Toyota Sienna Hybrid 2021–2024 — technical service bulletin
Bulletin 22TE09 · NHTSA communication 11024081 · issued Sep 17, 2025
Technical service bulletin
communication type
Electrical System
component
2021–2024
model years
4
vehicle entries
Official summary
Technical instructions for customer support program 22te09 hv floor under wire harness and rear traction motor cable corrosion certain 2021 – 2024 model year sienna hybrid
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.