AI Damage2017 Toyota 4runner: common problems
Owners of the 2017 Toyota 4runner filed 36 complaints with NHTSA, most often about service brakes and electrical system. The maker issued 116 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 36
- involving a crash
- 3
- Technical service bulletins (TSB)
- 116
What fails most often
- 1 Service brakes 25% of all complaints
- 2 Electrical system 14% of all complaints
- 3 Air bags 8% of all complaints
- 4 Structure 6% of all complaints
- 5 Engine 6% of all complaints
- 6 Vehicle speed control 6% of all complaints
- 7 Steering 6% of all complaints
- 8 Suspension 6% of all complaints
- Service brakes: 9 complaints (25% of all); manufacturer bulletins for this component: 7.
- Electrical system: 5 complaints (14% of all); manufacturer bulletins for this component: 24.
- Air bags: 3 complaints (8% of all), 2 of them with a crash reported by the owner; manufacturer bulletins for this component: 7.
- Structure: 2 complaints (6% of all); manufacturer bulletins for this component: 33.
- Engine: 2 complaints (6% of all); manufacturer bulletins for this component: 2.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 4 L · petrol · 6 cyl
- automatic, 5-speed
Drive: RWD, AWD, 4WD
Symptoms owners describe
How many of the 36 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 9 | 0 | 7 |
| Electrical system | 5 | 0 | 24 |
| Air bags | 3 | 2 | 7 |
| Structure | 2 | 0 | 33 |
| Engine | 2 | 0 | 2 |
| Vehicle speed control | 2 | 0 | 2 |
| Steering | 2 | 0 | 1 |
| Suspension | 2 | 0 | 1 |
| Fuel/propulsion system | 2 | 0 | 0 |
| Wheels | 1 | 0 | 3 |
| Seats | 1 | 0 | 2 |
| Seat belts | 1 | 0 | 1 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
On 7/22/2019, our 4runner rear-ended another vehicle on the freeway. Speed at the time of impact was approximately 55mpg after hard braking from approximately 65mph. None of the 4runner's airbags deployed. The entire front end is destroyed. See photos.
Tl* the contact owns a 2017 toyota 4runner. While driving approximately 35 mph, the curtain air bags located at the front driver and passenger doors, the rear curtain air bags located at the rear driver's door, and the rear passenger door air bags abruptly deployed.
For the 2nd time in 5 weeks, the main wiring harness and knock sensor have been eaten and destroyed by rodents. This has caused thousands of dollars worth of damage, and it's due to the soy based wiring used in the wiring harness.
2017 Toyota 4 runner SR5 While driving on the highway the vehicle stopped apparently the fuel pump stopped working and could not get going anymore. I had a mechanic come to the house with a PC and test it. He told me that’s a change that will need to take place in a garage.
When issue occurs, vehicle "stalls" and creates a dangerous situation that eventually will result is an accident.
Front struts are leaking which are causing the vehicle to drive inconsistently. The struts should not have to be replaced this soon when the vehicle is being used on normal condition roads.
Right now my car has 3 of the 4 door locks not working and the 4th just started acting up as well. I have checked for recalls because it doesn't make sense that they would go out yearly and the dealerships have even told me there should be recalls because my year 4runner always has lock issues.
My son's F-150 and my wife's Audi A4 both have very clear and distinct turn signal sounds that I can clearly hear over normal conversation or the radio playing. The Toyota does not. Why?
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,004 of 2,102 model years in the NHTSA data (top 48% most complained about).
On average one model year of the 4runner has 41 complaints (11 years in the data). This year has 36, about average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a…
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…
- Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free
This is caused by the phone Hands Free volume being too low.
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air…
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and…
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix…
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…
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used…
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…
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical…
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…
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal…
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…
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad…
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…
- Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a…
Some 2005 – 2024 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…
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal…
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.
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for…
This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life…
This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC)…
NHTSA lists 116 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2017 Toyota 4runner?
Owner complaints to NHTSA most often mention: service brakes, electrical system, air bags. Total complaints: 36. The most frequent symptoms in complaint texts: warning lights, check engine (14%), brake failure (8%), infotainment or screen glitches (8%).
How many service bulletins (TSB) were issued for the 2017 Toyota 4runner?
NHTSA lists 116 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2017 Toyota 4runner from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2017 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.