Structure. Review the 278 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Suspension. Review the 109 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes. Review the 44 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

17 crash reports0 fire reports8 injury reports

Structure complaints

278 reports

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Mileage unknown · Sep 4, 2018

Structure

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RECALL: STRUCTURE OF TRUCK. I HAVE 2003 TOYOTA 4 RUNNER THAT IS RUSTING REAL BAD. THE STRUCTURE FRAME IS LOOSING A LOT OF RUST . I HAVE EVEN HAVE AT LEAST 3 WHOLES IN MY PASSENGER SIDE FRAME UNDER MY TRUCK. I SEE MANY OTHER PEOPLE ARE HAVING THIS ISSUE. I WOULD LIKE TO SEE SOMEONE LOOK INTO TO SEE WHY THIS IS HAPPENING AND TAKE ACTION BECAUSE I FEEL THIS WILL BECOME A SEROUS SAFETY ISSUE TO PEOPLE WHO ARE HAVING THIS ISSUE WITH THE STRUCTURE RUSTING OF THE TRUCK. I JUST HAD MY VEHICLE AT THE DEALER FOR WARRANTY WORK AND NOTHING WAS NOTED ON THE FINAL CHECKOUT PAPER WORK ABOUT THE SEROUS ISSUE WITH THE RUST. MY VEHICLE IS DRIVEN FOR DAILY USE NO OFF TOSSING OR CRAZY ACTIVITIES WITH MY VEHICLE. WE EVEN WASH OUR VEHICLE REGULARLY DOING THE WINTER MONTHS.... I SEE THEY HAVE DID A STRUCTURE RECALL TO ( TOYOTA TACOMA, TUNDRAS, AND SEQUIOS. I AM REALLY SURPRISED HOW THIS IS HAPPENING TO TONY VEHICLE. PLEASE NOTE THIS HAS BEEN A ISSUE FOR AWHILE WITH THE TRUCK WITH RUSTING IT JUST DID NOT START .

NHTSA ODI #11124432

99,000 miles · Aug 31, 2018

StructureUnknown Or Other

FRAME IS BADLY RUSTED. AFTER A MINOR ACCIDENT, THE BODY SHOP STATED THEY WERE UNABLE TO WELD IN A REPLACEMENT CROSSMEMBER DUE TO EXCESSIVE RUST. I UNDERSTAND TOYOTA HAS RECALLED FRAMES OF SIMILAR VEHICLES BUT NOT 4RUNNERS.

NHTSA ODI #11123776

164,000 miles · Aug 30, 2018

Structure

TL* THE CONTACT OWNS A 2003 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE DASHBOARD WAS CRACKED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO MOUNT AIRY TOYOTA (508 N ANDY GRIFFITH PKWY, MOUNT AIRY, NC 27030, (336) 786-2118), BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER INFORMED THE CONTACT THAT TH…

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NHTSA ODI #11123450

126,000 miles · Aug 26, 2018

Structure

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MY 4RUNNER HAS PARTS OF THE STRUCTURE WITH ABOVE AVERAGE RUST. THAT FRAME ELEMENT INTENDED TO HOLD THE SKID PLATE ON IS COMPLETELY RUSTING THROUGH. FOR FEAR OF SAFETY PERFORMANCE ISSUES IN THE EVENT OF A COLLISION I REFUSE TO DRIVE MY FAMILY IN THIS VEHICLE. IN ONE INSTANCE A STEEL PIECE DESIGNED TO STABILIZE THE MUFFLER POPPED OFF IT'S WELD WHILE I WAS DRIVING, CAUSING A POTENTIALLY DANGEROUS SITUATION TO THE CARS AROUND ME. I WAS DRIVING DOWN A HILL TO MY NEAR MY HOME AT THE TIME.

NHTSA ODI #11122369

174,000 miles · Aug 25, 2018

Structure

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WHILE DRIVING TO WORK ON AUGUST 22, 2018 MY POWER STEERING SUDDENLY GAVE OUT WHILE TURNING MAKING THE VEHICLE DIFFICULT TO MANEUVER. LUCKILY, I WAS ON CITY STREETS AND ONLY DOING 30 MPH. THE NEXT DAY I TOOK THE CAR TO THE MECHANIC TO HAVE THAT FIXED ALONG WITH AN OIL CHANGE AND OTHER NORMAL MAINTENANCE. THE MECHANIC CALLED ME AND INFORMED ME THAT HE FOUND THAT MY FRAME HAS SIGNIFICANT CORROSION TO THE POINT THAT THE FRAME WOULD MOST LIKELY FAIL IN THE NEXT FEW MONTHS. HE ALSO INFORMED ME THAT THE POWER STEERING HAD FAILED DUE TO CORROSION, AND SINCE THE FRAME AND OTHER COMPONENTS THAT NEEDED TO BE REMOVED TO ACCESS THE POWER STEERING WERE SO RUSTED THE LABOR NEEDED FOR THE REPAIR WOULD BE SIGNIFICANTLY HIGHER. THIS INCREASED COST PUT THE REPAIR ABOVE THE SALVAGE VALUE OF THE VEHICLE. MY OTHERWISE WONDERFUL VEHICLE HAS BEEN RENDERED USELESS BECAUSE OF THE FRAME CORROSION. I FEAR TO THINK WHAT COULD HAVE HAPPENED IF THIS FAILED ON THE HIGHWAY WHILE MY PREGNANT WIFE AND INFANT SON WERE IN THE CAR WITH ME.

