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2004 Toyota Prius

Owner reports · Recalls · Investigations

More warning signs than most Prius years

Owner complaints for the 2004 Toyota Prius are substantially higher than the model-year median of 164.

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When problems were reported

Mileage at the reported incident

503 reports with mileage · 107 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.

  • Exterior Lighting. Review the 184 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 177 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 89 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

38 crash reports2 fire reports21 injury reports

Vehicle Speed Control complaints

52 reports
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63,000 miles · Jul 29, 2010
Vehicle Speed ControlCrash

WHILE HEADING UP MY DRIVEWAY IN MY 2004 PRIUS, THE CAR BEGAN TO ACCELERATE, I THREW IT INTO REVERSE AND TURNED BACK TOWARD MY GARAGE WHERE IT CRASHED THRU THE WALL. *TR

NHTSA ODI #10346197

92,345 miles · Jul 24, 2010
Vehicle Speed Control

1) EVENTS LEADING TO FAILURE: POST-"90L CAMPAIGN" RECALL MAINTENANCE PERFORMED ON 2004 TOYOTA PRIUS, VEHICLE DRIVING AT ~15 MPH ON A FLAT CLEAR ROAD. 2) THE FAILURE: UNINTENDED ACCELERATION OBSERVED. ACCELERATED, WITHOUT ACCELERATOR DEPRESSED, TO ~27 MPH. BRAKES SUCCESSFULLY APPLIED. RELEASE OF BRAKE RESUMED UNINTENDED ACCELE…

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1) EVENTS LEADING TO FAILURE: POST-"90L CAMPAIGN" RECALL MAINTENANCE PERFORMED ON 2004 TOYOTA PRIUS, VEHICLE DRIVING AT ~15 MPH ON A FLAT CLEAR ROAD. 2) THE FAILURE: UNINTENDED ACCELERATION OBSERVED. ACCELERATED, WITHOUT ACCELERATOR DEPRESSED, TO ~27 MPH. BRAKES SUCCESSFULLY APPLIED. RELEASE OF BRAKE RESUMED UNINTENDED ACCELERATION. "RODE THE BRAKE TO DELIVER VEHICLE TO SAFE PARKING LOCATION. CONSEQUENCE: UNINTENDED ACCELERATION CONTROLLABLE BY BRAKING. 3) NOTHING HAS YET BEEN DONE TO CORRECT FAILURE. VEHICLE HAS NOT BEEN DRIVEN OR MOVED SINCE FAILURE, SINCE DEEMED UNSAFE TO DRIVE BY OWNER PENDING ANY USEFUL RESPONSE TO NOTIFICATION OF THIS INCIDENT BY TOYOTA INC. (NO USEFUL RESPONSE AS OF YET.) THE DEALER WAS UNABLE TO DUPLICATE THE CONSUMERS CONCERN. UPDATED 08/30/10 UPDATE IVOQ 09/01/10*JB *TR

NHTSA ODI #10345083

45,000 miles · Jul 20, 2010
Electronic Stability Control (esc)Vehicle Speed Control

THE AUTOMOBILE WAS STOPPED AT A INTERSECTION AND THE PAVEMENT WAS WET FROM A LIGHT RAIN. I APPLIED NORMAL PRESSURE TO THE ACCELERATOR AND FELT THE CAR MOVE FORWARD AS EXPECTED. THEN THE PROBLEM OCCURS, I FELT THE TIRES SLIP DUE TO A LOST OF TRACTION WITH THE WET PAVEMENT. AT THAT POINT THE ANTI-SKID/TRACTION CONTROL ENGAGED A…

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THE AUTOMOBILE WAS STOPPED AT A INTERSECTION AND THE PAVEMENT WAS WET FROM A LIGHT RAIN. I APPLIED NORMAL PRESSURE TO THE ACCELERATOR AND FELT THE CAR MOVE FORWARD AS EXPECTED. THEN THE PROBLEM OCCURS, I FELT THE TIRES SLIP DUE TO A LOST OF TRACTION WITH THE WET PAVEMENT. AT THAT POINT THE ANTI-SKID/TRACTION CONTROL ENGAGED AND STOPPED ALL POWER TO THE WHEELS. THIS LEFT ME PART WAY INTO THE INTERSECTION AND NO POWER TO THE WHEELS. PRESSING THE ACCELERATOR EVEN TO THE FLOOR RESULTED IN NO CHANGE, NO MOTOR OR ENGINE POWER. THIS HAS OCCURRED THREE TIME IN SIMILAR CONDITIONS, WITH MIXED RESULTS. TWICE THE PROBLEM COULD OF LEAD TO AN MAJOR ACCIDENT. IN SUMMARY THIS PROBLEM DISABLE THE DRIVE TRAIN IN A UNPREDICTABLE MANNER THAT TAKES THE DRIVER OUT OF THE PROCESS. *TR

NHTSA ODI #10344153

44,500 miles · Jul 13, 2010
Fuel System, GasolineVehicle Speed Control

2004 TOYOTA PRIUS ACCELERATES DUE TO GAS PEDAL GETTING STUCK IN THE FLOOR MAT. THIS MORNING I WAS DRIVING MY TOYOTA PRIUS 2004 THAT I BOUGHT FROM THE ORIGINAL OWNER WHO MENTIONED ALL RECALL ISSUES WERE ADDRESSED BY TOYOTA DEALERSHIP. HE MENTIONED THE DEALER SHAVED OFF THE GAS PEDAL TO MAKE IT SHORTER. BUT TODAY, WHILE ON I …

