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2005 Toyota Prius driver assistance complaints

Page 2 of 2: complaints 11 to 38 of 38, newest first, as owners wrote them.

See the summary of 2005 Toyota Prius driver assistance problems: which part fails, at what mileage and related recalls.

Filed May 12, 2010 · Brakes, Driver assistance · 88,000 miles · WI

1. While driving over rr tracks, a lack of brake response (or feel) - happened once in 2008. Mentioned to dealer, but I did not know if this was a typical problem. 2. While driving downhill on a slippery road, the vehicle would not stop. There was no feel of braking. The vehicle finally stopped when it hit a curb. Happened jan/2010. Mentioned to dealer, but I did not know if this was a typical problem. 3. While driving uphill on slippery roads, the vehicle would slow down to a stop, or not go at a s&g light. This happened repeatedly in 2010. Mentioned to dealer, and was told this was a function of the traction control that prevented tires from spinning.

Filed May 9, 2010 · Brakes, Driver assistance · 95,000 miles · NJ

Braking momentarily fails after hitting a bump, pothole, or other road irregularity. This article describes the issue perfectly. Http://www.thedetroitbureau.com/2009/12/the federal safety agency-tracking-braking-loss-on-prius-hybrids/#more-17003 dealers since day of purchase have said there was "nothing wrong".

Filed May 8, 2010 · Acceleration, Driver assistance · 70,522 miles · TX

I have this problem ever since I bought the car in 2004. The skid light comes on everytime I hit an uneven road surface feeling like I'm driving in the snow and icy road. On the way home while making a turn, the car hesitated when I stepped on the gas and the warning lights for brake, vsc, trac, and ABS came on. I brought it to the dealership and the service representative told me it was the wheel sensor, that my rear right tire is not being sensed, but the rest were. It did not correct the problem of the warning lights in the dashboard; and with further diagnosis, they found out it was the skid control computer assembly. I felt robbed by spending money on the wheel sensor that was replaced when all the while it was the skid control ECM was the problem.

Filed Apr 19, 2010 · Brakes, Driver assistance · 90,000 miles · OR

48 MPH traveling north on or 217; without cause and simultaneously brake warning light on ABS warning light on vsc warning light on audible alarm steady tone then try to stop: brake pedal up high, brake pedal unresponsive and hard to press, immediately pulled of on allen exit; brakes still unresponsive, pressed maximum force on brake pedal brakes locked up the wheels skidding and burning rubber.

Filed Apr 13, 2010 · Acceleration, Brakes · 89,000 miles · GA

2005 toyota prius--experiences braking and handling failures when braking on uneven or wet surfaces. When we are braking and hit a pothole, gravel, railroad tracks or wet surfaces, the car feels as if we are losing control of it, and braking seems to temporarily stop. The "skid danger" light comes on, even at very low speeds. This happens nearly every time we brake under these conditions. Also, at idle (ie. Stoplights), the car will frequently lurch forward slightly, even with the brake pedal fully depressed, especially when engine transfers from electric to gas. We were told early in our ownership that this is normal "dieseling". These have been on-going problems, since we purchased the car in 2005 (new), that we thought we were "imagining" until hearing all of the reports of similar problems.toyota claims that the prius braking issues only affect the 2010 prius, but we see it firsthand on an on-going basis.

Filed Mar 25, 2010 · Acceleration, Driver assistance · PA

Traction control light flashes and car accelerates when encountering sudden bumps in the road. This occurs when hitting bumps while the brakes are being applied. I have informed toyota about this and they never replied. The affected car is a 2005 toyota prius with 65,000 miles. Purchased cpo in august of 2009 from a toyota dealer. This issue is a repeat occurance. I have encountered this issue in excess of 20 times since I've assumed this car and noticed prior to the massive recall noise in the media. Thank you for your time.

Filed Mar 4, 2010 · Acceleration, Brakes · 81,000 miles · CA

Information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6) 2005 toyota prius [xxx] when braking on uneven/bumpy road (even freeway lane divider bumps), skid light come on and braking force is reduced. Has happened at both low and high speeds. No issue on smooth roads. Has occured several times, over several years, have never had the brakes serviced. Last occured 3/3/2010.

Filed Mar 2, 2010 · Driver assistance, Lights · CA

1 - my right headlight keeps going on and off while I am driving. I received a ticket that I now have to pay for. The los angeles times mentioned that other cars have this problem. It should be easy for the manufacturer to fix at their expense. 2 - since I purchased my 2005 prius in 2004, when I go over bumps, sometimes the light for the stability comes on and the brakes do not work for a second or two. I had asked when the car was serviced and was told there was nothing wrong. I guess we know better now. 3 - sometimes the two front tires lose traction and make a noise while spinning, before the car moves. 4 - if my car was under the "carpet" recall, why is it that it is not listed under the recall for the gas pedal? 5 - two of my locks are not working. One is the front passenger an one in the back.

