{"id":80067,"date":"2023-01-18T21:41:09","date_gmt":"2023-01-19T05:41:09","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=80067"},"modified":"2023-10-18T01:46:53","modified_gmt":"2023-10-18T08:46:53","slug":"p2331-code-ignition-coil-k-primary-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/","title":{"rendered":"P2331 Code: Ignition Coil K Primary Control Circuit High"},"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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_e23e67-d4 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_e23e67-d4 > .kt-inside-inner-col,.kadence-column_e23e67-d4 > .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_e23e67-d4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_e23e67-d4 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_e23e67-d4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_e23e67-d4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_e23e67-d4{position:relative;}@media all and (max-width: 1024px){.kadence-column_e23e67-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_e23e67-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_e23e67-d4 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-fa3a53  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-853ecf\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_6c7908-fc, .wp-block-kadence-advancedheading.kt-adv-heading_6c7908-fc[data-kb-block=\"kb-adv-heading_6c7908-fc\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_6c7908-fc mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_6c7908-fc[data-kb-block=\"kb-adv-heading_6c7908-fc\"] 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_6c7908-fc img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_6c7908-fc[data-kb-block=\"kb-adv-heading_6c7908-fc\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_6c7908-fc summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_6c7908-fc\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>DTC P2331 stands for &ldquo;Ignition Coil K Primary Control Circuit High.&rdquo; It&rsquo;s logged when the voltage in the ignition coil K circuit goes beyond the set range.<\/li><li>This trouble code is often caused by bad relays, blown fuses, and malfunctioning ignition coils.<\/li><li>Common symptoms of code P2331 include poor fuel economy, frequent engine misfires, and poor engine performance.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">P2331 is a generic code related to one of the ignition coils in your vehicle. Know more about it through this article.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2331 Code Mean?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><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) P2331 stands for &ldquo;Ignition Coil K Primary Control Circuit High.&rdquo; The code is set once the powertrain control module (PCM) has detected a voltage in the ignition coil K circuit that&rsquo;s higher than the set range. You can refer to your vehicle&rsquo;s manual to determine which ignition coil is designated &ldquo;K&rdquo; for your specific application.<\/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\/2023\/01\/ignition-coil-pack-insection-for-maintenance-1024x681.jpg\" alt=\"ignition coil pack insection for maintenance\" class=\"wp-image-80074\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance-1536x1022.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/ignition-coil-pack-insection-for-maintenance.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The P2331 code is set once the PCM has detected a voltage in the ignition coil K circuit that&rsquo;s higher than the set range.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you have significant DIY auto repair experience, you can get more related information in our advanced discussion about <a href=\"https:\/\/www.carparts.com\/blog\/p0351-code-ignition-coil-a-primary-secondary-circuit\/#A_Closer_Look_at_How_the_Primary_and_Secondary_Windings_of_Ignition_Coils_Work\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"how the primary and secondary windings of ignition coils work\">how the primary and secondary windings of ignition coils work<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\"><strong><em>Note:<\/em><\/strong><em> The definition of code P2331 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 P2331 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Bad relay<\/li><li>Blown fuse<\/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\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring\">Wiring<\/a> issues<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-ignition-coil-symptoms-5-signs-you-may-need-a-replacement\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Malfunctioning ignition coil\">Malfunctioning ignition coil<\/a><\/li><li>Bad crankshaft or camshaft wiring or sensor<\/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 Possible Symptoms of the P2331 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Poor engine performance<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-misfire-plus-common-obd-codes-linked-to-a-misfiring-engine\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Engine misfires\">Engine misfires<\/a><\/li><li>Poor fuel economy<\/li><li>Fuel injector operation may be disabled on the affected cylinder<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2331 Code<\/h2>\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\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-1024x682.jpg\" alt=\"car mechanics performing diagnostic on possible obd code\" class=\"wp-image-80083\" width=\"1024\" height=\"682\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/car-mechanics-performing-diagnostic-on-possible-obd-code.