BMW i3 2014–2016 — technical service bulletin
Bulletin B122815 · NHTSA communication 10147810 · issued Nov 1, 2015
Technical service bulletin
communication type
Electrical System
component
2014–2016
model years
6
vehicle entries
Official summary
"EME Fault Code: 2228BF. Check control message (CCM) 170 ""Drivetrain fault"" is displayed in the instrument cluster and fault code 2228BF ""EME: internal fault (drive position monitoring)"" is stored in the Electrical Machine Electronics (EME). This could also be accompanied by EME fault code 222852 ""Gear position actuator, monitoring parking lock position: P incorrectly engaged"". CAUSE EME software."
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.