Tesla Model 3 2017–2018 — technical service bulletin
Bulletin SB-18-50-002 · NHTSA communication 10142867 · issued Apr 18, 2018
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
5
vehicle entries
Official summary
Certain 2nd generation Universal Mobile Connectors (UMCs) supplied to Tesla vehicles were not screened and might not indicate their status or charge the vehicle.
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.