{"id":79826,"date":"2025-06-01T21:11:52","date_gmt":"2025-06-02T02:11:52","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79826"},"modified":"2025-06-04T03:59:29","modified_gmt":"2025-06-04T08:59:29","slug":"p2481-obd2-exhaust-gas-temperature-sensor-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low","title":{"rendered":"P2481 OBD2: Exhaust Gas Temperature Sensor Circuit Low"},"content":{"rendered":"<h2>What Does the P2481 Code Mean?<\/h2>\n<p>The P2481 code indicates a low signal from the Exhaust Gas Temperature (EGT) sensor circuit. This issue is related to the vehicle&#8217;s emissions system, specifically concerning the performance of the Selective Catalytic Reduction (SCR) system.<\/p>\n<h2>What Causes the P2481 Code?<\/h2>\n<p>The P2481 code can be triggered by several factors, including:<\/p>\n<ul>\n<li>Exhaust Gas Temperature (EGT) sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues in the EGT sensor circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2481 Code?<\/h2>\n<p>Common symptoms associated with the P2481 code include:<\/p>\n<ul>\n<li>Check Engine Light illuminated<\/li>\n<li>Possible decrease in fuel efficiency<\/li>\n<li>Increased emissions<\/li>\n<\/ul>\n<h2>How Serious Is the P2481 Code?<\/h2>\n<p>The P2481 code has a moderate severity rating. While it may not immediately threaten the vehicle&#8217;s safety or functionality, it is advisable to get it diagnosed and repaired promptly to avoid potential long-term damage to the emissions system.<\/p>\n<h2>How to Diagnose the P2481 Code<\/h2>\n<p>Diagnosing the P2481 code typically involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P2481 code.<\/li>\n<li>Inspect the wiring and connectors associated with the EGT sensor for any signs of damage or corrosion.<\/li>\n<li>Test the EGT sensor with a multimeter to ensure it is functioning within specifications.<\/li>\n<li>Check the PCM for any software updates or faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2481 Code<\/h2>\n<p>Repairs for the P2481 code may include:<\/p>\n<ul>\n<li>Replacing a faulty Exhaust Gas Temperature (EGT) sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if it is found to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2481 Code?<\/h2>\n<p>The cost to repair the P2481 code can vary widely depending on the specific issue identified during diagnosis. On average, repairs may range from $150 to $600. This includes parts and labor for sensor replacement, wiring repairs, or PCM replacement.<\/p>\n<h2>Can I Fix the P2481 Code Myself?<\/h2>\n<p>If you have automotive repair experience, you may be able to diagnose and fix the P2481 code yourself by checking the EGT sensor and its wiring. However, if you are not confident in your abilities, it is recommended to seek the help of a professional mechanic to ensure proper diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P2481 Code Mean? The P2481 code indicates a low signal from the Exhaust Gas Temperature (EGT) sensor circuit. This issue is related to the vehicle&#8217;s emissions system, specifically concerning the performance of the Selective Catalytic Reduction (SCR) system. What Causes the P2481 Code? The P2481 code can be triggered by several factors, &hellip;<\/p>\n","protected":false},"author":26,"featured_media":83425,"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-79826","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 P2481 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2481 code, what causes Exhaust Gas 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\/p2481-obd2-exhaust-gas-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=\"P2481 OBD2: Exhaust Gas Temperature Sensor Circuit Low\" \/>\n<meta property=\"og:description\" content=\"What Does the P2481 Code Mean? The P2481 code indicates a low signal from the Exhaust Gas Temperature (EGT) sensor circuit. This issue is related to the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low\" \/>\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=\"2025-06-02T02:11:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T08:59:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low.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\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-temperature-sensor-circuit-low-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2481-obd2-exhaust-gas-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 P2481 Code Mean? The P2481 code indicates a low signal from the Exhaust Gas Temperature (EGT) sensor circuit. This issue is related to the vehicle&#8217;s emissions system, specifically concerning the performance of the Selective Catalytic Reduction (SCR) system. What Causes the P2481 Code? The P2481 code can be triggered by several factors,&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79826","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=79826"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79826\/revisions"}],"predecessor-version":[{"id":83427,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79826\/revisions\/83427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/83425"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}