Filed Feb 25, 2010 · Brakes, Driver assistance · 10,000 miles · WI

Abs braking system on my 2005 toyota prius will lock the drive wheels leaving you stalled in the middle of the road/turn. The accelerator can be all the way to the floor - engine racing - I have had to sit for 30-45 seconds before system released the drive wheels.

Filed Feb 23, 2010 · Brakes, Driver assistance · FL

2005 prius brakes fail temporary when traveling over bumpy surface. It occurs weekly. No consequences yet. Nothing done to correct the problem.

Filed Feb 16, 2010 · Brakes, Driver assistance · 67,000 miles · GA

I have a 2005 toyota prius and my brakes slip whenever a front tire drops onto an uneven surface. It seems to be the exact problem described as happening to the 2010 models. I have had it happen several times as I live on a gravel road and when I turn onto my road it is an uneven surface. It has happened numerous times, to the point that I anticipate the occurrence when on an uneven surface. I think that I could recreate the occurrence if needed. (the date listed below is just one of several) also, the light showing that vehicle stabilization is on lights up whenever this happens.

Filed Feb 11, 2010 · Brakes, Driver assistance · WI

My wife and I recently bought a used 2005 prius from wilde toyota in west allis, wi. In the last few months we have experienced braking issues with the vehicle on icy roads, slick roads, and snow covered roads. We have had three brake failures. The first was when I was driving on a side-street. I was going slow, less then 15 miles per hour, and stepped on the brakes to make a turn. The brakes were unresponsive for aprox. 2 seconds causing me to roll before the brakes engage. The second occured when my wife was driving at a low speed, under 40 miles an hour, on a main road. As she approached the stoplight she stepped on the brakes, which also failed to engage. Due to her higher speed she rolled over 10 feet and came close to hitting the car stopped in front of her before the brakes finally engaged. The final occurance also occured when my wife was driving, this time at a higher speed between 40 and 50 miles per hour, when pressing on the brakes on an overpass the brakes failed to engage and the car physically seemed to shake a bit. After being unable to stop for several feet the brakes finally engaged. We believe these occurances are due to an error with our ABS system. In each occurance the "slippery road" warning has appeared. We took it to wilde tayota this morning. After software testing as well as road testing on their snow covered lot they failed to replicate the problem. No system errors were present and they were unable to take any further action. We are, however, still convinced that a problem exists. If it occurs again we will once again take it to the dealership and try to replicate the problem.

Filed Feb 10, 2010 · Brakes, Driver assistance · 1,000 miles · PA

I own a 2005 prius, bought new. I now have 130,000 miles on it. It has been serviced and maintained at scheduled intervals, mostly by a toyota dealer. #1: I have complained to the dealer since the first winter that I bought the car that the "traction control system" is dangerous in bad weather conditions. Whenever the road is slippery, if the car senses wheelspin, it cuts power to the engine. This is scary if you're pulling out into traffic on a rainy day, as the car will sometimes just quit running for a second, leaving you vulnerable to oncoming traffic. Snow is far worse. I live on a hilly road. If it's snowy the car will slow down, and simply stop trying to move forward on the first steep slope I come to. It doesn't matter how hard I mash on the accelerator, or if I back off and try again, the car will not attempt to move. Once the car stops moving forward it begins to slide backwards, and control is totally lost. I was nearly killed the first time this happened (in about one inch of snow) as my car eventually slipped sideways across the oncoming traffic lane. An SUV came down the hill and nearly broadsided me before I was able to get my car turned back down the hill. (my car was equipped with aggressive snow tires at the time.) ever since then, if I'm coming home from work in the snow, I leave my car in the shopping center at the bottom of the hill and call my husband, who picks me up with his ford bronco. # 2: anti-lock braking. The 2010 prius's aren't the only ones with problems; mine does the same thing. If I'm braking on a bumpy stretch of road or over a manhole cover in the rain, the car will cut power to the brakes, causing the car to feel like it's surging forward. Again this problem is much worse in the snow. Going downhill on a snowy, slippery hill the anti-lock brakes repeatedly cut braking power, which actually causes the car to accelerate to unsafe speeds. My dealer tells me that this is how the car works, and nothing can be dome to correct it.

Filed Feb 9, 2010 · Brakes, Driver assistance · MA

Several times over past 5 years my 2005 toyota prius ABS system had released the brakes for uncomfortable amount of time (0.5-1.0 seconds) when coming to a stop over slightly bumpy road. If I didn't keep good distance I could have crashed into a vehicle in front of me.