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2004 TOYOTA PRIUS ACCELERATES DUE TO GAS PEDAL GETTING STUCK IN THE FLOOR MAT. THIS MORNING I WAS DRIVING MY TOYOTA PRIUS 2004 THAT I BOUGHT FROM THE ORIGINAL OWNER WHO MENTIONED ALL RECALL ISSUES WERE ADDRESSED BY TOYOTA DEALERSHIP. HE MENTIONED THE DEALER SHAVED OFF THE GAS PEDAL TO MAKE IT SHORTER. BUT TODAY, WHILE ON I 495 GOING EASTWARDS JUST BEFORE ENTERING THE HOV LANE, I PRESSED THE GAS PEDAL ALL THE WAY DOWN TO OVER TAKE ANOTHER SLOW VEHICLE. THE CAR ENGINE KEPT RAISING NOISE, AND CAR STARTED TO ACCELERATE ON ITS OWN. I BRAKED, THE CAR SLOWED A BIT BUT ENGINE KEPT RUNNING FAST... I REALIZED THIS IS POTENTIALLY SAME ISSUE THAT PEOPLE REPORTED ON PRESS AND WITH LOT OF STRUGGLE TRYING TO BRAKE AND SLOW DOWN, REALIZED AND PUT THE CAR INTO N, NEUTRAL POSITION. I AM LUCKY TO KNOW THIS FROM MEDIA REPORTS, OTHERWISE I WOULD HAVE BEEN ANOTHER DEAD GUY ON A PRIUS! WHILE I WAS STILL ON HIGHWAY, NEEDING TO MAINTAIN SPEED I PUT THE CAR BACK ON DRIVE MODE, D AND THE PROBLEM CONTINUED. I REALIZED, I CAN LIFT THE GAS PEDAL WITH MY LEFT FOOT, AND SUCCEEDED IN UNTANGLING THE PEDAL FROM THE FLOOR MAT. AFTER I DID THAT IT WAS FINE. I ARRIVED AT WORK, BUT WITH EXTREME SHOCK AND DISAPPOINTMENT. I AM WONDERING HOW THIS PROBLEM CAN STILL REMAIN AFTER A RECALL REPAIR IS DONE ON THIS VEHICLE. THIS IS COMPLETELY UNACCEPTABLE AND MY LIFE WAS IN TOTAL RISK AND I SURVIVED TODAY PURELY BECAUSE OF MY TECHNICAL SKILLS AND KNOWLEDGE ABOUT THIS CAR ISSUE. I AM AN ENGINEER IN PROFESSION, A MECHANICAL ENGINEER WITH A MASTERS DEGREE AND I UNDERSTOOD HOW TO REACT. IF IT WAS FOR MY OTHER FAMILY MEMBERS IN THIS SITUATION THE OUTCOME WOULD HAVE BEEN TOTALLY DIFFERENT. I AM VERY VERY DISAPPOINTED WITH TOYOTA CORPORATION AND ALSO WITH YOU, THE NHTSA FOR NOT MAKING SURE THAT ALL PRIUS OUT THERE ARE SAFETY COMPLIANT. THIS IS REALLY TERRIBLE ! ...BECAUSE ITS A KNOWN ISSUE, AND OLD ISSUE THAT SHOULD HAVE BEEN CORRECTED. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10342933

Mileage unknown · Jul 12, 2010
Vehicle Speed Control

2004 TOYOTA PRIUS. CONSUMER STATES ACCELERATION PROBLEMS *TGW WHEN THE CONSUMER ATTEMPTED TO STOP AT A RED LIGHT, THE VEHICLE CONTINUED TO ACCELERATE. THE CONSUMER SWERVED INTO THE NEXT LANE TO AVOID HITTING THE VEHICLE IN FRONT OF HER. THE MOTOR REVVED AND THE VEHICLE BEGAN TO FISHTAIL. THEN THE MOTOR RETURNED TO NORMAL AND T…

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2004 TOYOTA PRIUS. CONSUMER STATES ACCELERATION PROBLEMS *TGW WHEN THE CONSUMER ATTEMPTED TO STOP AT A RED LIGHT, THE VEHICLE CONTINUED TO ACCELERATE. THE CONSUMER SWERVED INTO THE NEXT LANE TO AVOID HITTING THE VEHICLE IN FRONT OF HER. THE MOTOR REVVED AND THE VEHICLE BEGAN TO FISHTAIL. THEN THE MOTOR RETURNED TO NORMAL AND THE VEHICLE STOPPED. THE CONSUMER CALLED THE DEALERSHIP TO MAKE AN APPOINTMENT, BUT WAS TOLD THE VEHICLE WAS NOT A PART OF THE RECALL AND THE DIAGNOSTIC TESTING WOULD NOT BE COVERED BY TOYOTA. THE DEALER WAS UNABLE TO FIND ANYTHING WRONG WITH THE VEHICLE. *JB

NHTSA ODI #10341214

56,767 miles · Jun 2, 2010
Vehicle Speed Control

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING AT APPROXIMATELY 20 MPH, THE FLOOR MAT BECAME STUCK INSIDE THE ACCELERATOR PAD. THE VEHICLE ACCELERATED AND THE CONTACT PRESSED A BUTTON TO TURN OFF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP BUT THE DEALER COULD NOT DUPLICATE THE FAILURE. THE FAILURE OCC…

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TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING AT APPROXIMATELY 20 MPH, THE FLOOR MAT BECAME STUCK INSIDE THE ACCELERATOR PAD. THE VEHICLE ACCELERATED AND THE CONTACT PRESSED A BUTTON TO TURN OFF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP BUT THE DEALER COULD NOT DUPLICATE THE FAILURE. THE FAILURE OCCURRED TWO TIMES AFTER RECALL REPAIR WAS PERFORMED FOR RECALL 09V388000 (VEHICLE SPEED CONTROL: ACCELERATOR PEDAL). THE FAILURE MILEAGE WAS 56,767. THE CURRENT MILEAGE WAS 71,734.

NHTSA ODI #10334230

102,595 miles · May 28, 2010
Vehicle Speed Control

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING AT APPROXIMATELY 55 MPH THE CONTACT DEPRESSED THE ACCELERATOR PEDAL AND THE VEHICLE SURGED FORWARD. THE VEHICLE WOULD NOT STOP UNTIL REPEATED PRESSURE WAS APPLIED TO THE BRAKES. THE CONTACT CALLED THE MANUFACTURER WHO STATED THAT THE ISSUE WAS NOT A BIG DEAL. THE FAILURE AND…

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TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING AT APPROXIMATELY 55 MPH THE CONTACT DEPRESSED THE ACCELERATOR PEDAL AND THE VEHICLE SURGED FORWARD. THE VEHICLE WOULD NOT STOP UNTIL REPEATED PRESSURE WAS APPLIED TO THE BRAKES. THE CONTACT CALLED THE MANUFACTURER WHO STATED THAT THE ISSUE WAS NOT A BIG DEAL. THE FAILURE AND CURRENT MILEAGES WERE 102,595.

NHTSA ODI #10332696

14,000 miles · May 20, 2010
Vehicle Speed Control

WITHIN THE FIRST YEAR OF OWNING MY 2004 PRIUS I EXPERIENCED UNINTENDED ACCELERATION. IN THE OLD DAYS (I'M 71) IF YOU EXPERIENCED UNINTENDED ACCELERATION YOU WOULD RIGHT OFF CHECK YOUR GAS PEDAL AND FLOOR MATS. THAT KIND OF PROBLEM WASN'T ALL THAT UNCOMMON WHEN YOU OWNED OLD CARS. IF YOU DIDN'T FIND A PROBLEM IN THE AREA OF T…

