{"id":77612,"date":"2025-09-02T13:53:41","date_gmt":"2025-09-02T18:53:41","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77612"},"modified":"2025-09-02T14:12:15","modified_gmt":"2025-09-02T19:12:15","slug":"p0350-obd2-ignition-coil-primary-secondary-circuit","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0350-obd2-ignition-coil-primary-secondary-circuit","title":{"rendered":"P0350 OBD2: Ignition Coil Primary\/Secondary Circuit"},"content":{"rendered":"<h2>What Does the P0350 Code Mean?<\/h2>\n<p>OBD-II Code P0350 is defined as an Ignition Coil Primary\/Secondary Circuit. This code indicates that there is an issue with the ignition coil or coils responsible for igniting the air\/fuel mixture inside the combustion chambers. When the engine control module (PCM) cannot control the ignition coil, it triggers the P0350 code.<\/p>\n<h2>What Causes the P0350 Code?<\/h2>\n<p>Several factors can cause the P0350 code, including:<\/p>\n<ul>\n<li>Ignition coil failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues<\/li>\n<\/ul>\n<p>Each of these components plays a critical role in the ignition system, and problems in any of them can lead to the P0350 code being set.<\/p>\n<h2>What Are the Symptoms of the P0350 Code?<\/h2>\n<p>Drivers may experience the following symptoms when the P0350 code is present:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<p>These symptoms can affect the overall drivability of the vehicle and may lead to further complications if not addressed.<\/p>\n<h2>How Serious Is the P0350 Code?<\/h2>\n<p>The P0350 code is considered urgent. Immediate action is necessary as this malfunction can cause severe damage to the vehicle and may pose safety risks to the driver and passengers. Ignoring this code can lead to more significant issues down the road.<\/p>\n<h2>How to Diagnose the P0350 Code<\/h2>\n<p>Diagnosing the P0350 code involves several steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the code and check for any related codes.<\/li>\n<li>Inspect the ignition coil and associated wiring for damage or wear.<\/li>\n<li>Test the ignition coil&#8217;s resistance and performance.<\/li>\n<li>Check the PCM for faults and ensure it is functioning properly.<\/li>\n<\/ol>\n<p>Proper diagnosis is crucial to identify the exact cause of the issue.<\/p>\n<h2>Common Repairs for the P0350 Code<\/h2>\n<p>Repairs for the P0350 code may include:<\/p>\n<ul>\n<li>Ignition coil replacement<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Replacing the PCM, if necessary<\/li>\n<\/ul>\n<p>Addressing these repairs promptly can restore proper vehicle function.<\/p>\n<h2>How Much Does It Cost to Fix the P0350 Code?<\/h2>\n<p>The cost to fix the P0350 code can vary widely depending on the underlying problem. On average, you may expect to pay between $100 to $600. Labor and parts costs will influence the total expense.<\/p>\n<h2>Can I Fix the P0350 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may attempt to fix the P0350 code themselves, it is recommended to have a professional mechanic diagnose and repair the issue. Ignition system problems can be complex, and improper repairs can lead to further complications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0350 Code Mean? OBD-II Code P0350 is defined as an Ignition Coil Primary\/Secondary Circuit. This code indicates that there is an issue with the ignition coil or coils responsible for igniting the air\/fuel mixture inside the combustion chambers. When the engine control module (PCM) cannot control the ignition coil, it triggers the &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94800,"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-77612","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 v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OBD2 Code P0350 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0350 code, what causes ignition coil primary\/secondary 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\/p0350-obd2-ignition-coil-primary-secondary-circuit\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0350 OBD2: Ignition Coil Primary\/Secondary Circuit\" \/>\n<meta property=\"og:description\" content=\"What Does the P0350 Code Mean? 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This code indicates that there is an issue with\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0350-obd2-ignition-coil-primary-secondary-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=\"2025-09-02T18:53:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-02T19:12:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-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\/p0350-obd2-ignition-coil-primary-secondary-circuit#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0350-obd2-ignition-coil-primary-secondary-circuit\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0350 OBD2: Ignition Coil Primary\/Secondary Circuit\",\"datePublished\":\"2025-09-02T18:53:41+00:00\",\"dateModified\":\"2025-09-02T19:12:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0350-obd2-ignition-coil-primary-secondary-circuit\"},\"wordCount\":401,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0350-obd2-ignition-coil-primary-secondary-circuit#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit.png\",\"articleSection\":[\"P Codes - 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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\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-circuit-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0350-obd2-ignition-coil-primarysecondary-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":"What Does the P0350 Code Mean? OBD-II Code P0350 is defined as an Ignition Coil Primary\/Secondary Circuit. This code indicates that there is an issue with the ignition coil or coils responsible for igniting the air\/fuel mixture inside the combustion chambers. When the engine control module (PCM) cannot control the ignition coil, it triggers the&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77612","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=77612"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77612\/revisions"}],"predecessor-version":[{"id":94886,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77612\/revisions\/94886"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94800"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}