Service bulletin SIB612817

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10215017
Published by NHTSA	2022-07-05
Manufacturer's number	SIB612817
Manufacturer's date	2017-06-01
NHTSA component	POWER TRAIN

NHTSA's summary

SME FAULT CODE 21F04B - One or several of the following check control messages (CCM) may be displayed: Engine fault! Power loss" Powertrain malfunction, Hybrid system malfunctioning.

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

Transmission and driveline

Vehicles listed
BMW 428I	2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B122519	2023-01-30. Service bulletin. After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
B110221	2021-12-13. Service bulletin. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
B110317	2021-11-08. Service bulletin. BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
B120115	2020-09-14. Service bulletin. N20 and N26 Differential Pressure Sensor Fault: 195002 Stored in DME: The Service Engine Soon (MIL) light is on with the following differential pressure sensor fault stored: 195002 - Differential pressure sensor, tank vent valve, electrical: Short circuit to ground During engine operation, vibration and movement of the sensor can damage the pin contacts of the harness connector, or cause a break in the wiring.
B012618	2020-07-27. Service bulletin. EPS STEERING ELECTRIC MOTOR MOUNTING BOLTS LIMITED WARRANTY EXTENSION: There are front end noises when turning the steering wheel and/or there is limited power steering assist when maneuvering or parking the vehicle. For the basic steering gears, one possible cause is that the mounting bolts for the electric motor may become loose, missing and/or broken due to corrosion.
B012618	2020-06-15. Service bulletin. EPS STEERING ELECTRIC MOTOR MOUNTING BOLTS - LTD WTY EXT TO 10 YRS/120000 MILES: There are front end noises when turning the steering wheel and/or there is limited power steering assist when maneuvering or parking the vehicle. For the basic steering gears one possible cause is that the mounting bolts for the electric motor may become loose missing and/or broken due to corrosion.
B340517	2020-04-20. Service bulletin. TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: This Service Information Bulletin (Revision 3) replaces SI B34 05 17 dated September 2017. Ticking noise coming from front wheel while cornering without brakes applied noticeable at low speeds. The vehicle must be moving. See attached video V34 01 20 Note: For a similar noise heard when parking with the brakes applied refer to SIB 31 01 12. Microscopic movement of the contact interface between the inner brake disc and the wheel bearing flange on vehicles equipped with lightweight brake discs.
B120115	2018-12-17. Service bulletin. N20 and N26 Differential Pressure Sensor Fault 195002 Stored in DME. The Service Engine Soon (MIL) light is on with the following differential pressure sensor fault stored: ? 195002 - Differential pressure sensor, tank vent valve, electrical: Short circuit to ground During engine operation, vibration and movement of the sensor can damage the pin contacts of the harness connector, or cause a break in the wiring.
B270315	2018-12-10. Service bulletin. Vibration or Shudder from Driveline when Accelerating from a Stop. Chassis stabilization warning is displayed. Vehicle may exhibit a shudder or vibration when taking off from a stop. One or more of the following fault codes may be stored: LMV ? 440101 - Transfer box (VTG): End of transmission service life reached ? 440105 - Transfer box (VTG ) Calibration Faulty ? 440115 - Transfer box (VTG): Calibration angle deviation outside tolerance? 44011B - Set torque outside of the torque characteristic curve EGS ? 420611 - DSC interface (wheel speed): non-permitted deviation of wheel speed (actual speed of wheel RL/FL/RR/FR, 0x254) from output speed and turbine speed DSC ? 48097D - Transfer box: Fault, clutch position known, only rear-wheel drive These symptoms or faults would be stored on a vehicle with low mileage (< 12,500 miles). CAUSE A front or rear differential with the incorrect gear ratio was installed in the car. The front and rear differentials need to be geared exactly the same for the xDrive to function properly.
B123314	2018-12-10. Service bulletin. This Service Information bulletin supersedes SI 12 33 14 dated December 2015. SUBJECT Fault Code 1D2008 Stored in DME. The Service Engine Soon light is on. Fault Code 1D2008: Map thermostat: jammed open is stored in the DME. There may also be a complaint of low heat output with lower outside temperatures. CAUSE During the engine warm-up, the engine coolant does not reach operating temperature within the DME's allowable time limits. This is caused by either a faulty thermostat inside the transmission oil heat exchanger or a faulty engine characteristic map thermostat.