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WITHIN THE FIRST YEAR OF OWNING MY 2004 PRIUS I EXPERIENCED UNINTENDED ACCELERATION. IN THE OLD DAYS (I'M 71) IF YOU EXPERIENCED UNINTENDED ACCELERATION YOU WOULD RIGHT OFF CHECK YOUR GAS PEDAL AND FLOOR MATS. THAT KIND OF PROBLEM WASN'T ALL THAT UNCOMMON WHEN YOU OWNED OLD CARS. IF YOU DIDN'T FIND A PROBLEM IN THE AREA OF THE GAS PEDAL YOU WOULD PULL OFF THE SIDE OF THE ROAD AND USUALLY FIND THE THROTTLE SPRING ON THE CARBURETOR MESSED UP IN SOME WAY OR SOMETHING ALONG THOSE LINES. WELL, WHEN IT HAPPENED ON MY PRIUS GOING ABOUT 40 MPH ON A STRETCH OF ROAD NOT SO FAR FROM MY HOME I INSTINCTIVELY CHECKED MY FLOOR MATS AND THROTTLE SHAFT FOR INTERFERENCE OR STICKING. NO PROBLEMS FOUND. I GOT THE CAR STOPPED - DON'T REMEMBER HOW (WITH YEARS OF DRIVING EXPERIENCE YOU INSTINCTIVELY TRY THINGS UNTIL YOU FIND SOMETHING THAT WORKS). ANYHOW, AFTER THAT I WENT DIRECTLY TO MYTOYOTA DEALER WHERE THEY CHECKED IT OUT BUT FOUND NOTHING. THE PROBLEM NEVER OCCURRED AGAIN. NOW I SEE THIS CLAIM THAT IT'S NOT AN ELECTRONIC PROBLEM ON THIS DRIVE-BY-WIRE CAR. I DON'T BELIEVE IT. IF YOU THINK ABOUT IT, IF IT HAPPENS JUST ONE TIME ON MY ONE PRIUS IN THOUSANDS OF MILES OF DRIVING, THAT MAKES AN INCIDENT OF THIS SORT PRETTY RARE, RARE ENOUGH TO WHERE IT'S UNLIKELY TO OCCUR UNDER CONTROLLED TESTS (IT WOULD BE INFINITELY EASIER TO FIND THE PROVERBIAL NEEDLE IN A HAYSTACK). VIRTUALLY EVERY MICROPROCESSOR CONTROLLED PRODUCT I'VE EVER USED HAS REQUIRED A RESET NOW AND THEN. USUALLY THERE'S NO INDICATION OF WHY THE PRODUCT LOCKED UP (OR WHATEVER). IF YOU USE SATELLITE TV, A DSS MODEM, OR OWN A PC I'M SURE YOU'VE EXPERIENCED IT. WHY IT SHOULD BE ANY DIFFERENT WITH CAR MICROPROCESSORS IS BEYOND ME. THE ANSWER IS FOR THE GOVERNMENT TO REQUIRE SOME KIND OF FAIL-SAFE APPARATUS ON EVERY DRIVE-BY-WIRE CAR IN THE FUTURE (I SEE TOYOTA IS ALREADY IMPLEMENTING THIS CONCEPT INTO THEIR 2011 CARS). HECK, MY LIFE OR THE LIFE OF MY CHILDREN OR GRANDCHILDREN MIGHT VERY WELL DEPEND ON IT. *TR

NHTSA ODI #10331465

74,000 miles · Apr 16, 2010
Air BagsVehicle Speed ControlCrashInjury

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH WHEN THE VEHICLE SUDDENLY ACCELERATED AND CRASHED INTO A VEHICLE AS SHE ATTEMPTED TO SLOW DOWN. THE AIR BAGS DID NOT DEPLOY AND THE CONTACT WAS INJURED. THE VEHICLE WAS DESTROYED. THE FAILURE MILEAGE WAS APPROXIMATELY 74,000.

NHTSA ODI #10326007

Mileage unknown · Mar 26, 2010
Electrical SystemVehicle Speed Control

S10 APPROPRIATE HANDLING RE TOYOTA VEHICLES RECALL, OWNER OF A 2004 TOYOTA PRIUS EXPERIENCED SUDDEN UNINTENDED ACCELERATION. *TGW THE CONSUMER STATED AS HE WAS DRIVING, HE APPROACHED A SLOWER MOVING VEHICLE, BUT WHEN HE ATTEMPTED TO APPLY THE BRAKE, THE VEHICLE INSTEAD ACCELERATED. AS HE HIT THE BRAKE HARDER, THE VEHICLE ACCEL…

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S10 APPROPRIATE HANDLING RE TOYOTA VEHICLES RECALL, OWNER OF A 2004 TOYOTA PRIUS EXPERIENCED SUDDEN UNINTENDED ACCELERATION. *TGW THE CONSUMER STATED AS HE WAS DRIVING, HE APPROACHED A SLOWER MOVING VEHICLE, BUT WHEN HE ATTEMPTED TO APPLY THE BRAKE, THE VEHICLE INSTEAD ACCELERATED. AS HE HIT THE BRAKE HARDER, THE VEHICLE ACCELERATED EVEN MORE. THE CONSUMER HAD TO AVOID AN ACCIDENT BY CROSSING OVER THE DOUBLE YELLOW LINE INTO ONCOMING TRAFFIC. THE CONSUMER MANAGED TO AVOID AN ACCIDENT AND QUICKLY MOVED BACK OVER TO THE CORRECT SIDE OF THE ROAD. THE CONSUMER STATED THE GAS PEDAL WAS NOT STUCK AS TOYOTA IS CLAIMING THERE IS A QUICK FIX AND PLACING THE BLAME ON THE ACCELERATOR PEDAL. PRIOR TO THE INCIDENT, THE CONSUMER STATED AS HE WAS WAITING IN A LINE, WITH HIS FOOT FIRMLY ON THE BRAKE, THE ENGINE SEEMED TO SUDDENLY REV UP AND THE VEHICLE LURCHED FORWARD BUT DID NOT MOVE DUE TO HIS FOOT BEING FIRMLY ON THE BRAKE. THE CONSUMER ALSO STATED ON SEVERAL OCCASIONS WHEN HE HIT THE BRAKE THE RADIO AND AIR CONDITION WOULD COME ON. THE DEALER CLAIMED THERE WAS NOTHING WRONG AND THAT THE CONSUMER MUST HAVE HIT THE RADIO AND CLIMATE CONTROL BUTTONS ON THE STEERING WHEEL. THE CONSUMER BELIEVED THAT THE BRAKING SYSTEM INFLUENCES THE ELECTRONICS OR COMPUTER AND CAUSES THE ACCELERATION OF THE VEHICLE. *JB

NHTSA ODI #10323084

Official recalls

6

12V536000 · Engine And Engine Cooling; Hybrid Propulsion System: Inverter

Nov 14, 2012

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may have occurred inside of the electrically driven water pump at the coil wire. The coil wire may corrode at the scratched portion.

Consequence & remedy

Consequence: The corroded coil wire may break and the water pump could stop. The corroded coil wire could cause a short circuit between coil wires and a possible open fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash.

