{"nhtsa_id":10147785,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2015-10-01","document_id":"B660615","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"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 excess temperature Note: The system is functional after the interior temperature has cooled down or by cycling the ignition off and on again. Incorrect calibration of the temperature sensor in the KAFAS camera.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147785-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10147785-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147785","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"428I","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_bmw_428i","2016_bmw_428i"]},{"make":"BMW","model":"435I","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_bmw_435i","2016_bmw_435i"]},{"make":"BMW","model":"M4","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_bmw_m4","2016_bmw_m4"]},{"make":"BMW","model":"X1","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_bmw_x1"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}