Problems · NHTSA complaints
2001 Toyota Prius problems
Owners filed 170 complaints about the 2001 Toyota Prius with NHTSA between Dec 2000 and Dec 2019. The most-cited component is steering (45).
Complaints
170
Filed with NHTSA
Crashes
14
Reported by owners
Fires
3
Reported by owners
Injuries
6
People reported injured
Deaths
3
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Steering45
- Tires28
- Electrical system27
- Vehicle speed control25
- Engine and engine cooling19
- Suspension9
- Fuel system, gasoline9
- Service brakes, hydraulic8
- Power train6
- Service brakes5
- Wheels3
- Service brakes, electric3
- Equipment3
- Structure3
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 4, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
12
15
20
8
27
15
11
7
5
27
6
1
2
3
3
1
2
1
3
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2000 | 1 |
| 2001 | 12 |
| 2002 | 15 |
| 2003 | 20 |
| 2004 | 8 |
| 2005 | 27 |
| 2006 | 15 |
| 2007 | 11 |
| 2008 | 7 |
| 2009 | 5 |
| 2010 | 27 |
| 2011 | 6 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 3 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Steering
45 reports1 crash2 related recalls
“I WAS GETTING OFF THE FREEWAY AND DRIVING 40 MPH ON THE OFF RAMP, WHEN THE 2001 TOYOTA PRIUS DID A UNWANTED LEFT TURN OF THE STEERING WHEEL, I TRIED TO TURN THE STEERING WHEEL BACK TO CORRECT THE CAR ANGLE, BUT HE STEERING FORCE WAS TOO STRONG FOR ME TO CORRECT BACK TO STRAIGHT AHEAD, THE LEFT FRONT CAR THE CONCRETE BARRIER, AND THE CAR TURN 360 DEGREE AROUND. THE REAR RIGHT BUMPER HIT THE CONCRETE BARRIER. LUCKY THERE WAS NO OTHER CARS AROUND ME.”
Tires
28 reports3 crashes
“MY 2001 TOYOTA PRIUS CONSISTENTLY WORE OUT THE FRONT TIRES ON THE INSIDE PART OF THE TREAD, NOT EASILY VISIBLE FROM THE STREET. THE TIRES WORE DOWN TO THE CORDS IN LESS THAN 10,000 MILES. MY WIFE HAD AN ACCIDENT WHERE SHE COULD NOT STOP THE CAR IN TIME TO AVOID IT. MY YOUNG DAUGHTER WAS IN THE CAR AT THE TIME. THESE CARS ARE STILL ON THE ROAD. I COMPLAINED TO TOYOTA BUT THE COMPLAINT FELL ON DEAF EARS. *TR”
Electrical system
27 reports3 crashes3 fires
“MY CAR IS EXPERIENCING WHAT IS KNOWN ONLLINE AS "THE BIG HAND SYNDROM". WHILE DRIVING, THE ACCELERATOR PEDAL CHANGES RESISTANCE AND IT FEELS LIKE SOMEONE GRABS THE CAR AND IT DRAMATICALLY SLOWS. YOU THEN HAVE TO PRESS HARDER ON THE ACCELERATOR PEDAL TO MAINTAIN SPEED. WELL ONE DAY, THE CAR STOPPED WORKING, NO MATTER HOW HARD I PRESSED ON THE PEDAL IT WOULD NO ACCELERATE. I WAS ON THE HIGHWAY. I TOOK MY CAR IN TO THE LOCAL AUTHORIZED TOYOTA DEALER AND WAS TOLD THAT THE ACCELERATOR PEDAL WAS BAD AND NEEDED TO BE REPLACED. WE REPLACED THE PEDAL AND EXPERIENCED THE SAME ISSUES, AND REPLACED THE ACCELERATOR PEDAL AGAIN. I'M STILL EXPERIENCING THE SAME ISSUSES AND THE TOYOTA DEALER SAID THERES NOTHING THEY CAN DO EXCEPT KEEP REPLACING THE PEDAL CAUSE THATS THE CODE IT IS THROWING UP. THIS IS A MAJOR SAFETY ISSUE FOR MY VEHICLE AS I CAN AND DO LOSE ACCELERATION AT ANY GIVEN TIME. IT DOESNT SEEM TO MATTER HOW FAST IM GOING OR THE DRIVING CONDITIONS. IT IS COMPLETELY RANDOM, AND CANNOT BE REPLICATED ON COMAND. THE DATE LISTED IS THE FIRST INSTANCE, AND IT HAS HAPPENED TOO MANY TIMES TO COUNT OR MAKE RECORD.”
Vehicle speed control
25 reports5 crashes
“THE CAR ACCELERATED WITHOUT WARNING AT HIGH SPEED ON IT'S OWN IN A PARKING LOT AND RAMMED ITSELF INTO THE WALL DEPLOYING AIRBAGS. MY MOTHER WAS DRIVING AND WAS SENT TO THE E.R. SHE WAS SLOWLY BACKING UP WHEN THE CAR ACCELERATED FIRST IN REVERSE HITTING A WALL AND THEN SWITCHED IN DRIVE ON IT'S OWN WITH HIGH ACCELERATION RUNNING INTO THE OPPOSITE WALL WHICH DEPLOYED THE BAGS. AFTER READING ONLINE ABOUT THESE VEHICLES, THE ACCELERATION SURGING IS A COMMON PROBLEM.”
Engine and engine cooling
19 reports1 crash1 related recall
“TL*THE CONTACT OWNED A 2001 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH ON NORMAL ROAD CONDITIONS. THE "HYBRID" (EXCLAMATION MARK) WARNING INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL. IMMEDIATELY, THE ENGINE STALLED. THE WARNING LIGHT REMAINED ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. THE IDENTICAL FAILURES OCCURRED ON TWENTY SEPARATE OCCASIONS. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE ENGINE STARTED AND RESUMED NORMAL OPERATION. THE FAILURE MILEAGE WAS 16,000. THE CONTACT NO LONGER OWNED THE VEHICLE. UPDATED 4/5/10 *CN THE CONSUMER HAS SINCE SOLD THE VEHICLE. UPDATD 06/14/10.*JB”
Suspension
9 reports1 crash
“PREMATURE WEAR AND CROWNING OF TIRES DUE TO MANUFACTURING DEFECT OF REAR AXLE. CAN ONLY BE CORRECTED BY AFTER MARKET PLASTIC SHIMS INSTALLED AT AN EXPENSE OF APPROXIMATELY $500 OR OVER INFLATE TIRES TO 50 PSI AND LOOSE ROAD TRACTION OR INFLATE TIRES TO TOYOTA SPECIFICATIONS FOR PREMATURE WEAR DUE TO TOE OUT DEFECT. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 4, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.