{"id":79714,"date":"2025-06-05T13:40:57","date_gmt":"2025-06-05T18:40:57","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79714"},"modified":"2025-06-05T13:40:57","modified_gmt":"2025-06-05T18:40:57","slug":"p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit","title":{"rendered":"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit"},"content":{"rendered":"<p>The P2402 code is an OBD-II trouble code that indicates an issue with the Evaporative Emission System Leak Detection Pump Control Circuit. This code is triggered when the vehicle&#8217;s onboard computer detects that the leak detection pump is not functioning as it should.<\/p>\n<h2>What Does the P2402 Code Mean?<\/h2>\n<p>OBD-II Code P2402 is defined as a Evaporative Emission System Leak Detection Pump Control Circuit. The Leak Detection Pump is an essential component of the Evaporative Emissions System, responsible for detecting leaks in the fuel system.<\/p>\n<h2>What Causes the P2402 Code?<\/h2>\n<p>Several factors can lead to the activation of the P2402 code, including:<\/p>\n<ul>\n<li>Evap leak detection pump failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues, such as damaged or corroded wiring connections<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2402 Code?<\/h2>\n<p>Drivers may experience various symptoms when the P2402 code is present, including:<\/p>\n<ul>\n<li>Check Engine Light illuminated<\/li>\n<li>Failed emissions test<\/li>\n<li>Poor fuel economy<\/li>\n<li>Unusual engine performance<\/li>\n<\/ul>\n<h2>How Serious Is the P2402 Code?<\/h2>\n<p>While the P2402 code is classified as moderate severity, it does not pose an immediate threat to the vehicle&#8217;s safety or functionality. However, it is advisable to have it diagnosed and repaired in a timely manner to prevent further issues and maintain optimal vehicle performance.<\/p>\n<h2>How to Diagnose the P2402 Code<\/h2>\n<p>Diagnosing the P2402 code typically involves:<\/p>\n<ol>\n<li>Using an OBD-II scanner to confirm the presence of the code.<\/li>\n<li>Inspecting the wiring and connections related to the leak detection pump.<\/li>\n<li>Testing the functionality of the leak detection pump.<\/li>\n<li>Checking the Powertrain Control Module (PCM) for faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2402 Code<\/h2>\n<p>Common repairs to resolve the P2402 code may include:<\/p>\n<ul>\n<li>Replacing the evap leak detection pump if it is found to be faulty.<\/li>\n<li>Repairing or replacing damaged wiring or connectors.<\/li>\n<li>Reprogramming or replacing the Powertrain Control Module (PCM) if necessary.<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2402 Code?<\/h2>\n<p>The cost to fix the P2402 code can vary widely depending on the make and model of the vehicle, as well as the specific repairs needed. On average, repairs may range from $100 to $500, including parts and labor.<\/p>\n<h2>Can I Fix the P2402 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to address wiring issues or replace the evap leak detection pump, it is crucial to have the proper tools and knowledge to diagnose and repair the P2402 code accurately. If you are unsure, it is recommended to seek professional assistance from a certified mechanic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2402 code is an OBD-II trouble code that indicates an issue with the Evaporative Emission System Leak Detection Pump Control Circuit. This code is triggered when the vehicle&#8217;s onboard computer detects that the leak detection pump is not functioning as it should. What Does the P2402 Code Mean? OBD-II Code P2402 is defined as &hellip;<\/p>\n","protected":false},"author":26,"featured_media":88055,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[11987],"tags":[],"class_list":["post-79714","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-p-obd2-codes-powertrain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P2402 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2402 code, what causes evaporative emission system leak detection pump control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.\" \/>\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.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit\" \/>\n<meta property=\"og:description\" content=\"The P2402 code is an OBD-II trouble code that indicates an issue with the Evaporative Emission System Leak Detection Pump Control Circuit. This code is\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-05T18:40:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JC Landry\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:site\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"JC Landry\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit\",\"datePublished\":\"2025-06-05T18:40:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\"},\"wordCount\":417,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png\",\"articleSection\":[\"P Codes - OBD2 Powertrain Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\",\"name\":\"OBD2 Code P2402 \u2013 Causes, Symptoms, and Repairs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png\",\"datePublished\":\"2025-06-05T18:40:57+00:00\",\"description\":\"Learn all about the P2402 code, what causes evaporative emission system leak detection pump control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png\",\"width\":1200,\"height\":675,\"caption\":\"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\",\"name\":\"eManualOnline Blog\",\"description\":\"Free Tips on Car Service, Repair and General Stuff\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#organization\",\"name\":\"eManualOnline\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/cdm.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/LOGO-NEW.png\",\"contentUrl\":\"https:\\\/\\\/cdm.