Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Crashes / Fires:
6 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
31,548 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.

2012 Toyota Corolla engine problems

engine problem

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2012 Toyota Corolla Owner Comments

problem #14

May 082016


  • 20,000 miles


I was positioning the car into a parking place when it accelerated forward very quickly. It seemed to me that it made two spurts, veering to the right, before crashing into an area of bushes and small trees bisecting the grass strip that divided two areas of the parking lot. I was not injured, and the air bag did not deploy. The cost of repair was approximately $5,000. I have repair invoices etc

- Ambler, PA, USA

problem #13

Dec 232015


  • 22,633 miles
The contact owns a 2012 Toyota Corolla. While the vehicle was driving in reverse at 5 mph, it began to accelerate forward without warning. The failure recurred twice. The vehicle was taken to a dealer where the cause of the failure was not determined. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 22,633. Updated 02/12/16

- Chicago, IL, USA

problem #12

Jul 212014

Corolla 4-cyl

  • 190,000 miles
My husband was parking and the accelerator pad stuck resulting in the car lunging forward at a higher rate of speed flipping over.the air bags did not deploy as well. At the time we had no idea what happen. I saw online where a recalls were put in as well as compensation being offered to victims. We would like to know whom to contact about this.

- Dallas , TX, USA

problem #11

Feb 092015

Corolla 4-cyl

  • 45,000 miles


I was leaving work and driving on a curvy road going slightly uphill. I was in 3rd or 4th gear (not sure as I am writing this hours later) and driving at constant speed (around 35 mph) when the car began to accelerate. It felt as though I was driving with the cruise control and hit the up lever to accelerate. The pedal fell away from my foot and I immediately put in the clutch. At that point the rpms shot up to over 6000 and the engine raced wildly. I moved the shifter out of gear (with clutch still in) and coasted along for what was probably 30-60 seconds. At that point the accelerator pedal popped up and the whole event was over. I stopped for groceries and looked at the pedal and floor mat. I could see no obstruction and the mat seemed to be where it had been for weeks. Continuing on my way home I was driving on level road at about 30-35 mph. There was a car merging in and I sped up to get in front of them when it happened again. Again I popped the clutch, rpms shot up, engine racing. This time I pried at the accelerator pedal with my foot and it popped up. The event was over in around 30 seconds.

- Cranberry Twp, PA, USA

problem #10

Oct 092014


  • 34,415 miles
I was going to park my car in an empty parking spot, was just in idle speed putting the car into the parking space when all of it sudden the car started accelerating by itself. Because of the acceleration my car hit the car that was park in front of me, the acceleration was so sudden and it pick up enough speed and force to move the park car three to five inches from its resting point. That is how the accident happen. Also the airbags did not open when my car hit the other car.

- Orlando, FL, USA

problem #9

Sep 252014


  • 38,700 miles
The contact owns a 2012 Toyota Corolla. The contact stated that while reversing, the brakes were engaged but the vehicle accelerated causing the rear end of the vehicle to crash into front end of another vehicle and the air bags failed to deploy. A police report was not filed and no injuries were sustained. The vehicle was repaired. Also, the contact stated that the failure occurred on numerous occasions. The manufacturer was made aware of the failure. The approximate failure mileage was 38,700.

- Citrus Heights , CA, USA

problem #8

Sep 172014

Corolla 4-cyl

  • 28,394 miles


While driving northbound on interstate I-75 home during rush hour in the metro-detroit area, the vehicle sped up in excess of 90mph! I almost caused a collision. The gas pedal did not react to my foot not even being on the pedal! I braked and pumped the brake to only control my speed. When I finally got the vehicle to park, the engine was still running at a high rate like the engine was reacting to pressure on the gas pedal. The car smelled like smoke from the brake pad. If it wasn't for the brake pad, I might of been more severely injured or worse. I plan to take the vehicle back to the dealership and see what they can do. But please, please, please help my family and I out.....we have a 2014 Corolla VIN # [xxx], another 2008 Corolla VIN # [xxx], and just recently a 2014 Toyota rav4 VIN # [xxx] was a very scary ordeal....I'm very concerned for the well being of my family driving these vehicles. I thought the issue was fix already"???" maybe not. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Waterford, MI, USA

problem #7

Mar 212012


  • 20 miles
The contact owns a 2012 Toyota Corolla. The contact stated while driving various speeds the vehicle would intermittently lose power when accelerating. The dealer was unable to duplicate the failure to properly diagnose the failure. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was 20.

