{"id":80170,"date":"2025-05-23T08:52:29","date_gmt":"2025-05-23T13:52:29","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=80170"},"modified":"2025-06-04T05:12:54","modified_gmt":"2025-06-04T10:12:54","slug":"p2741-obd2-transmission-fluid-temperature-sensor-b-circuit","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit","title":{"rendered":"P2741 OBD2: Transmission Fluid Temperature Sensor &#8216;B&#8217; Circuit"},"content":{"rendered":"<p>The P2741 code refers to an issue with the Transmission Fluid Temperature Sensor &#8216;B&#8217; Circuit within your vehicle&#8217;s transmission system. This sensor plays a crucial role in ensuring proper transmission function by relaying fluid temperature data to the Powertrain Control Module (PCM).<\/p>\n<h2>What Does the P2741 Code Mean?<\/h2>\n<p>The P2741 code indicates that the PCM has detected a fault in the Transmission Fluid Temperature Sensor &#8216;B&#8217; Circuit. This can lead to improper shifting of the transmission and potential damage to the vehicle if not addressed promptly.<\/p>\n<h2>What Causes the P2741 Code?<\/h2>\n<p>Several issues can trigger the P2741 code, including:<\/p>\n<ul>\n<li>Failure of the Transmission Fluid Temperature Sensor<\/li>\n<li>Malfunction of the Powertrain Control Module (PCM)<\/li>\n<li>Malfunction of the Transmission Control Module (TCM)<\/li>\n<li>Wiring issues, such as shorts or open circuits<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2741 Code?<\/h2>\n<p>Common symptoms associated with the P2741 code include:<\/p>\n<ul>\n<li>Transmission may not shift properly<\/li>\n<li>Transmission temperature warning light illuminated on the instrument cluster<\/li>\n<\/ul>\n<h2>How Serious Is the P2741 Code?<\/h2>\n<p>The P2741 code is considered urgent, as it indicates a significant malfunction that can lead to further transmission damage or safety concerns for the driver and passengers. Immediate attention is recommended to avoid costly repairs.<\/p>\n<h2>How to Diagnose the P2741 Code<\/h2>\n<p>Diagnosing the P2741 code typically involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P2741 code and check for any additional codes.<\/li>\n<li>Inspect the Transmission Fluid Temperature Sensor and its wiring for any visible damage or disconnections.<\/li>\n<li>Test the Transmission Fluid Temperature Sensor with a multimeter to ensure it is functioning correctly.<\/li>\n<li>Evaluate the PCM and TCM for faults if the sensor appears to be working correctly.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2741 Code<\/h2>\n<p>Common repairs that may be needed to resolve the P2741 code include:<\/p>\n<ul>\n<li>Replacing the Transmission Fluid Temperature Sensor<\/li>\n<li>Repairing or replacing faulty wiring or connectors<\/li>\n<li>Replacing the Powertrain Control Module (PCM) or Transmission Control Module (TCM) if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2741 Code?<\/h2>\n<p>Repair costs for the P2741 code can vary widely based on the underlying issue. On average, you can expect to spend between $100 and $500, depending on whether you need to replace a sensor, repair wiring, or address PCM\/TCM issues.<\/p>\n<h2>Can I Fix the P2741 Code Myself?<\/h2>\n<p>While some repairs, such as replacing a sensor or fixing wiring, can be done by a DIY enthusiast with the right tools and knowledge, diagnosing PCM or TCM issues may require professional expertise. If you&#8217;re unsure, it\u2019s best to consult with a qualified mechanic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P2741 code refers to an issue with the Transmission Fluid Temperature Sensor &#8216;B&#8217; Circuit within your vehicle&#8217;s transmission system. This sensor plays a crucial role in ensuring proper transmission function by relaying fluid temperature data to the Powertrain Control Module (PCM). What Does the P2741 Code Mean? The P2741 code indicates that the PCM &hellip;<\/p>\n","protected":false},"author":26,"featured_media":82077,"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-80170","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 P2741 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2741 code, what causes issues with the Transmission Fluid Temperature Sensor &#039;B&#039; Circuit, and how to diagnose and fix common problems.\" \/>\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\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2741 OBD2: Transmission Fluid Temperature Sensor &#039;B&#039; Circuit\" \/>\n<meta property=\"og:description\" content=\"The P2741 code refers to an issue with the Transmission Fluid Temperature Sensor &#039;B&#039; Circuit within your vehicle&#039;s transmission system. This sensor plays\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit\" \/>\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=\"2025-05-23T13:52:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-04T10:12:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit.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\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2741 OBD2: Transmission Fluid Temperature Sensor &#8216;B&#8217; 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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\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/05\/p2741-obd2-transmission-fluid-temperature-sensor-b-circuit-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":"The P2741 code refers to an issue with the Transmission Fluid Temperature Sensor &#8216;B&#8217; Circuit within your vehicle&#8217;s transmission system. This sensor plays a crucial role in ensuring proper transmission function by relaying fluid temperature data to the Powertrain Control Module (PCM). What Does the P2741 Code Mean? The P2741 code indicates that the PCM&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80170","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=80170"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80170\/revisions"}],"predecessor-version":[{"id":82079,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/80170\/revisions\/82079"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/82077"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=80170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=80170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=80170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}