Toyota Sienna Hybrid 2021 — technical service bulletin
Bulletin T-TT-0643-21 · NHTSA communication 10188928 · issued Feb 22, 2021
Technical service bulletin
communication type
Structure
component
2021
model years
1
vehicle entries
Official summary
TT: Some 2021 model year Sienna vehicles may exhibit a condition where the power slide door sensor assembly has a wavy or poor appearance.
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.