← New search

2001 Toyota Prius

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2001 Toyota Prius do not stand out strongly from the model-year median of 164.

About this comparison →

When problems were reported

Mileage at the reported incident

106 reports with mileage · 59 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Steering. Review the 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 27 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Tires. Review the 27 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

13 crash reports3 fire reports6 injury reports

Service Brakes, Hydraulic complaints

8 reports
Clear category filter
175,000 miles · Jun 17, 2010
Service Brakes, HydraulicInjury

TL*THE CONTACT OWNS A 2001 TOYOTA PRIUS. THE CONTACT DETECTED TOXIC LEVELS OF MERCURY INSIDE OF THE VEHICLE. THE CONTACT STATED THE MERCURY PROBLEM WAS CONTRIBUTED TO A SPECIFIC TYPE OF METAL CONTENT IN THE BRAKE PADS. THE CONTACT WAS ADVISED BY A PHYSICIAN THAT A CHRONIC EXPOSURE OF MERCURY WAS IN HIS BODY WHICH RESULTED TO SU…

Read full complaint

TL*THE CONTACT OWNS A 2001 TOYOTA PRIUS. THE CONTACT DETECTED TOXIC LEVELS OF MERCURY INSIDE OF THE VEHICLE. THE CONTACT STATED THE MERCURY PROBLEM WAS CONTRIBUTED TO A SPECIFIC TYPE OF METAL CONTENT IN THE BRAKE PADS. THE CONTACT WAS ADVISED BY A PHYSICIAN THAT A CHRONIC EXPOSURE OF MERCURY WAS IN HIS BODY WHICH RESULTED TO SUCH SYMPTOMS AS FATIGUE, ITCHY SKIN, HAIR LOSS AND A TINGLY SENSATION WITHIN THE BODY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY DID NOT HAVE THE EQUIPMENT TO PERFORM A DIAGNOSIS FOR LEVELS OF MERCURY. THE CONTACT PLANNED TO REPLACE THE BRAKE PADS DUE TO THE SAFETY RISK INVOLVED. THE FAILURE MILEAGE WAS APPROXIMATELY 175,000.

NHTSA ODI #10336860

Mileage unknown · Feb 9, 2010
Service Brakes, Hydraulic

WHEN I AM BRAKING AND GO OVER A BUMP OR DIP IN THE ROAD THE BRAKES STOP WORKING AND I IMMEDIATELY HAVE TO LET UP ON THE BRAKE AND REAPPLY. THIS HAS HAPPENED SEVERAL TIMES BUT DID NOT THINK ANYTHING OF IT UNTIL THE LATEST RECALLS FOR TOYOTA. THIS IS HAPPENING WITH MY 2001 PRIUS. YES I SAID 2001. THIS HAS HAPPENED MANY TIMES I…

Read full complaint

WHEN I AM BRAKING AND GO OVER A BUMP OR DIP IN THE ROAD THE BRAKES STOP WORKING AND I IMMEDIATELY HAVE TO LET UP ON THE BRAKE AND REAPPLY. THIS HAS HAPPENED SEVERAL TIMES BUT DID NOT THINK ANYTHING OF IT UNTIL THE LATEST RECALLS FOR TOYOTA. THIS IS HAPPENING WITH MY 2001 PRIUS. YES I SAID 2001. THIS HAS HAPPENED MANY TIMES IN THE PAST 9 YEARS. I THOUGHT IT WAS NORMAL UNTIL THE RECENT REPORTS OF NEWER VEHICLES HAVING THIS ISSUE. MY VEHICLE IS 9 YEARS OLD. *TR

NHTSA ODI #10308078

Mileage unknown · Feb 8, 2010
Service Brakes, ElectricService Brakes, Hydraulic

TOYOTA HAS ANNOUNCED A RECALL OF THE NEWEST GENERATION OF PRIUS CARS TO INSTALL SOFTWARE TO REPAIR A BRAKING PROBLEM. I AM THE OWNER OF A FIRST GENERATION (2001) PRIUS. MY CAR HAS ALWAYS HAD THAT BRAKING PROBLEM. WHEN THE ROAD IS WET OR BUMPY OR AT UNPREDICTABLE TIMES DUE TO ROAD CONDITIONS, THE BRAKES MOMENTARILY FAIL TO ENG…

