BMW i3 2014–2016 — technical service bulletin
Bulletin B613814 · NHTSA communication 10152313 · issued Apr 1, 2015
Technical service bulletin
communication type
Power Train
component
2014–2016
model years
3
vehicle entries
Official summary
Drivetrain Malfunction (CCM 794) with Isolation Faults. The Drivetrain Malfunction check control message (CCM 794) is displayed, either while driving or when starting up. The following faults are stored in the vehicle: EME: 22280F and/or 222814 SME: 21F0E3 and/or 21F0E4 When the CCM is present, there are no apparent drivability concerns. After allowing the vehicle to rest and then restart, the CCM typically does not reappear. CAUSE The cause of an isolation fault is generally a resistance between HV+ or HV- and the shield/chassis ground, which is below a predetermined threshold. The following
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.