{"id":80450,"date":"2025-04-27T11:02:39","date_gmt":"2025-04-27T16:02:39","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80450"},"modified":"2025-06-04T05:17:58","modified_gmt":"2025-06-04T10:17:58","slug":"p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high","title":{"rendered":"P3496 OBD2: Cylinder 12 Exhaust Valve Control Circuit High"},"content":{"rendered":"<h2>What Does the P3496 Code Mean?<\/h2>\n<p>The P3496 code is an OBD-II trouble code that indicates a malfunction in the exhaust valve control circuit for cylinder 12. This code is set when the engine&#8217;s control module (PCM) detects that the exhaust valve for that specific cylinder is not operating correctly as commanded, often related to cylinder deactivation systems.<\/p>\n<h2>What Causes the P3496 Code?<\/h2>\n<p>Several factors can trigger the P3496 code, including:<\/p>\n<ul>\n<li>Engine oil level being too low<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Variable valve timing solenoid failure<\/li>\n<li>Wiring issues affecting the exhaust valve control circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P3496 Code?<\/h2>\n<p>The symptoms of a P3496 code may include:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P3496 Code?<\/h2>\n<p>The P3496 code is considered urgent, indicating that immediate action is necessary to avoid severe damage to the vehicle or potential harm to the driver and passengers. Delaying repairs can lead to further engine complications.<\/p>\n<h2>How to Diagnose the P3496 Code<\/h2>\n<p>Diagnosing the P3496 code involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P3496 code and check for any related codes.<\/li>\n<li>Inspect the engine oil level and condition.<\/li>\n<li>Examine the wiring and connectors associated with the exhaust valve control circuit.<\/li>\n<li>Test the variable valve timing solenoid and PCM functionality.<\/li>\n<\/ol>\n<h2>Common Repairs for the P3496 Code<\/h2>\n<p>Common repairs to address the P3496 code may include:<\/p>\n<ul>\n<li>Refilling or changing the engine oil<\/li>\n<li>Replacing the variable valve timing solenoid<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P3496 Code?<\/h2>\n<p>The cost to repair the P3496 code can vary significantly based on the underlying issue. Simple repairs, like an oil change, may cost under $100, while more complex repairs, such as PCM replacement, could range from $500 to $1500 or more depending on labor and parts.<\/p>\n<h2>Can I Fix the P3496 Code Myself?<\/h2>\n<p>While some basic checks, like oil level verification, can be done by the vehicle owner, diagnosing and repairing the P3496 code typically requires automotive expertise and specialized tools. For best results and to avoid further damage, it&#8217;s recommended to seek professional assistance for this code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P3496 Code Mean? The P3496 code is an OBD-II trouble code that indicates a malfunction in the exhaust valve control circuit for cylinder 12. This code is set when the engine&#8217;s control module (PCM) detects that the exhaust valve for that specific cylinder is not operating correctly as commanded, often related to &hellip;<\/p>\n","protected":false},"author":26,"featured_media":80637,"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-80450","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 P3496 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P3496 code, what causes cylinder 12 exhaust valve control circuit high, and how to diagnose and fix common issues 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\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P3496 OBD2: Cylinder 12 Exhaust Valve Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"What Does the P3496 Code Mean? The P3496 code is an OBD-II trouble code that indicates a malfunction in the exhaust valve control circuit for cylinder 12.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high\" \/>\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=\"2025-04-27T16:02:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:17:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high.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\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P3496 OBD2: Cylinder 12 Exhaust Valve Control Circuit High\",\"datePublished\":\"2025-04-27T16:02:39+00:00\",\"dateModified\":\"2025-06-04T10:17:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high\"},\"wordCount\":374,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p3496-obd2-cylinder-12-exhaust-valve-control-circuit-high.png\",\"articleSection\":[\"P Codes - 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The P3496 code is an OBD-II trouble code that indicates a malfunction in the exhaust valve control circuit for cylinder 12. This code is set when the engine&#8217;s control module (PCM) detects that the exhaust valve for that specific cylinder is not operating correctly as commanded, often related to&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80450","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=80450"}],"version-history":[{"count":4,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80450\/revisions"}],"predecessor-version":[{"id":80659,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80450\/revisions\/80659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/80637"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}