Toyota 4RUNNER 2019–2020 — technical service bulletin
Bulletin T-SB-0094-20 · NHTSA communication 10181779 · issued Sep 28, 2020
Technical service bulletin
communication type
Equipment
component
2019–2020
model years
2
vehicle entries
Official summary
TSB: Some 2019 ? 2020 model year TRD Pro Edition 4Runner vehicles may exhibit a knocking noise when driving at low speeds over uneven road surfaces (small bumps and dips) in cold conditions. The noise is noticeable in cold temperatures (less than 40?F) and diminishes as temperatures increase. The TRD Pro shock absorbers have been improve noise performance. Follow the Repair Procedure in this bulletin to address the condition.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.