Tesla Model S 2023 — technical service bulletin
Bulletin SB-23-17-004 · NHTSA communication 10235965 · issued Apr 12, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
Certain Model S vehicles may require the replacement of the Low Voltage (LV) battery and the battery controller module to correct inconsistent charging of the LV battery.
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.