1. Toyota Prius
  2. Problems
  3. 2010
  4. Control Unit/Module

2010 Toyota Prius Control Unit/Module Problems

122
Owner complaint records in our dataset

Records are owner complaints, not a measured failure rate.

Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.

Among these 122 stored complaint records:

  • 8 indicate a crash
  • 0 indicate injury
  • 0 indicate fire

What owners report

  • brake pedal · 57 records
  • failure mileage · 38 records
  • failure occurred · 25 records
  • current mileage · 24 records
  • mileage current · 13 records
  • lunged forward · 13 records

Mileage in stored records

BandRecords
1–30k mi106
60–100k mi1

Complaint records

Owner-submitted complaint content, presented as stored.

  • September 25, 2009 · 600 miles

    Control Unit/Module · Service Brakes, Hydraulic

    Tl*the contact has 2010 toyota prius. The contact was engaging the brake pedal while driving 15 mph into a pot hole. Once the contact drove into the pot hole the brakes released and she was forced to pump the brakes in order to stop the vehicle. The contact stated that there was a loud screeching noise as well. The failure mileage was 600. The current mileage was 5,600. *cn updated 02/17/10

    ODI 10301755

  • September 19, 2009 · 2,100 miles

    Control Unit/Module

    Tl* the contact owns a 2010 toyota prius. The contact stated that when he hit a bump in the road or a pothole and depressed the brake pedal, the brakes seemed to released or let go; instead of slowing down, the vehicle would continue moving at the same speed. He noticed the issue on an intermittent basis and only when on a rough or bumpy surface. He had not taken the vehicle to the dealership but called; he was told…

    ODI 10305176

  • September 18, 2009 · 500 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. The contact stated that the brakes were momentarily unresponsive at low speeds when driving approximately 10 mph over a pothole. She stated that the failure occurred 50% of the time she drove over a pothole or bumpy surface. She called the dealer and was told that the abs was the cause and it was normal. She called the manufacturer and was unable to speak with a…

    ODI 10306415

  • September 18, 2009 · 2,000 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving 5 mph over railroad tracks with his foot on the brake pedal, the vehicle accelerated on its own. The failure does not occur while driving over smooth road surfaces. The dealer has not been contacted. No repairs were made to the vehicle. The failure mileage was 2000 and the current mileage was 11000.

    ODI 10305691

  • September 17, 2009 · 600 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving over a rough surface, the brakes failed to stop the vehicle. He stated that the anti-skid activated while driving on that type of surface. The failure occurred 100% of the time on roads with a rough surface. The dealer told him that there was nothing wrong with the vehicle. He had not spoken with the manufacturer to-date. The vehicle had not been repaired at the…

    ODI 10308729

  • September 13, 2009 · 11,000 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. The contact stated that when she attempted to stop the vehicle by engaging the brake pedal while driving approximately 26 mph over a pothole, the vehicle lunged forward. The dealer confirmed that the vehicle was functioning properly since it has an electrical engine. The failure continued to occur and has become more consistent. The failure mileage was 11,000.

    ODI 10305467

  • September 10, 2009 · 200 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius which was purchased in august 2009. She stated that whenever she applied the brake pedal during inclement or rainy weather conditions and uneven pavement, the vehicle lunged forward. The brakes would not engage and there would be a momentary hesitation. The dealer was contacted and advised her that it was normal and she must have been driving too fast. The contact confirmed…

    ODI 10311487

  • September 10, 2009 · 150 miles

    Control Unit/Module · Service Brakes, Hydraulic

    Braking problems with 2010 toyota prius. Since the purchase of this car on august 22, 2009, under the cash for clunkers program, my wife has repeatedly described the situation in which the brakes release unexpectedly. Specifically, when braking at low speeds while driving over a rail crossing (single track), the brakes release momentarily as the car experiences the bumping motion induced by the tracks. This can be…

    ODI 10306034

  • September 10, 2009 · 3,000 miles

    Control Unit/Module · Service Brakes, Hydraulic

    I want to report a momentary brake failure of 2010 prius over uneven roads 2 months ago. I didn't report it earlier because i didn't know if it was a one-off or systematic issue. Two months ago, i was driving a newly owned prius with hardly 4000 miles on it over a stretch of rt. 93 from andover to boston. I was traveling at about 65 - 70 mph on the left fastest lane. I cam across a bumpy patch, probably the road was…

    ODI 10305982

  • September 9, 2009 · 1,000 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving approximately 35 mph in rainy weather conditions, the driver encountered a pothole in the roadway and the anti-lock brake system engaged. Suddenly, the brake pedal traveled to floor without resistance and a no power response. The vehicle slowed down after extreme and continuous force was applied to the brake pedal. The failure occurred when there was inclement…

    ODI 10306372

  • September 9, 2009 · 3,000 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. The vehicle began to accelerate without warning while driving approximately 15 mph over a pothole. The contact was forced to apply extreme pressure to the brake pedal in order to stop the vehicle. The dealer advised the contact that the vehicle will continue to respond that way whenever the electrical engine switched to the gasoline engine. The failure mileage was 3,000.

