{"id":77946,"date":"2025-08-26T10:43:17","date_gmt":"2025-08-26T15:43:17","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77946"},"modified":"2025-08-26T10:43:17","modified_gmt":"2025-08-26T15:43:17","slug":"p0627-obd2-fuel-pump-a-control-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0627-obd2-fuel-pump-a-control-circuit-open","title":{"rendered":"P0627 OBD2: Fuel Pump &#8220;A&#8221; Control Circuit\/Open"},"content":{"rendered":"<p>The P0627 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel pump control circuit. This code is generated when the engine control module (PCM) detects that the fuel pump is not functioning properly, which can lead to various engine performance issues.<\/p>\n<h2>What Does the P0627 Code Mean?<\/h2>\n<p>OBD-II Code P0627 is defined as a Fuel Pump &#8220;A&#8221; Control Circuit\/Open. This means that the fuel pump, which is responsible for transferring fuel from the tank to the injectors, is either not receiving power or is malfunctioning due to an open circuit.<\/p>\n<h2>What Causes the P0627 Code?<\/h2>\n<p>Several factors can contribute to the triggering of the P0627 code, including:<\/p>\n<ul>\n<li>Fuel pump failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues within the fuel pump circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0627 Code?<\/h2>\n<p>Common symptoms associated with the P0627 code include:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Engine may not start<\/li>\n<\/ul>\n<h2>How Serious Is the P0627 Code?<\/h2>\n<p>The P0627 code is considered urgent as it indicates that there is a significant malfunction that could lead to severe damage to the vehicle or pose a risk to the driver and passengers. Immediate attention is recommended.<\/p>\n<h2>How to Diagnose the P0627 Code<\/h2>\n<p>To properly diagnose the P0627 code, follow these steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P0627 code.<\/li>\n<li>Inspect the fuel pump wiring and connectors for any visible damage or corrosion.<\/li>\n<li>Test the fuel pump to ensure it is receiving voltage.<\/li>\n<li>Check the PCM for faults that may be affecting the fuel pump operation.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0627 Code<\/h2>\n<p>If you encounter the P0627 code, common repairs may include:<\/p>\n<ul>\n<li>Fuel pump replacement<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the PCM if it is determined to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0627 Code?<\/h2>\n<p>The cost to fix the P0627 code can vary widely based on the repair needed. Replacing the fuel pump can range from $300 to $1,200, depending on the make and model of the vehicle. Additional costs may incur if wiring repairs or PCM replacements are necessary.<\/p>\n<h2>Can I Fix the P0627 Code Myself?<\/h2>\n<p>While some aspects of diagnosing the P0627 code can be performed by a knowledgeable DIY enthusiast, it is generally recommended to seek professional help for repairs, especially if you are not familiar with automotive electrical systems. Proper diagnosis and repair can save you time and money on unnecessary parts replacement.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0627 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel pump control circuit. This code is generated when the engine control module (PCM) detects that the fuel pump is not functioning properly, which can lead to various engine performance issues. What Does the P0627 Code Mean? OBD-II Code P0627 &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93955,"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-77946","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 P0627 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0627 code, what causes fuel pump control circuit\/open 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\/p0627-obd2-fuel-pump-a-control-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0627 OBD2: Fuel Pump &quot;A&quot; Control Circuit\/Open\" \/>\n<meta property=\"og:description\" content=\"The P0627 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel pump control circuit. This code is generated when the engine\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0627-obd2-fuel-pump-a-control-circuit-open\" \/>\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=\"2025-08-26T15:43:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen.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\\\/p0627-obd2-fuel-pump-a-control-circuit-open#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0627-obd2-fuel-pump-a-control-circuit-open\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0627 OBD2: Fuel Pump &#8220;A&#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\/08\/p0627-obd2-fuel-pump-a-control-circuitopen.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0627-obd2-fuel-pump-a-control-circuitopen-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 P0627 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel pump control circuit. This code is generated when the engine control module (PCM) detects that the fuel pump is not functioning properly, which can lead to various engine performance issues. What Does the P0627 Code Mean? OBD-II Code P0627&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77946","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=77946"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77946\/revisions"}],"predecessor-version":[{"id":84645,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77946\/revisions\/84645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93955"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}