Toyota Sienna 2021 — technical service bulletin
Bulletin 22TD042 · NHTSA communication 10224126 · issued Jun 30, 2022
Technical service bulletin
communication type
Equipment
component
2021
model years
2
vehicle entries
Official summary
Faq: limited service campaign 22td04
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.