2009 Scion tC engine NHTSA complaints: Vehicle Speed Control

NHTSA — Vehicle Speed Control Problems

CarComplaints.com Seal Of


really awful
Crashes / Fires:
4 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
12,446 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.

2009 Scion tC engine problems

engine problem

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2009 Scion tC Owner Comments

problem #8

May 102010


  • miles


I purchased a 2009 Toyota Scion from the fairfield, ca dealership. I was on the freeway when my car accelerated up to a faster speed than I wanted I tried to correct it in the confusion and not understanding what was going on I lost control and crashed into another vehicle. There was $10,000 of damage to the car it was repaired but then I had another accident in the same car again sitting at a stop light I barley tapped the gas pedal my car jumped into a high speed smashing into the car in front of me after I hit I turned around to check on my child thinking a car had hit me from behind but it was not another car it was just mine but then it did it again smashing into the car again. It was crazy I had no idea what was going on my face was smashed up pretty bad 2 black eyes and fat lips extra. My car hit the car in front of me so hard it smashed into the car in front of it. Now gather I was already stopped sitting and waiting for the light to turn green what caused my car not once but twice to smash into the car in front of me. My car was totaled. I had the worst time with this car it seemed like I was driving with a dark cloud over me. Not only was the acceleration a problem but the trunk lid also broke off and my seat belts did not work properly. There also was a problem with the brakes sometimes if I was on a steep hill the brakes would skip and not catch almost like it would jump.

- Fairfield, CA, USA

problem #7

Oct 042012

tC 4-cyl

  • Automatic transmission
  • 35,000 miles
The contact owns a 2009 Toyota Scion Tc. The contact stated that as he was entering into a parking space, the vehicle abnormally accelerated. The contact then crashed into another vehicle as he shifted into park. There was no warning lights illuminated. There were extensive damages to the front end of the vehicle. The police were notified and a police report was filed. The manufacturer was notified who sent a representative to further access the failure but the representative was unable to duplicate the failure. The failure mileage was 35,000. Updated 01/15/13 updated 1/24/2013

- Boca Raton, FL, USA

problem #6

Jul 262012

tC 4-cyl

  • miles
2009 Toyota Scion. Consumer states unintended acceleration the consumer stated the sudden acceleration occurred as she placed her foot on the accelerator after being stopped at a red light. The vehicle took off at a high rate of speed. The foot break did not work and when she grabbed the emergency brake, the vehicle went into a spin. The left front wheel slammed into the curb and the vehicle came to a halt.

- Norman, OK, USA

problem #5

Jul 272012


  • 25,000 miles


The contact owns a 2009 Toyota Scion Tc. The contact stated that while stopped at a traffic light, the contact attempted to accelerate and the vehicle suddenly accelerated independently without warning. The contact engaged the brakes but failed to stop the vehicle. Then the contact applied the emergency brake which caused the vehicle to spin out of control. The vehicle came to a stop without crashing. The vehicle was taken to an independent mechanic for a diagnostic test. The manufacturer was made aware of the failure who decided to send an inspector to the independent mechanic to inspect the vehicle. The inspector was unable to diagnose the failure. The failure mileage was 25,000.

- Norman, OK, USA

problem #4

Jul 262009


  • 3,000 miles
The contact owns a 2009 Toyota Scion Tc. While driving at 25 mph and depressing the accelerator pedal, the vehicle began to independently decrease in speed. The contact removed his foot from the accelerator pedal and the vehicle accelerated at an abnormally rapid rate of speed. The contact was able to stop the acceleration by depressing the brake pedal. The vehicle was taken to the dealer but the dealer was unable to duplicate the failure. The failure occurred once more but he had not contacted the dealer or the manufacturer to report the failure. The failure mileage was 3,000 and the current mileage was 11,000.

- Harteeville, SC, USA

problem #3

May 182010


  • 13,000 miles
2009 Scion driving clear weather, dry pavement 40 mph on the entrance ramp to a divided highway, suddenly careened out of control crossing 2 lanes, hitting left guard rail, spinning 180 degrees and hitting right guard rail. Damage not yet assessed $10.0 estimated. Tried to down shift to slow car but burned clutch trying. Second sudden acceleration in this vehicle.

- Alpharetta, GA, USA

problem #2

Feb 052010


  • 12,000 miles
I have a 2009 Toyota Scion Tc which I am very afraid to drive but it is not on the recall list but I am having major problems with the brakes(ABS tracking system). I have had 3 very close calls as a result of my brakes locking up(going slow) and unable to stop, even after I take my foot off the brake they remain locked. One incident I almost went right into a busy 4 lane highway. It has happened on dry roads and wet roads are a lot worse, I have to start stopping a lot sooner than one should. I am very stressed when having to drive my vehicle anymore. Another issue which only happened once and was when I was driving slow it felt like my vehicle accelerated without applying any acceleration. I have a stick and I find myself unsure which gear to be in when the roads are wet because at times I feel like I am driving on glass and have to shift to higher gear as if there is too much power causing me to feel like I do not have full control of my car and that I am actually driving on glass and the roads may only be wet.

- Minersville, PA, USA

problem #1

Feb 152010


  • 11,564 miles
I have been experiencing the accelerating gas pedal problems since the day I drove it off the lot, but it would occur on the low speed 20-30mph and as soon as I push brakes the accelerating would stop. On Feb 15th it has happened on the highway. It accelerated from 65 to 73-75mph while I was pushing brake repeatedly! I took the car to local temecula Toyota dealer and I was turned back as they were not able to duplicate this issue and this car is not on the recall list, even thou it is build with identical accelerating and braking parts with corolla that is on the recall! please contact me who is experiencing this issue I will file a claim against Scion Toyota that will help to resolve this issue for all of us. For now here is a number to call to start a case regarding this issue (866)707-2466.

- Temecula, CA, USA

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