Brake Sensor Problems of Toyota 4Runner

Tl the contact owns a 2007 Toyota 4runner. After starting the vehicle, a high pitched audible alarm sounded and the abs, traction control, and emergency brake sensors remained illuminated. Also, when depressing the brake pedal to stop the vehicle, the brakes malfunctioned and the pedal traveled to the floorboard. The vehicle was towed to jim hudson Toyota (970 columbiana dr, irmo,SC) , but the cause of the failure could not be determined. The manufacturer was not contacted. The failure mileage was 111,000.

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The contact owns a 2003 Toyota 4runner. The contact stated that the vehicle stability control system and the traction control system were not functioning. The vehicle was taken to an independent repair shop and the yaw sensor was re-calibrated. The contact was also informed that the failure could have led to a brake failure in which the brakes would seize. The failure recurred approximately three days later. The manufacturer was not made aware of the failure. The failure mileage was 133,500.

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On approximately February 28, 2012, the abs/trac control/vsc lights came on and remained lit on my 2003 Toyota 4runner. I called the dealership and they said to bring it in right away. They diagnosed the car and came up with "no sensor reading?. It cost me $150 for the diagnostic test. I picked up the car and a few weeks later I brought it back for the same problem. The computer then indicated that there was a faulty O2 sensor which they replaced my cost was over $650. The next week the lights came on again. The dealership kept the car for a few days but later reported that they could not duplicate the problem. They told me that I should wait until it got worse and bring it back. I suffered with this problem for months. I say suffered because when I was in park and these lights came on, I could not shift out of park. The lights would eventually go away and allow me to drive. On 8/24 the problem became worse. I could not shift my car out of park for more than 15 minutes on over 10 different occasions. The warning lights remained lit almost constantly over 3 days. When I called to return the car to the dealership on 8/27, the service person said that she thought there was a recall associated with that issue, but then told me that there was not. Later that day, they called and said that they again could not replicate the problem. After a quick internet search, it seems that many people have had the same experience that I have had on various Toyota vehicles. I feel an investigation is appropriate in this instance.

The brakes of the vehicle slip. When you are on the freeway and you need to stop for accidents and you brake the vehicle slips and almost wants to role over. When the vehicle comes to complete stop after a few seconds it moves forward almost 6 inches. There could be several reasons why this could happen with abs systems, could be hydraulics, could be the sensors, it could be pulsation. Diagnosis for this requires precision not a simple test drive. The dealership says its normal and that's how limited slip differential works but it slips often and on even roads. The dealership wants me to duplicate the problem for them and I won't want to get on the highway at freeway speeds to show them how the brakes slip. Its a safety concern. I called the manufacturer since I am still under warranty and they say they wont do anything. Bottom line the brakes are not safe and I am worried about a roll over or a serious accident.

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The contact owns a 2003 Toyota 4runner. The contact stated that he was involved in a front end crash while driving approximately 50 mph. There were no injuries. A police report was not filed. The vehicle began pulling to the left when the left tire locked or to the right when the right tire locked. Both tires never locked at the same time. The anti-skid light and traction control warning lights illuminated on the dashboard. The failure occurred 5 times in a 4 mile trip. The front end damage was repaired at a body shop. He took the vehicle to the dealer who stated that the yaw rate sensor (in the brake system) needed to be replaced. The contact called the manufacturer but was offered no assistance. The vehicle had not been repaired at the time of the complaint. The current mileage was approximately 124,000. The failure mileage was approximately 122,000.

While driving, noticed that the vehicle decelerated quickly when letting off the accelerator. Returned home and after exiting the vehicle found flames in the area of the left, front wheel. The brake rotors on both left and right front were glowing red hot. Root cause was found to be a yaw rate sensor failure caused a computer to apply the brakes and leave them applied while driving.

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Consumer complained that tracking sensor was defective. Vehicle stalled, and sometimes when pressing the accelerator vehicle got no power and stopped in mid stream. Consumer took vehicle to dealer, and contacted manufacturer. Since problem occurred intermittently dealer claimed there was nothing they could do unless it happened when they were evaluating it.