{"id":78056,"date":"2025-08-24T12:36:32","date_gmt":"2025-08-24T17:36:32","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78056"},"modified":"2025-08-24T13:18:12","modified_gmt":"2025-08-24T18:18:12","slug":"p0696-obd2-fan-3-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0696-obd2-fan-3-control-circuit-high","title":{"rendered":"P0696 OBD2: Fan 3 Control Circuit High"},"content":{"rendered":"<p>The P0696 code is an OBD-II trouble code indicating a problem with the Fan 3 control circuit in the vehicle&#8217;s electric cooling fan system. This system is crucial for maintaining optimal engine temperatures, especially under demanding conditions such as high ambient temperatures or when the air conditioning is operating.<\/p>\n<h2>What Does the P0696 Code Mean?<\/h2>\n<p>When the Engine Control Module (PCM) detects that the Fan 3 control circuit is operating at a higher voltage than expected, it triggers the P0696 code. This could prevent the cooling fan from functioning correctly, which can lead to engine overheating and other related issues.<\/p>\n<h2>What Causes the P0696 Code?<\/h2>\n<ul>\n<li>Engine cooling fan control module failure<\/li>\n<li>Engine cooling fan failure<\/li>\n<li>Engine cooling fan relay failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues within the circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0696 Code?<\/h2>\n<ul>\n<li>Cooling fans may stay on continuously<\/li>\n<li>Engine may overheat<\/li>\n<li>A\/C may not operate effectively<\/li>\n<\/ul>\n<h2>How Serious Is the P0696 Code?<\/h2>\n<p>The P0696 code is classified as urgent. Immediate action is necessary, as failure to address this issue can lead to severe engine damage or pose hazards to the driver and passengers due to overheating.<\/p>\n<h2>How to Diagnose the P0696 Code<\/h2>\n<p>Diagnosing the P0696 code involves several steps:<\/p>\n<ol>\n<li>Check for any additional trouble codes that may provide further context.<\/li>\n<li>Inspect the wiring and connectors associated with the cooling fan system for any signs of damage or corrosion.<\/li>\n<li>Test the cooling fan control module and relay for proper operation.<\/li>\n<li>Ensure the PCM is functioning correctly and is not at fault.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0696 Code<\/h2>\n<ul>\n<li>Radiator fan assembly replacement<\/li>\n<li>Repair or replacement of damaged wiring<\/li>\n<li>Replacement of the cooling fan relay<\/li>\n<li>Replacement of the cooling fan control module<\/li>\n<li>PCM replacement, if found defective<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0696 Code?<\/h2>\n<p>The cost to repair the P0696 code can vary widely depending on the specific issue and the vehicle model. Generally, repairs can range from $100 to $800, with parts and labor contributing to the overall cost. Diagnosing the issue may incur additional costs, so it&#8217;s advisable to get an estimate before proceeding.<\/p>\n<h2>Can I Fix the P0696 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may have the tools and skills to diagnose and repair issues related to the P0696 code, it is recommended that most drivers consult with a professional mechanic. This ensures proper diagnosis and repair, as electrical issues can be complex and may require specialized knowledge.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0696 code is an OBD-II trouble code indicating a problem with the Fan 3 control circuit in the vehicle&#8217;s electric cooling fan system. This system is crucial for maintaining optimal engine temperatures, especially under demanding conditions such as high ambient temperatures or when the air conditioning is operating. What Does the P0696 Code Mean? &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93644,"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-78056","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 P0696 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0696 code, what causes fan 3 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\/p0696-obd2-fan-3-control-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0696 OBD2: Fan 3 Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"The P0696 code is an OBD-II trouble code indicating a problem with the Fan 3 control circuit in the vehicle&#039;s electric cooling fan system. This system is\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0696-obd2-fan-3-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=\"2025-08-24T17:36:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-24T18:18:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0696-obd2-fan-3-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\" 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This system is crucial for maintaining optimal engine temperatures, especially under demanding conditions such as high ambient temperatures or when the air conditioning is operating. What Does the P0696 Code Mean?&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78056","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=78056"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78056\/revisions"}],"predecessor-version":[{"id":93691,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78056\/revisions\/93691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93644"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}