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The steps for diagnosing this trouble code may differ depending on the make and model of the vehicle.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Although DTC P2331 is a generic <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"trouble code\">trouble code<\/a>, it does not have a one-size-fits-all solution. The steps for diagnosing this trouble code may differ depending on the make and model of the vehicle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To diagnose the problem, you&rsquo;ll need specific tools as well as up-to-date technical information about the ignition system. If you&rsquo;re not familiar with vehicle repair and diagnosis, leave it to a reputable mechanic. Otherwise, you are free to investigate the problem on your own.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2331 Code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Clearing the P2331 error code can be challenging, especially if you lack the necessary DIY skills and automotive knowledge. If this is the case, you should take your vehicle to an auto repair shop and let a professional handle the problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you&rsquo;re confident in your ability to clear the 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=\"correct repair guide\">correct repair guide<\/a> on hand before you begin. You could look into vehicle-specific guides from places like Chilton or an ALLDATA subscription.<\/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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>P2331 is a generic code related to one of the ignition coils in your vehicle. Know more about it through&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":80075,"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":[1606,1038,1323,1169,1171],"ppma_author":[2607,2985],"class_list":["post-80067","post","type-post","status-publish","format-standard","has-post-thumbnail","category-obd-ii-trouble-codes","tag-distributor-cap-2","tag-distributor-rotor","tag-engine-control-module-2","tag-ignition-coil-2","tag-spark-plug-2","entry"],"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2331 Code: Ignition Coil K Primary Control Circuit High - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Here\u2019s the meaning behind a P2331 code as well as the most common causes and symptoms behind it. Read more.\" \/>\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\/p2331-code-ignition-coil-k-primary-control-circuit-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2331 Code: Ignition Coil K Primary Control Circuit High - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Here\u2019s the meaning behind a P2331 code as well as the most common causes and symptoms behind it. Read more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-19T05:41:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-18T08:46:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1331\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/thecpteam\\\/\",\"sameAs\":\"https:\\\/\\\/www.facebook.com\\\/carpartscom, https:\\\/\\\/twitter.com\\\/CarPartscom, https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/, https:\\\/\\\/www.instagram.com\\\/carpartscom\\\/\"},{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"Richard McCuistian\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/richardmccuistian\\\/\",\"sameAs\":\"https:\\\/\\\/www.linkedin.com\\\/in\\\/richard-mccuistian-2681891b\\\/, https:\\\/\\\/www.youtube.com\\\/user\\\/McCuistian\"}],\"headline\":\"P2331 Code: Ignition Coil K Primary Control Circuit High\",\"datePublished\":\"2023-01-19T05:41:09+00:00\",\"dateModified\":\"2023-10-18T08:46:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/\"},\"wordCount\":505,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/01\\\/automotive-mechanic-testing-and-checking-ignition-coils.jpg\",\"keywords\":[\"distributor-cap\",\"distributor-rotor\",\"engine-control-module\",\"ignition-coil\",\"spark-plug\"],\"articleSection\":[\"OBD-II Trouble Codes\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/\",\"name\":\"P2331 Code: Ignition Coil K Primary Control Circuit High - In The Garage with CarParts.com\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/01\\\/automotive-mechanic-testing-and-checking-ignition-coils.jpg\",\"datePublished\":\"2023-01-19T05:41:09+00:00\",\"dateModified\":\"2023-10-18T08:46:53+00:00\",\"description\":\"Here\u2019s the meaning behind a P2331 code as well as the most common causes and symptoms behind it. Read more.