Service bulletins for the 2015 Toyota Sienna
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.
347 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Suspension are shown. Show all
| T-TT-0555-19 | 2019-09-16. Service bulletin. SUSPENSION:REAR. TSB: Some AWD 2014 - 2017 model year Sienna and 2016 - 2018 model year RAV4 customers may experience an abnormal noise from rear coupling unit while driving. This condition can be caused by utilizing an improper towing method when transporting vehicles. |
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| Dealer Inspectio | 2017-08-01. Service bulletin. SUSPENSION; SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. Dealer Letter: It has come to our attention that your dealership recently received '15 Model Year Sienna (s) that may not have had the passenger seat Occupant Classification Sensors (OCS) properly calibrated during the assembly process. It has come to our attention that your dealership recently received some '14 Model Year Camry and/or Avalon (s) that may have a lower control arm on the left front suspension that may have been mis-stamped during the assembly process. |
| T-SB-0381-09 Rev | 2017-08-01. Service bulletin. SUSPENSION; WHEELS. TSB: The only acceptable towing method for vehicles equipped with an Active Torque Control 4WD system is to have all four wheels off the ground. Flat towing or towing where only the front or rear wheels are supported may damage the all-wheel drive system. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.