Tesla Model 3 2017–2019 — technical service bulletin
Bulletin SB2117005 · NHTSA communication 10208325 · issued Dec 8, 2021
Technical service bulletin
communication type
Electrical System
component
2017–2019
model years
3
vehicle entries
Official summary
Some Model 3 driver and front passenger seat electrical harnesses might get damaged from repeated fore and aft adjustments to the seat, which will trigger a restraint system alert.
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.