Toyota Sienna Hybrid 2021 — technical service bulletin
Bulletin T-TT-0646-21 Rev · NHTSA communication 10203527 · issued Oct 1, 2021
Technical service bulletin
communication type
Steering
component
2021
model years
1
vehicle entries
Official summary
TT: Some 2021 model year Sienna HV vehicles may exhibit a scraping noise from the front when turning.
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.