really awful
Crashes / Fires:
9 / 0
Injuries / Deaths:
5 / 2
Average Mileage:
68,953 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.

2006 Toyota Highlander Hybrid engine problems

engine problem

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2006 Toyota Highlander Hybrid Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #7

Aug 162010

Highlander Hybrid

  • 40,384 miles


My wife was parked in front of our apartment building, idling with her foot on the brake, when our 2006 Toyota Highlander hybrid suddenly accelerated and crashed into a gate. Before the car crashed, she repeatedly applied the brake and even put the car in park. The car did not stop. After the impact, the engine continued to rev and accelerate before finally stopping. This had never happened before. The body has been repaired, but per Toyota, nothing mechanical or electronic has been touched. Last week Toyota sent a specialist out to inspect the car and download data. We were present at the time, and 5 dtc codes displayed. The descriptions displayed on the investigator's lap top mentioned vehicle speed sensors on right wheel and left wheel, the emps, body ECU switch circuit and "low or high power supply voltage". the car was test driven, and no errors or codes were reported. The car is now waiting to be taken to a dealer to be reviewed and fixed.

- Sherman Oaks, CA, USA

problem #6

Apr 042007

Highlander Hybrid

  • 19,866 miles
2006 Toyota Highlander hybrid crashed after sudden unbreakable acceleration with $13,500 damage. Toyota investigated and said driver hit gas instead of brake despite vehement denials by driver.

- Ventura, CA, USA

problem #5

Apr 182009

Highlander Hybrid

  • 18,000 miles
The contact owns a 2006 Toyota highlander hv. The contact stated as he was driving at 50 mph and set the vehicle speed control, the vehicle accelerated and the speed increased rapidly. He had to continue to apply his foot on and off of the accelerator pedal to stop the vehicle. After the vehicle slowed down he pull to the side of the road, turned the vehicle on and off, and drove the vehicle to the dealer. The dealer stated that he could not duplicated the failure, yet they reset the computer. The vehicle accelerated after the computer was reset while driving in rainy and inclement weather conditions. The vehicle would shut off immediately without any warning. The Toyota manufacturer was called and stated that the vehicle was designed to shut off in inclement weather to protect the electrical drive motor in the wheels. The manufacturer was not willing to repair the vehicle since there were no recalls associated with his VIN. The failure mileage was 18,000 and the current mileage was 60,000.

- Pisgah Forest, NC, USA

problem #4

Jan 152009

Highlander Hybrid

  • miles


2006 hybrid Toyota highlander - accelerator pedal seems to depress on its own when driver's foot is on it; feels like someone is stepping on your foot and pushing it down further. My wife and I have each experienced this independently about a dozen times over the past year. The car is controllable and the breaks work when this happens.

- Wynnewood, PA, USA

problem #3

Nov 072006

Highlander Hybrid

  • 2,000 miles
I purchased a Toyota hilander hybrid in March 2006. Since that year, I have been experiencing a problem with braking. When I brake (example at a traffic light or a stop sign) I notice that the car begins to slow down, but for a fraction of a second, the car appears to coast or continue to lunge forward and I get a feeling that the car is not under my control any more. It is a terrible feeling to experience when I am firmly and gradually depressing the brake, and I sense that the car is moving and that I would not be able to stop!!! it appears to happen more often in cold weather, and no, it is definitely not ice or wet road that is the cause. The road could be dry, and free of ice, and I experience it. Please read an msnbc article on prius braking problem and I can relate to the description in that article. I have got my car checked out at two dealers - one in mason, oh and the other in brookfield, wi. Both dealers say they cannot reproduce the problem. I have filed a complaint with Toyota in late 2006 or early 2007, but Toyota denies any problem with the hybrid hilander SUV braking system. Toyota and the dealers tell me that they have never ever heard of such a problem from any owner of a Toyota hybrid car. If you visit townhall-talk.edmunds.com/direct/view/.F0D8058 you will see that there are several hundreds of hybrid customers (Toyota and Lexus) who are complaining about this very problem. This problem occurs occasionally, but it is distinct and a terrible one to experience. Please direct Toyota to thoroughly investigate and resolve 2006 hilander hybrid braking problem.

- Brookfield, WI, USA

problem #2

May 012006

Highlander Hybrid

  • 10 miles
2006 Highlander hybrid has surge in speed during braking. Happens consistently when going from descend to ascend.

- Beachwood, OH, USA

problem #1

Jul 302009

Highlander Hybrid

  • 30,000 miles
Moving a Toyota highlander 2006 had finished backing up and was preparing to move forward into a parking spot and the car continued backward and hit a pedestrian and another car. All observers agree that the car accelerated after my foot was off the pedal and I had no chance to put the car in drive before it happened. I hit a pedestrian who was hospitalized and received a large gash in her leg which required many stitches and physical therapy rehabilitation and another auto which was totaled due to the damage.

- San Clemente, CA, USA

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