Wiring Problems of Toyota Yaris

Mice ate most of my car insulation and wiring resulting in destruction of 2 car computers, two heater fan motors, abs brake system about $5k damage . . Vehicle is driven daily . . Only this new car with soy based insulation are affected . . Our 2 0kder trucks were not . . I can provide photos if necessary.

See all problems of the 2010 Toyota Yaris 🔎.

In approximately may 2015 I replaced the hub on the right rear wheel. After the item was replaced and abs sensor reattached I have had the issue of abs and emergency brake light on continually on the dash upon startup, they never go off!!! needless to say I have lost abs since that time. I have had the diagnostics checked and there were three abs relay sensor warning faults, front right, and both back wheels. Since then I have replaced all the wiring harnesses for the three wheels. The diagnostic shows no abs relay faults. The abs and emergency brake light still incessantly stay lit on the dash. I have also tried to reset the internal computer by removing the negative terminal on the battery. I am in the military and have read many issues and faults regarding this abs issue, and it would be very expensive for Toyota or a mechanic to try and fix this issue, that I have seen occurring on many Toyotas across the USA. That's why I have tried to resolve the issue on my own. Now I am pcs'ing to my next duty station, yet if I don't get the dashboard lights to turn off I may not be able to ship the car.

See all problems of the 2007 Toyota Yaris 🔎.

Tl- the contact owns a 2008 Toyota Yaris. The contact stated while driving various speed the vehicle will intermittenly stall with out out warning. Immediately following the failure the check engine light illuminated on the contact's dashboard. The vehicle was taken to the dealership for diagnostic test. The dealer stated the wiring harness would need to be replaced. The contact stated the manufacturer was made aware of the failure. The vehicle was not made aware of the failure. The failure mileage was 94,401. Az.

See all problems of the 2008 Toyota Yaris 🔎.

Periodically my abs brake light will come on during winter weather and then it will just go away when it is dry. On snow roads my brakes sometimes will not work. One day driving I drove through a red light because my brakes would not stop even though I was going around 30 and braked while in advance. Lucky, for me other drivers stopped. My mechanic confirmed that my abs wiring has to be replaced and the hub. This is a common issue for Yaris and Toyota admitted they know this is an issue but they do not have a recall. This could have easily cost my life or my 18 month old son's life.

While driving the car at approximately 10 mph the abs and brake lights came on. At the same time the abs felt like they engaged. After researching the problem online I found out that many users in the us and canada are having the same problem due to faulty abs wheel speed sensors on the wheel hub. Due to the salt on the roads during the winter months, salt can enter the sensor and corrode the terminals. This is due to a poor seal between the connector and the wiring harness. When salt water enters the terminals it causes the abs to act up. This is true for 2007 and 2008 models according to other Yaris users. It seems that the problem has been taken care of in 2009 models. But for owners of 2008 and 2007 models problem exists even after replacing the sensor and wiring harness with new ones. This is a major safety concern since the abs system can engage at any time possibly causing an accident and/or injury to the driver and passengers.

Vehicles emergency brake light and abs light continued to come on. Vehicle was taken to the Toyota dealer and we were told that the rear wiring harness and sensors had completed eroded and that until this problem was repaired the vehicle had no working abs system or traction stability control. We were advised that Toyota is aware of the problem but has still not done a recall. This to me is definitely a safety issued that should be addressed. The dealer did state that the reason the wiring harness had eroded was because the actual harness is open on the bottom allowing moisture to get into the harness area. The cost for this repair is over $750.

We drive a 2008 Yaris. Because we got it used and the previous driver drove so much, its 3 year/36,000 mile warranty no longer applied, but we got an extended power train warranty. This year, the engine wiring harness broke, and we found out that Toyota knew about the faulty harnesses. (the TSB on it mentions replacing it with an "improved" harness. ) while Toyota describes this as not being a safety issue, we feel otherwise, as the symptom is an immediate loss of power and inability to accelerate, which could be dangerous on the highway. Needless to say, since this part is not being recalled, since in a dbw car, this is not part of the powertrain, and hence, we are not under warranty, Toyota required us to pay $1000 to fix this.

My vehicle has intermittently exhibited a failure to accelerate once a day or once every other day for a couple of months. The check engine light would come on and the vehicle would not accelerate until the ignition is turned off and restarted. My mechanic told me the problem might be related to the throttle body which he replaced with no improvement in performance. He also told me that Toyota has issued a TSB related to the fault recorded in the engine computer. P0121 is one of the codes mentioned in the TSB which was also the code recoded in my engine computer, however the TSB does not mention the failure to accelerate. I took my vehicle to the local Toyota dealer for further diagnosis. They told me the engine wiring harness needed to be replaced as per the TSB and that the cost would not be covered by Toyota because the vehicle has over 58000 miles on it and it was no longer under warranty. I was shocked that Toyota would not cover this repair considering the potentially dangerous circumstance one could find themselves in when a vehicle cannot accelerate. To my dismay this repair cost me 1000 dollars and its hard to believe that a 2008 model vehicle would need to have the engine wiring harness replaced.

During the past several winters the brake and abs warning lights have come on when driving during wet snowy/slushy conditions. The condition would fix itself after the vehicle dried out. This started after 30k miles/2 years of ownership. This winter (2013) the warning lights lit up and stayed lit. Took it to the dealer and they said it requires a new wheel speed sensor and wiring harness. Research online has shown mulitple instances of this failure in 2007-2008 Yaris'. Toyota has issued a TSB concerning this matter. (TSB number: TSB-0120-08). This is a known failure that happens at one of the times that the abs system is needed the most. This is a safety issue and should be a manufacturer recall.