Tesla Model 3 2017–2023 — technical service bulletin
Bulletin SB-23-20-002 · NHTSA communication 10234051 · issued Mar 11, 2023
Technical service bulletin
communication type
Seats
component
2017–2023
model years
11
vehicle entries
Official summary
Certain Model 3 and Model Y vehicles may need a different Occupant Classification System (OCS) installed in the front passenger seat before servicing its subcomponents.
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.