Tire Pressure Monitoring System Problems of Toyota Sienna - part 2

Our 2004 Toyota Sienna xle has a low tire pressure indicator that appears to not work. We have personally let all but 10 lbs of air out of one of the tires and the light still does not go on. Repeated attempts (3 as of this date) to have the dealer fix the problem have resulted in "opinion" from the dealership and no solution. We have asked for the sensor to be replaced, and the computer to be replaced to no avail. We are unsure that our vehicle is providing the level of safety that we assumed when we bought it. The latest statement from the dealer is that the car ". . . Needs to be driven at least 50 miles in the low pressure condition for it to work properly". This does not make sense to us. Are we expected to endanger the safety, and lives, of our children, by driving around for unreasonable distances in an unsafe condition for the vehicle's "safety" features to work?.

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2004 Toyota Sienna equipped with run flat tires. Had tires put on by Toyota on Friday oct. 28. Sunday oct. 30 while driving on highway had a tire blowout causing $2226. 00 damage to car. Pressure warning system did not work or was not set by Toyota when tires were mounted on Friday. If the pressure warning had been working we would have known there was a problem with the tire and had it fixed. Not knowing there was a problem with the tire led to the tire blowing out. Had van towed back to Toyota and explained what had happened and they basically told us we had run over something and that we were going to pay for damage. Toyota was unwilling to acknowledge any responsibility in this matter.

Have had three flat tires that had to be replaced on my 2002 Sienna awd van with 11000 miles on it. The tires are the oem brigestone run-flat type.

I have a 2005 Toyota Sienna awd that is equipped with bridgestone run-flat tires. I was given no spare tire with my vehicle. I was traveling with my family on October 14 2005 on interstate 5 in CA. At 4 am when my tire went flat at 70 mph. The low tire pressure warning system failed to notify my wife who was driving that the tire had lost air pressure. She continued to drive until the tire started to disintegrate and she felt the vehicle start to pull to the right. There we were stuck in the middle of nowhere with a destroyed tire and no spare. I was forced to have my van towed to bakersfield CA. And have the tire replaced with a standard tire since the run-flats are impossible to find. Toyota refuses to compensate me in any way for this irresponsible design they have on their awd Siennas. I don't want these unsafe tires on my van and I want a spare. I paid $40,000 for this van and should have been given a spare tire. I was led to believe that these garbage tires would take the place of a spare which they obviously do not!.

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Tire pressure monitor not functioning properly- multiple times concerns of blowout. Premature/uneven tire wear on run flat tires. Self monitoring of air pressure and replacement of tires.

2005 Toyota Sienna limited minivan. Came with runflat tires (no option) and tire pressure measuring system. Problem is that even with complete flat (0 psi) the system is not informing the driver. Since the tires are run flat they look no different and my wife is driving around at highway speeds with a dangerous tire and no way to know it. Toyotas response is to check tire pressure regularly. Well that's fine, but still if you get a flat and drive all the way home on the interstate at 65+ mph it's not within the ratings on the tire which says specifically not to run the runflat tires over 55mph. On top of that we have one tire almost worn out already due to running low on pressure. Multiple complaints like this are noted on internet web sites - Toyota needs to issue a recall and fix this problem as many of us with young children bought this vehicle in large part for safety reasons and it is not safe! the tire pressure system is defective, and does not work at all. Toyota is unwilling to fix it and so help me if anything ever happens I'll see them in court.

Have a toyata xle awd van with run flats and tire pressure monitoring system. The tire pressure monitoring does not work. Front passenger tire has a leak which could not be found 2 weeks ago. The system was reset, all tires pressured up by the dealer 2 weeks ago. There is a 20 psi difference between the left and right wheels and the system does not light up in the dash. 3 week ago, we went on a 2000 mile trip, before which I noticed the problem of one tire being low in tire pressure and the system not working. The dealer has no fix on the problem and said Toyota does not have any TSB's on it. Now duse to this defective system, they have found a leak which may be close to the sidewall on the tire and cannot be repaired and it being an all wheel drive vehicle, I am being advised to put 4 new runflats at over $1200 with less than 16000 miles on this vehicle.

Consumer requesting reimbursement for 2005 Toyota Sienna for low tire pressure and rear door shock failure. The rear wiper didn't work, the blower motor and damper had to be replaced, the rear heat did not work. The low pressure light did not warn the consumer that the tire pressure had dropped.

Aluminum alloy rims apparently expand and contract with temperature changes, causing leaks in tires. Sometimes pressure drops 2-3 lbs. But sometimes it drops to dangerous levels (15 lbs. Or even less). Sometimes the tire pressure monitor alerts and some times it does not, even at dangerous low levels.

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"clunking" noise noted on steering the 2004 Toyota Sienna just a few months after it was bought. It had gone through 3 recalls already when first the fuel tank, then the door sills, then the middle row seatbelt bezel, and finally recently, the rear hatch struts were all replaced. Vehicle was test driven, but no mention of "clunking" documented. However, all this time, the clunking had become more noticeable, and vehicle had gone through 2 alignments already, with only about 42,000 miles on it. Last serviced for alignment, dealer did note clunking and recommended replacement of intermediate steering shaft. It is now becoming more difficult to steer the vehicle, especially at low speeds, and "k-turns" now require more maneuvers, and the steering radius has increased potentially causing collisions with objects or pedestrians if compensatory action is not initiated. (steering output has sometimes been unpredictable). Second component is lack of tpms sensors when tires were changed at a facility, and I had the facility document the lack of sensors.

Hild safety locks on rear sliding doors are bypassed and rendered useless by rear power door buttons. With the child safety locks engaged the sliding doors can not be opened manually from the inside. However the rear power door buttons located on the rear doors, on the front console, and on the remote all function normally. There is a separate button on the front console that deactivates the power door function, but it deactivates it from all 3 points (buttons on the rear doors, on the front console, and on the remote) rendering the expensive power door feature useless. To comply with the child safety lock requirement, when the child safety lock is engaged it should disable manual opening of the door by backseat occupants and should disable the power door buttons located on the back doors within easy reach of backseat occupants. Manufacturer was contacted, but has failed to followup or offer any solution (Toyota case # 2003 1204 0595). Power doors close too hard and pose serious injury risk to children. Power doors close hard enough to easily hurt an adult. My two year old son was injured when he activated the power door button located in the back seat and managed to close the door on his arm. Multiple dealers have informed me that the power doors are not adjustable and therefore cannot be changed. Manufacturer was contacted, but has failed to followup or offer any solution (Toyota case # 2003 1204 0595). Tire pressue monitoring system malfunctions. It fails to warn of low pressure in tires (tested to 15 lbs below appropriate tire pressure on each tire individually and then on all 4 tires simultaneously). However, the warning light does come on when descending from high altitudes in spite of all tires being inflated properly. Multiple dealers have been unable to understand and fix the problem. Manufacturer was contacted (Toyota case #2004 0109 0681).

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