really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
3,150 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2010 Toyota Prius brakes problems

brakes problem

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2010 Toyota Prius Owner Comments

problem #14

Sep 012011

Prius 4-cyl

  • miles


2010 Toyota Prius. Consumer states when one of the front tires travels over uneven payment specifically an indentation in the road the braking action fails momentarily the consumer stated the vehicle lunged forward a few feet, before the brakes engaged again. The dealer informed the consumer the issue had to do with the ABS/trac system.

- Manchester, NH, USA

problem #13

Sep 152010


  • 100 miles
The contact owns a 2010 Toyota Prius. The contact was driving approximately 5 mph when the anti-lock brakes engaged independently and caused the vehicle to come to a sudden halt. The vehicle was inspected by the dealer who was unable to diagnose or duplicate the failure. The vehicle was not repaired. The failure mileage was approximately 100.

- Cincinnati, OH, USA

problem #12

Feb 262011

Prius 4-cyl

  • 9,930 miles
2010 Toyota Prius. Consumer states problem with the ABS system the consumer stated the first time he went to the dealer for the ABS problem, they were unable to find a defect. One month later, the consumer returned to the dealer and they reprogrammed the ABS and the brakes worked fine for about one week. Soon, the brakes began slipping again and ultimately, the consumer crashed into another vehicle. The consumer stated it seemed the brakes would fail when he applied the brake, released his foot and then braked again.

- Short Hills, NJ, USA

problem #11

May 172010


  • miles


2010 Toyota Prius. Consumer states vehicle did not seem to stop immediately when he hit a bump.

- Cleveland, OH, USA

problem #10

Apr 302010


  • 11,100 miles
The contact owns a 2010 Toyota Prius. The contact stated while driving at speeds of 15 mph and attempting to brake, the anti lock braking system failed and the brakes would not engage. The dealer was unable to duplicate the failure and advised the contact that there was nothing wrong with the vehicle. Previously, the contact received repairs to the service brakes and electronic control module under an unknown recall and stated the failure was not the first occurrence following recall repairs. The failure mileage was 11,100 and the current was 11,500.

- Brookline, MA, USA

problem #9

Apr 062010

Prius 4-cyl

  • miles
2010 Toyota Prius. Vehicle repair was covered under a recall, but after a no brake incident consumer questions the repair. The consumer stated the recall was performed on April 3, 2010. However, on April 6, 2010 he hit a slight bump as he applied the brakes and had a momentary feeling of having no brakes. The vehicle did stop. However, the instance did lead the consumer to question the adequacy of the fix.

- Pahrumo, NV, USA

problem #8

Apr 232010

Prius 4-cyl

  • 6,239 miles


2010 Toyota Prius. The consumer stated he experienced two safety issues; loss of brake effectiveness and engine race when the consumer applied the brakes when going over bumps/rough roads, or in marginal conditions due to snow/ice when approaching a stop sign, he would lose braking effectiveness. The consumer took the vehicle to the dealer for a recall repair on March 24, 2010. However, he continued to experience loss of brake effectiveness. The consumer pulled into a neighbor's driveway after driving less than one mile from his home. After pushing the park button, but before pushing the power button, the engine began to race. It was not at an extreme high RPM and it was not for an extended period time, but it did last for several seconds. After the vehicle went down to normal RPM, after a S second or two, it began all over again. The consumer stated it was not a surge as the vehicle was not in gear at the time.

- Edina, MN, USA

problem #7

Apr 012010


  • miles
2010 Toyota Prius. Consumer states brake problems. The consumer stated it appeared as if the software patch for the 2010 Prius was not enough as he has experienced one more occurrence since getting the patch on March 1, 2010. Prior to the software patch, the consumer experienced brake stuttering may be 10 times. The consumer stated he read where the switch from regenerative to mechanical braking occurred at about 9 mph he noticed that the brake stuttering seemed to occur closer to 20 mph. It would not just occur when hitting a small pothole, but sometimes with just steady braking on smooth surfaces. On a smooth surface, the feeling would be a bit of a jerk. He would decelerate with pressure against the seat belt and his hands on the steering wheel, then there would be 1/4 of a second where there was no pressure because the brakes were not working, then he would jerk forward as the brakes began to work again, there was a somewhat different sensation when hitting a small pothole. The most recent momentary brake failure occurred while stopping for a red light. The consumer stated he slowed down to 20 mph when he felt a different type of stuttering than previously. It may have been a double stuttering, but it seemed harder.

