{"id":80011,"date":"2025-05-27T11:39:06","date_gmt":"2025-05-27T16:39:06","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80011"},"modified":"2025-06-04T05:10:06","modified_gmt":"2025-06-04T10:10:06","slug":"p261d-obd2-coolant-pump-b-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p261d-obd2-coolant-pump-b-control-circuit-high","title":{"rendered":"P261D OBD2: Coolant Pump &#8220;B&#8221; Control Circuit High"},"content":{"rendered":"<h2>What Does the P261D Code Mean?<\/h2>\n<p>The P261D code is an OBD-II trouble code that indicates a problem with the coolant pump &#8220;B&#8221; control circuit. This code is triggered when the Powertrain Control Module (PCM) detects that the coolant pump is not operating at the expected speed.<\/p>\n<h2>What Causes the P261D Code?<\/h2>\n<ul>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Water pump relay failure<\/li>\n<li>Wiring issues in the coolant pump circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P261D Code?<\/h2>\n<ul>\n<li>Overheating engine<\/li>\n<li>Warning lights on the dashboard<\/li>\n<li>Reduced engine performance<\/li>\n<li>Poor fuel efficiency<\/li>\n<\/ul>\n<h2>How Serious Is the P261D Code?<\/h2>\n<p>The P261D code is classified as urgent; immediate action is necessary. Ignoring this code can lead to severe engine damage or create a hazardous driving situation for you and your passengers.<\/p>\n<h2>How to Diagnose the P261D Code<\/h2>\n<p>To diagnose the P261D code, a mechanic will typically:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the code<\/li>\n<li>Inspect the wiring and connectors related to the coolant pump<\/li>\n<li>Test the coolant pump and relay for functionality<\/li>\n<li>Check the PCM for proper operation<\/li>\n<\/ul>\n<h2>Common Repairs for the P261D Code<\/h2>\n<ul>\n<li>Replacing the coolant pump<\/li>\n<li>Replacing a faulty water pump relay<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the PCM if needed<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P261D Code?<\/h2>\n<p>The cost to repair the P261D code can vary widely depending on the underlying issue. Generally, you can expect to pay:<\/p>\n<ul>\n<li>Diagnostic fees: $100 &#8211; $150<\/li>\n<li>Water pump replacement: $300 &#8211; $800<\/li>\n<li>PCM replacement: $400 &#8211; $1,200<\/li>\n<\/ul>\n<h2>Can I Fix the P261D Code Myself?<\/h2>\n<p>While some individuals with mechanical skills may attempt to fix issues related to the P261D code, it is essential to understand that proper diagnosis is critical. Simply replacing parts without confirming the root cause may not resolve the issue. If you are unsure, it&#8217;s best to consult with a professional mechanic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P261D Code Mean? The P261D code is an OBD-II trouble code that indicates a problem with the coolant pump &#8220;B&#8221; control circuit. This code is triggered when the Powertrain Control Module (PCM) detects that the coolant pump is not operating at the expected speed. What Causes the P261D Code? Powertrain Control Module &hellip;<\/p>\n","protected":false},"author":26,"featured_media":82692,"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-80011","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 v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OBD2 Code P261D \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P261D code, what causes coolant pump &quot;B&quot; 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\/p261d-obd2-coolant-pump-b-control-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P261D OBD2: Coolant Pump &quot;B&quot; Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"What Does the P261D Code Mean? The P261D code is an OBD-II trouble code that indicates a problem with the coolant pump &quot;B&quot; control circuit. This code is\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p261d-obd2-coolant-pump-b-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=\"2025-05-27T16:39:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:10:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p261d-obd2-coolant-pump-b-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\/p261d-obd2-coolant-pump-b-control-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p261d-obd2-coolant-pump-b-control-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P261D OBD2: Coolant Pump &#8220;B&#8221; 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The P261D code is an OBD-II trouble code that indicates a problem with the coolant pump &#8220;B&#8221; control circuit. This code is triggered when the Powertrain Control Module (PCM) detects that the coolant pump is not operating at the expected speed. What Causes the P261D Code? Powertrain Control Module&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80011","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=80011"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80011\/revisions"}],"predecessor-version":[{"id":82724,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80011\/revisions\/82724"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/82692"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}