Read full complaint

TOYOTA HAS ANNOUNCED A RECALL OF THE NEWEST GENERATION OF PRIUS CARS TO INSTALL SOFTWARE TO REPAIR A BRAKING PROBLEM. I AM THE OWNER OF A FIRST GENERATION (2001) PRIUS. MY CAR HAS ALWAYS HAD THAT BRAKING PROBLEM. WHEN THE ROAD IS WET OR BUMPY OR AT UNPREDICTABLE TIMES DUE TO ROAD CONDITIONS, THE BRAKES MOMENTARILY FAIL TO ENGAGE AND IT IS AS THOUGH THERE ARE NO BRAKES. THE TOYOTA DEALER HAS NEVER BEEN WILLING TO ADMIT THAT THERE WAS A PROBLEM. I THINK THAT ALL MODELS OF PRIUS HAVE THIS PROBLEM BECAUSE OF THE UNIQUE NATURE OF THE BRAKING/CHARGING SYSTEM INHERENT IN THE CAR'S DESIGN. SINCE IT IS A SAFETY ISSUE, EARLIER MODELS OF THE PRIUS SHOULD BE INVESTIGATED AS WELL.

NHTSA ODI #10307373

63,932 miles · Feb 4, 2010
Service Brakes, Hydraulic

ON 12/21/06 THE BRAKE PEDAL WENT TO THE FLOOR, AS I TRIED TO STOP FOR A LIGHT. HAD TO USE THE PARK BRAKE TO STOP. PRIOR TO THIS MY WIFE COMPLAIN SEVERAL TIME THAT THE PEDAL WAS SOFT AND WENT DOWN. WE COMPLAIN SEVERAL TIME ABOUT THAT AND THE ABS LIGHT COMING ON, ANSWER WE CAN NOT FINE ANYTHING. ON 01/10/07 THE ABS LIGHT DID NOT G…

Read full complaint

ON 12/21/06 THE BRAKE PEDAL WENT TO THE FLOOR, AS I TRIED TO STOP FOR A LIGHT. HAD TO USE THE PARK BRAKE TO STOP. PRIOR TO THIS MY WIFE COMPLAIN SEVERAL TIME THAT THE PEDAL WAS SOFT AND WENT DOWN. WE COMPLAIN SEVERAL TIME ABOUT THAT AND THE ABS LIGHT COMING ON, ANSWER WE CAN NOT FINE ANYTHING. ON 01/10/07 THE ABS LIGHT DID NOT GO AWAY THEY REPLACED THE MASTER BRAKE CYL. NOT FIX THEY REPLACED ABS ACTUATOR ASSY FIX 12/10/09 BRAKE LIGHT AND ABS ON, BRAKE PEDAL TO THE FLOOR. *TR

NHTSA ODI #10305949

30,000 miles · Feb 4, 2010
Service Brakes, HydraulicCrash

I HAVE A 2001 PRIUS THAT ALSO HAS A PROBLEM WITH BRAKING, SIMILAR TO THAT DESCRIBED WITH THE 2010 MODEL. AT LOW SPEEDS WHEN THE CAR HITS A BUMP OR POTHOLE THE BRAKING IS MOMENTARILY LOST, BUT THEN RESUMES WITHIN 1-2 SECONDS. IN ~ 2003 I HAD A VERY LOW SPEED COLLISION FROM THIS (ABOUT $1000 DAMAGE TO THE HOOD SHEET METAL), BUT HA…

Read full complaint

I HAVE A 2001 PRIUS THAT ALSO HAS A PROBLEM WITH BRAKING, SIMILAR TO THAT DESCRIBED WITH THE 2010 MODEL. AT LOW SPEEDS WHEN THE CAR HITS A BUMP OR POTHOLE THE BRAKING IS MOMENTARILY LOST, BUT THEN RESUMES WITHIN 1-2 SECONDS. IN ~ 2003 I HAD A VERY LOW SPEED COLLISION FROM THIS (ABOUT $1000 DAMAGE TO THE HOOD SHEET METAL), BUT HAVE NOW LEARNED TO COMPENSATE FOR IT (BASICALLY APPLY BRAKES HARD AND WAIT FOR BRAKING TO RESUME AFTER THE PAUSE). I HAD REPORTED THIS TO THE DEALER ON SEVERAL EVALUATIONS, INCLUDING AFTER THE ACCIDENT, AND WAS TOLD THAT NO PROBLEM COULD BE IDENTIFIED. I AM REPORTING THIS BECAUSE IT IS REMARKABLY SIMILAR TO WHAT IT PURPORTED TO BE A NEW PROBLEM WITH THE 2010 PRIUS. IT IS NOT NEW. PLEASE FEEL FREE TO CONTACT ME IF YOU WOULD FIND OTHER INFORMATION USEFUL. *TR

