Tesla Model 3 2017 — technical service bulletin
Bulletin SB-18-18-001 · NHTSA communication 10142991 · issued Feb 15, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017
model years
1
vehicle entries
Official summary
On certain Model 3 vehicles, the 5-way valve actuator internals might wear prematurely, causing the actuator to become unreliable over time.
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.