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/LOGO-NEW.png\",\"width\":512,\"height\":82,\"caption\":\"eManualOnline\"},\"image\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/EmanualOnline\\\/\",\"https:\\\/\\\/x.com\\\/eManualOnline\",\"https:\\\/\\\/www.instagram.com\\\/emanual.online\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/emanualonline\",\"https:\\\/\\\/www.pinterest.com\\\/emanualonline\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\",\"name\":\"JC Landry\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"contentUrl\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/Jee-150x150.jpg\",\"caption\":\"JC Landry\"},\"description\":\"JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of\u00a0TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.\",\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/jee514\",\"https:\\\/\\\/www.instagram.com\\\/rat_in_chief\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/jean-claude-landry-857781186\\\/\"],\"url\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/author\\\/jclandry\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"OBD2 Code P2402 \u2013 Causes, Symptoms, and Repairs","description":"Learn all about the P2402 code, what causes evaporative emission system leak detection pump control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit","og_locale":"en_US","og_type":"article","og_title":"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit","og_description":"The P2402 code is an OBD-II trouble code that indicates an issue with the Evaporative Emission System Leak Detection Pump Control Circuit. This code is","og_url":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit","og_site_name":"eManualOnline Blog","article_publisher":"https:\/\/www.facebook.com\/EmanualOnline\/","article_author":"https:\/\/www.facebook.com\/jee514","article_published_time":"2025-06-05T18:40:57+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png","type":"image\/png"}],"author":"JC Landry","twitter_card":"summary_large_image","twitter_creator":"@eManualOnline","twitter_site":"@eManualOnline","twitter_misc":{"Written by":"JC Landry","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#article","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit"},"author":{"name":"JC Landry","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403"},"headline":"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit","datePublished":"2025-06-05T18:40:57+00:00","mainEntityOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit"},"wordCount":417,"commentCount":0,"publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png","articleSection":["P Codes - OBD2 Powertrain Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#respond"]}],"copyrightYear":"2025","copyrightHolder":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"}},{"@type":"WebPage","@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit","url":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit","name":"OBD2 Code P2402 \u2013 Causes, Symptoms, and Repairs","isPartOf":{"@id":"https:\/\/www.emanualonline.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage"},"thumbnailUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png","datePublished":"2025-06-05T18:40:57+00:00","description":"Learn all about the P2402 code, what causes evaporative emission system leak detection pump control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.","breadcrumb":{"@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#primaryimage","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png","width":1200,"height":675,"caption":"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emanualonline.com\/blog\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emanualonline.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2402 OBD2: Evaporative Emission System Leak Detection Pump Control Circuit"}]},{"@type":"WebSite","@id":"https:\/\/www.emanualonline.com\/blog\/#website","url":"https:\/\/www.emanualonline.com\/blog\/","name":"eManualOnline Blog","description":"Free Tips on Car Service, Repair and General Stuff","publisher":{"@id":"https:\/\/www.emanualonline.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.emanualonline.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.emanualonline.com\/blog\/#organization","name":"eManualOnline","url":"https:\/\/www.emanualonline.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png","contentUrl":"https:\/\/cdm.emanualonline.com\/blog\/wp-content\/uploads\/2021\/04\/LOGO-NEW.png","width":512,"height":82,"caption":"eManualOnline"},"image":{"@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/EmanualOnline\/","https:\/\/x.com\/eManualOnline","https:\/\/www.instagram.com\/emanual.online\/","https:\/\/www.linkedin.com\/company\/emanualonline","https:\/\/www.pinterest.com\/emanualonline\/"]},{"@type":"Person","@id":"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403","name":"JC Landry","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","url":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","contentUrl":"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2020\/07\/Jee-150x150.jpg","caption":"JC Landry"},"description":"JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of\u00a0TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.","sameAs":["https:\/\/www.facebook.com\/jee514","https:\/\/www.instagram.com\/rat_in_chief\/","https:\/\/www.linkedin.com\/in\/jean-claude-landry-857781186\/"],"url":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2402-obd2-evaporative-emission-system-leak-detection-pump-control-circuit-1050x525.png",1050,525,true]},"uagb_author_info":{"display_name":"JC Landry","author_link":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"},"uagb_comment_info":0,"uagb_excerpt":"The P2402 code is an OBD-II trouble code that indicates an issue with the Evaporative Emission System Leak Detection Pump Control Circuit. This code is triggered when the vehicle&#8217;s onboard computer detects that the leak detection pump is not functioning as it should. What Does the P2402 Code Mean? OBD-II Code P2402 is defined as&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/comments?post=79714"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79714\/revisions"}],"predecessor-version":[{"id":86413,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79714\/revisions\/86413"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/88055"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}