BMW 228I 2012–2016 — technical service bulletin
Bulletin B120417 · NHTSA communication 10146572 · issued Mar 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2016
model years
15
vehicle entries
Official summary
SERVICE ENGINE SOON LIGHT IS ON WITH PT-CAN FAULTS STORED . The Service engine soon light (MIL) is on and the transmission may go into failsafe. The problem may be intermittent along with any of the following check control messages displayed or stored. Transmission temperature Drivetrain fault Chassis stabilization Note: Any combination of the following faults can be stored. DME faults: CDBB04: No message (request, torque, crankshaft, transmission 2), receiver DME, transmitter EGS CDBE04: No message (display, engine speed, dynamic), receiver DME, transmitter EGS CDBF04: No message (status, tra
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.