{"id":1870,"date":"2025-04-10T06:15:30","date_gmt":"2025-04-10T10:15:30","guid":{"rendered":"https:\/\/documotors.com\/?p=1870"},"modified":"2025-04-10T06:15:31","modified_gmt":"2025-04-10T10:15:31","slug":"p0073","status":"publish","type":"post","link":"https:\/\/documotors.com\/wiki\/p0073\/","title":{"rendered":"P0073"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El c\u00f3digo DTC P0073 se refiere a una se\u00f1al el\u00e9ctrica anormalmente alta proveniente del sensor de temperatura ambiente (Ambient Air Temperature Sensor \u2013 AAT). Este c\u00f3digo de error OBDII es com\u00fan cuando hay una falla en el cableado, un sensor abierto o un conector desconectado, lo que lleva a la ECU a interpretar una temperatura exterior irrealmente elevada.<\/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 sensor de temperatura ambiente funciona con una resistencia NTC, que disminuye su resistencia el\u00e9ctrica a medida que aumenta la temperatura. Cuando hay una interrupci\u00f3n en el circuito, como un cable roto o un conector suelto, la ECU puede interpretar una se\u00f1al de voltaje demasiado alta, lo cual equivale a una temperatura extremadamente c\u00e1lida o incluso irreal. Esto puede alterar el funcionamiento del aire acondicionado, ventiladores el\u00e9ctricos y otros sistemas dependientes de esta se\u00f1al.<\/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\">El diagn\u00f3stico comienza con un escaneo completo para confirmar el c\u00f3digo. Se revisa la ubicaci\u00f3n del sensor, que com\u00fanmente se encuentra en la parrilla frontal o cerca del radiador. Es fundamental inspeccionar los conectores y cables en busca de da\u00f1os o desconexiones. Con un mult\u00edmetro se puede comprobar si hay continuidad en el circuito y cu\u00e1l es el voltaje presente. Tambi\u00e9n se puede medir la resistencia del sensor en fr\u00edo y compararla con la tabla del 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 grave el c\u00f3digo P0073?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">No afecta directamente el funcionamiento del motor, pero s\u00ed puede interferir con sistemas de confort (como el climatizador autom\u00e1tico) y, en algunos modelos, con las estrategias de gesti\u00f3n t\u00e9rmica. Tambi\u00e9n puede generar incomodidad al conducir en climas extremos si la climatizaci\u00f3n no opera correctamente.<\/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<ul class=\"wp-block-list\">\n<li>Reconectar o reemplazar el sensor de temperatura ambiente si est\u00e1 suelto o da\u00f1ado.<\/li>\n\n\n\n<li>Reparar o cambiar el cableado si presenta circuito abierto o resistencia infinita.<\/li>\n\n\n\n<li>Limpiar los conectores si est\u00e1n sucios o corro\u00eddos.<\/li>\n\n\n\n<li>Restablecer el c\u00f3digo con un esc\u00e1ner automotriz una vez corregido el problema.<\/li>\n<\/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<ul class=\"wp-block-list\">\n<li>Inspeccionar regularmente el sensor, especialmente despu\u00e9s de choques frontales o reparaciones en la zona delantera.<\/li>\n\n\n\n<li>Proteger los conectores el\u00e9ctricos con grasa diel\u00e9ctrica si el clima es muy h\u00famedo.<\/li>\n\n\n\n<li>Evitar empalmes improvisados o modificaciones en el cableado original.<\/li>\n\n\n\n<li>Mantener limpio el \u00e1rea donde se aloja el sensor.<\/li>\n<\/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;\">C\u00f3digos relacionados con el P0073<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P0070<\/strong> \u2013 Sensor de temperatura ambiente, circuito<\/li>\n\n\n\n<li><strong>P0071<\/strong> \u2013 Sensor de temperatura ambiente, rendimiento<\/li>\n\n\n\n<li><strong>P0072<\/strong> \u2013 Sensor de temperatura ambiente, se\u00f1al baja<\/li>\n\n\n\n<li><strong>P0112<\/strong> \u2013 Sensor IAT, entrada baja<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>El c\u00f3digo DTC P0073 se refiere a una se\u00f1al el\u00e9ctrica anormalmente..<\/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":[96,90,18],"class_list":["post-1870","post","type-post","status-publish","format-standard","hentry","category-dtc","tag-codigos-dtc","tag-diagnosticos","tag-sistemas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00f3digo de Error P0073 \u2013 Sensor de temperatura ambiente: entrada alta<\/title>\n<meta name=\"description\" content=\"El c\u00f3digo DTC P0073 se refiere a una se\u00f1al el\u00e9ctrica anormalmente alta proveniente del sensor de temperatura ambiente (Ambient Air Temperature Sensor -\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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