MINI Cooper 2014–2021 — technical service bulletin
Bulletin M610820 · NHTSA communication 10190871 · issued Mar 1, 2021
Technical service bulletin
communication type
Electrical System
component
2014–2021
model years
16
vehicle entries
Official summary
REPLACING THE CELL MODULE OF HIGHVOLTAGE BATTERY: During the service life of the vehicle, the high-voltage battery may unexpectedly not provide power to the vehicle.
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.