Toyota BZ4X 2022–2024 — technical service bulletin
Bulletin Dealer Letter · NHTSA communication 10251065 · issued Jan 3, 2024
Technical service bulletin
communication type
Electrical System
component
2022–2024
model years
27
vehicle entries
Official summary
DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affected vehicles were delivered with one (1) Smart Key and a second mechanical key.
Vehicles covered
- 2023 Toyota BZ4X
- 2024 Toyota BZ4X
- 2023 Toyota Crown
- 2024 Toyota Crown
- 2024 Toyota Grand Highlander
- 2023 Toyota Prius
- 2024 Toyota Prius
- 2023 Toyota Prius Prime
- 2024 Toyota Prius Prime
- 2023 Toyota RAV4 Prime
- 2024 Toyota RAV4 Prime
- 2023 Toyota Sequoia
- 2024 Toyota Sequoia
- 2023 Toyota Sienna
- 2024 Toyota Sienna
- 2023 Toyota Sienna Hybrid
- 2024 Toyota Sienna Hybrid
- 2022 Toyota Tundra
- 2023 Toyota Tundra
- 2024 Toyota Tundra
- 2022 Toyota Tundra Hybrid
- 2023 Toyota Tundra Hybrid
- 2024 Toyota Tundra Hybrid
- 2023 Toyota Venza
- 2024 Toyota Venza
- 2023 Toyota Venza Hybrid
- 2024 Toyota Venza 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.