Tesla Model 3 2017 — technical service bulletin
Bulletin SB-18-40-003 · NHTSA communication 10142986 · issued Feb 7, 2018
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
On certain Model 3 vehicles, the rear drive unit gearbox fluid might leak into the printed circuit board cavity of the oil pump, causing the vehicle to go into limp mode.
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.