Service bulletin B612517
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 | 10149255 |
| Published by NHTSA | 2018-11-26 |
| Manufacturer's number | B612517 |
| Manufacturer's date | 2017-05-01 |
| NHTSA component | ELECTRICAL SYSTEM:12V/24V/48V BATTERY |
NHTSA's summary
SME - HV BATTERY CELL MODULE VOLTAGE FAULTS. When diagnosing with ISTA or ISTA Next, a fault code (detailed below), regarding the cell voltage measurement, is entered in the battery management electronics (SME). ? 21F0C2 - High-voltage battery, cell supervision circuit 1: Voltage measurement (battery cell), line disconnection ? 21F0C3 - High-voltage battery, cell supervision circuit 2: Voltage measurement (battery cell), line disconnection ? 21F0C4 - High-voltage battery, cell supervision circuit 3: Voltage measurement (battery cell), line disconnection ? 21F0C5 - High-voltage battery, cell supervision circuit 4: Voltage measurement (battery cell), line disconnection ? 21F0C6 - High-voltage battery, cell supervision circuit 5: Voltage measurement (battery cell), line disconnection The customer might not have reported the situation as the fault code could have no effect on the vehicle operation. Erroneous fault in the fault memory of the SME, possible fault in a cell supervision circuit (CSC) or a cell module.
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, 12-volt battery
| BMW 320I | 2013, 2014, 2015, 2016, 2017 |
|---|---|
| BMW 328D | 2014, 2015, 2016, 2017 |
| BMW 328I | 2012, 2013, 2014, 2015, 2016 |
| BMW 330E | 2016, 2017 |
| BMW 330I | 2017 |
| BMW 335I | 2012, 2013, 2014, 2015, 2016 |
| BMW 340I | 2016, 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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|---|---|
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| B610419 | 2019-05-20. Service bulletin. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019. |
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| B610616 | 2018-12-10. Service bulletin. "CCM ""Engine fault! Power loss"" and/or ""Battery charging fault!"". Upon unlocking or starting the vehicle, one or both of the following Check Control messages (CCM) are displayed to the customer: ""Engine fault! Power loss"" (CCM-ID: 29) ""Battery charging fault!"" (CCM-ID: 213). Faults from Safety box (S-Box) in the high-voltage battery." |
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| 510914 | 2018-11-13. Service bulletin. Service Action: Repair Corrosion Protection in Engine Compartment. Various engine compartment battery cable mounting points are not sufficiently protected against corrosion. Lack of corrosion protection can lead to improper battery cable connections. |
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