{"id":7607,"date":"2026-08-21T18:29:29","date_gmt":"2026-08-21T18:29:29","guid":{"rendered":"https:\/\/gm-techlinkspanish.com\/?p=7607"},"modified":"2026-09-21T18:31:20","modified_gmt":"2026-09-21T18:31:20","slug":"contaminacion-del-modulo-de-control-de-palanca-de-cambios","status":"publish","type":"post","link":"https:\/\/gm-techlinkspanish.com\/?p=7607","title":{"rendered":"Contaminaci\u00f3n del m\u00f3dulo de control de palanca de cambios"},"content":{"rendered":"<p>Si uno de los botones del M\u00f3dulo de control de palanca de cambios (Fig. 6) se queda atascado en un veh\u00edculo Silverado 1500, Sierra 1500 o HUMMER EV 2022-2026, verifique si hay alg\u00fan derrame de l\u00edquido que pueda haber contaminado la palanca de cambios.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7612\" src=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F06-Gear-4.png\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F06-Gear-4.png 740w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F06-Gear-4-300x195.png 300w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F06-Gear-4-200x130.png 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 6<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>La contaminaci\u00f3n del M\u00f3dulo de control de cambios de velocidad tambi\u00e9n puede provocar que se encienda el Indicador de falla (MIL) Check Engine (Revisar el motor), junto con los c\u00f3digos DTC P17F4 (Circuito de interruptor de activaci\u00f3n del selector de rango de la transmisi\u00f3n A\/B atascado en encendido), P189D (Circuito del interruptor de posici\u00f3n de estacionamiento de la transmisi\u00f3n A\/B atascado en apagado), P07B2 (Circuito del sensor\/interruptor A de posici\u00f3n de estacionamiento de la transmisi\u00f3n abierto) y\/o P07B8 (Circuito del sensor\/interruptor B de posici\u00f3n de estacionamiento de la transmisi\u00f3n abierto) establecido en el M\u00f3dulo de control del motor. Cualquiera de estos c\u00f3digos DTC puede deberse a contaminaci\u00f3n si penetr\u00f3 l\u00edquido en los botones o en los componentes internos de la palanca de cambios. (Fig. 7) Si se limpi\u00f3 la palanca de cambios, puede que no resulte f\u00e1cil identificar indicios de un derrame.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7611\" src=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F07-Gear-1-1024x707.png\" alt=\"\" width=\"740\" height=\"511\" srcset=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F07-Gear-1-1024x707.png 1024w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F07-Gear-1-300x207.png 300w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F07-Gear-1-768x530.png 768w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F07-Gear-1-780x539.png 780w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F07-Gear-1.png 1121w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 7<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Revise si la palanca de cambios presenta signos de contaminaci\u00f3n por l\u00edquidos (Fig. 8), tanto en los bordes superiores como en la base de la palanca de cambios (Fig. 9). Limpie las \u00e1reas contaminadas con una toalla de microfibra.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7610\" src=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F08-Gear-2-1024x676.png\" alt=\"\" width=\"740\" height=\"489\" srcset=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F08-Gear-2-1024x676.png 1024w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F08-Gear-2-300x198.png 300w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F08-Gear-2-768x507.png 768w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F08-Gear-2-780x515.png 780w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F08-Gear-2.png 1084w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 8<\/strong><\/p>\n<p style=\"text-align: center;\">\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7609\" src=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3-1024x637.png\" alt=\"\" width=\"740\" height=\"460\" srcset=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3-1024x637.png 1024w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3-300x186.png 300w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3-768x477.png 768w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3-780x485.png 780w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3-1160x721.png 1160w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F09-Gear-3.png 1176w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 9<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Despu\u00e9s de limpiar las \u00e1reas afectadas, mueva la palanca de cambios varias veces por cada posici\u00f3n, incluyendo el bot\u00f3n de desbloqueo lateral y el bot\u00f3n Park (estacionamiento), con la ignici\u00f3n\/energ\u00eda encendidos y el motor apagado (modelos Silverado y Sierra). Accione la palanca de cambios por lo menos 10 veces.<\/p>\n<p>Utilice una herramienta de exploraci\u00f3n para borrar los c\u00f3digos DTC y monitoree si se establece cualquier c\u00f3digo.<\/p>\n<p>A continuaci\u00f3n, arranque el veh\u00edculo, aplique el freno y vuelve a mover la palanca de cambios. Si los botones ya no est\u00e1n atascados y se pueden seleccionar las velocidades sin que vuelvan a aparecer c\u00f3digos DTC, la reparaci\u00f3n est\u00e1 completa.<\/p>\n<p>Si cualquiera de los botones sigue atascado o si vuelven a aparecer los c\u00f3digos, se debe reemplazar el M\u00f3dulo de control de cambio de velocidad. (Fig. 10) Consulte Reemplazo del m\u00f3dulo de control de cambio de velocidad en la Informaci\u00f3n de servicio correspondiente.<\/p>\n<p style=\"text-align: center;\">\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7608\" src=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5-1024x690.png\" alt=\"\" width=\"740\" height=\"499\" srcset=\"https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5-1024x690.png 1024w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5-300x202.png 300w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5-768x517.png 768w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5-780x525.png 780w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5-1160x781.png 1160w, https:\/\/gm-techlinkspanish.com\/wp-content\/uploads\/2026\/09\/F10-Gear-5.png 1234w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 10<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Para informaci\u00f3n adicional, consulte el bolet\u00edn #26-NA-142.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Gracias a David MacGillis<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si uno de los botones del M\u00f3dulo de control de palanca de cambios (Fig. 6) se queda atascado en un veh\u00edculo Silverado 1500, Sierra 1500 o HUMMER EV 2022-2026, verifique [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[95],"tags":[],"class_list":["post-7607","post","type-post","status-publish","format-standard","hentry","category-2026-august"],"_links":{"self":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts\/7607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7607"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts\/7607\/revisions"}],"predecessor-version":[{"id":7613,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts\/7607\/revisions\/7613"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}