{"id":4053,"date":"2025-05-13T16:50:02","date_gmt":"2025-05-13T20:50:02","guid":{"rendered":"https:\/\/documotors.com\/p1938\/"},"modified":"2025-05-13T16:50:02","modified_gmt":"2025-05-13T20:50:02","slug":"p1938","status":"publish","type":"post","link":"https:\/\/documotors.com\/wiki\/p1938\/","title":{"rendered":"P1938"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El c\u00f3digo de error P1938 en el sistema OBD-II se refiere a un problema con el sensor de presi\u00f3n del colector de admisi\u00f3n. Este c\u00f3digo indica que el voltaje de referencia del sensor de presi\u00f3n del colector de admisi\u00f3n B est\u00e1 por encima del rango normal.<\/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 P1938 se activa cuando el PCM (M\u00f3dulo de Control del Tren de Potencia) detecta que el voltaje de referencia del sensor de presi\u00f3n del colector de admisi\u00f3n B est\u00e1 por encima del rango normal. Esto puede deberse a un problema con el sensor en s\u00ed, un cableado defectuoso o una conexi\u00f3n suelta.<\/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 P1938, se debe realizar una inspecci\u00f3n visual del sensor de presi\u00f3n del colector de admisi\u00f3n B y de su cableado. Se recomienda verificar que no haya conexiones sueltas o cables da\u00f1ados. Tambi\u00e9n se puede utilizar un esc\u00e1ner automotriz para verificar los valores de voltaje del sensor y compararlos con los valores especificados por el fabricante.<\/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 P1938?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si bien es posible que el veh\u00edculo siga siendo operable con el c\u00f3digo P1938, se recomienda abordar el problema lo antes posible para evitar da\u00f1os mayores en el sistema de admisi\u00f3n. Es importante realizar un diagn\u00f3stico adecuado y realizar las reparaciones necesarias para garantizar un funcionamiento \u00f3ptimo del motor.<\/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 P1938 incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Reemplazar el sensor de presi\u00f3n del colector de admisi\u00f3n B<\/li><li>Reparar o reemplazar el cableado defectuoso<\/li><li>Verificar y corregir las conexiones sueltas<\/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 recurrencia del c\u00f3digo P1938, se recomienda realizar un mantenimiento regular del sistema de admisi\u00f3n y del sensor de presi\u00f3n del colector. Adem\u00e1s, es importante revisar peri\u00f3dicamente el estado del cableado y las conexiones para evitar problemas futuros.<\/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 con el error P1938<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>P1937 \u2013 Voltaje de referencia del sensor de presi\u00f3n del colector de admisi\u00f3n A por encima del rango normal<\/li><li>P1939 \u2013 Voltaje de referencia del sensor de presi\u00f3n del colector de admisi\u00f3n B por debajo del rango normal<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>El c\u00f3digo de error P1938 en el sistema OBD-II se refiere a un problema con el sensor de presi\u00f3n del colector de admisi\u00f3n. Este c\u00f3digo indica que el voltaje de referencia del sensor de presi\u00f3n del colector de admisi\u00f3n B est\u00e1 por encima del rango normal.<\/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-4053","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 P1938 \u2013 Causas, S\u00edntomas y Reparaci\u00f3n<\/title>\n<meta name=\"description\" content=\"El c\u00f3digo de error P1938 en el sistema OBD-II se refiere a un problema con el sensor de presi\u00f3n del colector de admisi\u00f3n. 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