NHTSA ODI #11122319

107,000 miles · Aug 24, 2018

Structure

I TOOK MY 2003 4RUNNER IN FOR ITS ROUTINE OIL CHANGE AND THE TECHNICIAN INFORMED ME MY CAR WAS UNSAFE TO DRIVE DO TO EXCESSIVE RUST AND CORROSION ON THE FRAME. MY VEHICLE IS IN PERFECT VISUAL CONDITION. I BELIEVE THIS IS A MAJOR SAFETY CONCERN.

NHTSA ODI #11122182

Mileage unknown · Aug 24, 2018

Structure

THE FRAME OF MY VEHICLE IS SUFFERING FROM EXTREME AND PREMATURE CORROSION AND RUSTING. THERE IS SIGNIFIANT ROTTING DUE TO RUST AND CORROSION ON PARTS OF THE FRAME. ALTHOUGH NO INCIDENT HAS YET TO OCCUR, I FEAR AN UNSAFE INCIDENT COULD OCCUR WHILE DRIVING DUE TO THE CORROSION AND RUST OF THE VEHICLE'S FRAME.

NHTSA ODI #11122080

100,000 miles · Aug 22, 2018

Structure

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TL* THE CONTACT OWNS A 2003 TOYOTA 4RUNNER. WHILE THE VEHICLE WAS STATIONARY AND WHILE DRIVING VARIOUS SPEEDS, THE FRAME BECAME SEVERELY RUSTED AND CORRODED OVER THE PERIOD OF TWO YEARS. THE CONTACT STATED THAT AN INDEPENDENT MECHANIC MADE A SERIES OF REPAIRS FOR THE FOLLOWING FAILURES: THE DRIVE SHAFT WAS RUSTED, THE TOW HOOKS DETACHED FROM THE VEHICLE, THE MUFFLER DETACHED FROM THE VEHICLE, AND THE FRAME FRACTURED INTO PIECES UPON THE CONTACT'S INITIAL ASSESSMENT OF THE DAMAGES. THE CONTACT STATED THAT THE SERIES OF FAILURES OCCURED DUE TO THE SEVERE RUST AND CORROSION OF THE FRAME. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000.

NHTSA ODI #11121682

190,000 miles · Aug 21, 2018

Structure

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MY 2003 TOYOTA 4RUNNER SPORT HAS EXPERIENCED EXTREME, AND DANGEROUS, LEVELS OF RUST ON THE FRAME CROSS BARS, DESPITE BEING WASHED REGULARLY. THE RUST APPEARS TO BE ORIGINATING FROM INSIDE THE SUPPORTS, AND I WAS ADVISED BY A TOYOTA DEALER MECHANIC THAT THE RUST COULD POTENTIALLY LEAD TO COMPLETE FRAME FAILURE IN THE VERY NEAR FUTURE. AT THIS POINT, SIZABLE AREAS HAVE RUSTED THROUGH ENTIRELY. I HAVE BROUGHT THIS TO THE ATTENTION OF TOYOTA, AND THEY HAVE REGULARLY REFUSED TO ACKNOWLEDGE THAT THERE IS ANY PROBLEM WITH THE FRAME.

NHTSA ODI #11121514

134,000 miles · Aug 21, 2018

Structure

03 4RUNNER HAS EXCESSIVE FRAME RUST NEAR REAR WHEEL AREA AND FRONT RADIATOR MOUNT.

NHTSA ODI #11121344

Official recalls

11V113000 · Vehicle Speed Control:accelerator Pedal

Feb 24, 2011

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2008 THROUGH 2011 LEXUS LX570, 2003 THROUGH 2009 TOYOTA 4RUNNER, AND 2006 THROUGH 2010 RAV4 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: THE REMEDY IS NOW AVAILABLE. THE SAFETY RECALL BEGAN EARLY APRIL 2011. THE REMEDY WILL INVOLVE MODIFICATION OR REPLACEMENT OF THE ACCELERATOR PEDAL AND REPLACEMENT OF ANY TOYOTA ALL-WEATHER FLOOR MAT. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331 OR LEXUS AT 1-800-255-3987.

03V146000 · Fuel System, Gasoline

Apr 14, 2003

ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH V6 ENGINES, THE FUEL PULSATION DAMPER, LOCATED ON THE FUEL RAIL, MAY HAVE BEEN IMPROPERLY ASSEMBLED, CAUSING A DIAPHRAGM IN THE PULSATION DAMPER TO BE DAMAGED. IF THE DIAPHRAGM FAILS, FUEL MAY LEAK.

Consequence & remedy

Consequence: THIS COULD RESULT IN AN ENGINE COMPARTMENT FIRE IF A HEAT SOURCE OR AN IGNITION SOURCE IS PRESENT.

