2012 TOYOTA PRIUS V Complaints

As I was driving, all of the brake lights turned on on the dashboard. The moment the lights turned on the brake power felt low on heavier pedal depression. I took the car in to the dealership for assessment and said they found internal failure of both brake actuator and booster and recommended replacement of both actuator pump and booster. I have had both the parts replaced and after now the second replacement of the master cylinder, there is still an error code for the pressure cylinder and all the brake lights are on.

The contact owns a 2012 Toyota Prius V. The contact stated while driving approximately 35 MPH and at various other speeds, the contact heard an abnormal whirring sound like an electric motor engaging coming from the engine compartment. The contact stated that several unknown warning lights were illuminated with the brake pedal going to the floorboard while being depressed. The contact stated that the failure also occurred while starting the vehicle. The contact stated that the failure persisted. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the brake booster and the brake booster vacuum pump needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The contact called the manufacturer and was informed that the failure was related to Customer Support Program: 20TE07 - Brake Booster and Brake Booster Pump Assemblies (Service Brakes); however, the vehicle was not covered under warranty. The failure mileage was approximately 112,000.

Failure of hydraulic power brake booster and brake booster pump caused loss of brake fluid resulting in brakes not working properly. Cycling noise from brake booster. Vehicle regenerative brake system also failed to operate. Independent dealer repaired vehicle at my expense after Toyota denied warranty repair

Brake light, Trac light, and ABS light came on after brake pedal became squeshy. Took to nearby repair shop and advised that car was not safe to drive. Scanned for codes. Code C1391 (Abnormal leak of ACC pressure) indicated. Recommended that brake booster assembly with the master cylinder be replaced, and replace the Brake Booster Assembly. Total cost of repair was $4,188.02.

the car was serviced regularly and for unknown reason the engine started running rough. I took it the mechanic and after completing a diagnostic test he said i have a blown had gasket in the engine. After reading online about the issue i discovered this year and model of toyota are notorious for having a blown head gasket issue. My mechanic recommended the engine be replaced. This is an expensive repair and toyota is denying any accountability about the issue

The brake had an issue while driving. It was hard to stop the car. It is probably due to the brake booster. I had this issue and I took my car to the dealership and they could not find the problem. I had the same issue again while driving. Luckily, when both problems happened, I drove slowly on the local roads. Toyota had recalled those specific models but the length of the warranty is not long enough to solve the problem. For instance, they gave a second warranty, either 10 years or 150K miles, which hits first. I got this brake problem 6 months later after the warranty expired. But my mileage is low ~118K. For drivers' safety, they should extend the length of the warranty. The two parts are expensive (~4-5K in total) and apparently, that's the problem with the design of the auto parts. Customers should not pay for them and risk their own life.

In September 2022, my car, a 2012 Toyota Prius V with 79, 056 miles, began making noises in the engine area and the brakes became loose, meaning it took more pressure on the brake pedal to engage the brakes. In November 2022 the following warning lamps on the dashboard came on: Master Warning Light, Brake System Warning Light and Warning Buzzer, Brake System Warning Light, ABS Warning Light and SLIP Indicator. I took it to the Toyota Dealership near me: Lipton Toyota in Ft. Lauderdale, FL, and they diagnosed car with the trouble code of C1391-Abnormal Leak of Accumulator, Internal ABS Actuator Failure. To fix this problem, Lipton Toyota will charge $3124.29 for the repair. Toyota Motor Sales, U.S.A., Inc. issued a customer support program notification that would cover this repair if the malfunctions happened before coverage ended. Primary Coverage was applicable until December 31, 2021 with no year/mileage limitation. Secondary Coverage was applicable for 10 years from the vehicle's date of first use or 150,000 whichever occurs first. Date of first use on my Prius V was 03/01/2012 and my mileage is 79K. So as you can see, I am just out of the coverage window. My private mechanic and myself have appealed our case to Toyota that this problem should be a recall with no limits on coverage. (Toyota Motor Sales, U.S.A., Inc. - case reference # 230206000678) I believe that if I had driven my car more, (which was not done because of the Pandemic 2020-2021) this issue would have come up before the cut off date for repair coverage. I also believe that this problem with the Brake Booster and Brake Booster Pump Assemblies on certain 2012-2014 model year Prius V vehicles should be a recall.

I was driving at night and several brake related dashboard lights suddenly lit up and I wasn’t able to use my brakes. I managed to coast safely to a stop, called a tow truck, and got my car home. Mechanic found a c1391 code and told me to go to Toyota. Toyota says the accumulator has a leak and it causes the brake up issue, but the service plan free program to fix it expired. They want $5000 to fix it. I want Toyota to extend the plan because I didn’t drive as much during the pandemic and I would have had the issue earlier had I been driving at normal amounts,

All the lights on my dash lit up. I took it immediately to Toyota of Dallas . I tried numerous times connecting with Dimatrius service manager. No call back. An inspection was done on the vehicle. He stated it would be a $5000 job and I was out of warranty. Their is too many people having this issue if you search many 2012-2014 people are having this issue in a addition to to a google search search for a letter at Capistrano Toyota.

The contact owns a 2012 Toyota Prius V. The contact stated while driving 30 MPH, the vehicle stalled inadvertently. Several unknown warning lights were illuminated. Additionally, the brake pedal was depressed but failed to respond. The contact veered to the side of the road and intentionally struck the curb to stop the vehicle. The vehicle failed to restart. The contact stated that the vehicle later restarted and was driven to the dealer. The dealer diagnosed that the ABS actuator had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that they could not assist because an unknown Toyota Courtesy Program issued for the failure had expired. The failure mileage was approximately 160,000.