2006 Toyota 4runner problems, complaints & recalls
Most-reported problem areas: Structure:body (103) · Suspension (40) · Air Bags (19)
🧭 Reliability snapshot
Compared against other Toyota 4runner model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
269 NHTSA complaints that reported an odometer reading.
Safety recalls (5)
Seats:front Assembly:seat Heater/Cooler 2016-06-02 · campaign 16V396000 · 7,749 vehicles
Defect: Southeast Toyota Distributors, LLC (SET) is recalling certain 2005-2011 4Runner, Highlander, Sequoia, and Sienna, 2005-2010 Avalon and Tundra, 2006-2008 Camry Solara, 2006-2010 Highlander hybrid, 2006-2011 Rav4 and Tacoma, 2007-2010 FJ Cruiser, 2007-2011 Camry hybrid, 2009-2010 Venza, 2010-2012 Prius, 1988-1990 and 2005-2010 Camry, and 1989 and 2009-2010 Corolla vehicles equipped with aftermarket accessory seat heaters with a copper strand heating element. The electrical wiring in the seat heat
Risk: If damaged, the copper strand heating element may short circuit, increasing the risk of a fire.
Fix: SET will notify owners, and dealers will disconnect the seat heaters, free of charge, and refund the purchase price of the seat heater accessory. The recall began on July 14, 2016. Owners may contact SET customer service at 1-866-405-4226. SET number for this recall is SET16B.
Air Bags:side/Window 2016-02-05 · campaign 16V065000 · 320,409 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2003-2006 Toyota Land Cruiser and Lexus LX470, 2005-2006 Toyota Tundra and Sequoia, 2004-2006 Toyota 4Runner and Lexus GX470 vehicles equipped with side curtain-shield-air bags. The affected vehicles have an air bag control module that may be improperly programmed, causing the side curtain-shield-air bags to deploy inadvertently.
Risk: If the side curtain-shield-air bags deploy unexpectedly, it can increase the risk of occupant injury.
Fix: Toyota will notify owners, and dealers will replace the air bag control module with one that has improved programming, free of charge. The recall began on December 1, 2016. Owners may contact Toyota customer service at 1-888-271-9371. Toyota's number for this recall is G0C and GLB.
Vehicle Speed Control:accelerator Pedal 2011-02-24 · campaign 11V113000 · 1,363,244 vehicles
Defect: 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.
Risk: 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.
Fix: 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.
Equipment:other:labels 2010-02-03 · campaign 10V035000 · 271,417 vehicles
Defect: GULF STATES TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2010 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD BETWEEN SEPTEMBER 1, 2005 AND JUNE 2, 2008 WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.
Risk: THIS DOES NOT MEET THE STANDARD REQUIREMENTS.
Fix: DEALERS WILL MAIL TO CONSUMERS THE CORRECTED LABEL OR THE CUSTOMER WILL HAVE THE OPTION FOR DEALERS TO INSTALL THE LABEL FREE OF CHARGE. DEALERS WILL ALSO CORRECT THE OWNER'S MANUAL. THE SAFETY RECALL BEGAN ON MAY 27, 2010. OWNERS MAY CONTACT GULF STATES TOYOTA AT 713-580-3300.
Equipment:other:labels 2010-02-03 · campaign 10V036000 · 153,418 vehicles
Defect: SOUTHEAST TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2011 PASSENGER VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.
Risk: A DRIVER MAY OVERLOAD A VEHICLE WHICH MAY INCREASE THE RISK OF A CRASH.
Fix: DEALERS WILL MAIL TO CONSUMERS THE CORRECTED LABEL OR THE CUSTOMER WILL HAVE THE OPTION FOR DEALERS TO INSTALL THE LABEL FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 27, 2010. OWNERS MAY CONTACT SOUTHEAST TOYOTA AT 1-800-301-6859.
Service bulletins (199)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-01-07 · T-SB-0055-24 Rev2 · Service Bulletin/Repair Instructions
some 2005 – 2026 toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. follow the procedures in this bulletin to remediate the odor and address this condition. the purpose of this service bulletin is to provide general guidelines and procedures
Structure:body 2024-12-06 · T-SB-0039-24 Rev2 · Service Bulletin/Repair Instructions
the condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. if these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof,
Structure:body 2024-12-06 · T-SB-0038-24 Rev2 · Service Bulletin/Repair Instructions
to prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. the purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer.
Structure:body 2024-12-06 · T-SB-0035-24 Rev2 · Service Bulletin/Repair Instructions
acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. if these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfa
Structure:body 2024-12-05 · T-SB-0061-23 Rev2 · Service Bulletin/Repair Instructions
toyota vehicles are currently protected with rapgardtm protective film designed to protect the horizontal painted surfaces. this material protects from acid rain, environmental fallout, and rail contamination. follow the removal procedure in this bulletin to remove the rapgardtm protective film wi
Structure:body 2024-12-03 · T-SB-0062-23 Rev2 · Service Bulletin/Repair Instructions
vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. this type of contamination can be identified by the presence of small, red or brown particles on the paint surfa
Showing the 6 most recent of 199 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-09-04 · Unknown Or Other“during routine maintenance, we noticed frame rot. …”
2026-06-14 · Unknown Or Other“unknown, vehicle started to leak a fluid, took vehicle to mechanic shop they said frame rotted to the point they would not let me drive it home had to have it towed and now without transportation. the almost identical frames on other toyota vehicles were recalled for exactly the same problem. i dont understand why toyota will stand behind some of t…”
2026-04-22 · Structure:body“frame is rotting away. the tacomas, tundras, sequoia were recalled for this issue. the tacomas frame is very close in design to the 4runner. the main difference is the 4runner uses coil springs whereas the tacoma used leaf springs. toyota stated that because the 4runner was made in japan unlike the others that were made in the usa, that the 4runner…”
2025-12-09 · Visibility/Wiper“myself and my fiancee were driving to our family's home, the rear defrost was on due to foggy windows as we were driving down the road there was a loud noise from the back half of the 4 runner. i had turned and looked back behind me and the rear hatch window was completely shattered. its still intact in the window frame but about to fall out. this …”
2025-09-11 · Structure:body“the frame under the car rusted so much that the gas tank literally fell through the frame to the ground. this put my son at risk and fortunately he was able to pull over in a residential area and exit the vehicle. a mechanic and welding company both assessed the vehicle and acknowledged the u unusual and excessive rusting. in researching online…”
2025-07-17 · Structure:body“dangerous and rusted through frame. the vehicles frame should have been recalled like the other toyotas affected. …”
2025-02-09 · Unknown Or Other“we took the vehicle in for inspection and it failed due to the exhaust leaks, and more importantly the frame rusting out. we never received the recall notice for this issue. we have owned this vehicle for many years, so there is no reason we would not have been notified for the recall of the frame. the vehicle was just serviced last year and we …”
2024-12-12 · Suspension“my 4runner have major frame rust issues and is a major safety hazard. this a known issue to toyota and a recall needs to be made. …”
2024-11-08 · Air Bags · 💥 crash“the contact owned a 2006 toyota 4runner. the contact stated that her son was driving at an unknown speed when another vehicle pulled in front of them to change lanes without warning causing her son to t-bone the vehicle and sending the other driver's vehicle to spin crashing into other vehicles nearby. the air bags deployed however their son receiv…”
2024-05-08 · Wheels“unknown, found excessive rust on undercarriage …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.