2006 Toyota Sienna acceleration problems

Filed Mar 10, 2024 · Acceleration, Steering · PA

My vehicle steering/control has frozen a few times in the past 18-24 mos. This happens for me in wet conditions at slow speeds while trying to turn, usually to the right. The car also seems to slow on its own and pull to the side at these times. This has also happened while reversing out of a parking spot. I do not recall seeing any lights engage but I am more focused on steering the car safely and exterior factors at these times so I haven't noticed the dashboard. It feels like the power steering fails, and I have no control. Thankfully, I have not been moving at high rates of speed, nor been in a position to go into the lane of on-coming traffic or had someone in a lane near me, and have been able to hold in position or manually turn as much as needed. Steering seems to return once the turn is complete. I have been fearful of hitting someone or being hit from behind each time. My mechanic has been unable to recreate the experience and was unable to suggest a direct answer. I see others have had similar experiences and the same lack of answers from even Toyota. Having come across this website and seeing responses here to this exact problem I have had, I am hoping for more information or a recall soon!

Filed Mar 27, 2023 · Acceleration, Brakes · VA

The vehicle stability control system randomly engages and activates the brakes without cause. This can happen on a gentle curve going under the speed limit. It is very scary and I am afraid it is going to cause an accident. Internet research shows many owners with this issue and no information on the cause or a fix

Filed May 9, 2022 · Acceleration, Driver assistance · MT

While driving vehicle on dry, non slippery roads with slight to moderate curves, vehicle illuminates Traction Loss light, sounds alarm buzzer, and at times applies brakes and dethrottles engine, even when no loss of traction has occurred. This happens while driving on straight roads with slight unevenness. Had to disconnect wheel speed sensor harness to disable ABS/VSC system. When this happens, the vehicle automatically applies brakes to certain wheels and dethrottles the engine, this can pull the vehicle to one side sharply and can cause an accident.

Filed Oct 31, 2020 · Acceleration, Driver assistance · 191,000 miles · MO

Traction control and ABS activated on dry roads acting like the vehicle thought it was going into a slide/skid. This could have caused a serious crash!

Filed Feb 21, 2020 · Acceleration, Driver assistance · 250,000 miles · NC

At speeds of anywhere between 30-60 MPH, traction control system engages when turning slightly left. Alarm comes on, brakes are automatically applied. Very dangerous

Filed Dec 18, 2019 · Acceleration, Brakes · 145,000 miles · CA

When driving at speeds of 38 MPH or more and turning the steering wheel/tires, the vsc warning alarm will go off. When this happens, the cars automatically brakes. This happens when there are no problems with the driving conditions. The severity of the braking and length of alarm vary. It is especially problematic on tight turns. It does not matter whether you are going uphill, downhill, or turning on a flat road. We do not know what is causing this unsafe issue. We have tried turning off the trac. It made no difference.

Filed Oct 1, 2019 · Acceleration · 112,297 miles · CA · crash · 3 injuries

Tl* the contact owned a 2006 toyota sienna. When the brake pedal was depressed, the vehicle independently accelerated towards an intersection. As a result, the contact crashed into two other vehicles. The contact's vehicle came to a stop when it crashed into a pole. The contact suffered injuries to the back, neck, shoulder, chest, knees, and hips. The passenger suffered injuries to the shoulder and stomach. Medical attention was received. Huntington beach police was at the scene and filed report number: [xxx]. The vehicle was towed. The manufacturer was contacted and provided case number: [xxx]. The contact also stated that the manufacturer's engineer would inspect the vehicle to determine the cause of the failure. The vehicle was destroyed. The approximate failure mileage was 112,297.*pm ('parts of this document have been redacted to protect personally identifiable information pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).')

Filed Sep 30, 2019 · Acceleration · 90,000 miles · WI

Tl* the contact owns a 2006 toyota sienna. While coasting with traffic, the vehicle's accelerator pedal suddenly traveled to the floorboard, causing the vehicle to accelerate at high speeds. The accelerator pedal remained depressed. The contact attempted to depress the brake pedal, but the vehicle did not stop. The contact was able to move the vehicle over to the side lane as it continued to accelerate. The contact engaged the emergency brake, which caused the vehicle to slow down slightly. The contact then moved the gear shift into the park position and the vehicle stopped violently. The vehicle was towed to a certified mechanic. The vehicle was taken to an unknown dealer, but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 90,000.*dt

Filed Nov 5, 2018 · Acceleration, Brakes · 120,000 miles · GA

Traction control has randomly engaged 4 times in the past week, at speeds as low 35 MPH and on the highway at 65 MPH. Pavement was dry and we were driving straight, not turning. Braking is applied causing temporary loss of speed and pulling steering to one side for about 1-2 seconds. Control returns and trac control light continues to blink. Does not result in an error code.

Filed Aug 3, 2018 · Acceleration, Brakes · 99,000 miles · CA

I was driving 65 MPH on the highway going straight on dry pavement and suddenly a buzzer sounded, the vsc light came on, and the steering wheel and brakes were taken over by the vsc system and the car started weaving out of control. I could not steer or break the car. The situation is unpredictable. It easily happened on curvy or bend road and has happened 3-4 times in this year. It is scary.