Automatic Stability Control (asc) Problems of Toyota Prius

The traction control on my 2005 Prius is dangerous. . Read more...

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The contact owns a 2004 Toyota Prius. The contact stated that the vehicle has no traction while driving uphill at any speed. The vehicle will not move or go forward. The vehicle has not been inspected. The current mileage is 65,300 and failure mileage was 30,000. Updated 04/16/08. The consumer stated when the traction control detects no traction on any drive wheel, the vehicle refuses to give power to the wheels. The vehicle freezes.

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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.

Consumer had 2 episodes of engine stalling. The 1st time consumer's vehicle was passing another vehicle when another vehicle appeared in the lane and consumer accelerated quickly and changed lane. The warning light came on along with a beeping noise, and suddenly lost power. Was running only on electric power until was able to make it to the side of the road. The engine did not restart until turned off the whole system and then it restarted it. Continued to have warning lights for several hours. Called Toyota hot line, and was informed it was safe to drive. The following Monday took vehicle to dealer, who placed it on a computer and noted it was normal. They thought it might have been the vehicle stability control because that light was illuminated, and earlier when that happened driver swerved into a lane. The 2nd episode occurred as accelerating to get on a freeway ramp and had slowed to enter traffic, another driver allowed consumer's vehicle to enter and driver accelerated gain and the engine cut off. Was able to drive on battery power about a mile going 40 mph to the next exit. Pulled off, and again turned system off, and again the engine restarted. This time the vehicle,s stability light did not illuminate. The display screen had a bar that said, problem. When car was taken to dealer no lights illuminated.