Remedy: Toyota will notify its owners, and dealers will replace the electric water pump, free of charge. The recall began on January 17, 2013. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

Additional source detail variants (2)

Hybrid Propulsion System: Inverter

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may have occurred inside of the electrically driven water pump at the coil wire. The coil wire may corrode at the scratched portion.

Consequence: The corroded coil wire may break and the water pump could stop. The corroded coil wire could cause a short circuit between coil wires and a possible open fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash.

Remedy: Toyota will notify its owners, and dealers will replace the electric water pump, free of charge. The recall began on January 17, 2013. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

Engine And Engine Cooling

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may have occurred inside of the electrically driven water pump at the coil wire. The coil wire may corrode at the scratched portion.

Consequence: The corroded coil wire may break and the water pump could stop. The corroded coil wire could cause a short circuit between coil wires and a possible open fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash.

Remedy: Toyota will notify its owners, and dealers will replace the electric water pump, free of charge. The recall began on January 17, 2013. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

12V537000 · Steering; Steering:gear Box:shaft Sector

Nov 14, 2012

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 5, 2003, through March 30, 2009. The affected vehicles have a steering intermediate extension shaft assembly built with metal splines that complete the connection from the steering wheel to the steering gear. These splines may have been manufactured with an insufficient hardness.

Consequence & remedy

Consequence: Over time, the splines may wear and eventually fail resulting in a loss of steering ability, increasing the risk of a vehicle crash.

Remedy: Toyota will notify owners, and dealers will inspect the extension shaft and replace it if it is one with insufficient hardness, free of charge. The recall began during December 2012. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

Additional source detail variants (2)

Steering:gear Box:shaft Sector

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 5, 2003, through March 30, 2009. The affected vehicles have a steering intermediate extension shaft assembly built with metal splines that complete the connection from the steering wheel to the steering gear. These splines may have been manufactured with an insufficient hardness.

Consequence: Over time, the splines may wear and eventually fail resulting in a loss of steering ability, increasing the risk of a vehicle crash.

Remedy: Toyota will notify owners, and dealers will inspect the extension shaft and replace it if it is one with insufficient hardness, free of charge. The recall began during December 2012. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

Steering

Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 5, 2003, through March 30, 2009. The affected vehicles have a steering intermediate extension shaft assembly built with metal splines that complete the connection from the steering wheel to the steering gear. These splines may have been manufactured with an insufficient hardness.

Consequence: Over time, the splines may wear and eventually fail resulting in a loss of steering ability, increasing the risk of a vehicle crash.

Remedy: Toyota will notify owners, and dealers will inspect the extension shaft and replace it if it is one with insufficient hardness, free of charge. The recall began during December 2012. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.

09V388000 · Vehicle Speed Control:accelerator Pedal

Oct 5, 2009

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004-2010 PASSENGER VEHICLES. THE ACCELERATOR PEDAL CAN GET STUCK IN THE WIDE OPEN POSITION DUE TO ITS BEING TRAPPED BY AN UNSECURED OR INCOMPATIBLE DRIVER'S FLOOR MAT.

Consequence & remedy

Consequence: A STUCK OPEN ACCELERATOR PEDAL MAY RESULT IN VERY HIGH VEHICLE SPEEDS AND MAKE IT DIFFICULT TO STOP THE VEHICLE, WHICH COULD CAUSE A CRASH, SERIOUS INJURY OR DEATH.

Remedy: TOYOTA FILED AN AMENDED DEFECT REPORT ON NOVEMBER 25, 2009, STATING THAT DEALERS WILL MODIFY THE ACCELERATOR PEDAL AND, ON CERTAIN VEHICLES, ALTER THE SHAPE OF THE FLOOR SURFACE UNDER THE PEDAL. THESE CHANGES ADDRESS THE RISK OF PEDAL ENTRAPMENT DUE TO INTERFERENCE WITH THE FLOOR MAT. REDESIGNED ACCELERATOR PEDALS WILL BECOME AVAILABLE BEGINNING IN APRIL 2010 AND DEALERS WILL REPLACE ANY MODIFIED PEDAL WITH THE NEW PEDAL IF DESIRED. ALSO, DEALERS WILL REPLACE ANY GENUINE TOYOTA OR LEXUS ALL-WEATHER FLOOR MATS WITH REDESIGNED ALL-WEATHER MATS, OR REPURCHASE THE PREVIOUS MATS FROM OWNERS WHO DO NOT WANT THE NEW ONES. ADDITIONALLY, SOFTWARE MODIFICATIONS WILL BE INSTALLED ON CAMRY, AVALON AND LEXUS ES 350, IS 350 AND IS 250 MODELS THAT WILL ENSURE THAT THE BRAKE OVERRIDES THE ACCELERATOR IN THE EVENT BOTH BRAKE AND ACCELERATOR PEDALS ARE APPLIED. TOYOTA WILL BEGIN MAILING LETTERS TO OWNERS ON DECEMBER 31, 2009. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331, LEXUS AT 1-800-255-3987.

06V188000 · Steering:electric Power Assist System

May 31, 2006

THE INTERMEDIATE SHAFT AND SLIDING YOKE IN THE ELECTRIC POWER STEERING SYSTEM CAN CRACK WHEN LARGE FORCES ARE APPLIED AND THE CONNECTION MAY SEPARATE OR THE SLEEVE MAY FRACTURE.

Consequence & remedy

Consequence: THIS COULD RESULT IN A LOSS OF STEERING CONTROL OF THE VEHICLE.

Remedy: TOYOTA WILL REPLACE THE STEERING INTERMEDIATE SHAFT AND INSPECT THE SLIDING YOKE AND REPLACE IT IF NECESSARY. THE RECALL BEGAN ON JUNE 9, 2006. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

06V096000 · Air Bags

Apr 3, 2006

ON CERTAIN VEHICLES, DUE TO IMPROPER ASSEMBLY OF THE AIR BAG INFLATOR, WHICH IS USED IN THE SIDE AIR BAG, THE CURTAIN SHIELD AIR BAG, AND THE KNEE AIR BAG ASSEMBLY, SOME INFLATORS WERE PRODUCED WITH AN INSUFFICIENT AMOUNT OF THE HEATING AGENTS NECESSARY FOR PROPER AIR BAG DEPLOYMENT. IN THIS CONDITION, THE EXPANSION FORCE OF THE GAS MAY BE INSUFFICIENT TO PROPERLY INFLATE THE AIR BAG WHEN THE SRS SYSTEM IS ACTIVATED DURING A CRASH.

Consequence & remedy

Consequence: THIS MAY INCREASE THE RISK OF INJURY TO THE OCCUPANT IN THE INVOLVED SEATING POSITION IN THE EVENT OF A CRASH.

Remedy: DEALERS WILL REPLACE THE SPECIFIC SRS AIR BAG. THE RECALL BEGAN ON APRIL 6, 2006. OWNERS MAY CONTACT TOYOTA AT 1-888-270-9371, SCION AT 1-866-548-1851, OR LEXUS AT 1-800-255-3987.

04V558000 · Exterior Lighting:brake Lights:switch

Nov 22, 2004

CERTAIN PASSENGER VEHICLES MAY BE EQUIPPED WITH AN IMPROPERLY DESIGNED BRAKE LIGHT SWITCH. A SILICON OXIDE BUILD-UP OCCURS ON THE CONTACTS INSIDE THE BRAKE LIGHT SWITCH, WHICH CAN MAKE IT INOPERABLE.

Consequence & remedy

Consequence: IF THE SWITCH IS INOPERABLE, THE BRAKE LIGHTS WILL NOT ILLUMINATE AND CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE BRAKE LIGHT SWITCH. THE RECALL BEGAN DURING DECEMBER 2004. OWNERS SHOULD CONTACT TOYOTA AT 1-800-331-4331.

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

3

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.

DP13001 · Intermediate Steering Shaft Separation

Opened Feb 21, 2013 · Closed Apr 8, 2020

Status: closed (inferred from source dates) · Steering; Steering:column; Steering:linkages

The Office of Defects Investigation (ODI) received a January 2013 defect petition requesting that it open an investigation on Model Year (MY) 2004-2009 Toyota Prius vehicles to address a possible manufacturing safety defect related to the steering column intermediate shaft.During the defect petition evaluation, ODI: 1.Reviewed the petition and its enclosures; 2.Reviewed the subject steering system layout; 3.Examined the Petition Vehicle?s history, including its repair history; 4.Reviewed and followed-up potentially related consumer complaints; 5.Assessed Safety Recalls 06V-188 and 12V-537; and, 6.Requested and examined complaint, claim, field report, service history, and warranty information from Toyota.ODI's review revealed that the petition vehicle had been recalled (Recall 06V188) to remedy a defect in the system identified in the petition with the remedy taking place prior to the failure that prompted the petition. Circumstances point to incorrect reassembly of the petitioner's vehicle by those who performed the recall remedy.ODI examined the issues raised by this petition to identify any related safety defect trend in the general subject vehicle population.That review identified a low rate of related consumer complaints (twenty-five over a eight year period from a population of over 600,000 vehicles) and no pattern that would identify either a safety defect not already covered by the two existing steering safety recalls by Toyota or a systematic problem with either recall remedy.Based on this evaluation, ODI does not believe that additional investigation will lead to a finding that a defect related to motor vehicle safety exists in the subject vehicles. Therefore, in view of the need to allocate and prioritize NHTSA?s limited resources to best accomplish the agency's safety mission, the petition is denied. The denial of this petition does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take further action if warranted by the circumstances.For more information, see the Federal Register notice in the public file for this action (https://www.nhtsa.gov/recalls#vehicle, select NHTSA ID, enter: DP13001)The ODI reports cited above can be reviewed on-line (https://www.nhtsa.gov/recalls#vehicle) under the following NHTSA ID numbers:10407520, 10418710, 10429551, 10473654, 10478195, 10478053, 10437229, 10489425, 10510722, 10639984, 10648277, 10499778, 10712626, 10723196, 10787530, 10808124, 10838803, 11071646, 11098144, 11099507, 11102659, 11160767, 11192607, 11287550, 11287606

Additional source detail variants (3)

Steering:column

The Office of Defects Investigation (ODI) received a January 2013 defect petition requesting that it open an investigation on Model Year (MY) 2004-2009 Toyota Prius vehicles to address a possible manufacturing safety defect related to the steering column intermediate shaft.During the defect petition evaluation, ODI: 1.Reviewed the petition and its enclosures; 2.Reviewed the subject steering system layout; 3.Examined the Petition Vehicle?s history, including its repair history; 4.Reviewed and followed-up potentially related consumer complaints; 5.Assessed Safety Recalls 06V-188 and 12V-537; and, 6.Requested and examined complaint, claim, field report, service history, and warranty information from Toyota.ODI's review revealed that the petition vehicle had been recalled (Recall 06V188) to remedy a defect in the system identified in the petition with the remedy taking place prior to the failure that prompted the petition. Circumstances point to incorrect reassembly of the petitioner's vehicle by those who performed the recall remedy.ODI examined the issues raised by this petition to identify any related safety defect trend in the general subject vehicle population.That review identified a low rate of related consumer complaints (twenty-five over a eight year period from a population of over 600,000 vehicles) and no pattern that would identify either a safety defect not already covered by the two existing steering safety recalls by Toyota or a systematic problem with either recall remedy.Based on this evaluation, ODI does not believe that additional investigation will lead to a finding that a defect related to motor vehicle safety exists in the subject vehicles. Therefore, in view of the need to allocate and prioritize NHTSA?s limited resources to best accomplish the agency's safety mission, the petition is denied. The denial of this petition does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take further action if warranted by the circumstances.For more information, see the Federal Register notice in the public file for this action (https://www.nhtsa.gov/recalls#vehicle, select NHTSA ID, enter: DP13001)The ODI reports cited above can be reviewed on-line (https://www.nhtsa.gov/recalls#vehicle) under the following NHTSA ID numbers:10407520, 10418710, 10429551, 10473654, 10478195, 10478053, 10437229, 10489425, 10510722, 10639984, 10648277, 10499778, 10712626, 10723196, 10787530, 10808124, 10838803, 11071646, 11098144, 11099507, 11102659, 11160767, 11192607, 11287550, 11287606

Steering:linkages

The Office of Defects Investigation (ODI) received a January 2013 defect petition requesting that it open an investigation on Model Year (MY) 2004-2009 Toyota Prius vehicles to address a possible manufacturing safety defect related to the steering column intermediate shaft.During the defect petition evaluation, ODI: 1.Reviewed the petition and its enclosures; 2.Reviewed the subject steering system layout; 3.Examined the Petition Vehicle?s history, including its repair history; 4.Reviewed and followed-up potentially related consumer complaints; 5.Assessed Safety Recalls 06V-188 and 12V-537; and, 6.Requested and examined complaint, claim, field report, service history, and warranty information from Toyota.ODI's review revealed that the petition vehicle had been recalled (Recall 06V188) to remedy a defect in the system identified in the petition with the remedy taking place prior to the failure that prompted the petition. Circumstances point to incorrect reassembly of the petitioner's vehicle by those who performed the recall remedy.ODI examined the issues raised by this petition to identify any related safety defect trend in the general subject vehicle population.That review identified a low rate of related consumer complaints (twenty-five over a eight year period from a population of over 600,000 vehicles) and no pattern that would identify either a safety defect not already covered by the two existing steering safety recalls by Toyota or a systematic problem with either recall remedy.Based on this evaluation, ODI does not believe that additional investigation will lead to a finding that a defect related to motor vehicle safety exists in the subject vehicles. Therefore, in view of the need to allocate and prioritize NHTSA?s limited resources to best accomplish the agency's safety mission, the petition is denied. The denial of this petition does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take further action if warranted by the circumstances.For more information, see the Federal Register notice in the public file for this action (https://www.nhtsa.gov/recalls#vehicle, select NHTSA ID, enter: DP13001)The ODI reports cited above can be reviewed on-line (https://www.nhtsa.gov/recalls#vehicle) under the following NHTSA ID numbers:10407520, 10418710, 10429551, 10473654, 10478195, 10478053, 10437229, 10489425, 10510722, 10639984, 10648277, 10499778, 10712626, 10723196, 10787530, 10808124, 10838803, 11071646, 11098144, 11099507, 11102659, 11160767, 11192607, 11287550, 11287606

Steering

The Office of Defects Investigation (ODI) received a January 2013 defect petition requesting that it open an investigation on Model Year (MY) 2004-2009 Toyota Prius vehicles to address a possible manufacturing safety defect related to the steering column intermediate shaft.During the defect petition evaluation, ODI: 1.Reviewed the petition and its enclosures; 2.Reviewed the subject steering system layout; 3.Examined the Petition Vehicle?s history, including its repair history; 4.Reviewed and followed-up potentially related consumer complaints; 5.Assessed Safety Recalls 06V-188 and 12V-537; and, 6.Requested and examined complaint, claim, field report, service history, and warranty information from Toyota.ODI's review revealed that the petition vehicle had been recalled (Recall 06V188) to remedy a defect in the system identified in the petition with the remedy taking place prior to the failure that prompted the petition. Circumstances point to incorrect reassembly of the petitioner's vehicle by those who performed the recall remedy.ODI examined the issues raised by this petition to identify any related safety defect trend in the general subject vehicle population.That review identified a low rate of related consumer complaints (twenty-five over a eight year period from a population of over 600,000 vehicles) and no pattern that would identify either a safety defect not already covered by the two existing steering safety recalls by Toyota or a systematic problem with either recall remedy.Based on this evaluation, ODI does not believe that additional investigation will lead to a finding that a defect related to motor vehicle safety exists in the subject vehicles. Therefore, in view of the need to allocate and prioritize NHTSA?s limited resources to best accomplish the agency's safety mission, the petition is denied. The denial of this petition does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take further action if warranted by the circumstances.For more information, see the Federal Register notice in the public file for this action (https://www.nhtsa.gov/recalls#vehicle, select NHTSA ID, enter: DP13001)The ODI reports cited above can be reviewed on-line (https://www.nhtsa.gov/recalls#vehicle) under the following NHTSA ID numbers:10407520, 10418710, 10429551, 10473654, 10478195, 10478053, 10437229, 10489425, 10510722, 10639984, 10648277, 10499778, 10712626, 10723196, 10787530, 10808124, 10838803, 11071646, 11098144, 11099507, 11102659, 11160767, 11192607, 11287550, 11287606

PE05029 · Engine Stalling

Opened May 31, 2005 · Closed Oct 12, 2005

Status: closed (inferred from source dates) · Engine And Engine Cooling; Engine And Engine Cooling:engine; Unknown Or Other

ODI OPENED PE05-029 BASED ON 33 REPORTS OF ALLEGED GASOLINE ENGINE STALLING ON THE SUBJECT VEHICLES.THE SUBJECT VEHICLES ARE GASOLINE/ ELECTRIC HYBRID VEHICLES THAT CAN BE OPERATED IN GASOLINE OR ELECTRIC MODES, OR A COMBINATION OF BOTH DEPENDING ON THE POWER DEMAND.ALL REPORTS ALLEGE THAT THE GASOLINE ENGINE SHUT DOWN SUDDENLY WITHOUT WARNING.SOME OF THE COMPLAINANTS REPORTED THAT THE VEHICLE CONTINUED TO OPERATE USING THE ELECTRIC MODE FOR A PERIOD OF TIME AFTER THE GAS ENGINE STALLED AND SOME REPORTED THAT THE VEHICLE SHUT DOWN AT THE SAME TIME THAT THEY FELT THE GAS ENGINE STALLED.SOME CONSUMERS REPORTED THAT THEY WERE ABLE TO RESTART THE VEHICLE EITHER IMMEDIATELY OR AFTER ALLOWING THE VEHICLE SIT FOR A SHORT TIME, WHEREAS OTHERS REPORTED THAT THEY HAD THEIR VEHICLE TOWED.DURING PE05-029, ADDITIONAL FAILURE DATA WAS IDENTIFIED AS NOTED IN THE FAILURE REPORT SUMMARY ABOVE.THE COMPLAINT DATA REPRESENTS INCIDENTS WHERE ENGINE STALLING WAS ALLEGED OR WHERE THE VEHICLE WAS ALLEGED TO HAVE ONE OF THE VARIOUS CONDITIONS THAT CAUSES THE GAS ENGINE TO STALL.IN ITS AUGUST 26, 2005 RESPONSE TO ODI'S INFORMATION REQUEST, TOYOTA IDENTIFIED VARIOUS CONDITIONS THAT COULD CAUSE THE SUBJECT VEHICLES TO EXPERIENCE A GAS ENGINE STALL.IF THIS HAPPENS, THE DRIVER IS ALERTED BY AN AUDIBLE SOUND AND VARIOUS WARNING LIGHTS.THE VEHICLE WILL CONTINUE TO OPERATE IN THE ELECTRIC MODE AND THE ELECTRICALLY-POWERED BRAKE AND STEERING OPERATION WILL CONTINUE TO FUNCTION NORMALLY. ANALYSIS OF THE WARRANTY DATA INDICATED THAT OVER 97% OF VEHICLES EXPERIENCING A GAS ENGINE STALL RESULTED FROM AN ISSUE WITH THE PROGRAM LOGIC IN THE ELECTRONIC CONTROL MODULE (ECM) SYSTEM, WHICH MAY CAUSE THE ECM SYSTEM TO NOT START THE GAS ENGINE WHEN REQUIRED.AS A RESULT, THE VEHICLE WILL ENTER THE LIMITED OPERATION MODE DESCRIBED ABOVE.THE MAJORITY OF THE ODI COMPLAINTS ALSO INDICATED THAT THE DRIVER EXPERIENCED THIS CONDITION IN CONJUNCTION WITH THE ENGINE STALL. DURING OCTOBER 2005, TOYOTA INFORMED ODI THAT IT WOULD INITIATE A SPECIAL SERVICE CAMPAIGN (SSC) TO REPROGRAM THE ECM SOFTWARE ON APPROXIMATELY 75,000 MY 2004 AND EARLY 2005 SUBJECT VEHICLES TO ADDRESS THE GAS ENGINE STALLING CONDITION.DURING THIS SSC, DEALERS WILL ALSO APPLY SPECIAL DIELECTRIC GREASE TO A TRANSAXLE CONNECTOR TO PREVENT WATER INTRUSION WHICH MAY ALSO CAUSE SIMILAR LIMITED OPERATION CONDITIONS.BASED ON ODI'S ANALYSIS, THIS REMEDY SHOULD ADDRESS MOST OF THE INCIDENTS RESULTING IN A LIMITED OPERATION MODE.GIVEN THESE CIRCUMSTANCES, FURTHER USE OF THE AGENCY RESOURCES IN THIS MATTER DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.

Additional source detail variants (3)

Engine And Engine Cooling:engine

ODI OPENED PE05-029 BASED ON 33 REPORTS OF ALLEGED GASOLINE ENGINE STALLING ON THE SUBJECT VEHICLES.THE SUBJECT VEHICLES ARE GASOLINE/ ELECTRIC HYBRID VEHICLES THAT CAN BE OPERATED IN GASOLINE OR ELECTRIC MODES, OR A COMBINATION OF BOTH DEPENDING ON THE POWER DEMAND.ALL REPORTS ALLEGE THAT THE GASOLINE ENGINE SHUT DOWN SUDDENLY WITHOUT WARNING.SOME OF THE COMPLAINANTS REPORTED THAT THE VEHICLE CONTINUED TO OPERATE USING THE ELECTRIC MODE FOR A PERIOD OF TIME AFTER THE GAS ENGINE STALLED AND SOME REPORTED THAT THE VEHICLE SHUT DOWN AT THE SAME TIME THAT THEY FELT THE GAS ENGINE STALLED.SOME CONSUMERS REPORTED THAT THEY WERE ABLE TO RESTART THE VEHICLE EITHER IMMEDIATELY OR AFTER ALLOWING THE VEHICLE SIT FOR A SHORT TIME, WHEREAS OTHERS REPORTED THAT THEY HAD THEIR VEHICLE TOWED.DURING PE05-029, ADDITIONAL FAILURE DATA WAS IDENTIFIED AS NOTED IN THE FAILURE REPORT SUMMARY ABOVE.THE COMPLAINT DATA REPRESENTS INCIDENTS WHERE ENGINE STALLING WAS ALLEGED OR WHERE THE VEHICLE WAS ALLEGED TO HAVE ONE OF THE VARIOUS CONDITIONS THAT CAUSES THE GAS ENGINE TO STALL.IN ITS AUGUST 26, 2005 RESPONSE TO ODI'S INFORMATION REQUEST, TOYOTA IDENTIFIED VARIOUS CONDITIONS THAT COULD CAUSE THE SUBJECT VEHICLES TO EXPERIENCE A GAS ENGINE STALL.IF THIS HAPPENS, THE DRIVER IS ALERTED BY AN AUDIBLE SOUND AND VARIOUS WARNING LIGHTS.THE VEHICLE WILL CONTINUE TO OPERATE IN THE ELECTRIC MODE AND THE ELECTRICALLY-POWERED BRAKE AND STEERING OPERATION WILL CONTINUE TO FUNCTION NORMALLY. ANALYSIS OF THE WARRANTY DATA INDICATED THAT OVER 97% OF VEHICLES EXPERIENCING A GAS ENGINE STALL RESULTED FROM AN ISSUE WITH THE PROGRAM LOGIC IN THE ELECTRONIC CONTROL MODULE (ECM) SYSTEM, WHICH MAY CAUSE THE ECM SYSTEM TO NOT START THE GAS ENGINE WHEN REQUIRED.AS A RESULT, THE VEHICLE WILL ENTER THE LIMITED OPERATION MODE DESCRIBED ABOVE.THE MAJORITY OF THE ODI COMPLAINTS ALSO INDICATED THAT THE DRIVER EXPERIENCED THIS CONDITION IN CONJUNCTION WITH THE ENGINE STALL. DURING OCTOBER 2005, TOYOTA INFORMED ODI THAT IT WOULD INITIATE A SPECIAL SERVICE CAMPAIGN (SSC) TO REPROGRAM THE ECM SOFTWARE ON APPROXIMATELY 75,000 MY 2004 AND EARLY 2005 SUBJECT VEHICLES TO ADDRESS THE GAS ENGINE STALLING CONDITION.DURING THIS SSC, DEALERS WILL ALSO APPLY SPECIAL DIELECTRIC GREASE TO A TRANSAXLE CONNECTOR TO PREVENT WATER INTRUSION WHICH MAY ALSO CAUSE SIMILAR LIMITED OPERATION CONDITIONS.BASED ON ODI'S ANALYSIS, THIS REMEDY SHOULD ADDRESS MOST OF THE INCIDENTS RESULTING IN A LIMITED OPERATION MODE.GIVEN THESE CIRCUMSTANCES, FURTHER USE OF THE AGENCY RESOURCES IN THIS MATTER DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.

Engine And Engine Cooling

ODI OPENED PE05-029 BASED ON 33 REPORTS OF ALLEGED GASOLINE ENGINE STALLING ON THE SUBJECT VEHICLES.THE SUBJECT VEHICLES ARE GASOLINE/ ELECTRIC HYBRID VEHICLES THAT CAN BE OPERATED IN GASOLINE OR ELECTRIC MODES, OR A COMBINATION OF BOTH DEPENDING ON THE POWER DEMAND.ALL REPORTS ALLEGE THAT THE GASOLINE ENGINE SHUT DOWN SUDDENLY WITHOUT WARNING.SOME OF THE COMPLAINANTS REPORTED THAT THE VEHICLE CONTINUED TO OPERATE USING THE ELECTRIC MODE FOR A PERIOD OF TIME AFTER THE GAS ENGINE STALLED AND SOME REPORTED THAT THE VEHICLE SHUT DOWN AT THE SAME TIME THAT THEY FELT THE GAS ENGINE STALLED.SOME CONSUMERS REPORTED THAT THEY WERE ABLE TO RESTART THE VEHICLE EITHER IMMEDIATELY OR AFTER ALLOWING THE VEHICLE SIT FOR A SHORT TIME, WHEREAS OTHERS REPORTED THAT THEY HAD THEIR VEHICLE TOWED.DURING PE05-029, ADDITIONAL FAILURE DATA WAS IDENTIFIED AS NOTED IN THE FAILURE REPORT SUMMARY ABOVE.THE COMPLAINT DATA REPRESENTS INCIDENTS WHERE ENGINE STALLING WAS ALLEGED OR WHERE THE VEHICLE WAS ALLEGED TO HAVE ONE OF THE VARIOUS CONDITIONS THAT CAUSES THE GAS ENGINE TO STALL.IN ITS AUGUST 26, 2005 RESPONSE TO ODI'S INFORMATION REQUEST, TOYOTA IDENTIFIED VARIOUS CONDITIONS THAT COULD CAUSE THE SUBJECT VEHICLES TO EXPERIENCE A GAS ENGINE STALL.IF THIS HAPPENS, THE DRIVER IS ALERTED BY AN AUDIBLE SOUND AND VARIOUS WARNING LIGHTS.THE VEHICLE WILL CONTINUE TO OPERATE IN THE ELECTRIC MODE AND THE ELECTRICALLY-POWERED BRAKE AND STEERING OPERATION WILL CONTINUE TO FUNCTION NORMALLY. ANALYSIS OF THE WARRANTY DATA INDICATED THAT OVER 97% OF VEHICLES EXPERIENCING A GAS ENGINE STALL RESULTED FROM AN ISSUE WITH THE PROGRAM LOGIC IN THE ELECTRONIC CONTROL MODULE (ECM) SYSTEM, WHICH MAY CAUSE THE ECM SYSTEM TO NOT START THE GAS ENGINE WHEN REQUIRED.AS A RESULT, THE VEHICLE WILL ENTER THE LIMITED OPERATION MODE DESCRIBED ABOVE.THE MAJORITY OF THE ODI COMPLAINTS ALSO INDICATED THAT THE DRIVER EXPERIENCED THIS CONDITION IN CONJUNCTION WITH THE ENGINE STALL. DURING OCTOBER 2005, TOYOTA INFORMED ODI THAT IT WOULD INITIATE A SPECIAL SERVICE CAMPAIGN (SSC) TO REPROGRAM THE ECM SOFTWARE ON APPROXIMATELY 75,000 MY 2004 AND EARLY 2005 SUBJECT VEHICLES TO ADDRESS THE GAS ENGINE STALLING CONDITION.DURING THIS SSC, DEALERS WILL ALSO APPLY SPECIAL DIELECTRIC GREASE TO A TRANSAXLE CONNECTOR TO PREVENT WATER INTRUSION WHICH MAY ALSO CAUSE SIMILAR LIMITED OPERATION CONDITIONS.BASED ON ODI'S ANALYSIS, THIS REMEDY SHOULD ADDRESS MOST OF THE INCIDENTS RESULTING IN A LIMITED OPERATION MODE.GIVEN THESE CIRCUMSTANCES, FURTHER USE OF THE AGENCY RESOURCES IN THIS MATTER DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.

Unknown Or Other

ODI OPENED PE05-029 BASED ON 33 REPORTS OF ALLEGED GASOLINE ENGINE STALLING ON THE SUBJECT VEHICLES.THE SUBJECT VEHICLES ARE GASOLINE/ ELECTRIC HYBRID VEHICLES THAT CAN BE OPERATED IN GASOLINE OR ELECTRIC MODES, OR A COMBINATION OF BOTH DEPENDING ON THE POWER DEMAND.ALL REPORTS ALLEGE THAT THE GASOLINE ENGINE SHUT DOWN SUDDENLY WITHOUT WARNING.SOME OF THE COMPLAINANTS REPORTED THAT THE VEHICLE CONTINUED TO OPERATE USING THE ELECTRIC MODE FOR A PERIOD OF TIME AFTER THE GAS ENGINE STALLED AND SOME REPORTED THAT THE VEHICLE SHUT DOWN AT THE SAME TIME THAT THEY FELT THE GAS ENGINE STALLED.SOME CONSUMERS REPORTED THAT THEY WERE ABLE TO RESTART THE VEHICLE EITHER IMMEDIATELY OR AFTER ALLOWING THE VEHICLE SIT FOR A SHORT TIME, WHEREAS OTHERS REPORTED THAT THEY HAD THEIR VEHICLE TOWED.DURING PE05-029, ADDITIONAL FAILURE DATA WAS IDENTIFIED AS NOTED IN THE FAILURE REPORT SUMMARY ABOVE.THE COMPLAINT DATA REPRESENTS INCIDENTS WHERE ENGINE STALLING WAS ALLEGED OR WHERE THE VEHICLE WAS ALLEGED TO HAVE ONE OF THE VARIOUS CONDITIONS THAT CAUSES THE GAS ENGINE TO STALL.IN ITS AUGUST 26, 2005 RESPONSE TO ODI'S INFORMATION REQUEST, TOYOTA IDENTIFIED VARIOUS CONDITIONS THAT COULD CAUSE THE SUBJECT VEHICLES TO EXPERIENCE A GAS ENGINE STALL.IF THIS HAPPENS, THE DRIVER IS ALERTED BY AN AUDIBLE SOUND AND VARIOUS WARNING LIGHTS.THE VEHICLE WILL CONTINUE TO OPERATE IN THE ELECTRIC MODE AND THE ELECTRICALLY-POWERED BRAKE AND STEERING OPERATION WILL CONTINUE TO FUNCTION NORMALLY. ANALYSIS OF THE WARRANTY DATA INDICATED THAT OVER 97% OF VEHICLES EXPERIENCING A GAS ENGINE STALL RESULTED FROM AN ISSUE WITH THE PROGRAM LOGIC IN THE ELECTRONIC CONTROL MODULE (ECM) SYSTEM, WHICH MAY CAUSE THE ECM SYSTEM TO NOT START THE GAS ENGINE WHEN REQUIRED.AS A RESULT, THE VEHICLE WILL ENTER THE LIMITED OPERATION MODE DESCRIBED ABOVE.THE MAJORITY OF THE ODI COMPLAINTS ALSO INDICATED THAT THE DRIVER EXPERIENCED THIS CONDITION IN CONJUNCTION WITH THE ENGINE STALL. DURING OCTOBER 2005, TOYOTA INFORMED ODI THAT IT WOULD INITIATE A SPECIAL SERVICE CAMPAIGN (SSC) TO REPROGRAM THE ECM SOFTWARE ON APPROXIMATELY 75,000 MY 2004 AND EARLY 2005 SUBJECT VEHICLES TO ADDRESS THE GAS ENGINE STALLING CONDITION.DURING THIS SSC, DEALERS WILL ALSO APPLY SPECIAL DIELECTRIC GREASE TO A TRANSAXLE CONNECTOR TO PREVENT WATER INTRUSION WHICH MAY ALSO CAUSE SIMILAR LIMITED OPERATION CONDITIONS.BASED ON ODI'S ANALYSIS, THIS REMEDY SHOULD ADDRESS MOST OF THE INCIDENTS RESULTING IN A LIMITED OPERATION MODE.GIVEN THESE CIRCUMSTANCES, FURTHER USE OF THE AGENCY RESOURCES IN THIS MATTER DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.