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Service bulletin M610820

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10186896
Published by NHTSA2021-02-08
Manufacturer's numberM610820
Manufacturer's date2020-12-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's 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. The high-voltage battery cells may not have been produced according to specifications.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
MINI COOPER2014 to 2021
MINI COOPER S2014 to 2016
MINI COOPER S2019 to 2020
MINI COOPER SE2021
MINI JCW CONVERTIBLE2015 to 2016
MINI JCW CONVERTIBLE2018
MINI JCW CONVERTIBLE2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.