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Engine And Engine Cooling
11/10/2025
The contact's mother owns a 2004 Toyota Sienna. While the contact's mother was driving at an undisclosed speed, several unknown warning lights illuminated. The contact stated that the warning lights illuminated on and off for days and months. The vehicle was taken to an independent mechanic where DTC: P2241 was retrieved. The vehicle was not repaired. The contact was advised to take the vehicle to the dealer. The vehicle was taken to the dealer where the failure code was confirmed. The contact was informed that the oxygen sensors needed to be replaced. In addition, the contact was informed that a TSB for the ECM software update needed to be performed. The contact stated that the vehicle was not repaired because the ECM software update was performed, and the ECM software update damaged the ECM. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 150,132.
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Power Train
10/15/2025
Shifter not shifting into park even when in park causing it to roll even when you think it’s in park
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Structure
08/08/2017
The contact owns a 2004 Toyota Sienna. The contact stated that while the liftgate door was opened, the door had erroneously closed and failed to remain opened. The vehicle was taken to the local dealer who diagnosed that the rear hatch door struts were faulty and needed to be replaced. The vehicle was not repaired. The contact was informed that the VIN was included in NHTSA Campaign Number: 08V244000 (STRUCTURE); but parts were on back order. The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 150,000.
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Steering, service Brakes, forward Collision Avoidance
03/01/2025
The Traction Control System commonly malfunctions while making turns on curving road sections. I will lose power through turns as the TCS light blinks on my dashboard and makes a beeping sound. On some occasions the brakes will automatically engage in the tire that the car perceives as experiencing slippage. This problem is continuously worsening and commonly endangers me and my passengers, as the car engages brakes or cuts power to the engine at unexpected and in opportune times.
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Steering, vehicle Speed Control, service Brakes
03/02/2025
Vehicle often applies brakes on its own . At first it was only in turns . However now it does it when driving straight on the the freeway or just down the street at 45mph. I have fixed my alignment ,new tires, all of the front suspension and nothing prevents the car from trying to brake for me. it is a safety feature that is not safe at all. a car slamming on your brakes at any speed is dangerous in addition to that it seems to cut off your fuel , leaving you unable to accelerate until its done beeping which can take a long time. the vsc , chenk engine and trac off flash there is no crash to report I have been lucky so far
