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Service bulletin B661117

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)
TypeService bulletin
NHTSA id10146771
Published by NHTSA2018-11-05
Manufacturer's numberB661117
Manufacturer's date2017-09-01
NHTSA componentVEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

ACC (ACTIVE CRUISE CONTROL): CANNOT DELETE FAULT CODE 022126. ACC fault code 022126 does not delete from ACC control unit fault code memory. May occur in combination with under-voltage fault codes: * BDC 0x80402F - Battery deeply discharged * BE6: 0x801405 - Under-voltage detected Insufficient control unit software.

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

Throttle and cruise control

Vehicles listed
BMW 530E2018
BMW 530I2017, 2018
BMW 540D2018
BMW 540I2017
BMW 550I2017
BMW 750LI2016
BMW F800 R2017
BMW R NINE T2017

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
B6615202020-12-21. Service bulletin. ACTIVE CRUISE CONTROL - UNEXPECTED DECELERATION: Vehicle slows down (decelerates) unexpectedly while Active Cruise Control with Stop & Go (ACC) function is activated.
B5108202020-04-20. Service bulletin. GROANING OR CRACKING NOISE WHEN OPENING OR CLOSING THE DOORS: A groaning or cracking sound is present when opening and/or closing any of the doors. Interference between the door panel and door.
B6609162018-12-10. Service bulletin. """Collision Warning Failed"" or ""Pedestrian Warning Failed"" CCM Display. While driving, a Check Control Message (CCM) is displayed advising of the following: Front collision warning failed Pedestrian detection failed The following fault code is stored in the KAFAS (Camera-based Driver Assistance System): 0X800AC4 - Camera calibration failed The KAFAS camera is not properly mounted and secured to the mounting bracket on the windshield; And/ or: The mounting bracket glued to the windshield is not installed correctly. The pictures below show both incorrect and correct installation. This picture shows the KAFAS camera installed in the bracket. Notice the spacing highlighted by the ""green lines"""