{"id":2810,"date":"2025-05-10T12:30:56","date_gmt":"2025-05-10T16:30:56","guid":{"rendered":"https:\/\/documotors.com\/p0738\/"},"modified":"2025-05-10T12:30:56","modified_gmt":"2025-05-10T16:30:56","slug":"p0738","status":"publish","type":"post","link":"https:\/\/documotors.com\/wiki\/p0738\/","title":{"rendered":"P0738"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El c\u00f3digo P0738 se refiere a un error en la transmisi\u00f3n autom\u00e1tica que se detecta a trav\u00e9s del sistema de diagn\u00f3stico a bordo (OBD-II). Este c\u00f3digo indica un problema con la relaci\u00f3n de cambio incorrecta en la marcha alta (overdrive) del veh\u00edculo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:1.2em !important; border-bottom:1px solid #ccc !important; padding-bottom:0.8em !important; padding-top:1.2em !important; padding-right:25px; cursor:pointer; background:url(https:\/\/documotors.com\/wp-content\/uploads\/99174301744201836.svg) no-repeat right center; background-size:20px auto;\">Descripci\u00f3n del Error<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El c\u00f3digo de error P0738 se activa cuando la PCM (M\u00f3dulo de Control del Tren de Potencia) detecta que la relaci\u00f3n de cambio de la marcha alta (overdrive) no coincide con la relaci\u00f3n esperada. Esto puede deberse a problemas con los sensores de velocidad de entrada y salida de la transmisi\u00f3n, problemas mec\u00e1nicos en la transmisi\u00f3n, baja presi\u00f3n de fluido de transmisi\u00f3n, o incluso problemas en el convertidor de par.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:1.2em !important; border-bottom:1px solid #ccc !important; padding-bottom:0.8em !important; padding-top:1.2em !important; padding-right:25px; cursor:pointer; background:url(https:\/\/documotors.com\/wp-content\/uploads\/99174301744201836.svg) no-repeat right center; background-size:20px auto;\">Diagn\u00f3stico<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para diagnosticar el c\u00f3digo P0738, se recomienda realizar una inspecci\u00f3n visual de los cables y conectores relacionados con la transmisi\u00f3n, verificar el nivel y estado del fluido de transmisi\u00f3n, y realizar pruebas de funcionamiento de los sensores de velocidad de la transmisi\u00f3n. Adem\u00e1s, se puede utilizar un esc\u00e1ner automotriz para leer los c\u00f3digos de error y datos en tiempo real del sistema de transmisi\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:1.2em !important; border-bottom:1px solid #ccc !important; padding-bottom:0.8em !important; padding-top:1.2em !important; padding-right:25px; cursor:pointer; background:url(https:\/\/documotors.com\/wp-content\/uploads\/99174301744201836.svg) no-repeat right center; background-size:20px auto;\">\u00bfEs seguro conducir con el c\u00f3digo P0738?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Conducir con el c\u00f3digo P0738 activo puede resultar en un funcionamiento deficiente de la transmisi\u00f3n, lo que puede afectar la eficiencia y la seguridad del veh\u00edculo. Se recomienda abordar este problema lo antes posible para evitar da\u00f1os mayores en la transmisi\u00f3n y garantizar un funcionamiento \u00f3ptimo del veh\u00edculo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:1.2em !important; border-bottom:1px solid #ccc !important; padding-bottom:0.8em !important; padding-top:1.2em !important; padding-right:25px; cursor:pointer; background:url(https:\/\/documotors.com\/wp-content\/uploads\/99174301744201836.svg) no-repeat right center; background-size:20px auto;\">Posibles Soluciones<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Algunas posibles soluciones para el c\u00f3digo de error P0738 incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Revisar y reemplazar los sensores de velocidad de la transmisi\u00f3n si es necesario.<\/li><li>Verificar y corregir cualquier fuga de fluido de transmisi\u00f3n.<\/li><li>Inspeccionar y reparar posibles problemas mec\u00e1nicos en la transmisi\u00f3n.<\/li><li>Realizar una reprogramaci\u00f3n de la PCM si es necesario.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:1.2em !important; border-bottom:1px solid #ccc !important; padding-bottom:0.8em !important; padding-top:1.2em !important; padding-right:25px; cursor:pointer; background:url(https:\/\/documotors.com\/wp-content\/uploads\/99174301744201836.svg) no-repeat right center; background-size:20px auto;\">Prevenciones<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para prevenir la aparici\u00f3n del c\u00f3digo P0738, se recomienda realizar un mantenimiento regular de la transmisi\u00f3n, incluyendo cambios de aceite y filtro seg\u00fan las recomendaciones del fabricante. Adem\u00e1s, es importante conducir de manera suave y evitar aceleraciones bruscas que puedan afectar el funcionamiento de la transmisi\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:1.2em !important; border-bottom:1px solid #ccc !important; padding-bottom:0.8em !important; padding-top:1.2em !important; padding-right:25px; cursor:pointer; background:url(https:\/\/documotors.com\/wp-content\/uploads\/99174301744201836.svg) no-repeat right center; background-size:20px auto;\">C\u00f3digos Relacionados<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Algunos c\u00f3digos relacionados con el P0738 incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>P0730 \u2013 Relaci\u00f3n de cambio incorrecta<\/li><li>P0731 \u2013 Relaci\u00f3n de cambio incorrecta en la primera marcha<\/li><li>P0732 \u2013 Relaci\u00f3n de cambio incorrecta en la segunda marcha<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>El c\u00f3digo P0738 se refiere a un error en la transmisi\u00f3n autom\u00e1tica que se detecta a trav\u00e9s del sistema de diagn\u00f3stico a bordo (OBD-II). Este c\u00f3digo indica un problema con la relaci\u00f3n de cambio incorrecta en la marcha alta (overdrive) del veh\u00edculo.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[95],"tags":[96,90,133,112,18],"class_list":["post-2810","post","type-post","status-publish","format-standard","hentry","category-dtc","tag-codigos-dtc","tag-diagnosticos","tag-errores","tag-fallas","tag-sistemas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u25b7 C\u00f3digo de Error P0738 \u2013 Causas, S\u00edntomas y Reparaci\u00f3n<\/title>\n<meta name=\"description\" content=\"El c\u00f3digo P0738 se refiere a un error en la transmisi\u00f3n autom\u00e1tica que se detecta a trav\u00e9s del sistema de diagn\u00f3stico a bordo (OBD-II). 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