NHTSA ODI #10305408

137,700 miles · Feb 3, 2010
Service Brakes, HydraulicVehicle Speed Control

WHILE DRIVING ALONG ON INTERSTATE, GOT WARNING TRIANGLE AND LOW MAIN BATTERY INFORMATION. IMMEDIATELY, CAR BEGAN TO SPEED-UP ON ITS OWN. I APPLIED VERY HARD BRAKING TO TRY AND SLOW DOWN WHILE TRYING TO MOVE TO THE RIGHT LANE WITH TRAFFIC ON MY RIGHT. CAR DID NOT SLOW DOWN BUT I MANAGED TO AVOID TRAFFIC AND GET ONTO THE RIGHT LAN…

Read full complaint

WHILE DRIVING ALONG ON INTERSTATE, GOT WARNING TRIANGLE AND LOW MAIN BATTERY INFORMATION. IMMEDIATELY, CAR BEGAN TO SPEED-UP ON ITS OWN. I APPLIED VERY HARD BRAKING TO TRY AND SLOW DOWN WHILE TRYING TO MOVE TO THE RIGHT LANE WITH TRAFFIC ON MY RIGHT. CAR DID NOT SLOW DOWN BUT I MANAGED TO AVOID TRAFFIC AND GET ONTO THE RIGHT LANE, WHERE THERE WAS AN EXIT FROM THE INTERSTATE. I MADE THE EXIT AND WAS ABLE TO GET CONTROL OF THE ACCELERATION. I THEN DROVE THE ROUGH RUNNING CAR TO THE MY DEALER OFF THAT EXIT. THEY REPLACED THE MAIN BATTERY, AND EVERYTHING IS NOW FINE. I FEEL THAT I WAS VERY LUCKY THAT NOBODY GOT HURT! *TR

NHTSA ODI #10304385

Mileage unknown · Feb 3, 2010
Service Brakes, HydraulicVehicle Speed Control

I SAW THAT THE JAPANESE GOVERNMENT IS MAKING TOYOTA LOOK INTO THE FOLLOWING COMPLAINT IN NEWER MODEL PRIUSES. "THE VEHICLE SURGED FORWARD OR TEMPORARILY LOST BRAKING AFTER DRIVING OVER A POTHOLE OR OTHER UNEVEN SURFACE. THIS IS A REOCCURING PROBLEM." MY 2001 PRIUS HAS THIS PROBLEM ALL THE TIME. IN ADDITION THE CAR HAD …

Read full complaint

I SAW THAT THE JAPANESE GOVERNMENT IS MAKING TOYOTA LOOK INTO THE FOLLOWING COMPLAINT IN NEWER MODEL PRIUSES. "THE VEHICLE SURGED FORWARD OR TEMPORARILY LOST BRAKING AFTER DRIVING OVER A POTHOLE OR OTHER UNEVEN SURFACE. THIS IS A REOCCURING PROBLEM." MY 2001 PRIUS HAS THIS PROBLEM ALL THE TIME. IN ADDITION THE CAR HAD THE HYBRID BATTERIES CATCH ON FIRE , THE CATALYTIC CONVERTER FAIL, THE ECU FOR THE BRAKES FAIL, THE POWER STEERING FAIL, THE BRAKE PUMP LEAK, THE COMPUTER FAIL (WHICH CAUSED THE CAR TO IMPROPERLY SHIFT GEARS). THESE ISSUES WERE ALL FIXED FOR FREE BY TOYOTA EXCEPT THE ECU FOR THE BRAKES AND THE BRAKE PUMP WHICH WERE FIXED, BUT AT MY EXPENSE. NO INJURIES OCCURED. *TR

NHTSA ODI #10304278

Mileage unknown · Feb 3, 2010
Service Brakes, Hydraulic

I AM THE OWNER OF A 2001 TOYOTA PRIUS, PURCHASING THE CAR IN 2002. EVER SINCE I HAVE HAD IT, I HAVE NOTICED IT TEMPORARILY LOSES BRAKING AFTER DRIVING RELATIVELY SLOWLY -- 5 TO 20 MPH -- OVER A POTHOLE THAT HITS JUST ONE WHEEL. IT IS A RECURRING PROBLEM. I COMPLAINED TO THE DEALERSHIP IN 2002 AND WAS TOLD THAT THERE WAS NO PR…

