Toyota Sienna Hybrid 2021–2023 — technical service bulletin
Bulletin 22TE09b · NHTSA communication 10252274 · issued Feb 28, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2023
model years
3
vehicle entries
Official summary
Ti: technical instructions for customer support program 22te09 hv floor under wire harness and rear traction motor cable corrosion certain 2021 ? 2022 model year sienna hybrid
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.