Toyota BZ4X 2023 — technical service bulletin
Bulletin 23TC05_FAQ_10.04 · NHTSA communication 10245449 · issued Oct 4, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
FAQ: Certain 2023 Model Year bZ4X EV Charging Performance + Display Software Update Frequently Asked Questions
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.