{"id":77904,"date":"2025-08-26T11:17:51","date_gmt":"2025-08-26T16:17:51","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77904"},"modified":"2025-08-26T11:17:51","modified_gmt":"2025-08-26T16:17:51","slug":"p0592-obd2-cruise-control-multi-function-input-b-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0592-obd2-cruise-control-multi-function-input-b-circuit-low","title":{"rendered":"P0592 OBD2: Cruise Control Multi-Function Input &#8220;B&#8221; Circuit Low"},"content":{"rendered":"<h2>What Does the P0592 Code Mean?<\/h2>\n<p>The P0592 code refers to a malfunction in the Cruise Control Multi-Function Input &#8220;B&#8221; Circuit. When this code is triggered, it indicates that the engine control module (PCM) has detected a low voltage condition in the cruise control input circuit.<\/p>\n<h2>What Causes the P0592 Code?<\/h2>\n<p>Several factors can lead to the P0592 code being set, including:<\/p>\n<ul>\n<li>Cruise control switch failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues within the cruise control system<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0592 Code?<\/h2>\n<p>The primary symptom of the P0592 code is the inability to operate the cruise control system. Drivers may find that their cruise control does not engage or function as expected.<\/p>\n<h2>How Serious Is the P0592 Code?<\/h2>\n<p>The P0592 code is considered to be of moderate severity. While it may not pose an immediate threat to vehicle safety or performance, it is advisable to address the issue within a reasonable timeframe to avoid further complications.<\/p>\n<h2>How to Diagnose the P0592 Code<\/h2>\n<p>To accurately diagnose the P0592 code, a certified technician will typically perform the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the presence of the P0592 code.<\/li>\n<li>Inspect the cruise control switch for any signs of damage or malfunction.<\/li>\n<li>Check the wiring and connections associated with the cruise control system.<\/li>\n<li>Test the Powertrain Control Module (PCM) for proper operation.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0592 Code<\/h2>\n<p>Repairs for the P0592 code may include:<\/p>\n<ul>\n<li>Replacing a faulty cruise control switch<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Replacing the Powertrain Control Module (PCM) if found to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0592 Code?<\/h2>\n<p>The cost to repair the P0592 code can vary widely depending on the underlying cause. On average, repairs may range from $100 to $500, with more extensive issues (like a PCM replacement) potentially costing more.<\/p>\n<h2>Can I Fix the P0592 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to handle minor repairs, such as inspecting and replacing the cruise control switch or wiring, more complex issues, especially those involving the PCM, should be handled by a professional mechanic to ensure proper diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0592 Code Mean? The P0592 code refers to a malfunction in the Cruise Control Multi-Function Input &#8220;B&#8221; Circuit. When this code is triggered, it indicates that the engine control module (PCM) has detected a low voltage condition in the cruise control input circuit. What Causes the P0592 Code? Several factors can lead &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94065,"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-77904","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 P0592 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0592 code, what causes cruise control multi-function input &#039;B&#039; 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\/p0592-obd2-cruise-control-multi-function-input-b-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0592 OBD2: Cruise Control Multi-Function Input &quot;B&quot; Circuit Low\" \/>\n<meta property=\"og:description\" content=\"What Does the P0592 Code Mean? The P0592 code refers to a malfunction in the Cruise Control Multi-Function Input &quot;B&quot; Circuit. 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He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. 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The P0592 code refers to a malfunction in the Cruise Control Multi-Function Input &#8220;B&#8221; Circuit. When this code is triggered, it indicates that the engine control module (PCM) has detected a low voltage condition in the cruise control input circuit. What Causes the P0592 Code? Several factors can lead&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77904","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=77904"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77904\/revisions"}],"predecessor-version":[{"id":84603,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77904\/revisions\/84603"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94065"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}