Filed Feb 9, 2010 · Brakes, Driver assistance · 100 miles · PA

Braking on 2005 toyota prius. When slowing to a stop and you hit a bumpy surface or manhole cover the antilock brakes go off and the brakes release for approximately 1-2 seconds and you feel as if you are skidding on ice.

Filed Feb 7, 2010 · Driver assistance · 105,000 miles · CA

2005 prius loss of control during tire slippage (traction control system activation.: when the vehicle detects a traction control problem while driving (going over railroad tracks, rain or wet conditions, loose gravel, etc.) all power is cut to the wheels leaving the car in an uncontrolled skidding condition. There is no anti-lock braking to the wheels (pulsed on-off-on) to keep control. Pulling into traffic or stopping on wet roads has almost LED to me being hit or hitting another car or pedestrian. Prius owners of the second generation have well documented being unable to go up driveways and many others have reported accidents.

Filed Feb 5, 2010 · Brakes, Driver assistance · 100 miles · NJ

This is an ongoing problem with a 2005 prius. If you hit a bump or pothole while braking from a normal speed, the car will briefly accelerate on its own. This causes additional braking pressure to be needed and precise steering. Many prius owners since 2004 have indicated this problem.

Filed Feb 5, 2010 · Brakes, Driver assistance · 30,000 miles · CA

When approaching a light, I changed lanes into the left turn lane, applied the brake to slow down, let up on the brake to go over a depressed area where a pipe was being replaced and the road repaired. I then applied the brakes firmly to stop the vehicle. Unfortunately, nothing happened. The traction control light went on when I went over the bump and it took about 2 seconds of heading towards the back of a truck for the breaks to engage at all. When they finally engaged, the car stopped very quickly (as I would expect) and I was almost rear ended by the person behind me. I have had the brakes not engage on one other incident that also involved switching lanes and a bump. Traction control and ABS on this prius need to be replaced with something that will not kill. I was very disappointed that the "braking problem" was "limited" to 2010 priuses. It is not. This issue has clearly occurred twice for me in the past 5 years of moderate driving (about 10k miles per year). To address the issue, toyota told me that I was making it up, it never happened, I must have not pressed the brake pedal. I never released my foot from the pedal and the car stopped just fine after a significant delay. They did not replace any parts or make any changes to the vehicle.

Filed Feb 4, 2010 · Brakes, Driver assistance · 5 miles · CO

My toyota prius 2005 has the same braking issue as described in the media today for the 2010 model. In addition, the skid control causes a sudden power loss during acceleration in similar situations to the problems described with braking failures in the 2010 model (potholes, even small bumps in the road, rapid acceleration around curves, in addition to when there is ice on the road) that reportedly has been fixed. Although the complete power loss lasts less than a second recovery of power is slow enough to have stranded me in front of oncoming traffic waiting for acceleration in a number situations where there was no risk associated with loss of traction. I contacted toyota several years ago and tried filed a complaint (I was really persistent), but they refused to recognize this as a design flaw saying only that the vehicle was functioning as designed. When I pointed out that the vehicle, as designed, was dangerous, they only reiterated that it was functioning properly and refused to take further action. It felt to me that they were concerned that admitting the problem could avalanche into a problem similar to what they have now. Please note that this is a recurring and persistent issue that has occurred numerous times since I have owned the car (four plus years).

Filed Feb 4, 2010 · Brakes, Driver assistance · 500 miles · CA

The prius braking problem is not limited to 2010 models. I have a 2005 prius and have noticed that after applying the brakes, if the car moves over an uneven or slick surface, the brakes seem to disengage for a moment. An example is applying the brakes while traveling over a crosswalk stripe that has been moistened by fog or rain. The car seems to lurch forward as the brakes seem to disengage and the slip indicator light comes on. Then the brakes come back on. This can be somewhat disconcerting and could be hazardous if there were an obstacle or pedestrian immediately ahead.

Filed Feb 4, 2010 · Brakes, Driver assistance · 85,200 miles · NY

I bought a new toyota prius in 2005. When the vehicle rides over uneven pavement the stability control makes the car quickly lurch forward. This has happened dozens of times over the past five years. Recently, I have had a problem with my brakes in icy conditions. I was cruising at about 15 MPH to a stop sign, not on snow, it was just below freezing that day, when I applied the foot brake I felt no resistance in the pedal. I could feel the ABS system disengage for about 3 seconds. I could not stop the car using the brakes so I rolled to a stop. This happened again a few minutes later.

