Toyota Prius owners have reported 423 power train related problems since 1996. Table 1 shows the 24 most common power train problems. The number one most common problem is related to the vehicle's power train (283 problems). The second most common problem is related to the vehicle's automatic transmission (61 problems). For details of each of the problem category, use the links in the table.
Entering the highway the car suddenly learched and stopped excelerating, creating an unsafe situation, and went into a slow mode. It limped along. Caused cars issue around having to slow merge and driving only 10-15 miles per hour. Read details...
The contact owns a 2006 Toyota Prius. The contact stated while she was sitting in the vehicle that was parked in the garage, the vehicle accelerated on its own and proceed to move forward while the emergency brake was on, and no warning light illuminated. Read details...
Prius will not stay in gear, keeps popping back into neutral. First happened when stationary --- press power button, "ready" on the dash, go to shift into drive or reverse and it pops back into neutral. This occurred when the vehicle was in motion on a city street. Read details...
Driving vehicle on a city street in drive gear and it slipped out of drive into neutral without warning. Tried to put it back in drive (as I was on the road) but every time I switched gears back to drive and released the gear shifter it would immediately pop back into neutral. Read details...
Second occurrence of this problem in three weeks. Driving downhill on a residential street at 25 mph, slowing to a stop without applying the accelerator. Suddenly lost engine power. Applied accelerator, no response. Continued to lose speed as I rolled silently downhill toward the intersection. Read details...