Read full complaint

I AM THE OWNER OF A 2001 TOYOTA PRIUS, PURCHASING THE CAR IN 2002. EVER SINCE I HAVE HAD IT, I HAVE NOTICED IT TEMPORARILY LOSES BRAKING AFTER DRIVING RELATIVELY SLOWLY -- 5 TO 20 MPH -- OVER A POTHOLE THAT HITS JUST ONE WHEEL. IT IS A RECURRING PROBLEM. I COMPLAINED TO THE DEALERSHIP IN 2002 AND WAS TOLD THAT THERE WAS NO PROBLEM AND THAT IT WAS PROBABLY THE WAY THE ANTI-LOCK BRAKE SYSTEM WORKED. I NOW KNOW THAT IF THERE IS A POTHOLE NEAR WHERE I WANT TO COME TO A STOP, I MAY HAVE TO LIFT MY FOOT OFF THE BRAKE AND THEN REAPPLY THE BRAKE WHEN GOING SLOW OR JUST PRESS HARDER ON THE BRAKE. IT DOES NOT HAPPEN THAT OFTEN, BUT IT DOES RECUR; WHILE I HAVE INDICATED A DATE IN ANOTHER FIELD OF THIS REPORT, IT IS TODAY'S DATE BECAUSE THE PROBLEM IS RECURRENT, ALTHOUGH PROBABLY NOT MORE OFTEN THAN A FEW TIMES PER YEAR, AND I CANNOT SAY WHEN IT LAST HAPPENED WITH ANY PRECISION. I AM NOW REPORTING THIS TO YOU BECAUSE I NOTICED AN ARTICLE IN THE NY TIMES REGARDING WHAT SOUNDS LIKE THIS VERY SAME PROBLEM. I HAVE NOT HAD ANY ACCIDENTS AS A RESULT OF THE PROBLEM. *TR

NHTSA ODI #10304253

Official recalls

3

11V304000 · Steering:electric Power Assist System

Jun 1, 2011

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2001 THROUGH 2003 PRIUS PASSENGER CARS MANUFACTURED FROM JANUARY 28, 2000, THROUGH MAY 30, 2003. THE STEERING LINKAGE MAY LOOSEN, RESULTING IN REDUCED ELECTRIC STEERING ASSISTANCE WHEN MAKING A LEFT TURN.

Consequence & remedy

Consequence: LOSS OF POWER STEERING, PARTICULARLY WHEN AN OPERATOR IS ACTIVELY INTENDING TO STEER THE VEHICLE, MAY INCREASE THE RISK OF A CRASH.

Remedy: TOYOTA WILL NOTIFY OWNERS AND DEALERS WILL REPLACE THE NUTS IN THE STEERING LINKAGE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 8, 2011. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

06V266000 · Engine And Engine Cooling

Jul 19, 2006

ON CERTAIN PASSENGER VEHICLES, DUE TO IMPROPER MOLDING OF THE RESIN BODY OF THE CRANKSHAFT POSITION SENOR INSTALLED ON THE ENGINE BLOCK, ENGINE OIL MAY PENETRATE THE SEAL AND ENTER THE SENSOR WIRING CONNECTOR. THE WIRE HARNESS CONNECTOR MAY NOT BE SUFFICIENTLY ATTACHED TO THE LOCKING TAB OF THE SENSOR WIRING CONNECTOR.

Consequence & remedy

Consequence: ENGINE OIL INSIDE THE SENSOR WIRING CONNECTOR COULD CAUSE EXPANSION DUE TO THE HEAT OF THE ENGINE AND COULD DEFORM THE SENSOR WIRING CONNECTOR. THE CONNECTOR MAY BECOME DISCONNECTED, WHICH COULD CAUSE THE ENGINE TO STALL WHILE DRIVING AND NOT BE ABLE TO BE RESTARTED INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE CRANKSHAFT POSITION SENSOR FREE OF CHARGE. THE RECALL BEGAN ON JULY 26, 2006. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

00V285000 · Steering:gear Box (other Than Rack And Pinion)

Sep 21, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. INSUFFICIENT ELECTRICAL CONTACT CAN OCCUR IN THE TORQUE SENSOR THAT CONTROLS THE POWER ASSIST OPERATION OF THE ELECTRIC POWER STEERING GEAR BOX. THE TORQUE SENSOR COULD SEND IMPROPER ELECTRICAL SIGNALS.

Consequence & remedy

Consequence: IF THIS OCCURS, THE POWER STEERING WARNING ICON WILL BE DISPLAYED ON THE CENTER PANEL, AND THE DRIVER COULD EXPERIENCE HIGHER THAN NORMAL STEERING EFFORT DEPENDING UPON VEHICLE SPEED.

Remedy: DEALERS WILL REPAIR THE ELECTRIC STEERING GEAR BOX.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP22005 · Pedestrian Alert Sounds

Opened Jan 27, 2023 · Closed Aug 7, 2023

Status: closed (inferred from source dates) · Electrical System:propulsion System

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.