Toyota Sienna 2021 — technical service bulletin
Bulletin 22TD04 · NHTSA communication 11021713 · issued Jul 1, 2025
Technical service bulletin
communication type
Electrical System
component
2021
model years
2
vehicle entries
Official summary
22td04 expired on june 30, 2025 technical instructions for limited service campaign 22td04 accessory dash camera firmware update certain 2021 model year sienna vehicles certain 2021 model year venza vehicles
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.