Toyota BZ4X 2023 — technical service bulletin
Bulletin 22TC11-bZ4X-Char · NHTSA communication 10228594 · issued Nov 2, 2022
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
Ti: technical instructions for special service campaign 22tc11 software update ? Dc cold weather charging certain 2023 model year bz4x
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.