{"id":76106,"date":"2022-10-16T16:25:39","date_gmt":"2022-10-16T23:25:39","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=76106"},"modified":"2023-08-17T18:52:30","modified_gmt":"2023-08-18T01:52:30","slug":"p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction\/","title":{"rendered":"P0358 Code: Ignition Coil H Primary\/Secondary Circuit Malfunction"},"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_f43d45-13 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_f43d45-13 > .kt-inside-inner-col,.kadence-column_f43d45-13 > .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_f43d45-13 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_f43d45-13 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_f43d45-13 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_f43d45-13 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_f43d45-13{position:relative;}@media all and (max-width: 1024px){.kadence-column_f43d45-13 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_f43d45-13 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_f43d45-13 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-877a50  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-81e180\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_b43401-54, .wp-block-kadence-advancedheading.kt-adv-heading_b43401-54[data-kb-block=\"kb-adv-heading_b43401-54\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_b43401-54 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_b43401-54[data-kb-block=\"kb-adv-heading_b43401-54\"] 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_b43401-54 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_b43401-54[data-kb-block=\"kb-adv-heading_b43401-54\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_b43401-54 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_b43401-54\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P0358 code stands for &ldquo;Ignition Coil H Primary\/Secondary Circuit Malfunction.&rdquo;<\/li><li>It is set when an open or short is detected in the driver circuit for coil #8.<\/li><li>The most common triggers for this code include a malfunctioning coil, circuit problems, and a PCM in need of a software update.<\/li><li>Common symptoms include an illuminated check engine light and engine misfire.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The ignition coil or coils in the engine are in charge of supplying voltage to the <a href=\"https:\/\/www.carparts.com\/spark-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plugs\">spark plugs<\/a> to ignite the combustion chamber&rsquo;s air\/fuel mixture. The vehicle will misfire if the ignition coil(s) do not perform reliably. P0358 is a generic trouble code that&rsquo;s related to ignition coils.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0358 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> P0358 stands for &ldquo;Ignition Coil H Primary\/Secondary Circuit Malfunction.&rdquo;<\/p>\n\n\n\n<p>Modern engines use a coil on plug ignition system. In this type of system, 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) controls the individual coil for each cylinder.<\/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\/10\/car-ignition-coil-on-top-of-engine-p0358-code-1024x683.jpg\" alt=\"car ignition coil on top of engine p0358 code\" class=\"wp-image-76107\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-ignition-coil-on-top-of-engine-p0358-code-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Modern engines use a coil on plug ignition system.<\/figcaption><\/figure>\n\n\n\n<p>By placing the coil directly above the spark plug, it eliminates the need for <a href=\"https:\/\/www.carparts.com\/spark-plug-wire\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plug wires\">spark plug wires<\/a>. Each coil has at least two wires dedicated to it. One is a battery feed, which is typically supplied by the power distribution center, while the other wire is the PCM&rsquo;s coil driver circuit.<\/p>\n\n\n\n<p>To activate or deactivate the coil, the PCM grounds or ungrounds this circuit. The PCM checks for faults in the coil driver circuit.<\/p>\n\n\n\n<p>A P0358 might be set if an open or short is detected in the driver circuit for coil #8. Depending on the vehicle, the PCM might also disable the fuel injector to the cylinder.<\/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 code P0358 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 P0358 Code?<\/h2>\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<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-ignition-coil-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Malfunctioning coil\">Malfunctioning coil<\/a><\/li><li>Circuit issues, such as a damaged wire or poor connection<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"An issue with the PCM\">An issue with the PCM<\/a>, such as software in need of an update<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0358 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><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 misfire\">Engine misfire<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0358 Code<\/h2>\n\n\n\n<p>P0358 is a generic trouble code, so various vehicles can log it. But that doesn&rsquo;t mean that there is a repair procedure that would work for all makes and models.<\/p>\n\n\n\n<p>It&rsquo;s best to leave the job to a certified mechanic. But if you&rsquo;re confident you have the tools and knowledge to diagnose the issue yourself, you can do it on your own. Here is a video of what the diagnostic procedure for this code might involve:<\/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=\"Ford Ignition Coil Primary Codes P0351-P0360 Diagnostic Walkthrough\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/ho3Kyps2i34?start=207&amp;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<h2 class=\"wp-block-heading\">How to Fix the P0358 Code<\/h2>\n\n\n\n<p>Fixing a P0358 code can be tricky, especially if you&rsquo;re not familiar with the repair process. It&rsquo;s why most people prefer to let licensed mechanics resolve the problem because they can ensure that all steps and protocols are followed properly.<\/p>\n\n\n\n<p>However, if you believe you can solve the issue on your own, be sure you are well-informed before moving further. Keep in mind that there isn&rsquo;t a universal fix that applies to all makes and models. So make sure you consult a vehicle-specific <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 online repair database\">repair manual or online repair database<\/a> before you get started.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get an Ignition Coil for Your Vehicle<\/h2>\n\n\n\n<p>One of the most common causes for a P0327 is a faulty ignition coil that needs to be replaced. Thankfully, finding the right ignition coil that&rsquo;s compatible with your vehicle model is easy here at CarParts.com.<\/p>\n\n\n\n<p>Going to brick-and-mortar stores is a thing of the past because you can conveniently get a new ignition coil from the comfort of your own home. Just type your vehicle&rsquo;s make, model, and engine type in our vehicle selector to see a narrowed-down list of compatible parts. Our ignition coils are obtained from some of the industry&rsquo;s most reputable brands, and our warehouses are conveniently located across the US. This means you&rsquo;ll be able to receive your orders within just a few days regardless of where you live.<\/p>\n\n\n\n<p>Don&rsquo;t wait until your engine&rsquo;s misfires worsen. Get OE-grade <a href=\"https:\/\/www.carparts.com\/ignition-coil\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ignition coils\">ignition coils<\/a> for your vehicle here at CarParts.com now!<\/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 ignition coil or coils in the engine are in charge of supplying voltage to the spark plugs to ignite&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":76108,"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":[1169,1171,1035],"ppma_author":[2607,2855],"class_list":{"0":"post-76106","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-ignition-coil-2","9":"tag-spark-plug-2","10":"tag-spark-plug-wire","11":"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>P0358 Code: Ignition Coil H Primary\/Secondary Circuit Malfunction - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what the P0358 code means, its common causes, and the symptoms related to this 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\/p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0358 Code: Ignition Coil H Primary\/Secondary Circuit Malfunction - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what the P0358 code means, its common causes, and the symptoms related to this code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction\/\" \/>\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=\"2022-10-16T23:25:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-18T01:52:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/mechanic-holds-ignition-coil-p0358-code.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1333\" \/>\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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0358-code-ignition-coil-h-primary-secondary-circuit-malfunction\\\/\"},\"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. 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