    ODI 10305420

  • September 6, 2009 · 6,000 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving approximately 10 mph over a speed bump or a pothole with her feet on the brake pedal the vehicle lunged forward and accelerated. The dealer stated that the vehicle was performing normally since the electrical engine was switching to the gasoline engine. The failure mileage was 6,000.

    ODI 10306337

  • August 21, 2009 · 4 miles

    Control Unit/Module · Vehicle Speed Control

    Tl*the contact owns a 2010 toyota prius. While driving 10 mph over railroad tracks engaging the brake pedal the vehicle failed to stop and accelerated. The failure occurred intermittently; therefore, when she took the vehicle to the dealer for routine maintenance, she did not mention the failure. She will take the vehicle back to the dealer to be diagnosed. The failure mileage was 4 and the current mileage was…

    ODI 10305695

  • August 18, 2009 · 1,000 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving 15 mph with the brake pedal engaged it failed to respond which forced her to apply pressure to the brake pedal in order to stop the vehicle. The vehicle also lunged forward when the contact drove over a pothole. The dealer stated that since the vehicle was brand new it was adjusting to her driving pattern. The failure has occurred approximately 6 times. No…

    ODI 10307813

  • August 10, 2009 · 4,500 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving 30 mph the vehicle became difficult to stop when he drove over speed bumps. The contact stated that when the vehicle surged forward it felt as if he lost braking ability. The contact has not taken the vehicle to the dealer to have the failure diagnosed. The failure has occurred since the vehicle was purchased. The contact is concerned that a crash could occur if…

    ODI 10305397

  • July 8, 2009 · 400 miles

    Control Unit/Module

    Tl*the contact owns 2010 toyota prius. While driving approximately 20 mph on an uneven raised roadway surface; proceeding to make a left turn. Pressure was applied to the brake pedal, followed by an unintended acceleration. The vehicle resumed to normal operation after applying pressure to the brake pedal. The failure occurred whenever encountering an uneven road surface. The vehicle has not been inspected for the…

    ODI 10306450

  • July 2, 2009 · 7 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. While driving 15 mph and engaging the brake pedal the vehicle failed to stop immediately. Occasionally, the vehicle also responded as if it were hydroplaning on normal road conditions and within moments, the brakes would reset. The dealer stated that the vehicle was equipped with an abs. The failure was a normal occurrence for the vehicle. There were no recalls. The vin was…

    ODI 10305989

  • June 21, 2009 · 20 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. The contact stated that when driving over a rough surface while depressing the brake pedal the vehicle accelerated; however, the failure did not recur on smooth road surfaces. The failure occurred on a weekly basis. He called the dealer and was told that there was nothing they could do to repair the vehicle until the manufacturer advised them. The vehicle identification…

    ODI 10305393

  • June 15, 2009 · 500 miles

    Control Unit/Module · Service Brakes, Hydraulic

    I own a 2010 toyota prius and am experiencing the exact problem that was just announced about the brakes. When i brake over a bumpy surface the brakes go almost to the floor before i am able to stop. Also happens on snowy/icy surfaces. I had toyota look at my brakes on 10/27/09 at toyota scion of oak lawn, il. I was told by them that my brakes checked out fine. *jb

    ODI 10306046

  • June 12, 2009 · 10,456 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. The contact stated that the brakes failed whenever the vehicle is driven approximately 15 mph over bumpy pavement. The failure has occurred since the vehicle was purchased. The most recent failure mileage was 10,456 which was also the current mileage.

    ODI 10305666

  • May 18, 2009 · 14,905 miles

    Control Unit/Module

    Tl*the contact owns a 2010 toyota prius. The contact stated that as she was coming to a stop and the road was wet when there was gravel on the road the brakes would not engage while being depressed. The vehicle lunged forward and hit the curb a couple of times. When driving at a high speed and slowing down the brakes did not hold and a crash almost occurred. The contact stated that on several occasions brake failure…

    ODI 10314151

  • December 20, 2007 · 4,400 miles

    Control Unit/Module · Service Brakes, Hydraulic · Vehicle Speed Control

    Brake failure on our 2010 prius. *jb updated 02/17/10 *bf the consumer also stated he experienced sudden acceleration. Updated 03/05/10

    ODI 10306050