Filed Feb 4, 2010 · Brakes, Driver assistance · 1,000 miles · FL

I read lots of news reports yesterday that the 2010 prius has a braking issue when run over speed bumps. My 2005 prius has a similar behavior which semi-known cause which might explain this, while being slightly dangerous in another way. When one drives a 2005 prius too fast over a speed bump, or through another situation which causes the car to think one of its wheels is slipping or spinning at a different rate than the others, the car temporarily (as I believe is in the instruction manual) flashes a briefly appearing indicator light on the front panel indicating it is slipping, and temporarily cuts back on engine power. Avoiding this requires knowing the driving behavior of the prius, and I wonder if this is the behavior certain 2010 prius owners may be noting. {if one is looking at the road and scared by the sudden drop in engine power, one may never look down at the dash to see the indicator flash for 1-2 seconds either.} normally this is might seem like reasonable, but this becomes potentially extremely hazardous should one try to make a sharp right turn onto a higher-speed main road (40 MPH+) from a dead stop on a side road with a high rate of acceleration to attempt merge into high-volume, fast-moving traffic. In such cases (especially if water is present, but even if the road is dry), I have had the anti-skid feature kick in and cut back on engine power for a half-second or so, which risks stalling the car temporarily in front of an oncoming vehicle. As a result, I try not to do any maneuvers like this, even though other cars often can "burn rubber" a bit and do this. Nothing has been done to attempt to correct the issue, as it is presumed to be normal behavior for the car, and I never had a car with anti-skid abilities before. Seeing this was common for me at first, but is now somewhat rare (less than once/month) due to changing my driving habits. (my2005 prius lacks vehicle stability control; but has the standard anti-skid safety feature.)

Filed Feb 3, 2010 · Brakes, Driver assistance · 50 miles · MA

Applying brakes when going over slight road disturbances causes complete loss of braking temporarily, followed by a brief surge (acceleration). No other vehicle I've owned has had this problem. Additionally slight road disturbances (mild bumps) cause traction control to turn on inappropriately. No other vehicle I've owned has had this problem. The dealer (specifically the sales person) was initially contacted in 2005 about these issues and it was reported back to me that this was normal. Now I am finding out that many other owners are complaining about this problem, some of them in brand new 2010 vehicles. The initial incident date is aug 2005, but the problem continues to this day.

Filed Feb 3, 2010 · Driver assistance · 119,000 miles · NY

2005 toyota prius loss of control over vehicle after skidding over ice or snow, traveling on local road. The car went over snow that had been shoveled to that area, or fallen from a truck. The car immediately turn sharply to the left and then right, repeating this weird action about 4 times, gathering more speed with each movement. Finally, I applied the brake with force and narrowly missed a tree by about 6 inches, and a parked van. I landed on top of a heap of soft snow, that must have been plowed into that spot, which kept the car from moving because the wheels had nothing to grip . Up to now the vehicle had performed well, with the exception of the small battery that failed when the vehicle was only a few months. I had to pay out pocket for the replacement. The vehicle now has 119,000 miles. And now I will go shopping for another brand. I am a fleet administrator, I know this problem is very serious.

Filed Feb 2, 2010 · Brakes, Driver assistance · NY

Abs & stability control lights stay on. Dealer says that systems are faulty. Not a warranty repair!!??!!! N.b.: it would help consumers if your complaint-search function would allow simultaneous searches for model of multiple years; and, for keywords so that results would appear regardless of whether complainant has chosen a different--or, even, an incorrect--category of equipment.

Filed Feb 2, 2010 · Brakes, Driver assistance · NY

'05 toyota prius. Chronic failure of antilock brakes and of vehicle stability control. Toyota dealers repair shop claims that this is to be fixed at my expense. Seems to me that important safety defects should be repaired for free. How many like-complaints have you rec'd.?

Filed Sep 17, 2007 · Driver assistance · 1,000 miles · CA

The traction control on my 2005 prius is dangerous. This is a well-documented problem (www.priuschat.com) . Toyota will not fix the problem. The problem is that when the car hits even a small patch of water and the tires slip, the engine shuts down for way too long. So, when accelerating rapidly from a stop, for example, if the tires happen to spin, the car just coasts for way too long. This is especially dangerous when accelerating rapidly onto a freeway from a stop, which I have to do frequently. My entrance onto the 101 in hollywood requires this type of acceleration, and I dread it every time I do it. I own a 2005 prius. Do a search on www.priuschat.com using the term "traction control" to see many other similar complaints. This is the first complaint I have ever filed, and I really hope something can be done about it.

Filed Apr 5, 2005 · Driver assistance · 2,400 miles · TX

Prius had extemely poor stability at highway speeds with 25 MPH gusty crosswind. Directional stability was *extremely* poor - wind gust would shift direction of the car 10-15 degrees. Little road feedback in steering wheel, required great attention from dirver to control car @ 60mph. Less capable driver (I.e. Older) probably would end up in a wreck.

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