Toyota BZ4X 2024 — technical service bulletin
Bulletin T-SB-0025-25 · NHTSA communication 11015876 · issued Feb 12, 2025
Technical service bulletin
communication type
Engine
component
2024
model years
1
vehicle entries
Official summary
Some 2024 model year bZ4X vehicles may exhibit a condition where the charging limit setting defaults to full after every key cycle, removing the upper limit set by the customer. The electric converter unit assembly software logic has been modified to address this condition.
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.