Tesla Model 3 2017–2018 — technical service bulletin
Bulletin SB-18-40-004 R1 · NHTSA communication 10144252 · issued Aug 1, 2018
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
2
vehicle entries
Official summary
On certain Model 3 vehicles, an issue in the CAN transceiver internal to the drive unit might result in intermittent communication errors, causing the vehicle to go into limp mode or not start.
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.