{"id":79100,"date":"2025-07-13T17:46:59","date_gmt":"2025-07-13T22:46:59","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79100"},"modified":"2025-07-13T18:05:46","modified_gmt":"2025-07-13T23:05:46","slug":"p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low","title":{"rendered":"P0C44 OBD2: Hybrid Battery Pack Coolant Temperature Sensor Circuit Low"},"content":{"rendered":"<h2>What Does the P0C44 Code Mean?<\/h2>\n<p>The OBD-II code P0C44 indicates a problem with the hybrid battery pack coolant temperature sensor circuit, specifically that the sensor is reporting a low voltage. This can affect the vehicle&#8217;s ability to monitor and control the hybrid battery&#8217;s temperature effectively.<\/p>\n<h2>What Causes the P0C44 Code?<\/h2>\n<p>This code is typically triggered when the hybrid battery pack&#8217;s inlet and outlet coolant temperature sensors provide implausible signals. Common causes include:<\/p>\n<ul>\n<li>Battery Energy Control Module (BECM) failure<\/li>\n<li>High voltage battery pack coolant temperature sensor failure<\/li>\n<li>Wiring issues in the sensor circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0C44 Code?<\/h2>\n<p>Symptoms associated with the P0C44 code can include:<\/p>\n<ul>\n<li>High voltage system may not start in cold weather<\/li>\n<li>Inconsistent performance of the hybrid system<\/li>\n<li>Check engine light illumination<\/li>\n<\/ul>\n<h2>How Serious Is the P0C44 Code?<\/h2>\n<p>The P0C44 code is considered urgent, as it indicates a significant malfunction that can lead to severe damage to the vehicle. Immediate action is necessary to avoid further complications and ensure the safety of the driver and passengers.<\/p>\n<h2>How to Diagnose the P0C44 Code<\/h2>\n<p>To diagnose the P0C44 code, a mechanic will typically perform the following steps:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the P0C44 code.<\/li>\n<li>Inspect the wiring and connectors related to the coolant temperature sensors for any signs of damage or corrosion.<\/li>\n<li>Test the functionality of the coolant temperature sensors using a multimeter.<\/li>\n<li>Evaluate the Battery Energy Control Module (BECM) for any failures.<\/li>\n<\/ul>\n<h2>Common Repairs for the P0C44 Code<\/h2>\n<p>Repairs for the P0C44 code may include:<\/p>\n<ul>\n<li>Replacing faulty coolant temperature sensors<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the Battery Energy Control Module (BECM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0C44 Code?<\/h2>\n<p>The cost of repairs for the P0C44 code can vary widely depending on the specific issue. On average, you may expect to pay between $100 to $600, depending on whether it involves sensor replacement, wiring repairs, or module replacement.<\/p>\n<h2>Can I Fix the P0C44 Code Myself?<\/h2>\n<p>While some aspects of diagnosing and repairing the P0C44 code can be tackled by a knowledgeable DIYer, such as inspecting wiring and connectors, it is strongly recommended to have a professional mechanic handle the diagnosis and repair. This ensures that all underlying issues are addressed properly and safely.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0C44 Code Mean? The OBD-II code P0C44 indicates a problem with the hybrid battery pack coolant temperature sensor circuit, specifically that the sensor is reporting a low voltage. This can affect the vehicle&#8217;s ability to monitor and control the hybrid battery&#8217;s temperature effectively. What Causes the P0C44 Code? This code is typically &hellip;<\/p>\n","protected":false},"author":26,"featured_media":89940,"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-79100","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 P0C44 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0C44 code, what causes hybrid battery pack coolant temperature sensor circuit low, 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\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0C44 OBD2: Hybrid Battery Pack Coolant Temperature Sensor Circuit Low\" \/>\n<meta property=\"og:description\" content=\"What Does the P0C44 Code Mean? 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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\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/07\/p0c44-obd2-hybrid-battery-pack-coolant-temperature-sensor-circuit-low-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":"What Does the P0C44 Code Mean? The OBD-II code P0C44 indicates a problem with the hybrid battery pack coolant temperature sensor circuit, specifically that the sensor is reporting a low voltage. This can affect the vehicle&#8217;s ability to monitor and control the hybrid battery&#8217;s temperature effectively. What Causes the P0C44 Code? This code is typically&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79100","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=79100"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79100\/revisions"}],"predecessor-version":[{"id":89980,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79100\/revisions\/89980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/89940"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}