ACCELERATOR PEDAL ON 2001 TOYOTA PRIUS FAILED. TOYOTA KNOWS ABOUT THE PROBLEM AND REFUSES TO ACKNOWLEDGE. THEY HAVE HAD ENOUGH FIXES THAT THEY HAD TO GO BACK AND FIX THE REPAIR MANUAL. THEY CHOSE TO IGNORE THE ISSUE AND SAY IT'S NOT A PROBLEM. LUCKILY I WAS DRIVING ON A NON MAJOR ROAD AND WAS NOT KILLED.*TR
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 →How this year compares
Owner complaints by model year
Compare all Prius years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
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.
Fuel System, Gasoline complaints
9 reportsI OWN A 2001 PRIUS. MY CAR HAS THE SAME PROBLEM FOR WHICH THE NHTSA ISSUED A SAFETY ALERT IN 2005, FAILURE OF THE MAIN COMPUTER, RESULTING IN THE GASOLINE ENGINE'S SHUTTING ITSELF OFF. THE COMPUTER FAILED AFTER ONE YEAR OF SERVICE. IT TOOK TOYOTA 18 MONTHS TO IDENTIFY THE PROBLEM. I HAVE INVOICES DOCUMENTING ALL THE EVENTS T…
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I OWN A 2001 PRIUS. MY CAR HAS THE SAME PROBLEM FOR WHICH THE NHTSA ISSUED A SAFETY ALERT IN 2005, FAILURE OF THE MAIN COMPUTER, RESULTING IN THE GASOLINE ENGINE'S SHUTTING ITSELF OFF. THE COMPUTER FAILED AFTER ONE YEAR OF SERVICE. IT TOOK TOYOTA 18 MONTHS TO IDENTIFY THE PROBLEM. I HAVE INVOICES DOCUMENTING ALL THE EVENTS THAT OCCURRED. THE DEALER HAD ME REPLACE THE ACCELERATOR PEDAL ASSEMBLY AT MY COST OF $450 AND REPLACED THE WRONG COMPUTER (THE ONE CONTROLLING THE POWER STEERING). THIS MONTH I GAVE UP AND HAD A COMPETENT DEALER REPLACE THE ECM. THE DOCUMENTS I RECEIVED INCLUDED TECHNICAL SERVICE BULLETIN OF JUNE 12, 2003. THE BULLETIN STATES THAT FOR THE ECM IN THE 2001-2003 MODEL YEAR PRIUS THE ECM PART NUMBER HAS BEEN REVISED. THE RELEVANT INFORMATION TABLE IS LABELED "PRODUCTION CHANGE INFORMATION." IN OTHER WORDS THE ECM IN MY CAR WAS DEFECTIVE FROM THE TIME THE CAR LEFT THE FACTORY BUT TOYOTA IS REFUSING TO PAY FOR THE REPAIRS BECAUSE NOW THE CAR IS TOO OLD. THIS CAR IS A LEMON. IT IS ONE OF THE FIRST PRIUS GENERATION MARKETED IN THE U.S. THE POWER STEERING HAD TO BE REPLACED TWICE. THERE WERE 2 OR 3 OTHER RECALLS AS WELL. HOWEVER, I AM A RETIRED PROFESSOR AND NOW THAT I HAVE FIXED THE PROBLEM AT MY EXPENSE I NEED TO KEEP THE CAR IN ORDER TO GET TO MY PART-TIME TEACHING JOB. THE REPAIRS TO THE ECM ALONE HAVE COST ME $1848.19. I WANT TOYOTA TO REIMBURSE ME. THANK YOU IN ADVANCE FOR ANY HELP YOU CAN PROVIDE. BY THE WAY, A SAFETY ALERT ON THESE MODELS AS USED PURCHASES MIGHT BE A GOOD IDEA. G.JAY WEINROTH *TR
2001 PRIUS FUEL TANK WAS DISCOVERED TO HAVE A PIN LEAK AND HAD TO BE REPLACED. PRIOR TO FINDING RIGHT AFTER 100,000 MILES THE CHECK ENGINE LIGHT STARTED COMING ON. *JB
REPEATED INCIDENTS OF STALLING OF THE GASOLINE ENGINE. BATTERY CONTINUES TO FUEL VEHICLE AT LOW SPEED. WILL RESTART AFTER SHUTTING THE ENGINE OFF. CONTINUES TO DO THIS AT ANY AND ALL SPEEDS. HAVE HAD VEHICLE GAS TANK BLADDER REPLACED AT OUR EXPENSE (OVER 600.00) COMPUTERS REPLACED (MULTIPLE) ON RECALLS. NOT ONLY A NUISANCE BUT …
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REPEATED INCIDENTS OF STALLING OF THE GASOLINE ENGINE. BATTERY CONTINUES TO FUEL VEHICLE AT LOW SPEED. WILL RESTART AFTER SHUTTING THE ENGINE OFF. CONTINUES TO DO THIS AT ANY AND ALL SPEEDS. HAVE HAD VEHICLE GAS TANK BLADDER REPLACED AT OUR EXPENSE (OVER 600.00) COMPUTERS REPLACED (MULTIPLE) ON RECALLS. NOT ONLY A NUISANCE BUT VERY DANGEROUS. DEALER HAS GIVEN NO HELP IN FINDING THE CAUSE. *NM
MY TOYOTA PRIUS 2001 HAS STALLED TWICE, WHILE ON THE FREEWAY. I WENT FROM 60 MPH TO 10 MPH WITHIN SECONDS. IT WAS EXTREMELY DANGEROUS. THE GAS ENGINE SHUT OFF AND ALL I HAD WAS ELECTRIC POWER. TOYOTA REPLACED MULTIPLE COMPUTER PARTS BOTH TIMES.
