{"id":77354,"date":"2022-11-03T18:17:22","date_gmt":"2022-11-04T01:17:22","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=77354"},"modified":"2024-06-12T18:38:59","modified_gmt":"2024-06-13T01:38:59","slug":"p0579-code-cruise-control-multi-function-input-a-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0579-code-cruise-control-multi-function-input-a-circuit-range-performance\/","title":{"rendered":"P0579 Code: Cruise Control Multi-Function Input \u201cA\u201d Circuit\/Range Performance"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_ff8423-15 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_ff8423-15 > .kt-inside-inner-col,.kadence-column_ff8423-15 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_ff8423-15 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_ff8423-15 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_ff8423-15 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_ff8423-15 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_ff8423-15{position:relative;}@media all and (max-width: 1024px){.kadence-column_ff8423-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_ff8423-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_ff8423-15 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-8400bc  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-639374\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_a76767-98, .wp-block-kadence-advancedheading.kt-adv-heading_a76767-98[data-kb-block=\"kb-adv-heading_a76767-98\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_a76767-98 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_a76767-98[data-kb-block=\"kb-adv-heading_a76767-98\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_a76767-98 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_a76767-98[data-kb-block=\"kb-adv-heading_a76767-98\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_a76767-98 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_a76767-98\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The diagnostic trouble code (DTC) P0579 indicates &ldquo;Cruise Control Multi-Function Input &lsquo;A&rsquo; Circuit\/Range Performance.&rdquo;<\/li><li>The powertrain control module (PCM) will log the P0579 code if it detects a problem with the cruise control system.<\/li><li>Common causes of the P0579 code are a failed cruise control master switch, clock spring failure, and wiring issues.<\/li><li>A vehicle that sets the P0579 code can show symptoms like an illuminated check engine light, inoperative cruise control, and an illuminated cruise control light.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>An activated cruise control system lets the vehicle maintain a preset speed until the driver steps on the gas pedal or brake pedal. In most cases, the system monitors the speed sensors and sends the information to the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) for speed reference. If the PCM detects a problem with the cruise control system, on-board diagnostics will log a P0579 trouble code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0579 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) P0579 stands for &ldquo;Cruise Control Multi-Function Input &lsquo;A&rsquo; Circuit\/Range Performance.&rdquo;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-1024x683.jpg\" alt=\"throttle position sensor sends signal to cruise control module\" class=\"wp-image-77360\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-1536x1025.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/throttle-position-sensor-sends-signal-to-cruise-control-module.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>In a typical system, the throttle position (TP) sensor sends a signal to the cruise control module.<\/figcaption><\/figure>\n\n\n\n<p>In a typical system, the <a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position (TP) sensor\">throttle position (TP) sensor<\/a> sends a signal to the cruise control module. If the cruise control system is computer-controlled, a servo unit or an electronic <a href=\"https:\/\/www.carparts.com\/throttle-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle body\">throttle body<\/a> are used for throttle control and control switches for driver control of functions. Vehicle speed sensors and electrical brake pedal release switches are also used.<\/p>\n\n\n\n<p>Most cruise control systems can only be used at speeds above 25 to 30 mph. In most cases, the system won&rsquo;t activate unless you drive faster than the minimum speed requirement.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0579 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition<\/em>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P0579 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Cruise control master switch failure<\/li><li>Control module failure<\/li><li>Clock spring failure<\/li><li>Wiring issues<\/li><\/ul>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0579 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/cruise-control-not-working-causes-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Inoperative cruise control\">Inoperative cruise control<\/a><\/li><li>Cruise control light might be illuminated<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0579 Code<\/h2>\n\n\n\n<p>Although DTC P0579 is a generic powertrain code that can be logged in vehicles with an OBD-II system, the steps for diagnosis and repair can vary depending on vehicle specifications. Diagnosing this trouble code usually involves using a scan tool and inspecting the affected system for signs of damage or shorted wiring, which can be tricky if you&rsquo;re new to auto repair. To get the best results, it&rsquo;s a good idea to bring your vehicle to a certified technician.<\/p>\n\n\n\n<p>If you think you can handle this task on your own, here&rsquo;s a short video you can watch to get an idea of what the process might involve:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"P0581, P0579, P0591 JEEP JKU CRUISE CONTROL NOT WORKING &#128165;SOLVED&#128165;\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/xScltq4CayA?start=727&amp;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0579 Code<\/h2>\n\n\n\n<p>Without the right tools and information, attempting to fix a P0579 code can be frustrating and confusing. It can even lead to further complications if done incorrectly. If you think you don&rsquo;t have the skills and advanced technical knowledge to resolve this code on your own, you can always have a trained professional perform the necessary repairs for you.<\/p>\n\n\n\n<p>Remember that there&rsquo;s no single fix for the same code across different makes and models. So before tinkering with your vehicle, make sure to check out repair guides like those from Chilton or refer to an ALLDATA subscription to get vehicle-specific repair information.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Cruise Control Master Switch to Fix Code P0579<\/h2>\n\n\n\n<p>If your vehicle logged a P0579 code due to a bad cruise control master switch, don&rsquo;t put off replacing it. For a top-notch replacement that won&rsquo;t break the bank, shop here at <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>.<\/p>\n\n\n\n<p>Our auto parts are carefully selected by a team of professionals to guarantee both quality and longevity. You won&rsquo;t have to worry about the <a href=\"https:\/\/www.carparts.com\/cruise-control-switch\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"new replacement cruise control master switch\">new replacement cruise control master switch<\/a> failing you any time soon.<\/p>\n\n\n\n<p>The best part? You don&rsquo;t even have to take one step outside your door to get your hands on a new switch. Enter your ride&rsquo;s year, make, and model into our vehicle selector to view compatible cruise control master switches. Then, narrow the results to the ones that match your preferred brand and price with the search filters.<\/p>\n\n\n\n<p>In addition, you won&rsquo;t have to wait too long to receive your order. Our warehouses are strategically located all over the US, so you can expect to receive any of your orders within two business days.<\/p>\n\n\n\n<p>Don&rsquo;t leave DTC P0579 unaddressed for too long. Order a replacement cruise control master switch now at CarParts.com.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>An activated cruise control system lets the vehicle maintain a preset speed until the driver steps on the gas pedal&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0579-code-cruise-control-multi-function-input-a-circuit-range-performance\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":77361,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1314],"tags":[1323,1679],"ppma_author":[2607,2855],"class_list":{"0":"post-77354","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"tag-throttle-position-sensor","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0579 Code: Cruise Control Multi-Function Input \u201cA\u201d Circuit\/Range Performance - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Read on to find out what a P0579 code means and what could happen to your vehicle if you leave it unresolved.\" \/>\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.carparts.com\/blog\/p0579-code-cruise-control-multi-function-input-a-circuit-range-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0579 Code: Cruise Control Multi-Function Input \u201cA\u201d Circuit\/Range Performance - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Read on to find out what a P0579 code means and what could happen to your vehicle if you leave it unresolved.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0579-code-cruise-control-multi-function-input-a-circuit-range-performance\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-04T01:17:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-13T01:38:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/11\/cruise-control-button-located-at-car-steering-wheel.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1334\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0579-code-cruise-control-multi-function-input-a-circuit-range-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0579-code-cruise-control-multi-function-input-a-circuit-range-performance\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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