Tesla Model 3 2020 — technical service bulletin
Bulletin SB2117006 · NHTSA communication 10212801 · issued Dec 8, 2021
Technical service bulletin
communication type
Electrical System
component
2020
model years
3
vehicle entries
Official summary
On certain Model S, Model X, and Fremont-built Model 3 vehicles, the Printed Circuit Board (PCB) for the LH side repeater camera may lose electrical continuity over time, resulting in premature failure of the camera.
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.