PROBLEMS STARTED IN NOVEMBER 2003. HAD OIL CHANGED AND AN HOUR LATER ALL THE WARNING LIGHTS CAME ON IN THE VEHICLE. IMMEDIATELY RETURNED TO THE DEALERSHIP WHERE IT TOOK 2 WEEKS TO REPLACE THE FUEL PUMP (37,000 MILES). SINCE THEN THE CAR HAS BEEN BACK TO THE DEALERSHIP AN ADDITIONAL 9 TIMES TO THE CURRENT DATE (MAY 2005) FOR S…
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PROBLEMS STARTED IN NOVEMBER 2003. HAD OIL CHANGED AND AN HOUR LATER ALL THE WARNING LIGHTS CAME ON IN THE VEHICLE. IMMEDIATELY RETURNED TO THE DEALERSHIP WHERE IT TOOK 2 WEEKS TO REPLACE THE FUEL PUMP (37,000 MILES). SINCE THEN THE CAR HAS BEEN BACK TO THE DEALERSHIP AN ADDITIONAL 9 TIMES TO THE CURRENT DATE (MAY 2005) FOR SEVERAL DIFFERENT THINGS. THE COMPUTER HAS BEEN REPLACED TWO TIMES. THE ENGINE HAS BEEN REPLACED. THE INJECTORS CLEANED, THEN A FEW MONTHS LATER HAD TO BE COMPLETELY REPLACED. THE THROTTLE BODY HAS BEEN REPLACED. I HAVE BEEN DRIVING THE CAR WHEN IT WOULD NOT ACELERATE AND HAD TO PULL OVER IN TRAFFIC. THE FIRST TIME THE DEALERSHIP SAID THERE WERE NO WARNING LIGHTS WHEN THE CAR GOT TO THE DEALERSHIP AND THEY COULD NOT RECREATE THE CODES OR SITUATION SO THEY COULD NOT DO ANYTHING. THE SECOND TIME (APRIL 2005) ALL FOUR INJECTORS WERE REPLACED AS WELL AS THE MASS AIR FLOW SYSTEM. THE CAR HAS BEEN IN THE SERVICE DEPARTMENT AT OUR TOYOTA DEALERSHIP FOR A TOTAL OF 17 TIMES SINCE THE CAR ARRIVED AT APPROXIMATELY 180 DAYS!!! 10 OF THOSE 17 TIMES HAS BEEN BECAUSE THE WARNING LIGHTS HAVE COME ON. HAVE ENTERED INTO ARBITRATION AND WE ARE AWAITING AN ANSWER ON THE DECISION.
THE VEHICLE LOST POWER WHEN THE CONSUMER ATTEMPTED TO ACCELERATE. *AK ALSO THE VEHICLE PULLED TO THE RIGHT THE TIRES WERE REPLACED SEVERAL TIMES AND THE VEHICLE HAD NUMEROUS ALIGNMENTS. THE RACK AND PINION WAS REPLACED AND THE FUEL TANK ASSEMBLY WAS REPLACE. *JB
EXTREME TIRE BLOW OUT(ONLY SHREDS LEFT)HESITATION RESULTING IN LOSS OF POWER IN TRAFFIC/GAS PEDAL SENSOR?*AK
CONSUMER STATES THAT WHILE DRIVING FUEL IN VEHICLE IS CONSUMED FASTER THAN IT SHOULD BE. THE GAS TANK HAVE BEEN REPLACED TWICE, AND THE VEHICLE IS IN THE SHOP AT THIS TIME FOR ANOTHER FUEL TANK. CONSUMER FEELS THAT VEHICLE MAY HAVE BEEN DAMAGED DURING TRANSPORT TO DEALERSHIP BECAUSE THE FRONT END IS OUT OF ALIGNMENT. VEHICLE HAS…
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CONSUMER STATES THAT WHILE DRIVING FUEL IN VEHICLE IS CONSUMED FASTER THAN IT SHOULD BE. THE GAS TANK HAVE BEEN REPLACED TWICE, AND THE VEHICLE IS IN THE SHOP AT THIS TIME FOR ANOTHER FUEL TANK. CONSUMER FEELS THAT VEHICLE MAY HAVE BEEN DAMAGED DURING TRANSPORT TO DEALERSHIP BECAUSE THE FRONT END IS OUT OF ALIGNMENT. VEHICLE HAS HAD FIVE FRONT END ALIGNMENTS SINCE OWNERSHIP. *AK
Official recalls
311V304000 · 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
1DP22005 · 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.
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