BMW 428I 2015–2016 — technical service bulletin
Bulletin B660615 · NHTSA communication 10147269 · issued Sep 1, 2015
Technical service bulletin
communication type
Back Over Prevention
component
2015–2016
model years
6
vehicle entries
Official summary
Sporadic Check Control Messages of the Driver Assistance System. Sporadically, a CCM (Check Control Message) is displayed advising that the Camera-based Driver Assistant system has failed. This is due to the vehicle interior reaching very high temperatures. During this failure, all KAFAS (Camera-based driver assistance systems) system functionalities are inoperative. The affected functionalities are: Pedestrian Detection Front Collision Warning Lane Departure Warning Speed Limit Info (if equipped) The following fault code is stored in the KAFAS control unit: 0x800AC0 - Switching off due to exc
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.