{"id":6899,"date":"2020-01-19T15:02:45","date_gmt":"2020-01-19T20:02:45","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=6899"},"modified":"2020-02-19T15:04:07","modified_gmt":"2020-02-19T20:04:07","slug":"etablissement-du-code-danomalie-p0747-au-demarrage-du-moteur","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=6899","title":{"rendered":"\u00c9tablissement du code d&#8217;anomalie P0747 au d\u00e9marrage du moteur"},"content":{"rendered":"<p>Le code d&#8217;anomalie P0747 (\u00c9lectrovanne 1 de commande de bo\u00eete de vitesses coinc\u00e9e en position de marche) peut s&#8217;\u00e9tablir au d\u00e9marrage du moteur lorsque la bo\u00eete de vitesses est en position de stationnement (P) sur certains mod\u00e8les Cruze 2017-2019; Malibu 2017-2020; Enclave, Envision, Regal, Equinox, Traverse, Terrain 2018-2020; LaCrosse 2018-2019; Blazer, XT4 2019-2020; et Acadia, XT5, XT6 2020 \u00e9quip\u00e9s de la bo\u00eete de vitesses automatique 9T45 (EFC M3G), de la bo\u00eete de vitesses automatique 9T50 (EFC M3D, M3E, M3H), de la bo\u00eete de vitesses automatique 9T60 (EFC M3G, M3T) ou de la bo\u00eete de vitesses automatique 9T65 (EFC M3V, M3W).<\/p>\n<p>Le code d&#8217;anomalie P0747 peut s&#8217;\u00e9tablir si le module confort\/commodit\u00e9 (BCM) (Fig. 9, Equinox illustr\u00e9) arr\u00eate de fournir une tension d&#8217;alimentation au module de commande de bo\u00eete de vitesses (TCM) apr\u00e8s l&#8217;arr\u00eat du moteur pour permettre aux modules d&#8217;effectuer un autocontr\u00f4le de mise hors tension. Si la borne 22 du connecteur X4 du module BCM ne fournit aucune tension d&#8217;alimentation pendant un minimum de 15 secondes apr\u00e8s la coupure du contact, les modules n&#8217;ex\u00e9cutent pas l&#8217;autocontr\u00f4le de mise hors tension. Par cons\u00e9quent, pendant le lancement du moteur, le module BCM voit les donn\u00e9es \u00e0 partir de l&#8217;endroit o\u00f9 l&#8217;autocontr\u00f4le s&#8217;est arr\u00eat\u00e9 et, normalement, voit le r\u00e9gime moteur pendant le lancement, ce qui peut causer l&#8217;\u00e9tablissement du code d&#8217;anomalie P0747.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12473\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F09-bcm-1.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F09-bcm-1.png 740w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F09-bcm-1-300x195.png 300w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F09-bcm-1-85x55.png 85w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F09-bcm-1-200x130.png 200w\" alt=\"\" width=\"740\" height=\"481\" \/><strong>Fig. 9<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Une fois que le moteur a tourn\u00e9, v\u00e9rifier la pr\u00e9sence de la tension d&#8217;allumage \u00e0 la borne 22 connecteur X4 module BCM (Fig. 10) \u00e0 partir du module BCM pendant au moins 15 secondes apr\u00e8s la coupure de contact. Si la tension d&#8217;allumage n&#8217;est pas pr\u00e9sente pendant au moins 15 secondes, v\u00e9rifier tous les branchements d&#8217;alimentation et de masse du module BCM. En l&#8217;absence de probl\u00e8mes, remplacer et reprogrammer le module BCM.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12474\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F10-bcm-2.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F10-bcm-2.png 740w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F10-bcm-2-300x195.png 300w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F10-bcm-2-85x55.png 85w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/01\/F10-bcm-2-200x130.png 200w\" alt=\"\" width=\"740\" height=\"481\" \/><strong>Fig. 10<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Mark Kevnick et Tom Ellison<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le code d&#8217;anomalie P0747 (\u00c9lectrovanne 1 de commande de bo\u00eete de vitesses coinc\u00e9e en position de marche) peut s&#8217;\u00e9tablir au d\u00e9marrage du moteur lorsque la bo\u00eete de vitesses est en [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6899","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6899"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6899\/revisions"}],"predecessor-version":[{"id":6900,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6899\/revisions\/6900"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}