2015 Toyota 4RUNNER suspension problems
10 owner complaints filed with NHTSA name the suspension on the 2015 Toyota 4RUNNER — 12% of all complaints for this model year.
What owners report
“Front Coil Spring Cracking (TRD Pro Models) I observed cracking of the front coil spring, a design defect in the spring's termination and how it sits on the top hat and bottom perch. This can lead to a sudden loss of control and a crash. Furthermore, pieces of the broken spring coil can fly out…”
filed Jun 12, 2025
“'The "KDSS" (kinetic dynamic suspension system) valve located on the frame under the driver's door had corroded to the point where the oil in the system had begun to leak out. The warning light did come on the dashboard days prior to the leak. Vehicle was taken to a Toyota dealership, where they…”
filed May 18, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Suspension problems in other 4RUNNER years
| Year | Reports | Share |
|---|---|---|
| 2023 4RUNNER | 2 | 7% |
| 2022 4RUNNER | 6 | 15% |
| 2021 4RUNNER | 10 | 29% |
| 2020 4RUNNER | 4 | 13% |
| 2019 4RUNNER | 6 | 9% |
| 2018 4RUNNER | 4 | 7% |
| 2017 4RUNNER | 2 | 6% |
| 2016 4RUNNER | 9 | 12% |
| 2014 4RUNNER | 3 | 4% |
| 2013 4RUNNER | 1 | 3% |
| 2012 4RUNNER | 2 | 2% |
| 2011 4RUNNER | 3 | 2% |
Other reported problem areas on the 2015 Toyota 4RUNNER
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.