- Johnston, IA, USA

problem #6

Feb 212014

Corolla 4-cyl

  • 36,509 miles
As I was approaching a stop light, I began applying my brakes & slowing I got closer to the vehicle in front of me I applied full pressure. My vehicle surged forward & I had the brake pedal completely to the floor. I could not swerve due to oncoming traffic. This resulted in me rear-ending the vehicle in front of me. I had only purchased the car a week before! I took the car into the dealership & explained what had happened. They checked out the braking system & said that it was working properly & they could find nothing wrong with it. This did not surprise me after reading the other complaints. As a result, I had to file with my insurance company which raised my rates. I am not happy about this! I have to drive 40 miles, one way, to work, and I am constantly fearing that it will happen again & that the results will be much worse. What recourse do I have?

- Conroe, TX, USA

problem #5

Aug 212012

Corolla 4-cyl

  • 1,846 miles
While making a left hand turn off of a busy street, the car slowed to an unsafe speed and was dangerously slow to accelerate. This has happened several times since then with the most recent on February 11, 2014. Toyota maintains there is nothing wrong because it happens at intermittent times and can't be duplicated in the four times it has been taken in.

- West Hollywood, CA, USA

problem #4

Jan 122014

Corolla 4-cyl

  • 21,711 miles


Accident occurred when trying to park Toyota Corolla 2012 in a grass parking space. Driver (me) began to brake to get into the designated parking space, the engine revved up and the vehicle accelerated (as if it has a "mind of its own") until it struck the vehicle parked in front, driver continued to apply brakes but vehicle did not stop and vehicle continued accelerating; the steering wheel turned to the right and struck another vehicle also parked. Driver tried to stop the car by shifting to "parking" but it just made a loud noise and the shift gear was stuck. Car was towed to the collision center of the Toyota deal, and requested an inspection to check for mechanical failures. After many unsuccessful follow up calls, the collision center manager communicated on 02/07/2012 that: "there was nothing wrong with the car as they tested and they could not make the car replicate the incident, " (the collision damage repairs were finalized on 02/06/2014.) note: A recall notice was previously received for airbag sensor defect. Car was taken to the dealer for repair prior to collision. At the time of accident, airbag did not deploy.

- Cape Coral, FL, USA

problem #3

Dec 102012


  • miles
2012 Toyota Corolla. Consumer writes in regards to vehicle sudden acceleration and steering problems. The consumer stated when she slowed/braked for a dip in the road, the vehicle surged and then idled at a speed of 10-15 mph, without her applying the gas pedal. The consumer stated due to the sudden acceleration and high idle she had to use her brake and put the vehicle into neutral in order to de- accelerate. Also, the vehicle would veer to the left, which made the steering hard to correct. The tires were balanced and checked.

- Kimball, NE, USA

problem #2

Jan 272012

Corolla 4-cyl

  • 1,300 miles
The speed control was set to 60mph over a stretch of empty interstate. As soon as the vehicle encountered a slight elevation in the road, the engine revved to over 4,500 RPM and increased my speed to almost 70mph. This sudden acceleration was unexpected and not within normal speed control operating limits.

- Miami, FL, USA

problem #1

Oct 262012

Corolla 4-cyl

  • Automatic transmission
  • 1,150 miles
The contact owns a 2012 Toyota Corolla. The contact stated that while driving a low parking speed, she depressed the brake pedal and the vehicle accelerated independently, causing her to crash into a fence. The contact stated that the vehicle was not totaled and that there were no injuries. The vehicle was taken to the dealer for inspection where they stated that there was nothing wrong with the vehicle. The manufacturer was notified but provided no assistance. The failure mileage was 1,000. Updated 01/30/13 updated 1/31/2013...updated 02/11/15 updated 02/20/15

- Old Brigde , NJ, USA

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