{"id":9019,"date":"2025-12-01T12:53:51","date_gmt":"2025-12-01T17:53:51","guid":{"rendered":"https:\/\/gm-techlinkfrench.com\/?p=9019"},"modified":"2026-02-19T12:58:08","modified_gmt":"2026-02-19T17:58:08","slug":"diagnostic-du-module-de-commande-du-moteur-et-restriction-des-pieces-du-module-de-commande-du-moteur-ecm","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=9019","title":{"rendered":"Diagnostic du module de commande du moteur et restriction des pi\u00e8ces du module de commande du moteur (ECM)"},"content":{"rendered":"<p>Le module de commande du moteur (ECM) E01 pour les mod\u00e8les CT4, CT5, Silverado et Sierra 2022-2026; Envision 2023-2025; Colorado, Canyon 2023-2026; et XT4 2024-2025 \u00e9quip\u00e9s d&#8217;un moteur 2 L (\u00e9quipement facultatif commun (RPO) LSY) ou 2,7 L (RPO L3B) a fait l&#8217;objet d&#8217;une restriction. Cette restriction permettra de recueillir des commentaires sur le produit avant de remplacer le module de commande du moteur (ECM) (Fig. 1).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8978\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F01-ECM-6-Sierra.jpg\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F01-ECM-6-Sierra.jpg 740w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F01-ECM-6-Sierra-300x195.jpg 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F01-ECM-6-Sierra-200x130.jpg 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 1<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Dans le cadre du processus de diagnostic, v\u00e9rifier que l&#8217;\u00e9tat du v\u00e9hicule n&#8217;est pas li\u00e9 \u00e0 un probl\u00e8me de c\u00e2blage\/connexion ou \u00e0 une mise \u00e0 jour de l&#8217;\u00e9talonnage. Examiner les bulletins ci-dessous pour obtenir des renseignements suppl\u00e9mentaires :<\/p>\n<ul>\n<li><strong>Bulletin n\u00b0 25-NA-197 :<\/strong> friction du faisceau de c\u00e2bles du moteur au niveau du bouclier thermique du turbocompresseur ou de la tringlerie de la soupape de d\u00e9charge \u2013 Colorado, Canyon 2023-2025 (Fig. 2)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9000\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F02-ECM-1.jpg\" alt=\"\" width=\"1152\" height=\"845\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F02-ECM-1.jpg 1152w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F02-ECM-1-300x220.jpg 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F02-ECM-1-1024x751.jpg 1024w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F02-ECM-1-768x563.jpg 768w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F02-ECM-1-780x572.jpg 780w\" sizes=\"auto, (max-width: 1152px) 100vw, 1152px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 2<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Bulletin n\u00b0 25-NA-301 :<\/strong> friction du faisceau de c\u00e2bles du moteur \u00e0 plusieurs endroits dans le compartiment moteur, notamment au niveau du capot moteur, des boulons de culasse ou des conduites de climatisation \u2013 Silverado, Sierra 2022-2025 (Fig. 3)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8999\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F03-ECM-2.jpg\" alt=\"\" width=\"891\" height=\"742\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F03-ECM-2.jpg 891w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F03-ECM-2-300x250.jpg 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F03-ECM-2-768x640.jpg 768w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F03-ECM-2-780x650.jpg 780w\" sizes=\"auto, (max-width: 891px) 100vw, 891px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 3<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>n\u00b0 PIP6023C :<\/strong> mauvaise connexion au niveau du connecteur X160 entre le faisceau de c\u00e2bles du moteur et le faisceau de c\u00e2bles de l&#8217;injecteur de carburant. Le connecteur X160 relie le faisceau de c\u00e2bles du moteur aux injecteurs de carburant, aux capteurs de pression et de temp\u00e9rature de la rampe d&#8217;injection et aux capteurs de cognement \u2013 Colorado, Silverado, Canyon, Sierra 2023-2025 (Fig. 4)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-8998\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4.jpg\" alt=\"\" width=\"980\" height=\"561\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4.jpg 1345w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4-300x172.jpg 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4-1024x586.jpg 1024w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4-768x440.jpg 768w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4-780x447.jpg 780w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F04-ECM-4-1160x664.jpg 1160w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 4<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Bulletin n\u00b0 24-NA-180 :<\/strong> Mise \u00e0 jour de l&#8217;\u00e9talonnage du capteur de cognement \u2013 Colorado, Canyon 2024<\/li>\n<li><strong>Bulletin n\u00b0 25-NA-347 :<\/strong> friction du faisceau de c\u00e2bles du moteur entre les connecteurs X2 et X201 du module de commande du moteur (ECM), \u00e0 environ 5 \u00e0 7 pouces de l&#8217;ECM. Le point de contact et la friction du faisceau de c\u00e2bles qui en r\u00e9sulte peuvent se trouver au niveau du goujon de fixation de l&#8217;amortisseur de suspension avant droit \u2013 Colorado, Canyon 2023-2026 (Fig. 5)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8997\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F05-ECM-3.jpg\" alt=\"\" width=\"928\" height=\"628\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F05-ECM-3.jpg 928w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F05-ECM-3-300x203.jpg 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F05-ECM-3-768x520.jpg 768w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/02\/F05-ECM-3-780x528.jpg 780w\" sizes=\"auto, (max-width: 928px) 100vw, 928px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 5<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si la cause du probl\u00e8me du v\u00e9hicule n&#8217;est pas identifi\u00e9e apr\u00e8s avoir consult\u00e9 ces bulletins, s&#8217;assurer d&#8217;avoir \u00e0 port\u00e9e de main le document d&#8217;information technique qui a conduit au remplacement du module de commande du moteur (ECM) et \u00eatre pr\u00eat \u00e0 passer en revue les \u00e9tapes de diagnostic qui ont conduit au remplacement de l&#8217;ECM avant de contacter le centre d&#8217;assistance technique. De plus, se reporter au document 5207120 &#8211; M\u00e9thode de test des conditions intermittentes et des mauvaises connexions, dans les informations d&#8217;entretien (SI) appropri\u00e9es.<\/p>\n<p>Pour plus de d\u00e9tails, consulter le document n\u00b0 PIP6092A.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Robert Halas<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le module de commande du moteur (ECM) E01 pour les mod\u00e8les CT4, CT5, Silverado et Sierra 2022-2026; Envision 2023-2025; Colorado, Canyon 2023-2026; et XT4 2024-2025 \u00e9quip\u00e9s d&#8217;un moteur 2 L [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-9019","post","type-post","status-publish","format-standard","hentry","category-2025-december"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/9019","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=9019"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/9019\/revisions"}],"predecessor-version":[{"id":9020,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/9019\/revisions\/9020"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}