1999 Toyota 4RUNNER problems & reliability
220 owner complaints filed with NHTSA for the 1999 Toyota 4RUNNER. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
6 complaints report injuries (7 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure → | 111 | 50% |
| Suspension → | 61 | 28% |
| Unknown OR Other | 34 | 15% |
| Power Train → | 17 | 8% |
| Steering → | 14 | 6% |
| Fuel System, Gasoline → | 13 | 6% |
| Electrical System → | 10 | 5% |
| Fuel/propulsion System | 8 | 4% |
| Service Brakes | 7 | 3% |
| Wheels | 7 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 167,000 miles (middle 50% between 130,000 and 200,100 miles), based on 177 complaints that included mileage.
Complaints by incident year
What owners report
“The frame above the RT rear tire has rusted completely through. It's where the rear end bolts to the frame, at a wedge welded to the frame with bolt holes in it. It's like it wants to flip over and darts left or right every time there's a dip or rough spot in the road. I chained it and put a tow strap around…”
Suspension · filed Jun 25, 2023
“The contact's wife owns a 1999 Toyota 4Runner. The contact stated that while his daughter was driving at a slow speed, the back end of the vehicle began to wobble. The contact stated that his daughter pulled the vehicle into a parking lot and had the vehicle towed to the contact's home. The vehicle was inspected and…”
Suspension · filed Sep 30, 2022
“The component that is failing is the frame. The vehicle is available for inspection upon request. The safety of myself and others is at risk due to the frame falling apart due to the lack of integrity. The lack of integrity and strength is from oxidation or major rust. The vehicle has not been inspection by a 3rd…”
Unknown OR Other · filed Oct 18, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
49 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1999 Toyota 4RUNNER. The 10 most recent:
OBSOLETE NOTICE January 22, 2024: This bulletin is now obsolete. Please see T-SB-0057-18.
T-SB-0043-14 · Service Bulletin/Repair Instructions · issued Jan 22, 2024
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be…
TSB003220 · Service Bulletin/Repair Instructions · issued Aug 17, 2023
TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the…
T-SB-0057-18 · Service Bulletin/Repair Instructions · issued May 30, 2023
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions
TTT063620 · Service Bulletin/Repair Instructions · issued Mar 17, 2022
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be…
Toyota PRO19-02 · Service Bulletin/Repair Instructions · issued Jan 12, 2022
Toyota Safety Recall and Service Campaign - Technician Certification Requirements
Toyota Safety Re · Service Bulletin/Repair Instructions · issued Mar 17, 2021
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-20 Rev · Service Bulletin/Repair Instructions · issued Mar 12, 2021
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2021 model year vehicles may be…
T-SB-0032-20 Rev · Service Bulletin/Repair Instructions · issued Feb 3, 2021
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-20 · Service Bulletin/Repair Instructions · issued Dec 14, 2020
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-20 · Service Bulletin/Repair Instructions · issued Dec 14, 2020
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1999 Toyota 4RUNNER in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1999 Toyota 4RUNNER?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 167,000 miles — budget accordingly if the car is approaching that mileage.