{"id":77901,"date":"2025-08-26T11:18:03","date_gmt":"2025-08-26T16:18:03","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77901"},"modified":"2025-08-26T11:27:10","modified_gmt":"2025-08-26T16:27:10","slug":"p0589-obd2-cruise-control-multi-function-input-b-circuit","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0589-obd2-cruise-control-multi-function-input-b-circuit","title":{"rendered":"P0589 OBD2: Cruise Control Multi-Function Input &#8220;B&#8221; Circuit"},"content":{"rendered":"<h2>What Does the P0589 Code Mean?<\/h2>\n<p>The P0589 code indicates that there is an issue with the Cruise Control Multi-Function Input &#8220;B&#8221; Circuit. This code is triggered when the engine computer (PCM) detects signals from more than one cruise control switch simultaneously, which disables the cruise control system.<\/p>\n<h2>What Causes the P0589 Code?<\/h2>\n<ul>\n<li>Cruise control switch failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues in the cruise control system<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0589 Code?<\/h2>\n<ul>\n<li>Cruise control will not operate<\/li>\n<li>Intermittent or inconsistent cruise control functionality<\/li>\n<\/ul>\n<h2>How Serious Is the P0589 Code?<\/h2>\n<p>The severity of the P0589 code is moderate. While it may not immediately threaten the vehicle&#8217;s safety or functionality, it is advisable to have it diagnosed within a reasonable timeframe. Ignoring this code could lead to further complications in the cruise control system.<\/p>\n<h2>How to Diagnose the P0589 Code<\/h2>\n<p>A proper diagnosis should be carried out by a certified technician. The diagnosis may involve:<\/p>\n<ul>\n<li>Checking for any additional trouble codes<\/li>\n<li>Inspecting the cruise control switches and wiring<\/li>\n<li>Testing the Powertrain Control Module (PCM)<\/li>\n<\/ul>\n<h2>Common Repairs for the P0589 Code<\/h2>\n<ul>\n<li>Replacing faulty cruise control switches<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0589 Code?<\/h2>\n<p>The cost to fix the P0589 code can vary widely depending on the specific issue and vehicle make\/model. Generally, repairs may range from $100 to $600, including parts and labor.<\/p>\n<h2>Can I Fix the P0589 Code Myself?<\/h2>\n<p>If you have automotive repair experience and the necessary tools, you may be able to address minor issues like replacing cruise control switches or inspecting wiring. However, for more complex issues, particularly involving the PCM, it is recommended to consult a professional mechanic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0589 Code Mean? The P0589 code indicates that there is an issue with the Cruise Control Multi-Function Input &#8220;B&#8221; Circuit. This code is triggered when the engine computer (PCM) detects signals from more than one cruise control switch simultaneously, which disables the cruise control system. What Causes the P0589 Code? Cruise control &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94071,"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-77901","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 P0589 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0589 code, what causes cruise control multi-function input &#039;B&#039; circuit issues, and how to diagnose and fix common problems 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\/p0589-obd2-cruise-control-multi-function-input-b-circuit\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0589 OBD2: Cruise Control Multi-Function Input &quot;B&quot; Circuit\" \/>\n<meta property=\"og:description\" content=\"What Does the P0589 Code Mean? The P0589 code indicates that there is an issue with the Cruise Control Multi-Function Input &quot;B&quot; Circuit. This code is\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0589-obd2-cruise-control-multi-function-input-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=\"2025-08-26T16:18:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-26T16:27:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0589-obd2-cruise-control-multi-function-input-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\\\/p0589-obd2-cruise-control-multi-function-input-b-circuit#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0589-obd2-cruise-control-multi-function-input-b-circuit\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0589 OBD2: Cruise Control Multi-Function Input &#8220;B&#8221; 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The P0589 code indicates that there is an issue with the Cruise Control Multi-Function Input &#8220;B&#8221; Circuit. This code is triggered when the engine computer (PCM) detects signals from more than one cruise control switch simultaneously, which disables the cruise control system. What Causes the P0589 Code? Cruise control&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77901","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=77901"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77901\/revisions"}],"predecessor-version":[{"id":94113,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77901\/revisions\/94113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94071"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}