Toyota BZ4X 2021–2023 — service campaign
Bulletin 25TC03 · NHTSA communication 11019348 · issued Apr 16, 2025
Service campaign
communication type
Forward Collision Avoidance
component
2021–2023
model years
5
vehicle entries
Official summary
Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-2023 Model Year Sienna HV TSS 3.0 Forward Recognition Camera Software Update
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.