BMW i3 2014–2017 — technical service bulletin
Bulletin B611716 · NHTSA communication 10146838 · issued Sep 1, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2017
model years
4
vehicle entries
Official summary
"SERVICE ENGINE SOON (MIL) - SME FC 21F0D0. Malfunction Indicator Lamp (MIL) is illuminated. Erroneous fault 21F0D0 ""High-voltage battery, cooling system: Refrigerant shutoff valve jammed closed"" is stored in battery management electronics (SME). Possible faulty cooling valve"
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.