{"id":79190,"date":"2025-07-09T09:25:53","date_gmt":"2025-07-09T14:25:53","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79190"},"modified":"2025-07-09T09:37:34","modified_gmt":"2025-07-09T14:37:34","slug":"p2012-obd2-intake-manifold-runner-control-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2012-obd2-intake-manifold-runner-control-circuit-low","title":{"rendered":"P2012 OBD2: Intake Manifold Runner Control Circuit Low"},"content":{"rendered":"<p>The P2012 code is an OBD-II trouble code that indicates a low signal in the intake manifold runner control circuit. This code typically arises when the vehicle&#8217;s Powertrain Control Module (PCM) detects an issue with the intake manifold runner actuator&#8217;s operation.<\/p>\n<h2>What Does the P2012 Code Mean?<\/h2>\n<p>The P2012 code signifies that the intake manifold runner control circuit is not functioning as expected. This control is crucial for optimizing air flow into the engine, particularly at higher RPMs, which affects performance and efficiency.<\/p>\n<h2>What Causes the P2012 Code?<\/h2>\n<ul>\n<li>Intake manifold runner control actuator failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Restricted vacuum lines<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2012 Code?<\/h2>\n<p>Common symptoms associated with the P2012 code include:<\/p>\n<ul>\n<li>Check Engine Light illuminated<\/li>\n<li>Decreased engine performance<\/li>\n<li>Poor fuel economy<\/li>\n<li>Rough idling or stalling<\/li>\n<\/ul>\n<h2>How Serious Is the P2012 Code?<\/h2>\n<p>The P2012 code is considered to be of moderate severity. While it may not pose an immediate threat to safety or functionality, it is important to address it promptly to prevent further issues and maintain optimal engine performance.<\/p>\n<h2>How to Diagnose the P2012 Code<\/h2>\n<p>To diagnose the P2012 code, a mechanic will typically follow these steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the code and check for any additional codes.<\/li>\n<li>Inspect the intake manifold runner control actuator and associated wiring for damage or disconnections.<\/li>\n<li>Test the vacuum lines for restrictions or leaks.<\/li>\n<li>Evaluate the functionality of the PCM.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2012 Code<\/h2>\n<p>Repairs may include:<\/p>\n<ul>\n<li>Replacing the intake manifold runner control actuator<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Clearing any blockages in vacuum lines<\/li>\n<li>Replacing the PCM if it is diagnosed as faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2012 Code?<\/h2>\n<p>The cost to fix the P2012 code can vary significantly based on the specific issue and the vehicle make and model. On average, repairs can range from $100 to $800, depending on whether components need to be replaced or if extensive diagnostics are required.<\/p>\n<h2>Can I Fix the P2012 Code Myself?<\/h2>\n<p>While some vehicle owners may attempt to diagnose and repair the P2012 code themselves, it is recommended to seek professional help, especially if you lack the necessary tools and experience. Proper diagnosis is crucial to ensure the correct components are addressed, which can save time and money in the long run.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2012 code is an OBD-II trouble code that indicates a low signal in the intake manifold runner control circuit. This code typically arises when the vehicle&#8217;s Powertrain Control Module (PCM) detects an issue with the intake manifold runner actuator&#8217;s operation. What Does the P2012 Code Mean? The P2012 code signifies that the intake manifold &hellip;<\/p>\n","protected":false},"author":26,"featured_media":89649,"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-79190","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 v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P2012 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2012 code, what causes intake manifold runner control circuit low, 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\/p2012-obd2-intake-manifold-runner-control-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2012 OBD2: Intake Manifold Runner Control Circuit Low\" \/>\n<meta property=\"og:description\" content=\"The P2012 code is an OBD-II trouble code that indicates a low signal in the intake manifold runner control circuit. This code typically arises when the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2012-obd2-intake-manifold-runner-control-circuit-low\" \/>\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=\"2025-07-09T14:25:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-09T14:37:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low.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\" 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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\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p2012-obd2-intake-manifold-runner-control-circuit-low-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":"The P2012 code is an OBD-II trouble code that indicates a low signal in the intake manifold runner control circuit. This code typically arises when the vehicle&#8217;s Powertrain Control Module (PCM) detects an issue with the intake manifold runner actuator&#8217;s operation. What Does the P2012 Code Mean? The P2012 code signifies that the intake manifold&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79190","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=79190"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79190\/revisions"}],"predecessor-version":[{"id":89666,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79190\/revisions\/89666"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/89649"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}