Tesla Model S 2015–2018 — technical service bulletin
Bulletin SB-18-11-002 R1 · NHTSA communication 10166050 · issued Sep 24, 2019
Technical service bulletin
communication type
Structure
component
2015–2018
model years
4
vehicle entries
Official summary
On some Model X vehicles, water might enter the door latches on the rear (Falcon Wing) doors, which can damage the electrical components integral to door latching operation.
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.