Problems · NHTSA complaints

2009 Toyota 4Runner problems

Owners filed 22 complaints about the 2009 Toyota 4Runner with NHTSA between Nov 2009 and Jun 2024. The most-cited component is power train (10).

Complaints
22
Filed with NHTSA
Crashes
4
Reported by owners
Fires
1
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Power train10
  2. Electrical system4
  3. Structure3
  4. Air bags2
  5. Steering2
  6. Suspension2
  7. Engine2
  8. Fuel system, gasoline2
  9. Engine and engine cooling2
  10. Vehicle speed control1
  11. Seats1
  12. Other / unknown2

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20092
20108
20111
20120
20133
20142
20150
20160
20171
20181
20191
20201
20210
20221
20230
20241

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Power train

10 reports
“TL* THE CONTACT OWNS A 2009 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE DRIVING AT LOW SPEEDS AND TURNING, THE VEHICLE LOST ACCELERATING POWER. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 24,000. UPDATED 03/21/13*LJ THE CONSUMER STATED THE TRANSMISSION SLIPPED (REVVED TO HIGH RPMS) WHILE ATTEMPTING TO ACCELERATE AFTER SLOWING DOWN BELOW 15 MPH (WHILE MAKING TURNS OR SLOWING FOR TRAFFIC). THIS HAS CAUSED DANGEROUS SITUATIONS WHERE SIGNIFICANT LAG TIME BETWEEN DEPRESSING THE GAS PEDAL AND WHEN THE TRANSMISSION ENGAGED WHILE MAKING A LEFT TURN ACROSS ONCOMING TRAFFIC OR WHEN A QUICK ACCELERATION WAS NEEDED AFTER SLOWING DOWN. THE POTENTIAL FOR AN ACCIDENT IS HIGH. TOYOTA SHOULD ADDRESS THE SITUATION BEFORE SOMEONE GETS INTO A SERIOUS ACCIDENT AS SEVERAL OTHER REPORTS OF THIS CONDITION HAVE BEEN REPORTED. THERE ARE A NUMBER OF COMPLAINTS ON THE INTERNET WITH THE SAME PROBLEM.”
Owner complaint to NHTSAFiled Feb 26, 2013Power trainODI 10500520

Electrical system

4 reports1 crash1 fire
“WHEN MY WIFE STEPPED ON THE GAS TO PULL INTO A PARKING SPOT,THE 4RUNNER JUST LURCHED FORWARD INTO A FENCE. LUCKILY NO ONE WAS IN FRONT OF THE 4RUNNER. THE BUMPER AND FENCE WAS DAMAGED. SHE IS NOW VERY SCARED TO DRIVE THE 4RUNNER. *TR”
Owner complaint to NHTSAFiled Aug 21, 2013Fuel system, gasoline, Electrical system, EngineCrash reportedODI 10536598

Structure

3 reports
“The contact owns a 2009 Toyota 4Runner. The contact stated while pulling out of a driveway, the contact observed a grinding noise coming from the front end of the vehicle and the steering wheel violently yanked to the right. Additionally, the contact stated that when the brake pedal was depressed, the vehicle pulled to the left inadvertently. The vehicle was stopped and inspected. The contact observed that the front passenger’s side tire was dangling by the rocker arm and the subframe. The vehicle was taken to the residence. The vehicle was then towed to an independent mechanic where it was diagnosed that the front passenger’s side subframe and the rocker arms needed to be replaced due to extreme corrosion. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 114,000.”
Owner complaint to NHTSAFiled Jun 13, 2024StructureODI 11594145

Air bags

2 reports2 crashes1 related recall
“TL* THE CONTACT OWNS A 2009 TOYOTA 4RUNNER. THE CONTACT STATED WHILE DRIVING 40 MPH, THEY CRASHED INTO A COW WHICH CAUSED DAMAGED TO THE FRONT OF VEHICLE. THE CONTACT WAS CONCERNED THE AIR BAGS FAILED TO DEPLOY. THERE WERE NO REPORTED INJURIES. A POLICE REPORT WAS FILED. THE LOCAL DEALER WAS NOT CONTACTED.THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS TOWED TO AN INDEPENDENT LOT. THE MANUFACTURER WAS CONTACTED HOWEVER NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS 145,000. *LN”
Owner complaint to NHTSAFiled Dec 3, 2020Air bagsCrash reportedODI 11377705

Steering

2 reports1 crash
“LESS THAN 80K MILES AND FRAME IS COMPLETELY ROTTING APART. WHILE DRIVING APPROXIMATELY 40 MPH I LOST CONTROL BECAUSE THE CONTROL ARM COMPLETELY SEPARATED FROM THE FRAME! COMPLETELY UNSAFE AND DEATH TRAPS”
Owner complaint to NHTSAFiled May 27, 2019Steering, Suspension, Unknown or otherCrash reportedODI 11210138

Suspension

2 reports1 crash
“EXCESSIVE RUST ON FRAME WITH JEOPARDIZED INTEGRITY AT JOINS CONNECTING BRAKES, FUEL LINES AND SUSPENSIONS SYSTEM.”
Owner complaint to NHTSAFiled May 13, 2017Suspension, Power train, StructureODI 10985534
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.