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Service bulletin B121115

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 id10147661
Published by NHTSA2018-11-13
Manufacturer's numberB121115
Manufacturer's date2015-03-01
NHTSA componentENGINE

NHTSA's summary

? SUBJECT Service Engine Soon (MIL): SME FC 21F0D3. The Service Engine Soon light (MIL) is intermittently illuminated in the instrument cluster (Kombi). This does not affect drivability, and no symptoms are apparent to the customer. CAUSE The following fault code is stored in the primary fault memory of the HV battery electronics (SME): ? 21F0D3 - HVS: main contactors: neg. Contactors couldn't be closed Despite the fault code's description, it does not prevent start-up of the HV battery.

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

Engine

Vehicles listed
BMW BMW

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