\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/01\\\/automotive-mechanic-testing-and-checking-ignition-coils.jpg\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/01\\\/automotive-mechanic-testing-and-checking-ignition-coils.jpg\",\"width\":2000,\"height\":1331,\"caption\":\"automotive mechanic testing and checking ignition coils\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/\",\"name\":\"In The Garage with CarParts.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\",\"name\":\"CarParts.com\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cp-itg-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cp-itg-logo.png\",\"width\":2048,\"height\":398,\"caption\":\"CarParts.com\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/carpartscom\",\"https:\\\/\\\/x.com\\\/carpartscom\",\"https:\\\/\\\/www.instagram.com\\\/carpartscom\",\"https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/\"]},{\"@type\":\"Person\",\"@id\":\"\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2331-code-ignition-coil-k-primary-control-circuit-high\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P2331 Code: Ignition Coil K Primary Control Circuit High - In The Garage with CarParts.com","description":"Here\u2019s the meaning behind a P2331 code as well as the most common causes and symptoms behind it. Read more.","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.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/","og_locale":"en_US","og_type":"article","og_title":"P2331 Code: Ignition Coil K Primary Control Circuit High - In The Garage with CarParts.com","og_description":"Here\u2019s the meaning behind a P2331 code as well as the most common causes and symptoms behind it. Read more.","og_url":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/","og_site_name":"In The Garage with CarParts.com","article_publisher":"https:\/\/www.facebook.com\/carpartscom","article_published_time":"2023-01-19T05:41:09+00:00","article_modified_time":"2023-10-18T08:46:53+00:00","og_image":[{"width":2000,"height":1331,"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_creator":"@carpartscom","twitter_site":"@carpartscom","twitter_misc":{"Written by":"","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/#article","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/"},"author":[{"@type":"Person","$id":"4","name":"CarParts.com Research Team","jobTitle":"Expert Automotive Writer","description":"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/","sameAs":"https:\/\/www.facebook.com\/carpartscom, https:\/\/twitter.com\/CarPartscom, https:\/\/www.youtube.com\/@CarPartscomOfficial\/, https:\/\/www.instagram.com\/carpartscom\/"},{"@type":"Person","$id":"4","name":"Richard McCuistian","jobTitle":"ASE Master Automobile Technician","description":"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.","knowsAbout":"Auto Repair, Car Maintenance, Auto Parts, Car Reviews","publishingPrinciples":"\/blog\/our-team\/","url":"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/","sameAs":"https:\/\/www.linkedin.com\/in\/richard-mccuistian-2681891b\/, https:\/\/www.youtube.com\/user\/McCuistian"}],"headline":"P2331 Code: Ignition Coil K Primary Control Circuit High","datePublished":"2023-01-19T05:41:09+00:00","dateModified":"2023-10-18T08:46:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/"},"wordCount":505,"commentCount":0,"publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","keywords":["distributor-cap","distributor-rotor","engine-control-module","ignition-coil","spark-plug"],"articleSection":["OBD-II Trouble Codes"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/","url":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/","name":"P2331 Code: Ignition Coil K Primary Control Circuit High - In The Garage with CarParts.com","isPartOf":{"@id":"https:\/\/www.carparts.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/#primaryimage"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/#primaryimage"},"thumbnailUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","datePublished":"2023-01-19T05:41:09+00:00","dateModified":"2023-10-18T08:46:53+00:00","description":"Here\u2019s the meaning behind a P2331 code as well as the most common causes and symptoms behind it. Read more.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/#primaryimage","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","width":2000,"height":1331,"caption":"automotive mechanic testing and checking ignition coils"},{"@type":"WebSite","@id":"https:\/\/www.carparts.com\/blog\/#website","url":"https:\/\/www.carparts.com\/blog\/","name":"In The Garage with CarParts.com","description":"","publisher":{"@id":"https:\/\/www.carparts.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.carparts.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.carparts.com\/blog\/#organization","name":"CarParts.com","url":"https:\/\/www.carparts.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/03\/cp-itg-logo.png","contentUrl":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/03\/cp-itg-logo.png","width":2048,"height":398,"caption":"CarParts.com"},"image":{"@id":"https:\/\/www.carparts.