{"id":80099,"date":"2025-05-25T10:56:43","date_gmt":"2025-05-25T15:56:43","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80099"},"modified":"2025-06-04T05:11:37","modified_gmt":"2025-06-04T10:11:37","slug":"p2687-obd2-fuel-supply-heater-control-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2687-obd2-fuel-supply-heater-control-circuit-open","title":{"rendered":"P2687 OBD2: Fuel Supply Heater Control Circuit\/Open"},"content":{"rendered":"<p>The P2687 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel supply heater control circuit. This code is part of the OBD-II system, which monitors various aspects of a vehicle&#8217;s performance.<\/p>\n<h2>What Does the P2687 Code Mean?<\/h2>\n<p>The P2687 code signifies that the Powertrain Control Module (PCM) has detected a problem within the fuel supply heater control circuit. Specifically, it indicates that the control circuit is open, meaning there is a break in the electrical connection that prevents the fuel supply heater from functioning properly.<\/p>\n<h2>What Causes the P2687 Code?<\/h2>\n<p>Several factors can trigger the P2687 code:<\/p>\n<ul>\n<li>Fuel supply heater failure<\/li>\n<li>Fuel supply heater relay failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues, such as breaks or shorts in the wiring harness<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2687 Code?<\/h2>\n<p>The symptoms of the P2687 code can vary, but common signs include:<\/p>\n<ul>\n<li>Check Engine Light illuminated<\/li>\n<li>Fuel system performance issues<\/li>\n<li>Difficulty starting the vehicle in cold conditions<\/li>\n<\/ul>\n<h2>How Serious Is the P2687 Code?<\/h2>\n<p>The P2687 code is classified as a moderate severity issue. While it may not pose an immediate threat to the vehicle&#8217;s safety or functionality, it should be diagnosed and repaired within a reasonable time frame to avoid further complications and ensure optimal vehicle performance.<\/p>\n<h2>How to Diagnose the P2687 Code<\/h2>\n<p>Diagnosing the P2687 code involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P2687 code.<\/li>\n<li>Inspect the wiring and connectors associated with the fuel supply heater and PCM for any visible damage or disconnections.<\/li>\n<li>Test the fuel supply heater and relay for proper operation.<\/li>\n<li>Check for any related codes that may provide additional context.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2687 Code<\/h2>\n<p>Repairs for the P2687 code may include:<\/p>\n<ul>\n<li>Replacing the fuel supply heater<\/li>\n<li>Replacing the fuel supply heater relay<\/li>\n<li>Repairing or replacing damaged wiring and connectors<\/li>\n<li>Replacing the PCM if it is found to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2687 Code?<\/h2>\n<p>The cost to fix the P2687 code can vary widely depending on the specific repairs needed. On average, you might expect to pay between $100 and $500, depending on whether parts need to be replaced or if wiring repairs are necessary.<\/p>\n<h2>Can I Fix the P2687 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to diagnose and repair the P2687 code, it is recommended to seek help from a professional mechanic, especially if you are not experienced with automotive electrical systems. A certified technician will have the necessary tools and expertise to accurately diagnose and resolve the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2687 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel supply heater control circuit. This code is part of the OBD-II system, which monitors various aspects of a vehicle&#8217;s performance. What Does the P2687 Code Mean? The P2687 code signifies that the Powertrain Control Module (PCM) has detected a &hellip;<\/p>\n","protected":false},"author":26,"featured_media":82346,"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-80099","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 P2687 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2687 code, what causes fuel supply heater control 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\/p2687-obd2-fuel-supply-heater-control-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2687 OBD2: Fuel Supply Heater Control Circuit\/Open\" \/>\n<meta property=\"og:description\" content=\"The P2687 code is a diagnostic trouble code (DTC) that indicates an issue with the fuel supply heater control circuit. This code is part of the OBD-II\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2687-obd2-fuel-supply-heater-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=\"2025-05-25T15:56:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:11:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2687-obd2-fuel-supply-heater-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 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He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. 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This code is part of the OBD-II system, which monitors various aspects of a vehicle&#8217;s performance. What Does the P2687 Code Mean? The P2687 code signifies that the Powertrain Control Module (PCM) has detected a&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80099","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=80099"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80099\/revisions"}],"predecessor-version":[{"id":82348,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80099\/revisions\/82348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/82346"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}