2012 Toyota Prius V Service Brakes Problems
Owners have filed 124 complaints with NHTSA about service brakes problems on the 2012 Toyota Prius V, 57% of all complaints for this model year. Half of the reports with a mileage happened before 68,000 miles. The words owners use most often: “brake booster” (31% of reports).
- 124service brakes complaints
- 68,000median miles at failure
- 10mention a crash
- 1mention an injury
- 0related recalls
- $4,250typical repair cost reported by owners
- 31%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Brake booster: mentioned in 38 of 124 complaints (31%)
- Master cylinder: mentioned in 21 of 124 complaints (17%)
- Code C1391: mentioned in 18 of 124 complaints (15%)
- Support program: mentioned in 11 of 124 complaints (9%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical service brakes repair on the 2012 Toyota Prius V at $4,250, and half of them between $3,850 and $5,000.
Based on 23 NHTSA complaints about this problem alone that state a repair bill or quote (2018–2025), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do service brakes problems happen?
Based on 61 complaints that reported the odometer reading.
How serious are the reports?
Of 124 complaints, 10 mention a crash, 1 an injury.
Toyota Prius V service brakes complaints by model year
| Model year | Service Brakes complaints | Share of that year | Median miles |
|---|---|---|---|
| 2016 Prius V | 3 | 19% | — |
| 2015 Prius V | 12 | 50% | 34,500 |
| 2014 Prius V | 38 | 46% | 58,500 |
| 2013 Prius V | 64 | 51% | 72,000 |
| 2012 Prius V | 124 | 57% | 68,000 |
When owners reported it
Related recalls (0)
No safety recall lists service brakes for the 2012 Toyota Prius V. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
2012 Toyota Prius v with 89,662 miles. Multiple brake warning lights illuminated, and the vehicle stored diagnostic trouble code C1391, âAbnormal Leak in Accumulator.â The brake booster/accumulator pump is also cycling about every 13 seconds, even when the brake pedal is not being applied. The…
Brake actuator assembly failure on a vehicle with 99,818 miles. Whirring sound when braking followed by lighting of several brake alert lights on dash including PCS and ABS and others. The whirring noise has occured for several weeks, but the light indicators happened on 6/28/26. Toyota has an…
The ABS system has failed. All brake related warning lights have appeared on the dash board and the ABS no longer works. The car will brake for now, but the pedal is mushy. The issue was diagnosed by a dealer. The diagnosis from the dealer, based on diagnostic trouble codes they did not provide, is…
Frequently asked questions
Do all 2012 Toyota Prius Vs have service brakes problems?
No. NHTSA has 124 owner complaints about service brakes for the 2012 Toyota Prius V (57% of the 218 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2012 Toyota Prius V service brakes?
No recall currently lists service brakes for this vehicle.
At what mileage do service brakes problems start?
The median reported mileage is 68,000 miles: half of the reports with a mileage came before that.
How much does it cost to fix service brakes problems on the 2012 Toyota Prius V?
Owners report a typical cost of $4,250 (half paid between $3,850 and $5,000), from 23 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about service brakes problems on the 2012 Toyota Prius V?
The most frequent phrase is “brake booster”, in 38 of 124 complaints, followed by “master cylinder” (21).
See all 2012 Toyota Prius V problems or service brakes problems across all Prius V years.