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/carpartscom","https:\/\/x.com\/carpartscom","https:\/\/www.instagram.com\/carpartscom","https:\/\/www.youtube.com\/@CarPartscomOfficial\/"]},{"@type":"Person","@id":"","url":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/automotive-mechanic-testing-and-checking-ignition-coils.jpg","author_info":{"display_name":"","author_link":"https:\/\/www.carparts.com\/blog\/p2331-code-ignition-coil-k-primary-control-circuit-high\/"},"authors":[{"term_id":2607,"user_id":1651,"is_guest":0,"slug":"thecpteam","display_name":"CarParts.com Research Team","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg"},"author_category":"","user_url":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/","last_name":"","first_name":"CarParts.com Research Team","job_title":"","description":"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust."},{"term_id":2985,"user_id":1646,"is_guest":0,"slug":"richardmccuistian","display_name":"Richard McCuistian, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png"},"author_category":"","user_url":"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/","last_name":"McCuistian","first_name":"Richard","job_title":"ASE Certified Master Automobile Technician","description":"<div class=\"auth-social-links\"><a href=\"https:\/\/www.linkedin.com\/in\/richard-mccuistian-2681891b\/\" class=\"btn\" rel=\"nofollow noopener\" target=\"_blank\" aria-label=\"linkedin\" aria-labelledby=\"linkedin\">LinkedIn<\/a><a href=\"https:\/\/www.youtube.com\/user\/McCuistian\" class=\"btn\" rel=\"nofollow noopener\" target=\"_blank\" aria-label=\"instagram\" aria-labelledby=\"instagram\">Youtube<\/a><\/div>\r\n\r\nRichard McCuistian grew up in Alabama learning from his father who ran an automotive repair shop. Richard has worked for nearly 50 years in the automotive field as a professional technician, an instructor, a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others (published every year since May 2000). He has developed training courses and written or edited training material for companies in the U.S. Canada, and the Netherlands, and even Bulgaria. He maintained an \u201cask a mechanic\u201d website for 10 years answering questions emailed to him from all over the world.\r\n\r\nRichard has an instructional automotive YouTube channel \u201cMcCuistian\u201d with 13,500 subscribers and over 1,300 videos. Much of his professional work requires photography and videography in shop environments, but Richard also enjoys taking pictures of landscapes, skyscapes, old barns and houses, small towns. He has produced a coffee table book of digital watercolors called \u201cMemories of South Alabama\u201d created from his personal photos, along with a dozen Christian fiction short original novels and a collection of short stories, all available in Kindle or softcover format. Richard has written a 2,500-word Bible study every week for the past 20 years and uses it to teach a small group at his church every Sunday morning.\r\n\r\n<strong>Credentials:<\/strong>\r\n\r\n<ul class=\"author-list\">\r\n<li><p>ASE Certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.<\/p><\/li>\r\n<li><p>Professional Mechanic\/Technician for 25 years with experience on diesel and gasoline engines, vehicles and equipment (including hydraulics).<\/p><\/li>\r\n<li><p>Spent 5 years in fleet maintenance, 20 years in independent shops and dealerships (VW, Mazda, Renault, Jeep, Ford, Lincoln), specializing in driveability and electronics for the last 14 years of his career at the same dealership.<\/p><\/li>\r\n<li><p>Senior Contributing Editor at Motor Age Magazine, first published in Motor Age in May of 2000 and every year since. He has won two International Automotive Media Awards for technical articles published in trade magazines.<\/p><\/li>\r\n<li><p>Has attended hundreds of hours of automotive training from OEMs including GM, Volkswagen, Mazda, Renault, Jeep, Chrysler, as well as additional training at events like KC Vision and MACS (Mobile Air Climate Systems Association).<\/p><\/li>\r\n<li><p>Taught college level auto mechanics for 19 years.<\/p><\/li>\r\n<li><p>Has written for automotive training companies (including course development work for training companies in Canada and the Netherlands) and has been hired to teach professional trade show technician courses at multiple training events in Texas and Alabama.<\/p><\/li>\r\n<li><p>While still teaching at the college level, Richard launched a new automotive program in Geneva, Alabama, setting up a dual enrollment department in a new building, organizing the shop and classroom, teaching morning classes to high school students for 2 years while still teaching at the college in the afternoon.<\/p><\/li>\r\n<li><p>Richard\u2019s college program at Lurleen B. Wallace Community College worked at professional shop speed during his tenure to prepare graduates for production level work in the real world.<\/p><\/li>\r\n<\/ul>"}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/80067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=80067"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/80067\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/80075"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=80067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=80067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=80067"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=80067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}