Emergency Brake, Traction and ABS warning came on and stayed on in addition to a five-second interval cycling on of a motor sound under the hood. O'Reilly Auto Parts and then Toyota dealership confirmed the same code that indicated brake booster assembly needs replacing (C1391) **This is a "known issue" but not yet a recall. Toyota did extend the part warranty to 10 years or 150,000 miles - my ve…
2015 toyota Prius V brakes problems
severe 8 complaints filed with NHTSA · avg repair $450
Complaints
8
Recalls
0
Crashes
1
Avg fix
$450
What owners are reporting 7 most recent
Car hesitates after stopping at a traffic light (5/30/21). After a few seconds the car finally engages (accelerate). Happens infrequently. Brakes seems to be stuck after braking and releasing brakes (7/15/21). Took a few second to acceleerate. Happens infrequently. Car switch to neutral after stopping at a traffic light (9/15/21). Car switch to neutral after stopping at a traffic light (10/12/21.)…
2015 TOYOTA PRIUS V: THIS CAR HAS A BRAKE SYSTEM ACCUMULATOR THAT ACTIVATES AFTER THE CAR HAS SAT FOR A SUFFICIENTLY LONG TIME (OVERNIGHT, DURING THE WORKDAY, ETC). WHEN YOU OPEN THE DRIVER SIDE DOOR, THE ACCUMULATOR ACTIVATES AND PRESSURIZES THE BRAKE SYSTEM. HOWEVER, WHEN USING THE BRAKES WHILE DRIVING FOR THE FIRST TIME AFTER THE ACCUMULATOR ACTIVATES, THE BRAKES ARE WAY TOO SOFT/SPONGY - SO …
Brake light + ABS + traction light came on and the brake became harder to control. I was driving in the rain and briefly lost control. Fortunately, no accident.
brake failure during operation due to bad brake booster pump and accumulator.
I started hearing the whirring sound from the brake booster that normally only comes on at startup almost constantly, about every 15 seconds. Along with this, a puffing sound and a pulsing from the brake pedal when stopped with the car on, such as at a traffic light. Also, when coming to a stop there would be a shudder from the brakes. After about a month I was driving when 3 separate warning lig…
THIS IS AN OCCASIONAL AND INTERMITTENT ISSUE. AT 35 TO 45 MPH, TRAVELING STRAIGHT, ON CITY AVENUES AND BOULEVARDS. WHEN BRAKING IN AN URGENT FSHION (NOT PANICK AND NOT EASY) THE BRAKE PEDDAL IS SOFT AND TRAVELS SIGNIFICANTLY FURTHER THAN USUAL BEFORE THE CARS BREAKING SYSTEM TAKES EFFECT. THIS WAS ON DRY ROADS AND ABOVE FREEZING TEMPERATURES. WE HAVE NOT EXPERIENCED ANY ACCIDENTS DUE TO T…
Common questions
How serious is the brakes problem on the 2015 toyota Prius V?
It's a meaningful issue. 8 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.
Some links on this page are affiliate links.