Volvo XC40 2021–2023 — technical service bulletin
Bulletin TJ3645120 · NHTSA communication 10241673 · issued Jul 14, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
5
vehicle entries
Official summary
BEV High Voltage Battery Replacement.
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.