Service bulletin B121915
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10147709 |
| Published by NHTSA | 2018-11-13 |
| Manufacturer's number | B121915 |
| Manufacturer's date | 2015-06-01 |
| NHTSA component | ENGINE; EQUIPMENT |
NHTSA's summary
Service Action: Replace EME B+ Cable. The Electric Machine Electronics (EME) has a connection for the B+ cable which leads to the 12V battery. This B+ cable transfers energy from the DC/DC converter to the 12V network. This cable may corrode over time and, in extreme cases, could break. In the event of a cable break, output from the DC/DC converter would be interrupted. This interruption would cause the 12V battery to discharge. Subsequently the customer would be notified via a check control message that the 12V battery is discharging, and the vehicle may not restart after being switched off.
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, Equipment and accessories
| BMW ACTIVE HYBRID 3 | 2012 |
|---|---|
| BMW ACTIVE HYBRID 3 | 2015 |
| BMW ACTIVE HYBRID 5 | 2013 |
| BMW ACTIVE HYBRID 7 | 2014 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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