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Service bulletins for the 2015 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.

338 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
T-SB-0074-19_Rev2020-04-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine/groan noise from the rear of the vehicle. This condition may occur while driving at approximately 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition
T-SB-0074-192019-09-03. Service bulletin. SUSPENSION; ENGINE; POWER TRAIN. TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine or groan noise from the rear of the vehicle. This condition may occur while driving around 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition.
T-SB-0054-162018-04-23. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. TSB: Some 2015 - 2016 model year TRD Pro Edition 4Runners may exhibit an abnormal clunk type noise when driving at low speeds over certain road surfaces. The condition may also be more evident in colder climates. The TRD Pro Shock Absorber has been updated to prevent this noise from occurring. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0054-162017-05-22. Service bulletin. SUSPENSION. TSB: SOME 2015 – 2016 MODEL YEAR TRD PRO EDITION 4RUNNERS MAY EXHIBIT AN ABNORMAL CLUNK TYPE NOISE WHEN DRIVING AT LOW SPEEDS OVER CERTAIN ROAD SURFACES. THE CONDITION MAY ALSO BE MORE EVIDENT IN COLDER CLIMATES. THE TRD PRO SHOCK ABSORBER HAS BEEN UPDATED TO PREVENT THIS NOISE FROM OCCURRING. FOLLOW THE REPAIR PROCEDURE IN THIS BULLETIN TO ADDRESS THIS CONDITION.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.