Service bulletins for the 2020 Toyota 4Runner
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
158 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Suspension are shown. Show all
| T-SB-0094-20 | 2020-10-26. Service bulletin. SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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. |
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| T-TT-0602-20 Rev | 2020-07-27. Service bulletin. SUSPENSION; TIRES; STEERING. TT: Some 2019-2020 model year 4Runner SR5 and TRD Off Road grade models with Dunlop Grandtrek AT20 P265/70R17 tires may experience vibration (flutter) in the steering wheel when driving at highway speeds 55 mph and above. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.