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SIB 12 28 18: Electrical system check engine light

Electrical system check engine light on BMW F15 models (2016–2018); BMW gives an inspection and repair procedure.

BMW service bulletin · NHTSA ID 10175271 · Apr 2020 · also written SI B12 28 18, B122818

What it covers

A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.

MALFUNCTION INDICATOR LAMP (MIL) MULTIPLE MOTOR POSITION SENSOR FAULTS STORED IN EME: The following check control messages are displayed: CCM 34 "Malfunction indicator lamp (MIL)" CCM 633 "Powertrain Malfunction!".

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 12 28 18
Also written: SI B12 28 18, B122818, 12 28 18, SIB-12-28-18, SI B122818
NHTSA ID10153694, 10175271 (revisions)
Document IDs filedB122818
TypeService bulletin
Date (first filed Dec 2018)
ModelsX5
Model years2016–2018
ChassisF15
EnginesN20, N55, N57, N63
Component (NHTSA)Electrical System
Engine
Engine And Engine Cooling

Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.

Related bulletins

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  • SIB 01 09 24 Battery warranty extension Battery warranty extension on BMW F15/I12/I15 models (2014–2018); BMW extended the warranty on this part for eligible cars. Warranty extension · Mar 2025
  • NHTSA 10216792 Tec25 Wishbone Return Tec25 Wishbone Return on BMW G11/G12/E60/E89 and other models (2016); BMW explains the cause and the approved repair. Service bulletin · Mar 2016
  • SIB 65 01 22 Air bags warranty extension Air bags warranty extension on BMW G01/G02/F26/F97 and other models (2006–2023); BMW extended the warranty on this part for eligible cars. Warranty extension · Jan 2025
  • SIB 65 02 22 Air bags warranty extension Air bags warranty extension on BMW G05/G06/G07/F16 and other models (2006–2023); BMW extended the warranty on this part for eligible cars. Warranty extension · Jan 2025
  • SIB 61 01 20 Electrical system service information Electrical system service information on BMW G05/G06/G07/G11 and other models (2006–2023); BMW explains the cause and the approved repair. Service bulletin · Feb 2023

Before you pay, check the VIN for recalls. Some failures are covered by a safety recall or a BMW warranty extension.

Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.

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