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
Complaints by component
One complaint can cite several components
- Power train10
- Electrical system4
- Structure3
- Air bags2
- Steering2
- Suspension2
- Engine2
- Fuel system, gasoline2
- Engine and engine cooling2
- Vehicle speed control1
- Seats1
- 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
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
2
8
1
0
3
2
0
0
1
1
1
1
0
1
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2009 | 2 |
| 2010 | 8 |
| 2011 | 1 |
| 2012 | 0 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 0 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 1 |
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.
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.”
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”
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.”
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”
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”
Suspension
2 reports1 crash
“EXCESSIVE RUST ON FRAME WITH JEOPARDIZED INTEGRITY AT JOINS CONNECTING BRAKES, FUEL LINES AND SUSPENSIONS SYSTEM.”
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.