{"id":79810,"date":"2025-06-02T13:26:56","date_gmt":"2025-06-02T18:26:56","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79810"},"modified":"2025-06-04T03:55:19","modified_gmt":"2025-06-04T08:55:19","slug":"p2471-obd2-exhaust-gas-temperature-sensor-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high","title":{"rendered":"P2471 OBD2: Exhaust Gas Temperature Sensor Circuit High"},"content":{"rendered":"<h2>What Does the P2471 Code Mean?<\/h2>\n<p>The P2471 OBD-II code indicates that the vehicle&#8217;s Powertrain Control Module (PCM) has detected a problem with the Exhaust Gas Temperature (EGT) sensor circuit. Specifically, this code is triggered when the EGT sensor sends a signal that is considered high or implausible by the PCM.<\/p>\n<h2>What Causes the P2471 Code?<\/h2>\n<p>Several factors can lead to the P2471 code being stored, including:<\/p>\n<ul>\n<li>Exhaust Gas Temperature (EGT) sensor failure<\/li>\n<li>Powertrain Control Module (PCM) malfunction<\/li>\n<li>Wiring issues affecting the EGT sensor<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2471 Code?<\/h2>\n<p>Symptoms associated with the P2471 code may include:<\/p>\n<ul>\n<li>Illuminated Check Engine Light<\/li>\n<li>Decreased engine performance<\/li>\n<li>Increased emissions<\/li>\n<li>Potential issues with the diesel exhaust fluid system<\/li>\n<\/ul>\n<h2>How Serious Is the P2471 Code?<\/h2>\n<p>The severity of the P2471 code is considered moderate. While it may not immediately threaten the vehicle&#8217;s safety or functionality, it is essential to have it diagnosed and repaired within a reasonable time frame to prevent further complications.<\/p>\n<h2>How to Diagnose the P2471 Code<\/h2>\n<p>To accurately diagnose the P2471 code, a mechanic will typically follow these steps:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the P2471 code.<\/li>\n<li>Inspect the EGT sensor and its wiring for signs of damage or disconnection.<\/li>\n<li>Check the PCM for any updates or failures that may affect sensor readings.<\/li>\n<li>Test the EGT sensor&#8217;s resistance and voltage output to ensure it is functioning correctly.<\/li>\n<\/ul>\n<h2>Common Repairs for the P2471 Code<\/h2>\n<p>Common repairs for the P2471 code may include:<\/p>\n<ul>\n<li>Replacing the faulty Exhaust Gas Temperature (EGT) sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the Powertrain Control Module (PCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2471 Code?<\/h2>\n<p>The cost to diagnose and repair the P2471 code can vary widely based on the specific issue and the labor rates in your area. Generally, you can expect to pay between $100 and $400, depending on whether sensor replacement, wiring repairs, or PCM reprogramming is required.<\/p>\n<h2>Can I Fix the P2471 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to troubleshoot and replace the EGT sensor or repair wiring, it is recommended to seek professional assistance for accurate diagnosis and repairs. Proper tools and expertise are essential for addressing the complexities of the vehicle&#8217;s exhaust system and PCM.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P2471 Code Mean? The P2471 OBD-II code indicates that the vehicle&#8217;s Powertrain Control Module (PCM) has detected a problem with the Exhaust Gas Temperature (EGT) sensor circuit. Specifically, this code is triggered when the EGT sensor sends a signal that is considered high or implausible by the PCM. What Causes the P2471 &hellip;<\/p>\n","protected":false},"author":26,"featured_media":83487,"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-79810","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 v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P2471 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2471 code, what causes exhaust gas temperature sensor circuit high issues, and how to diagnose and fix common problems 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\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2471 OBD2: Exhaust Gas Temperature Sensor Circuit High\" \/>\n<meta property=\"og:description\" content=\"What Does the P2471 Code Mean? The P2471 OBD-II code indicates that the vehicle&#039;s Powertrain Control Module (PCM) has detected a problem with the Exhaust\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2471-obd2-exhaust-gas-temperature-sensor-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:published_time\" content=\"2025-06-02T18:26:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T08:55:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-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 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He learned to write after spending over a decade doing it.","sameAs":["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\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2471-obd2-exhaust-gas-temperature-sensor-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":"What Does the P2471 Code Mean? The P2471 OBD-II code indicates that the vehicle&#8217;s Powertrain Control Module (PCM) has detected a problem with the Exhaust Gas Temperature (EGT) sensor circuit. Specifically, this code is triggered when the EGT sensor sends a signal that is considered high or implausible by the PCM. What Causes the P2471&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79810","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=79810"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79810\/revisions"}],"predecessor-version":[{"id":83489,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79810\/revisions\/83489"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/83487"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}