RESETTING THE COMPUTER, THE ISSUE COMES BACK WITHIN 10-30 MINUTES OF DRIVING AT RANDOM. TOYOTA TOLD ME IT IS A $3,000 FIX AND THERE IS NO RECALL FOR MY YEAR. MY CAR HAS 110,393 MILES.
Common questions
How serious is the brakes problem on the 2011 toyota Prius?
It's a meaningful issue. 216 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $450.
At what mileage does the brakes typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
No active recalls currently cover brakes issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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