Toyota BZ4X 2023 — technical service bulletin
Bulletin 22TC11-bZ4X-Deal · NHTSA communication 10228592 · issued Nov 2, 2022
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
DP: A software update has been developed for certain 2023 model year bZ4X vehicles. Included in the update is an improvement of DC fast charging performance during low temperatures.
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.