{"id":80092,"date":"2025-05-25T10:57:28","date_gmt":"2025-05-25T15:57:28","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80092"},"modified":"2025-06-04T05:11:30","modified_gmt":"2025-06-04T10:11:30","slug":"p2680-obd2-coolant-degassing-valve-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2680-obd2-coolant-degassing-valve-control-circuit-high","title":{"rendered":"P2680 OBD2: Coolant Degassing Valve Control Circuit High"},"content":{"rendered":"<p>The P2680 code refers to an issue with the Coolant Degassing Valve Control Circuit, specifically indicating a high voltage reading. This can signify that the valve is not functioning correctly, leading to potential overheating issues.<\/p>\n<h2>What Does the P2680 Code Mean?<\/h2>\n<p>The P2680 code indicates that the engine&#8217;s Powertrain Control Module (PCM) has detected a problem with the Coolant Degassing Valve. This valve is crucial for managing vaporized coolant and preventing overheating by allowing it to return to the overflow tank. When this circuit is high, it means that the valve may not be responding as expected.<\/p>\n<h2>What Causes the P2680 Code?<\/h2>\n<p>Several factors can contribute to the P2680 code, including:<\/p>\n<ul>\n<li>Coolant degassing valve failure<\/li>\n<li>Low engine coolant levels<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues related to the valve<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2680 Code?<\/h2>\n<p>The primary symptom associated with the P2680 code is engine overheating. This can lead to more severe engine issues if not addressed promptly.<\/p>\n<h2>How Serious Is the P2680 Code?<\/h2>\n<p>The P2680 code is classified as urgent. It indicates that immediate action is necessary to prevent significant damage to the engine or safety hazards for the driver and passengers.<\/p>\n<h2>How to Diagnose the P2680 Code<\/h2>\n<p>To diagnose the P2680 code, a mechanic should:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the code.<\/li>\n<li>Inspect the coolant degassing valve for any visible damage or malfunction.<\/li>\n<li>Check the engine coolant level to ensure it is adequate.<\/li>\n<li>Examine the wiring and connectors associated with the valve for any signs of wear or damage.<\/li>\n<li>Test the Powertrain Control Module for proper functionality.<\/li>\n<\/ul>\n<h2>Common Repairs for the P2680 Code<\/h2>\n<p>Common repairs for the P2680 code may include:<\/p>\n<ul>\n<li>Replacing the coolant degassing valve if it is found to be faulty.<\/li>\n<li>Refilling or replacing engine coolant if levels are low.<\/li>\n<li>Repairing or replacing damaged wiring or connectors.<\/li>\n<li>Addressing any PCM issues, which may involve reprogramming or replacing the module.<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2680 Code?<\/h2>\n<p>The cost to fix the P2680 code can vary widely based on the specific issue. Typical repair costs can range from $150 to $800, depending on whether a simple repair or a component replacement is required.<\/p>\n<h2>Can I Fix the P2680 Code Myself?<\/h2>\n<p>If you have automotive repair experience and the right tools, you may be able to address some of the issues related to the P2680 code yourself. However, for more complex problems, particularly those involving the PCM, it is advisable to consult with a professional mechanic to ensure proper diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2680 code refers to an issue with the Coolant Degassing Valve Control Circuit, specifically indicating a high voltage reading. This can signify that the valve is not functioning correctly, leading to potential overheating issues. What Does the P2680 Code Mean? The P2680 code indicates that the engine&#8217;s Powertrain Control Module (PCM) has detected a &hellip;<\/p>\n","protected":false},"author":26,"featured_media":82367,"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-80092","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 P2680 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2680 code, what causes coolant degassing 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\/p2680-obd2-coolant-degassing-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=\"P2680 OBD2: Coolant Degassing Valve Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"The P2680 code refers to an issue with the Coolant Degassing Valve Control Circuit, specifically indicating a high voltage reading. This can signify that\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2680-obd2-coolant-degassing-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=\"2025-05-25T15:57:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:11:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-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 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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\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-control-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2680-obd2-coolant-degassing-valve-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":"The P2680 code refers to an issue with the Coolant Degassing Valve Control Circuit, specifically indicating a high voltage reading. This can signify that the valve is not functioning correctly, leading to potential overheating issues. What Does the P2680 Code Mean? The P2680 code indicates that the engine&#8217;s Powertrain Control Module (PCM) has detected a&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80092","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=80092"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80092\/revisions"}],"predecessor-version":[{"id":82396,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80092\/revisions\/82396"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/82367"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}