{"id":78141,"date":"2025-08-22T18:42:13","date_gmt":"2025-08-22T23:42:13","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78141"},"modified":"2025-08-22T18:42:13","modified_gmt":"2025-08-22T23:42:13","slug":"p071f-obd2-transmission-mode-switch-b-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p071f-obd2-transmission-mode-switch-b-circuit-high","title":{"rendered":"P071F OBD2: Transmission Mode Switch &#8220;B&#8221; Circuit High"},"content":{"rendered":"<p>The P071F OBD-II code indicates an issue with the Transmission Mode Switch &#8220;B&#8221; Circuit. This code is crucial for understanding problems specifically related to the vehicle&#8217;s towing capabilities.<\/p>\n<h2>What Does the P071F Code Mean?<\/h2>\n<p>The P071F code is triggered when the transmission mode switch circuit for the towing function is detected as having a high signal. This switch is typically integrated into the shift lever, and its primary role is to enhance the shifting performance of the transmission while towing.<\/p>\n<h2>What Causes the P071F Code?<\/h2>\n<p>Several factors can lead to the P071F code being set, including:<\/p>\n<ul>\n<li>Failure of the shift lever assembly<\/li>\n<li>Malfunction of the Transmission Control Module (TCM)<\/li>\n<li>Wiring issues, such as short circuits or open circuits in the wiring harness<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P071F Code?<\/h2>\n<p>When the P071F code is present, you may experience the following symptoms:<\/p>\n<ul>\n<li>Disabled towing mode<\/li>\n<li>Transmission shifting issues during towing<\/li>\n<li>Warning lights on the dashboard<\/li>\n<\/ul>\n<h2>How Serious Is the P071F Code?<\/h2>\n<p>The P071F code is categorized as urgent. Ignoring this issue can lead to more severe damage to the vehicle&#8217;s transmission system, potentially resulting in costly repairs. Immediate attention is recommended to avoid further complications.<\/p>\n<h2>How to Diagnose the P071F Code<\/h2>\n<p>Diagnosing the P071F code involves several steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the code.<\/li>\n<li>Inspect the shift lever assembly for physical damage or improper operation.<\/li>\n<li>Check the wiring and connectors for any signs of wear, corrosion, or damage.<\/li>\n<li>Test the Transmission Control Module (TCM) for faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P071F Code<\/h2>\n<p>Repairs for the P071F code can include:<\/p>\n<ul>\n<li>Replacing the shift lever assembly if it is found to be faulty<\/li>\n<li>Repairing or replacing damaged wiring and connectors<\/li>\n<li>Reprogramming or replacing the Transmission Control Module (TCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P071F Code?<\/h2>\n<p>The cost of fixing the P071F code can vary widely depending on the specific issue and labor rates in your area. Typical costs may range from $100 to $800, with repairs such as replacing the shift lever assembly or TCM potentially being more expensive.<\/p>\n<h2>Can I Fix the P071F Code Myself?<\/h2>\n<p>If you have experience with automotive repairs and diagnostics, you may be able to address the P071F code yourself. However, it&#8217;s crucial to understand that simply replacing parts without a thorough diagnosis may not resolve the underlying issue. If you&#8217;re unsure, consulting a professional mechanic is recommended.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P071F OBD-II code indicates an issue with the Transmission Mode Switch &#8220;B&#8221; Circuit. This code is crucial for understanding problems specifically related to the vehicle&#8217;s towing capabilities. What Does the P071F Code Mean? The P071F code is triggered when the transmission mode switch circuit for the towing function is detected as having a high &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93425,"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-78141","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 P071F \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P071F code, what causes transmission mode switch &quot;B&quot; circuit high, and how to diagnose and fix common issues to maintain optimal vehicle 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\/p071f-obd2-transmission-mode-switch-b-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P071F OBD2: Transmission Mode Switch &quot;B&quot; Circuit High\" \/>\n<meta property=\"og:description\" content=\"The P071F OBD-II code indicates an issue with the Transmission Mode Switch &quot;B&quot; Circuit. This code is crucial for understanding problems specifically\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p071f-obd2-transmission-mode-switch-b-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=\"2025-08-22T23:42:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p071f-obd2-transmission-mode-switch-b-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\" 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\\\/p071f-obd2-transmission-mode-switch-b-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p071f-obd2-transmission-mode-switch-b-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P071F OBD2: Transmission Mode Switch &#8220;B&#8221; 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This code is crucial for understanding problems specifically related to the vehicle&#8217;s towing capabilities. What Does the P071F Code Mean? The P071F code is triggered when the transmission mode switch circuit for the towing function is detected as having a high&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78141","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=78141"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78141\/revisions"}],"predecessor-version":[{"id":84840,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78141\/revisions\/84840"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93425"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}