{"id":72161,"date":"2022-09-02T00:41:48","date_gmt":"2022-09-02T07:41:48","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=72161"},"modified":"2023-09-29T02:04:03","modified_gmt":"2023-09-29T09:04:03","slug":"p2314-code-ignition-coil-e-secondary-circuit","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2314-code-ignition-coil-e-secondary-circuit\/","title":{"rendered":"P2314 Code: Ignition Coil \u201cE\u201d Secondary Circuit"},"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_83bd3e-fe > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_83bd3e-fe > .kt-inside-inner-col,.kadence-column_83bd3e-fe > .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_83bd3e-fe > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_83bd3e-fe > .kt-inside-inner-col{flex-direction:column;}.kadence-column_83bd3e-fe > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_83bd3e-fe > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_83bd3e-fe{position:relative;}@media all and (max-width: 1024px){.kadence-column_83bd3e-fe > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_83bd3e-fe > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_83bd3e-fe qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-140c7c  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-92d742\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_83d23e-a5, .wp-block-kadence-advancedheading.kt-adv-heading_83d23e-a5[data-kb-block=\"kb-adv-heading_83d23e-a5\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_83d23e-a5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_83d23e-a5[data-kb-block=\"kb-adv-heading_83d23e-a5\"] 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_83d23e-a5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_83d23e-a5[data-kb-block=\"kb-adv-heading_83d23e-a5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_83d23e-a5 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_83d23e-a5\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code (DTC) P2314 stands for &ldquo;Ignition Coil &lsquo;E&rsquo; Secondary Circuit.&rdquo; Code P2314 triggers when the powertrain control module (PCM) is unable to control the ignition coil designated &ldquo;E.&rdquo;<\/li><li>Common causes of the P2314 code include ignition coil failure, PCM failure, and a bad spark plug or spark plug wire.<\/li><li>Common symptoms of the P2314 code include an illuminated check engine light, poor fuel economy, and decreased engine performance.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>An <a href=\"https:\/\/www.carparts.com\/ignition-coil\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ignition coil\">ignition coil<\/a> activates a <a href=\"https:\/\/www.carparts.com\/spark-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plug\">spark plug<\/a> by transforming low voltage primary current into high voltage secondary current. As the driver turns on the <a href=\"https:\/\/www.carparts.com\/ignition-switch\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ignition switch\">ignition switch<\/a>, voltage runs through the coil&rsquo;s positive and negative terminals given that the primary windings have continuity. These processes ignite the air-fuel mixture inside the combustion chambers. If 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) detects a problem with the ignition coil\/s, on-board diagnostics (OBD) will log a P2314 code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2314 Code Mean?<\/h2>\n\n\n\n<p><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) P2314 stands for &ldquo;Ignition Coil &lsquo;E&rsquo; Secondary Circuit.&rdquo;<\/p>\n\n\n\n<p>An ignition coil has a positive and negative terminal with the latter connected to a control module. This opens and closes the ground return path of the primary ignition circuit.<\/p>\n\n\n\n<p>When the current is shut off, high voltage is generated in the secondary windings and the electromagnetic field around the ferrous of the coil collapses.<\/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\/08\/car-ignition-coils-installed-1024x684.jpg\" alt=\"car ignition coils installed\" class=\"wp-image-72163\" width=\"1024\" height=\"684\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-1024x684.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-1536x1025.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/car-ignition-coils-installed-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>An ignition coil has a positive and negative terminal with the latter connected to a control module.<\/figcaption><\/figure>\n\n\n\n<p>Transistors in the PCM turn the ignition coils on and off. Once the PCM is unable to control the ignition coil designated &ldquo;E&rdquo;, a P2314 will be stored.<\/p>\n\n\n\n<p>You may also watch this video to understand how ignition coil works:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How Ignition Coils Work | CarParts.com Parts Explained\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/87d2bGdO0IU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of <\/em><em>code P2314<\/em><em> might be different depending on the vehicle manufacturer. Consult 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 P2314 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-ignition-coil-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Ignition coil failure\">Ignition coil failure<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM failure\">PCM failure<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-spark-plug-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Bad spark plug\">Bad spark plug<\/a> or spark plug wire<\/li><li>Malfunctioning relay<\/li><li>Blown fuse<\/li><li>Circuit issues, such as a damaged wire or poor connection<\/li><\/ul>\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<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2314 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><li>Poor fuel economy<\/li><li>Decreased engine performance<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/cylinder-misfire-causes-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Engine misfire\">Engine misfire<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2314 Code<\/h2>\n\n\n\n<p>DTC P2314 is a generic powertrain code that can be logged in vehicles with an OBD-II system. While this might be the case, keep in mind that the steps for diagnosis and repair can vary, depending on vehicle specifications.<\/p>\n\n\n\n<p>Diagnosing trouble codes will require you to use certain tools and keep an eye out for visible damage in the affected system. If you&rsquo;re not sure what to look for, it might be best to have a certified mechanic inspect your vehicle for you.<\/p>\n\n\n\n<p>But if you think you can work your way around diagnosing trouble codes, then you can go ahead and do it yourself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2314 Code<\/h2>\n\n\n\n<p>Attempting to fix a P2314 code can be confusing and frustrating especially if you lack the technical knowledge and equipment. Under these circumstances, it&rsquo;s best to have a trained professional do the necessary repairs for you to ensure that all steps and protocols are followed correctly.<\/p>\n\n\n\n<p>But if you think you know enough about automotive repair to do resolve the trouble code on your own, make sure you have the <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"right manuals\">right manuals<\/a> before proceeding. Keep in mind that there is no umbrella fix for all codes, so having vehicle-specific repair information is a must. You can check out guides like those from Chilton or an ALLDATA subscription to get make-model-specific information before working on your vehicle.<\/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>An ignition coil activates a spark plug by transforming low voltage primary current into high voltage secondary current. As the&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2314-code-ignition-coil-e-secondary-circuit\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":72162,"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":[1323,1169,1170,1171],"ppma_author":[2607,2855],"class_list":{"0":"post-72161","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-ignition-coil-2","10":"tag-ignition-switch-2","11":"tag-spark-plug-2","12":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2314 Code: Ignition Coil \u201cE\u201d Secondary Circuit - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Check out the definition, common causes, and symptoms of code P2314. Learn what to do if you get this code on your scanner.\" \/>\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\/p2314-code-ignition-coil-e-secondary-circuit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2314 Code: Ignition Coil \u201cE\u201d Secondary Circuit - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Check out the definition, common causes, and symptoms of code P2314. 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