2001 Toyota Prius Other or unknown Problems
- Complaints
- 6about this part
- Share
- 4%of 165 total for the year
- Median mileage
- 49,506miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the other or unknown of the 2001 Toyota Prius, 4% of the 165 complaints for this model year. Where a mileage was given, the median is 49,506 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“1. I was driving at sustained speeds of 55 to 65 MPH on an us route 101 for approximately 40 minutes in my 2001 Toyota Prius. 2. The internal combustion engine suddenly stopped operating, leaving only the electric motor operating. This caused a sudden loss of power and deceleration. 3. The accelerator pedal assembly had to be replaced. The old part is not available.”
NHTSA complaint #10129860, filed 2005-07, 48,785 miles“Experience: driving a 2001 Toyota Prius between 60 and 65 MPH on I-494 in eagan minnesota. The sensor on the vehicle's accelerator pedal assembly failed I.e. The ability to get gas to the engine stopped. The car was towed to an authorized repair dealer and the part, which failed, was replaced. My complaint has two parts: (1) Toyota does not recognize a critical part like the sensor on the accelerator pedal assembly as a part of major significance. I believe it is major safety issue and must be corrected by Toyota. …”
NHTSA complaint #10165986, filed 2006-08, 50,226 miles“On june 6, 2006 I took our 2001 Toyota Prius to a local Toyota dealer because it had been losing power while driving. The Prius mechanic told me that it was normal and that there was nothing wrong. I responded that I knew that something was wrong with the vehicle. On june 15, 2006 on the way into work, the car completely lost power while driving on the interstate. Fortunately, we were able to pull over at a relatively safe spot. Had it stalled in heavier traffic or in a different lane, we could have died there. The screen showed main battery failure, and the car wouldn't move. …”
NHTSA complaint #10160423, filed 2006-06, 64,000 miles“Consumer states he can not see any of the instruments on the panel in the daylight from the cruise contol light, to the directional signal, as well as not being able to hear the directional signals, and the speedometer reading can't be read as well, consumer can't not see the pre set reading for the radio unless it is night time, also the gas level bar no longer lights up to warn the consumer that the fuel is low.”
NHTSA complaint #567927, filed 2002-10“2001 Toyota Prius stalled 3 different times at highway speeds over 12 month time. Car would not restart and had to be towed to local Toyota dealerships (I-10 Toyota and toyata of the desert)”
NHTSA complaint #10124172, filed 2005-06Related service bulletins
- 10022143Apr 26, 2007Techstream ecu flash reprogramming procedure.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 19% |
| 2024 | 9 | 33% |
| 2023 | 3 | 14% |
| 2022 | 5 | 21% |
| 2021 | 1 | 17% |
| 2020 | 5 | 36% |
| 2019 | 8 | 27% |
| 2018 | 6 | 16% |
| 2017 | 11 | 12% |
| 2016 | 31 | 20% |
| 2015 | 15 | 9% |
| 2014 | 27 | 13% |
| 2013 | 51 | 12% |
| 2012 | 33 | 8% |
| 2011 | 30 | 6% |
| 2010 | 148 | 5% |
| 2009 | 36 | 7% |
| 2008 | 92 | 6% |
| 2007 | 105 | 5% |
| 2006 | 44 | 3% |
| 2005 | 56 | 5% |
| 2004 | 18 | 3% |
| 2003 | 3 | 3% |
| 2002 | 5 | 3% |
| 2001 | 6 | 4% |
Other parts of the 2001 Toyota Prius
45 complaintsElectrical system
27 complaintsTires
27 complaintsVehicle speed control
25 complaintsEngine cooling
18 complaintsBrakes
16 complaintsFuel system
12 complaintsSuspension
9 complaintsTransmission and drivetrain
5 complaintsEquipment
4 complaintsBody and structure
3 complaintsWheels
3 complaints
← All problems reported for the 2001 Toyota Prius
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology