Service Brakes. Review the 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 74 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Hybrid Propulsion System. Review the 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

34 crash reports7 fire reports6 injury reports

What owners actually said

370 reports

134,000 miles · Sep 4, 2016

Service Brakes

BRAKES STOPPED WORKING THEN GRABBING. VERY DANGEROUS! NEEDS TO BE A RECALL ON THE ACTUATOR.

NHTSA ODI #10903579

135,000 miles · Jul 10, 2016

Electrical SystemPower Train

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WHILE DRIVING ON A MAJOR HIGHWAY AND IN THE FAST LANE GOING APPROXIMATELY 75/80 MPH MY 2006 TOYOTA HIGHLANDER HYBRID DIED AND FAILED TO DRIVE. THE PANEL ON THE DASH HAD A RED ! EXCLAMATION POINT, AND SAID CHECK HYBRID SYSTEM AND CHECK VSC SYSTEM. I WAS ABLE TO NAVIGATE MY VEHICLE TO THE RIGHT BREAKDOWN SHOULDER TO CALL FOR A TOW. TRIED TO START MY VEHICLE SEVERAL TIMES AND IT WOULD NOT START, BUT THE HAZARD LIGHTS AND INSTRUMENT PANEL CONTINUED TO LIGHT GIVING EVIDENCE MY NEW 12V BATTERY WAS FUNCTIONING PROPERLY. CALLED TOYOTA MOTOR USA AND ASKED WHAT RECALLS THEY HAVE LISTED FOR MY VEHICLE AND THEY ASKED FOR MY VIN. THEY TOLD ME THE ELECTRICAL INVERTER ASSEMBLY WAS COVERED FOR MY VIN. THEY GAVE ME THE NUMBER OF A TOW COMPANY TO CALL AND TOLD ME IT WAS COVERED BY TOYOTA AND I'D HAVE A RENTAL WAITING FOR ME. I HAD IT TOWED TO MY LOCAL DEALERSHIP AS DIRECTED, THEY FIXED SEVERAL OTHER RECALL ISSUES BUT NOT THIS ONE, SO WHEN I DROVE OFF THE LOT THE CAR DIED AGAIN. I MANAGED TO START THE VEHICLE AND DRIVE IT BACK ACROSS THE HIGHWAY INTO THE DEALERSHIP. AFTER SPEAKING WITH TOYOTA CORPORATION USA AGAIN, THEY APOLOGIZED AND SAID THEY MISINFORMED ME AND THAT MY VEHICLE WAS NOT PART OF THAT RECALL. HOWEVER, THEY PAID FOR MY TOW AND FOR MY RENTAL FOR 5 DAYS (THUS FAR). MY CASE NUMBER GIVEN FROM TOYOTA CORP IS 1607053248. I READ ONLINE THERE IS A CLASS ACTION SUIT REGARDING THIS ISSUE. KARL AND IRINA GAAL VS. TOYOTA MOTOR SALES, U.S.A., INC., A CALIFORNIA CORPORATION. VIA ATTY MIKE ARIAS. TOYOTA'S CUSTOMER EXPERIENCE HAS PUT IN A REQUEST FOR ME TO SPEAK WITH A SUPERVISOR AND THE TOYOTA DEALERSHIP'S GM IN MY AREA IS ALSO WORKING ON THIS ISSUE AS IT'S STILL PENDING.

NHTSA ODI #10883820

105,000 miles · Jul 5, 2016

Steering

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TL* THE CONTACT OWNS A 2006 TOYOTA HIGHLANDER HYBRID. WHILE DRIVING AR ANY SPEED, THE POWER STEERING WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE STEERING WHEEL BECAME VERY DIFFICULT TO TURN. WHEN THE CONTACT TURNED OFF AND RESTARTED THE VEHICLE, THE STEERING RETURNED TO NORMAL. THE STEERING FAILURE OCCURRED INTERMITTENTLY. THE APPROXIMATE FAILURE MILEAGE WAS 105,000. UPDATED 09/06/16*LJ THE CONSUMER STATED THE POWER STEERING DIDN'T ALWAYS RETURN. SOMETIMES, THE CONSUMER HAD TO SIT FOR SEVERAL HOURS. UPDATED 09/08/16.*JB

NHTSA ODI #10882591

105,200 miles · Jun 22, 2016

Steering

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IT IS A 2006 HIGHLANDER HYBRID WITH 105200 MILES AND WELL MAINTAINED.. IT LOOSES POWER ASSIST IN STEERING AT ALL SPEEDS INTERMITTENTLY. IT IS VERY DANGEROUS AS I HAVE TO PUT LOT OF MUSCLE IN STEERING AT LOW SPEEDS BUT IT HAD LOST POWER ASSIST EVEN AT 65 MPH AS WELL WHICH MADE ME VERY NERVOUS. I CANNOT DRIVE THE VEHICLE AS THE POWER STEERING P/S LIGHT COMES ON MOST OF THE TIMES NOW. ONLY ONCE A WHILE IT IS OFF WHICH IS WHEN I DRIVE BUT FEW MILES OF DRIVING GETS THE LIGHT BACK ON WITH NO POWER ASSIST. I HAVE SEEN MANY PEOPLE IN FORUMS WITH THE SAME PROBLEM FOR THAT YEARS HYBRIDS. THEREFORE I AM REQUESTING TO HELP ME OUT WITH EITHER A RECALL OR GETTING THIS FIXED AT MY LOCAL ROCHESTER MN DEALERSHIP. ANYTHING YOU COULD DO AT THE EARLIEST WOULD BE APPRECIATED.. CUSTOMER REQUEST TO BE REMOVED FROM COMPLAINT LIST, CELL PHONE , ADDRESS. NOT TO BE CONTACTED. UPDATED 08/12/16*LJ UPDATED 6/18/18*JB

NHTSA ODI #10875791

175,000 miles · Jun 20, 2016

Electrical SystemEngine

TL* THE CONTACT OWNS A 2006 TOYOTA HIGHLANDER HYBRID. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED A TOTAL LOSS OF POWER WHILE DRIVING 35 MPH. AS A RESULT, THE VEHICLE WAS NO LONGER OPERABLE. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE …

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NHTSA ODI #10875309

119,000 miles · Jun 19, 2016

Service Brakes

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WHILE STOPPING OR STOPPED WITH MY FOOT ON THE BRAKE PEDAL, THERE'S A CLICKING SOUND. I HAVE FOUND THAT IT'S COMING FROM THE ABS BRAKE ACCUMULATOR. THERE HAVE BEEN A COUPLE INSTANCES WHERE I'M PRESSING THE BRAKE PEDAL AND IT STARTS TO SLOW DOWN, THEN FEELS LIKE THE BRAKES RELEASE, THEN GRAB AGAIN SLOWING THE VEHICLE TO A STOP. I'VE ALMOST CRASHED A COUPLE TIMES. I'VE HEARD AND READ OF MANY PEOPLE HAVING THE SAME ISSUE WITH THIS SYSTEM AND SOME HAVE EVEN HAD ACCIDENTS DUE TO THIS. TO ME, IT SEEMS LIKE THIS WOULD BE AN IDEAL CANDIDATE FOR A RECALL, ESPECIALLY SINCE THE REPAIR CAN BE UP TO $4,000 AND MOST PEOPLE DON'T HAVE THAT MUCH THAT THEY CAN JUST PAY OUT AT A GIVEN MOMENT. ALSO, WHEN TURNING THE KEY TO ON, THE ACCUMULATOR HAS STARTED MAKING A LOUD BUZZING NOISE FOR 10-15 SECONDS. PLEASE CONSIDER THIS SYSTEM FOR IMMEDIATE RECALL TO HELP PREVENT ANY MISHAPS.

NHTSA ODI #10875147

72,900 miles · Jun 16, 2016

Service BrakesCrashInjury

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MY SPEED WAS ABOUT 30 MPH; SPEED LIMIT WAS 40MPH. I WAS DRIVING NORTH-BOUND APPROACHING AN INTERSECTION. UP AHEAD, I SAW THAT TRAFFIC WAS STOPPING AND THE LIGHT WAS RED. I HAD PLENTY OF TIME TO SLOW TO A STOP, AND I STARTED TO EVEN THOUGH I WAS BACK ABOUT 15 CAR LENGTHS FROM THE CARS AHEAD. WHEN I STARTED PUSHING ON THE BRAKE, MY CAR IMMEDIATELY 'DIED' BUT THE CAR KEPT ROLLING FORWARD, EVEN THOUGH I CONFIRMED MY FOOT WAS ON THE BRAKE. I WAS VERY STARTLED THAT THE CAR KEPT ROLLING WITH BRAKE APPLIED. BEFORE I COULD THINK ABOUT WHAT TO DO NEXT, THE CAR THEN RUMBLED AND SHOOK, AND THE ENGINE MADE A REVVING SOUND. THEN THE CAR JUST SPED UP INCREMENTALLY FASTER AND FASTER EVEN AS I DESPERATELY CONTINUED TO SHOVE HARD ON THE BRAKE. I YELLED "WHAT'S IT DOING?' I QUICKLY WONDERED IF I SHOULD PULL THE KEY OUT OF THE IGNITION BUT FELT THAT WAS THE WRONG THING TO DO. AS THE CAR WENT FASTER, I WENT INTO ABSOLUTE PANIC. I COULD NOT STOP THE CAR. I DIDN'T KNOW HOW TO MISS HITTING ANYONE. I WAS DESPERATE TO AVOID CARS, BUT I WAS COMPLETELY UNABLE TO STOP MY CAR EVEN AS I CONTINUED PUSHING HARD ON THE BRAKE. THEN I HIT THE CAR IN FRONT OF ME AT THE LIGHT. I TRULY BELIEVE THIS WAS AN UNINTENDED BRAKE ACCELERATION. I AM DEEPLY COMPELLED TO REPORT THIS SO THAT THE CAUSE AND RESOLUTION MAY BE FOUND BEFORE OTHERS ARE SERIOUSLY HURT OR KILLED. I SUFFERED A FRACTURED BACK AND WAS IN THE HOSPITAL 4 DAYS; AND DRIVER I RAN INTO WAS HURT AS WELL REQUIRING HOSPITAL ATTENTION. BOTH THE 3RD PARTY COMPANY FOR TOYOTA WHO DOWNLOADED THE DATA BOX AND TOYOTA SAY THE BRAKES WERE NOT APPLIED; THAT IS NOT FACTUALLY UNTRUE! THE DATA COMPUTER PRINT-OUT SHOWS WHAT TOOK PLACE PRIOR TO THE IMPACT. IN FACT, IT SHOWS THAT THE ACCELERATOR CONTINUED TO ACCELERATE UP TO THE POINT OF IMPACT WHICH TELLS US THAT THE COMPUTER TOOK OVER THE ACTIONS OF THE CAR AND DISENGAGED THE BRAKES.

NHTSA ODI #10874705

15 miles · Jun 7, 2016

Service Brakes

DEALER STATED THAT BRAKE ACTUATOR NEEDS TO BE REPLACED. BRAKES ARE NOT WORKING< VSC LIGHT ON< NOISE< $3200.00 TO FIX??? NO RECALL?

NHTSA ODI #10872873

273,000 miles · May 26, 2016

Service Brakes

MY ABS PUMP/ACTUATOR STARTED MAKING A WEIRD SOUND AND RUNS A LOT. I WAS TOLD THAT IT NEEDS TO BE REPLACED AND WAS QUOTED $3200. I HAVE A CHECK VSC MESSAGE, BRAKE LIGHT, AND ABS LIGHT ON NOW AS WELL.

NHTSA ODI #10870918

144,000 miles · May 23, 2016

Service Brakes

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WE PURCHASED A TOYOTA HIGHLANDER WITH THE HOPES OF GETTING A RELIABLE TRANSPORTATION VEHICLE DUE TO ITS HIGH RATINGS AND REPORTED RELIABILITY...SADLY, I WAS MISTAKEN WHEN THE ABS BRAKES FAILED TO RESPOND AND I NEARLY GOT INTO A HORRIBLE ACCIDENT DRIVING THE CAR ON THE HIGHWAY. UPON GETTING THE VEHICLE LOOKED AT, IT WAS ASCERTAINED THAT THE ABS ACTUATOR ASSEMBLY WAS TO BLAME. THE COST!!!!!!!!! $1,900 AND NO RECALL ON A PART THAT SHOULD LAST THE LIFETIME OF THE VEHICLE!!!!!! I COULD OF BEEN KILLED IN THIS FAULTY CONTRAPTION DUE TO MANUFACTURERS NEGLIGENCE.

NHTSA ODI #10870454

Official recalls

13V396000 · Hybrid Propulsion System: Inverter

Sep 4, 2013

Toyota is recalling certain model year 2006-2010 Highlander hybrid vehicles manufactured February 16, 2005, through July 29, 2010; and model year 2006-2008 Lexus RX400h vehicles manufactured February 23, 2005, through December 2, 2008. The Intelligent Power Module (IPM) inside the inverter module may contain transistors that have higher operating temperatures than the solder can support and the transistors may be heat damaged by the solder. If this occurs, various warning lamps, including the malfunction indicator lamp, slip indicator light, brake system warning light, and master warning light, will be illuminated on the instrument panel.

Consequence & remedy

Consequence: The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle. It is possible that the hybrid system will shut down while the vehicle is being driven, causing the vehicle to stall unexpectedly, increasing the risk of a crash.

Remedy: Toyota will notify owners, and dealers will replace the IPM free of charge. Owners may contact Toyota at 1-800-331-4331. Vehicles that had their IPM replaced under recall 11V-342 are not affected by this campaign.

11V539000 · Engine And Engine Cooling

Nov 9, 2011

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004 AVALON VEHICLES; 2004 AND 2005 CAMRY, CAMRY SOLARA, HIGHLANDER, AND SIENNA VEHICLES, 2006 HIGHLANDER HYBRID; 2004 AND 2005 LEXUS ES330 AND RX330; AND 2006 LEXUS RX400H VEHICLES MANUFACTURED FROM JUNE 1, 2004 THROUGH MARCH 31, 2005, EQUIPPED WITH THE 1MZ-FE OR 3MZ-FE ENGINE. THE AMOUNT OF ADHESIVE AGENT APPLIED BETWEEN THE OUTER RING AND THE TORSIONAL RUBBER DAMPER (INNER RING) IN THE CRANKSHAFT PULLEY MAY BE INADEQUATE. IF THE ADHESIVE IS INSUFFICIENT, THERE IS A POSSIBILITY THAT THE OUTER RING MAY BECOME MISALIGNED AND IT MAY NOT PROPERLY ROTATE WITH THE INNER RING, CAUSING NOISE AND/OR ILLUMINATION OF THE BATTERY DISCHARGE INDICATOR LIGHT.

Consequence & remedy

Consequence: IN SOME CASES, THE BELT FOR THE POWER STEERING PUMP MAY BECOME DETACHED FROM THE PULLEY WHICH COULD RESULT IN A LOSS OF POWER STEERING AND A SUDDEN INCREASE IN STEERING EFFORT, INCREASING THE RISK OF A CRASH.

Remedy: TOYOTA WILL NOTIFY OWNERS, AND DEALERS WILL CHECK THE CRANKSHAFT PULLEY TO IDENTIFY WHETHER IT WAS PRODUCED BY THE U.S. SUPPLIER. IF SO, THE DEALER WILL REPLACE THE PULLEY WITH A NEW ONE AT NO CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING EARLY JANUARY 2012. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

11V342000 · Electrical System

Jun 29, 2011

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2006-2007 HIGHLANDER HYBRID AND LEXUS RX400H PASSENGER CARS MANUFACTURED FROM FEBRUARY 16, 2005, THROUGH AUGUST 30, 2006. A MODULE INSIDE THE INVERTER MODULE MAY CONTAIN INADEQUATELY SOLDERED TRANSISTORS THAT DURING HIGH-LOAD DRIVING, MAY BE DAMAGED BY HEAT CAUSED BY THE LARGE CURRENT. IF THIS OCCURS, VARIOUS WARNING LAMPS, INCLUDING THE MALFUNCTION INDICATOR LAMP, SLIP INDICATOR LIGHT, BRAKE SYSTEM WARNING LIGHT, AND MASTER WARNING LIGHT, WILL BE ILLUMINATED ON THE INSTRUMENT PANEL.

Consequence & remedy

Consequence: THE VEHICLE MAY ENTER A FAIL-SAFE/LIMP-HOME MODE THAT LIMITS THE DRIVABILITY OF THE VEHICLE. IT IS POSSIBLE THAT THE HYBRID SYSTEM WILL SHUT DOWN WHILE THE VEHICLE IS BEING DRIVEN, CAUSING THE VEHICLE TO STALL UNEXPECTEDLY, INCREASING THE RISK OF A CRASH.

Remedy: TOYOTA/LEXUS MAILED AN INTERIM OWNER NOTIFICATION ON JULY 19, 2011 TO ADVISE OWNERS OF THIS RECALL AND THE FACT THAT THEY WILL RECEIVE A FUTURE NOTICE WHEN PARTS BECOME AVAILABLE TO COMPLETE REPAIRS. TOYOTA DEALERS WILL INSPECT THE HYBRID INVERTER PRODUCTION NUMBER TO DETERMINE WHETHER THE INVERTER CONTAINS SUSPECT TRANSISTORS AND REPLACE THE MODULE FREE OF CHARGE. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

11V112000 · Vehicle Speed Control:accelerator Pedal

Feb 24, 2011

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004-2006 HIGHLANDER, HIGHLANDER HYBRID, AND MODEL YEAR 2004-2007 LEXUS RX330, RX350, AND RX400H VEHICLES. IF THE FORWARD RETENTION CLIP USED TO SECURE THE FLOOR CARPET COVER, WHICH IS LOCATED IN FRONT OF THE CENTER CONSOLE, IS NOT INSTALLED PROPERLY THE COVER MAY LEAN TOWARD THE ACCELERATOR PEDAL AND INTERFERE WITH THE ACCELERATOR PEDAL ARM.

Consequence & remedy

Consequence: IF THIS OCCURS, THE ACCELERATOR PEDAL MAY TEMPORARILY BECOME STUCK IN A PARTIALLY DEPRESSED POSITION RATHER THAN RETURN TO THE IDLE POSITION. A STUCK ACCELERATOR PEDAL MAY RESULT IN UNINTENDED AND SUSTAINED VEHICLE SPEEDS AND MAKE IT DIFFICULT TO STOP, INCREASING THE RISK OF A VEHICLE CRASH.

Remedy: DEALERS WILL REPLACE THE FLOOR CARPET COVER WITH A NEWLY DESIGNED ONE FREE OR CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING MARCH 2011. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

09V223000 · Equipment:other:labels

Jun 15, 2009

TOYOTA IS RECALLING 27,080 MODEL YEAR 2005 THROUGH 2010 PASSENGER CARS BUILT FROM SEPTEMBER 1, 2005 TO MAY 4, 2009. THESE VEHICLES WERE NOT EQUIPPED WITH LOAD CARRYING CAPACITY MODIFICATION LABELS WHICH FAILS TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS."

Consequence & remedy

Consequence: INCORRECT LOAD CARRYING CAPACITY MODIFICATION LABELS COULD RESULT IN THE VEHICLE BEING OVERLOADED, INCREASING THE RISK OF A CRASH.

Remedy: TOYOTA WILL NOTIFY OWNERS AND PROVIDE THEM WITH A NEW, ACCURATE LABEL TO BE INSTALLED OVER THE INACCURATE LABEL FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 18, 2009. OWNERS MAY CONTACT TOYOTA AT 1-888-270-9371.

06V253000 · Vehicle Speed Control:accelerator Pedal

Jul 13, 2006

ON CERTAIN SPORT UTILITY AND HYBRID VEHICLES, THE TWO RETAINING CLIPS FOR THE DRIVER'S SIDE FORWARD CENTER CONSOLE CAN BECOME LOOSE. IF BOTH CLIPS SEPARATE FROM THE FLOOR CARPET COVER, THE COVER MAY LEAN TOWARD THE ACCELERATOR PEDAL, CAUSING INTERFERENCE WITH THE ACCELERATOR PEDAL ROD.

Consequence & remedy

Consequence: THIS CONDITION MAY INTERFERE WITH THE ACCELERATOR PEDAL RETURNING TO THE IDLE POSITION INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE TWO FLOOR CARPET COVER RETAINING CLIPS FREE OF CHARGE. THE RECALL BEGAN ON JULY 24, 2006, AND SHOULD BE COMPLETED BY EARLY SEPTEMBER 2006. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331 OR LEXUS AT 1-800-255-3987.

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

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.

PE11005 · Hybrid Inverter Failure - Vehicle Stall

Opened Feb 15, 2011 · Closed Jul 20, 2011

Status: closed (inferred from source dates) · Hybrid Propulsion System: Inverter

In a June 29, 2011 letter to NHTSA, Toyota submitted a Defect Information Report regarding a safety recall of certain Toyota Highlander Hybrid and Lexus RX400h vehicles to address a defect condition with the hybrid inverter assembly (NHTSA Recall No. 11V-342).Toyota's letter identified a defect related to inadequately soldered transistors on the Intelligent Power Module (IPM) of some of the subject vehicles that could result in sudden loss of power while driving.Toyota's remedy procedure instructs dealers to inspect the hybrid inverter production number to determine if the inverter contains suspect transistors.If so, the dealer will replace the IPM.The recall covers approximately 45,528 model year (MY) 2006 and 2007 Toyota Highlander Hybrid vehicles manufactured from February 16, 2005 through August 29, 2006 and approximately 36,745 MY 2006 and 2007 Lexus RX400h vehicles manufactured from February 23, 2005 through August 30, 2006.This Preliminary Evaluation is closed.

RQ10003 · Unintended And Uncontrolled Acceleration

Opened Feb 16, 2010 · Closed Mar 1, 2011

Status: closed (inferred from source dates) · Electrical System:software; Vehicle Speed Control:accelerator Pedal

On February 16, 2010, NHTSA's Office of Defects Investigation (ODI) opened RQ10-003 to determine whether the scope of prior Toyota recalls relating to potential unintended acceleration were sufficiently broad, including, among others, Toyota recalls 07E-082, 09V-388, 10V-017, and 10V-023.NHTSA also requested information regarding potential electronic causes of unintended acceleration in Toyota and Lexus vehicles.I. Pedal Interference from Floor mats, Carpet Covers and Plastic Pads in Carpets.During the RQ10-003 investigation, ODI reviewed a large volume of documents to assess whether additional vehicles should be recalled.Following the agency's analysis, NHTSA requested that Toyota recall additional vehicles.Toyota complied with the agency's request.The details of these recalls are set forth more fully in Toyota's reports to NHTSA pursuant to 49 CFR Part 573.These recalls are as follows:Recall 11V-112: (1) model year (MY) 2004-2006 Toyota Highlander and Highlander Hybrid; and, (2) MY 2004-2007 Lexus RX330,RX350, and RX400h (hybrid model). The total estimated population under this recall is 769,379 vehicles.This recall remedies potential accelerator pedal entrapment caused by a loose floor carpet cover (trim panel). Recall 11V-113: (1) MY 2003-2009 through 2009 Toyota 4Runner; (2) MY 2006-2010 Toyota RAV4; and, (3) MY 2008-2011 Lexus LX570.The total estimated population under this recall is 1,381,000 vehicles.This recall supplements recall 09V-388 and remedies potential accelerator pedal entrapment by an unsecured floor mat.Recall 11V-115: (1) MY 2006-2007 Lexus GS300 (all wheel drive vehicles); and, (2) MY 2006-2007 Lexus GS350 (all wheel drive vehicles). The total estimated population under this recall is 19,647 vehicles.This recall remedies potential accelerator pedal entrapment caused by inadequate clearance between the pedal linkage and a plastic pad embedded in the vehicle's carpet.II. Potential Electronic Causes of Unintended Acceleration.After NHTSA opened RQ10-003, NHTSA launched a ten-month study of potential electronic causes of unintended acceleration in Toyota vehicles.NHTSA launched the study in the spring of 2010 in light of concerns aired in Congressional hearings.NHTSA enlisted engineers at the National Aeronautics and Space Administration (NASA) with expertise in areas such as computer controlled electronic systems, electromagnetic interference and software integrity to assess whether electronic systems or electromagnetic interference played a role in incidents of unintended acceleration in Toyota vehicles.That study has concluded.Two reports are associated with the study and are available on NHTSA's website.NASA's report is entitled Technical Support to the National Highway Traffic Safety Administration (NHTSA) on the Reported Toyota Motor Corporation (TMC) Unintended Acceleration (UA) Investigation, NESC Assessment No. TI-10-00618 (Jan. 18, 2011).NHTSA's report is entitled Technical Assessment of Toyota Electronic Throttle Control (ETC) Systems (Feb. 2011).Both reports should be read in conjunction with each other. As stated in its report, NASA did not find an electronic cause of large throttle openings that can result in unintended acceleration incidents. NHTSA did not find a vehicle-based cause of unintended acceleration incidents other than the physical pedal interference causes that are being addressed by Toyota's recalls. This RQ is closed.

Additional source detail variants (6)

Electrical System:software

Vehicle Speed Control:accelerator Pedal