- Schenectady, NY, USA

problem #6

Oct 132009


  • 30 miles
The contact owns a 2010 Toyota Prius. The contact was driving approximately 4 mph when the brakes were applied, the anti-lock brake system warning light illuminated on the instrument panel and the brakes began to lock. The vehicle was taken to an authorized dealer. The technician confirmed that the brakes were not operating properly after test driving the vehicle. The vehicle remained at the dealer for further inspection. The contact was provided a loaner vehicle. The technician stated that after the final inspection the brakes were operating normally. The failure mileage was 30. The current mileage was 5,500.

- Malvern , PA, USA

problem #5

Aug 012009


  • miles
2010 Toyota Prius. Consumer states rear brakes released or slipped and vehicle sped up. The consumer stated within the first month of driving, she drove over an uneven, perhaps potholed area in the road and it seemed as if the vehicle's rear brakes released or slipped, and the vehicle sped up. The vehicle then seemed to correct itself and drove smoothly ahead with proper braking.

- Cherry Hills Village, CO, USA

problem #4

Dec 162009

Prius 4-cyl

  • 4,500 miles


The contact owns a 2010 Toyota Prius. The consumer stated as he began to slow down and applied the brakes. The vehicle traversed a portion of the roadway that had some potholes on it and the brakes released for what seemed a second. The consumer was doing about 30 mph and pressed the brake pedal more firmly. It seemed as the vehicle was attempting to use ABS in a condition that it deemed was an uneven roadway/icy road conditions. However, the condition at the time was bare and dry. The consumer believed that the vehicle would operate as expected in dry smooth roadway conditions, but when the road surface was bumpy or slick, the ABS system would act as if the vehicle were going to slide. The dealer performed the software update to alleviate the problem. Failure mileage was 4,500. *updated 03/01/10 updated 05/10/10

- Bonney Lake, WA, USA

problem #3

Jan 102010


  • 3,500 miles
2010 Toyota Prius anti-lock brakes fail to stop skidding on minor ice.

- Berkeley Heights, NJ, USA

problem #2

Aug 152009

Prius 4-cyl

  • 2,000 miles
The contact owns a 2010 Toyota Prius. The consumer stated the problem has occurred a total of 4 to 5 times. The dealer was contacted and they stated that they never heard of this problem and if it occurred again to give Toyota a call. There have been no repairs done to the vehicle. The failure mileage was 2000 and current mileage was 8200. Updated 3/17/10 the consumer stated when he approached a stop light at the top of the ext ramp, at less than 35 mph, he encountered a bumpy surface in the road and the brakes seemed to suddenly release and the vehicle rolled ahead. The brakes seemed to re-engage moments later, preventing the vehicle from hitting in car ahead. It was a moderate stop on dry pavement with consistent pressure on the brake pedal. Updated 05/20/10

- Annandale , VA, USA

problem #1

Jan 102010

Prius 4-cyl

  • Automatic transmission
  • 6,700 miles
The contact owns a 2010 Toyota Prius. While driving approximately 45 mph and applying the brake pedal, the vehicle would not respond. She felt the vehicle accelerating while attempting to brake. On one occasion, while depressing the brake pedal on a hill, the vehicle accelerated down the hill. This occurred on several occasions. The dealer was contacted and advised bringing the vehicle in for a diagnostic test. No repairs were made to date. The current and failure mileages were under 67,000. Updated 04/01/10 the consumer stated when she applied the brake, it didn't engage and the vehicle momentarily surged forward before the brake finally engaged. Updated 07/06/10.

- Mt. Kisco, NY, USA

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