Tesla Model X 2015–2018 — technical service bulletin
Bulletin SB-21-12-005 · NHTSA communication 10203345 · issued Oct 22, 2021
Technical service bulletin
communication type
Structure
component
2015–2018
model years
4
vehicle entries
Official summary
For some Model X vehicles built before May 2018, should water seep into the printed circuit board of the rear door cladding sensor, an alert might be displayed on the touchscreen.
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.