Remedy: DEALERS WILL REPLACE THE PULSATION DAMPER. OWNER NOTIFICATION BEGAN MAY 5, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT TOYOTA AT 1-800-331-4331.

02V339000 · Wheels

Dec 17, 2002

ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH FIVE FACTORY ALLOY WHEELS (MODEL 6934 AND 6936), WITH FACTORY LLAT, AND WITH PORT INSTALLED WR4, FOUR ALLOY WHEEL UPGRADE PROCESSED AT THE JACKSONVILLE, FLORIDA PORT AND DISTRIBUTED BY SOUTHEAST TOYOTA DISTRIBUTORS IN THE STATES OF ALABAMA, FLORIDA, GEORGIA, NORTH AND SOUTH CAROLINA, WHEN THE VEHICLES WERE PROCESSED AT THE PORT, AN ALLOY TIRE/WHEEL UPGRADE WAS INSTALLED. THE UPGRADE INCLUDED 4 ALLOY WHEELS. THE ORIGINAL SPARE TIRE/ALLOY WHEEL WAS NOT CHANGED. THE SPARE TIRE REQUIRES THE USE OF A DIFFERENT STYLE OF WHEEL NUT TO ATTACH IT TO THE VEHICLE.

Consequence & remedy

Consequence: IF THE SPARE TIRE/WHEEL IS INSTALLED ON THE VEHICLE USING THE WHEEL NUTS PROVIDED FOR THE UPGRADE ALLOY WHEEL, DAMAGE TO THE WHEEL COULD RESULT AND COULD EVENTUALLY LEAD TO A LOOSE WHEEL.

Remedy: OWNERS WILL BE PROVIDED WITH DIFFERENT STYLE LUG NUTS, A WARNING LABEL FOR THE SPARE RE/ALLOY WHEEL, AND AN OWNER'S MANUAL ADDENDUM.

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

DP18002 · Frame Corrosion

Opened Aug 17, 2018 · Closed Mar 18, 2022

Status: closed (inferred from source dates) · Structure:frame And Members

On August 7, 2018, the Office of Defects Investigation (ODI) received a defect petition from Mr. Gary Weinreich alleging premature frame corrosion failure in model year (MY) 2002 - 2006 Toyota 4Runner vehicles. The petitioner based his request upon a corrosion-related front suspension failure he experienced in his MY 2005 Toyota 4Runner, a class action lawsuit settlement involving other Toyota products, and other complaints of underbody corrosion in Toyota 4Runner vehicles that he found in NHTSA?s online complaint database. The petitioner submitted a complaint to NHTSA documenting his experience (NHTSA ID 11098055). On August 17, 2018, ODI opened DP18-002 to evaluate the petitioner?s request. ODI?s evaluation included information provided by the petitioner regarding his vehicle, facts related to the class action lawsuit cited by the petitioner, and consumer complaint data received by NHTSA regarding underbody corrosion in third and fourth-generation Toyota 4Runner vehicles.The undercarriage of the petitioner?s vehicle exhibited severe corrosion damage indicative of seawater immersion. The vehicle?s service history shows that concerns with underbody corrosion were first noted by a Toyota dealer in a multi-point vehicle inspection performed on April 28, 2011. The invoice for that inspection noted ?severe and excessive amount of rust on the undercarriage and on the drive shaft transmission.? Two years later, on October 21, 2013, another multi-point inspection by a Toyota dealer observed further progression of underbody corrosion damage, noting: ?rust on shocks/struts and other components,? ?rust on exhaust system,? ?both splash shields severely rusted,? and ?undercarriage very rusty.? On July 17, 2017, approximately 10 months prior to experiencing the suspension failure incident, an independent repair facility performing routine oil change and brake maintenance informed the Petitioner of a concern with ?excessive frame corrosion? on his vehicle. The service history, severe general corrosion damage, failure age, and environment do not support the petitioner?s allegation of premature corrosion failure.ODI?s analysis of NHTSA complaint data identified fifteen incidents of front lower control arm failure in fourth-generation Toyota 4Runner sport utility vehicles. Two of the failures, including the petitioner?s vehicle, involve vehicles operated in ocean front communities with continuous exposure to aerosolized marine salts and potential exposure to seawater immersion. The remaining thirteen failures all involved vehicles owned or previously registered in states with the greatest use of deicing salts to treat road surfaces in winter months (?Salt states?). On average, the front lower control arm failures occurred after 13.1 years in service in highly corrosive environments. The failure ages and environments do not support the petitioner?s allegation of premature corrosion failure. NHTSA is authorized to issue an order requiring notification and remedy of a defect if the Agency?s investigation shows a defect in design, construction, or performance of a motor vehicle that presents an unreasonable risk to safety. 49 U.S.C. ?? 30102(a)(9), 30118. Since the information before the Agency is not indicative of a vehicle-based defect, it is unlikely that any investigation opened because of granting this petition would result in an order concerning the notification and remedy of a safety-related defect. Therefore, upon full consideration of the information presented in the petition and the potential risks to safety, the petition is denied. The denial of this petition does not foreclose the Agency from taking further action if warranted or the p

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