{"id":12428,"date":"2019-12-20T14:53:46","date_gmt":"2019-12-20T19:53:46","guid":{"rendered":"https:\/\/techlink.mynetworkcontent.com\/?p=12428"},"modified":"2019-12-20T14:53:46","modified_gmt":"2019-12-20T19:53:46","slug":"unavailable-driver-assistance-features-messages","status":"publish","type":"post","link":"https:\/\/gm-techlink.com\/?p=12428","title":{"rendered":"Unavailable Driver Assistance Features Messages"},"content":{"rendered":"<p>Service Drivers Assist and Service Side Object Detection messages and\/or a Super Cruise Temporarily Unavailable message may display on the Driver Information Center of some 2019-2020 CT6 models. DTC U0075 (Control Module Communication Object Detection CAN Bus Off) may be set.<\/p>\n<p>If these conditions are found, there may be a short to ground on Object bus circuits 3811 and 3813 at the driver\u2019s sun visor mounting screws. Remove the driver\u2019s sun visor and lower the harness to inspect for any damage. The sun visor screw may leave an impression (Fig. 18, #1) in the headliner harness. (Fig. 18, #2)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12418\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2019\/12\/F18-harness-1.jpg\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F18-harness-1.jpg 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F18-harness-1-300x195.jpg 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F18-harness-1-85x55.jpg 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F18-harness-1-200x130.jpg 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><strong>Fig. 18<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Unwrap the harness to expose the wiring. (Fig. 19) The Object High Speed GM LAN circuits 3811 and 3813 may be damaged by the sun visor mounting screw.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12419\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2019\/12\/F19-harness-2.jpg\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F19-harness-2.jpg 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F19-harness-2-300x195.jpg 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F19-harness-2-85x55.jpg 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F19-harness-2-200x130.jpg 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><strong>Fig. 19<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>If any damage is evident, repair the wiring following the appropriate Service Information for wiring repairs. (Fig. 20)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12420\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2019\/12\/F20-harness-3.jpg\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F20-harness-3.jpg 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F20-harness-3-300x195.jpg 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F20-harness-3-85x55.jpg 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/12\/F20-harness-3-200x130.jpg 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><strong>Fig. 20<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Thanks to David Antal<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Service Drivers Assist and Service Side Object Detection messages and\/or a Super Cruise Temporarily Unavailable message may display on the Driver Information Center of some 2019-2020 CT6 models. DTC U0075 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12428","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/12428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12428"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/12428\/revisions"}],"predecessor-version":[{"id":12429,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/12428\/revisions\/12429"}],"wp:attachment":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}