{"id":80066,"date":"2025-05-25T11:13:19","date_gmt":"2025-05-25T16:13:19","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80066"},"modified":"2025-06-04T05:11:03","modified_gmt":"2025-06-04T10:11:03","slug":"p2664-obd2-b-rocker-arm-actuator-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high","title":{"rendered":"P2664 OBD2: &#8220;B&#8221; Rocker Arm Actuator Control Circuit High"},"content":{"rendered":"<h2>What Does the P2664 Code Mean?<\/h2>\n<p>The P2664 code refers to a malfunction in the &#8220;B&#8221; Rocker Arm Actuator Control Circuit, indicating that the circuit is experiencing high voltage levels. This code is part of the OBD-II system, which monitors various components to ensure optimal engine performance.<\/p>\n<h2>What Causes the P2664 Code?<\/h2>\n<p>This code is typically triggered by issues with the variable valve technology systems in newer vehicles. These systems allow for greater airflow through the engine at higher RPMs, contributing to better performance. If the solenoid within the variable lift rocker arm assembly fails or if there are wiring issues, the P2664 code will be set.<\/p>\n<h2>What Are the Symptoms of the P2664 Code?<\/h2>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P2664 Code?<\/h2>\n<p>The P2664 code is classified as urgent, meaning that immediate action is necessary. Ignoring this code can potentially lead to severe damage to the vehicle&#8217;s engine and may pose safety risks to the driver and passengers.<\/p>\n<h2>How to Diagnose the P2664 Code<\/h2>\n<p>To diagnose the P2664 code, a mechanic will typically perform the following steps:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the P2664 code.<\/li>\n<li>Inspect the wiring and connectors to the rocker arm actuator for any visible damage.<\/li>\n<li>Test the rocker arm actuator and solenoid to ensure they are functioning properly.<\/li>\n<li>Check the Powertrain Control Module (PCM) for any faults.<\/li>\n<\/ul>\n<h2>Common Repairs for the P2664 Code<\/h2>\n<ul>\n<li>Repairing or replacing damaged wiring or connectors.<\/li>\n<li>Replacing the variable valve lift controller assembly.<\/li>\n<li>Reprogramming or replacing the Powertrain Control Module (PCM).<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2664 Code?<\/h2>\n<p>The cost to repair the P2664 code can vary widely depending on the underlying issue. Simple wiring repairs may cost a few hundred dollars, while replacing the variable valve lift controller assembly or the PCM can range from $500 to $1,200 or more.<\/p>\n<h2>Can I Fix the P2664 Code Myself?<\/h2>\n<p>While some DIY mechanics may be able to address wiring issues or replace components, diagnosing the P2664 code accurately often requires specialized tools and knowledge. It&#8217;s recommended to consult a professional mechanic to ensure that the issue is resolved correctly and to avoid further damage to the vehicle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P2664 Code Mean? The P2664 code refers to a malfunction in the &#8220;B&#8221; Rocker Arm Actuator Control Circuit, indicating that the circuit is experiencing high voltage levels. This code is part of the OBD-II system, which monitors various components to ensure optimal engine performance. What Causes the P2664 Code? This code is &hellip;<\/p>\n","protected":false},"author":26,"featured_media":83595,"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-80066","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 P2664 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2664 code, what causes high voltage in the &quot;B&quot; rocker arm actuator control circuit, 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\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2664 OBD2: &quot;B&quot; Rocker Arm Actuator Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"What Does the P2664 Code Mean? The P2664 code refers to a malfunction in the &quot;B&quot; Rocker Arm Actuator Control Circuit, indicating that the circuit is\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2664-obd2-b-rocker-arm-actuator-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=\"2025-05-25T16:13:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:11:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-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\\\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2664 OBD2: &#8220;B&#8221; 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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\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2664-obd2-b-rocker-arm-actuator-control-circuit-high-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 P2664 Code Mean? The P2664 code refers to a malfunction in the &#8220;B&#8221; Rocker Arm Actuator Control Circuit, indicating that the circuit is experiencing high voltage levels. This code is part of the OBD-II system, which monitors various components to ensure optimal engine performance. What Causes the P2664 Code? This code is&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80066","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=80066"}],"version-history":[{"count":4,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80066\/revisions"}],"predecessor-version":[{"id":83597,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80066\/revisions\/83597"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/83595"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}