{"id":72789,"date":"2022-09-09T00:27:04","date_gmt":"2022-09-09T07:27:04","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=72789"},"modified":"2023-08-29T20:49:42","modified_gmt":"2023-08-30T03:49:42","slug":"p2419-code-evaporative-emission-system-switching-valve-control-circuit-low","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2419-code-evaporative-emission-system-switching-valve-control-circuit-low\/","title":{"rendered":"P2419 Code: Evaporative Emission System Switching Valve Control Circuit Low"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_0dd1a3-10 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_0dd1a3-10 > .kt-inside-inner-col,.kadence-column_0dd1a3-10 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_0dd1a3-10 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_0dd1a3-10 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_0dd1a3-10 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_0dd1a3-10 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_0dd1a3-10{position:relative;}@media all and (max-width: 1024px){.kadence-column_0dd1a3-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_0dd1a3-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_0dd1a3-10 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-435a20  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-bdaf89\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_1ba7d4-42, .wp-block-kadence-advancedheading.kt-adv-heading_1ba7d4-42[data-kb-block=\"kb-adv-heading_1ba7d4-42\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_1ba7d4-42 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_1ba7d4-42[data-kb-block=\"kb-adv-heading_1ba7d4-42\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_1ba7d4-42 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_1ba7d4-42[data-kb-block=\"kb-adv-heading_1ba7d4-42\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_1ba7d4-42 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_1ba7d4-42\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>A logged P2419 trouble code refers to a possible issue with the EVAP system&rsquo;s leak detection pump. This code can appear on vehicles that use a pump instead of a pressure sensor.<\/li><li>Potential causes for this code include a bad canister pump module, leaky EVAP hoses, and wiring problems, among others.<\/li><li>There are no other symptoms for this code except for an illuminated check engine light.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/evaporative-emission-control-evap-system-101-the-basics\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"evaporative emissions control (EVAP) system\">evaporative emissions control (EVAP) system<\/a> is designed to prevent fuel vapors from escaping into the atmosphere. To find leaks, some EVAP systems have a <a href=\"https:\/\/www.carparts.com\/evaporative-emissions-system-leak-detection-pump\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"leak detection pump\">leak detection pump<\/a>. The pump generates a vacuum in the system, which will quickly reveal the presence of a leak.<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) runs the leak detection pump after the vehicle has stayed still for several hours. If the pump doesn&rsquo;t activate or a vacuum doesn&rsquo;t form in the EVAP system, the control module will log a P2419 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2419 Code Mean?<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"diagnostic trouble code\">diagnostic trouble code<\/a> (DTC) P2419 indicates &ldquo;Evaporative Emission System Switching Valve Control Circuit Low.&rdquo; It applies to vehicles that use a leak detection pump instead of a <a href=\"https:\/\/www.carparts.com\/evaporative-emissions-system-pressure-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"pressure sensor\">pressure sensor<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system-1024x602.jpg\" alt=\"leak detection pump of evap system\" class=\"wp-image-72793\" width=\"1024\" height=\"602\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/leak-detection-pump-of-evap-system.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>To find leaks, some EVAP systems have a leak detection pump.<\/figcaption><\/figure>\n\n\n\n<p>The EVAP system keeps gasoline vapors from leaving the fuel system and entering the atmosphere as emissions. While it is a generally reliable system, the emission control system can develop problems that can trigger the check engine light and spell automatic failure during an OBD-II plug-in emissions test.<\/p>\n\n\n\n<p>In vehicles built from 1996 onward, the OBD-II EVAP monitor diagnoses the emission control system for any indications of a fuel vapor leak. When it detects a leak, the monitor will log the appropriate fault code in the PCM.<\/p>\n\n\n\n<p>To run the diagnostic check, the EVAP monitor needs certain conditions to be correct.&nbsp; Once these parameters are met, the monitor activates the leak detection pump.<\/p>\n\n\n\n<p>The leak detection pump pulls the EVAP system into a vacuum condition. It keeps track of the air pressure throughout the system and tests if the various parts can maintain the airtight seals.<\/p>\n\n\n\n<p>If the PCM notices that the leak detection pump isn&rsquo;t working or producing a vacuum, it will set the generic engine code P2419.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of code P2419 can differ according to the vehicle manufacturer. Check the appropriate repair manual or repair database for the exact code definition.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P2419 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Bad canister pump module<\/li><li>EVAP hose leaks or is pinched<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Faulty PCM\">Faulty PCM<\/a><\/li><li>Wiring problems, such as shorted and open wires<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2419 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2419 Code<\/h2>\n\n\n\n<p>The P2419 code is a generic engine code that various makes and models can log. However, this does not mean that there is a one-size-fits-all solution to identify its underlying problem.<\/p>\n\n\n\n<p>If you&rsquo;re not confident about conducting diagnostic tests on your vehicle, it&rsquo;s a good idea to bring it to a professional mechanic. Otherwise, you can go ahead and diagnose the issue yourself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2419 Code<\/h2>\n\n\n\n<p>Attempting to fix a P2419 code can become challenging if you don&rsquo;t have the right tools and know-how to test the leak detection pump. In most cases, it&rsquo;s best to leave the job to professionals.<\/p>\n\n\n\n<p>For DIYers with advanced technical knowledge and hands-on experience who prefer to test and replace their vehicle&rsquo;s leak detection pump on their own, it will be helpful to rely on the appropriate <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manual or refer to an online repair database\">repair manual or refer to an online repair database<\/a>.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The evaporative emissions control (EVAP) system is designed to prevent fuel vapors from escaping into the atmosphere. To find leaks,&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2419-code-evaporative-emission-system-switching-valve-control-circuit-low\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":72792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1314],"tags":[1323,3508,3148],"ppma_author":[2607,2855],"class_list":{"0":"post-72789","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"tag-evaporative-emissions-system-leak-detection-pump","10":"tag-evaporative-emissions-system-pressure-sensor","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2419 Code: Evaporative Emission System Switching Valve Control Circuit Low - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn what a P2419 code means, the possible causes, and the common symptoms associated with this code. Plus find out what you can do to resolve this trouble code.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/p2419-code-evaporative-emission-system-switching-valve-control-circuit-low\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2419 Code: Evaporative Emission System Switching Valve Control Circuit Low - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn what a P2419 code means, the possible causes, and the common symptoms associated with this code. 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