{"id":45977,"date":"2021-11-15T19:34:44","date_gmt":"2021-11-16T03:34:44","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=45977"},"modified":"2024-08-19T23:44:33","modified_gmt":"2024-08-20T06:44:33","slug":"p0573-code-brake-switch-a-circuit-high","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0573-code-brake-switch-a-circuit-high\/","title":{"rendered":"P0573 Code: Brake Switch \u201cA\u201d Circuit High"},"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-column45977_d971c5-93 > .kt-inside-inner-col,.kadence-column45977_d971c5-93 > .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-column45977_d971c5-93 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column45977_d971c5-93 > .kt-inside-inner-col{flex-direction:column;}.kadence-column45977_d971c5-93 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column45977_d971c5-93 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column45977_d971c5-93{position:relative;}@media all and (max-width: 1024px){.kadence-column45977_d971c5-93 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column45977_d971c5-93 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column45977_d971c5-93 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-f0b620  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-5438bf\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading45977_b406ac-98, .wp-block-kadence-advancedheading.kt-adv-heading45977_b406ac-98[data-kb-block=\"kb-adv-heading45977_b406ac-98\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading45977_b406ac-98 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading45977_b406ac-98[data-kb-block=\"kb-adv-heading45977_b406ac-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-heading45977_b406ac-98 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading45977_b406ac-98[data-kb-block=\"kb-adv-heading45977_b406ac-98\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading45977_b406ac-98 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading45977_b406ac-98\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diagnostic Trouble Code (DTC) P0573 is defined as &ldquo;Brake Switch &lsquo;A&rsquo; Circuit High.&rdquo; This code triggers when the brake switch isn&rsquo;t properly sending information to your powertrain control module (PCM).<\/li>\n\n\n\n<li>This code can be caused by a dirty or faulty brake switch, wiring problems, or a failing PCM.<\/li>\n\n\n\n<li>The issues causing this code can also show symptoms like an erratic or inoperative adaptive cruise control or malfunctioning brake lights.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<h1 class=\"wp-block-heading\">P0573 Code: Brake Switch &ldquo;A&rdquo; Circuit High<\/h1>\n\n\n\n<p>Aside from managing your vehicle&rsquo;s&nbsp; engine, your <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) also controls its sensors and switches. They help your PCM engage various vehicle features, such as adaptive cruise control, which can greatly contribute to your comfort. Your brake switch plays a key role in activating your adaptive cruise control. If your PCM detects brake switch malfunction or failure, it may trigger a P0573 code.&nbsp;<\/p>\n\n\n\n<p>Here&rsquo;s what you need to know if you scan your vehicle and the OBD code P0573 pops up:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0573 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) P0573 represents &ldquo;Brake Switch &lsquo;A&rsquo; Circuit High.&rdquo; This is also associated with adaptive cruise control issues. Code P0573 indicates that your brake switch isn&rsquo;t properly sending information to your PCM.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"709\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/hand-on-cruise-control-1024x709.jpg\" alt=\"hand on cruise control\" class=\"wp-image-45999\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/hand-on-cruise-control-1024x709.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/hand-on-cruise-control-300x208.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/hand-on-cruise-control-768x531.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/hand-on-cruise-control-150x104.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/hand-on-cruise-control.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The P0753 code is linked to brake switch issues and adaptive cruise control malfunction, so it&rsquo;s best to resolve it immediately.<\/figcaption><\/figure>\n\n\n\n<p>Your brake switch works by sending signals to your PCM, so it can control various functions in your vehicle, such as activating your brake lights, releasing the shift lock actuator, and it even plays a part in how the transmission downshifts, among other things.<\/p>\n\n\n\n<p>The&nbsp; brake pedal input also cancels cruise control, and may keep the cruise from operating at all.<\/p>\n\n\n\n<p>If the PCM cannot properly detect information from your brake switch, a code P0573 may show up. This code is linked to brake switch issues and <a href=\"https:\/\/www.carparts.com\/blog\/cruise-control-not-working-causes-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"adaptive cruise control malfunction\">adaptive cruise control malfunction<\/a>, so it&rsquo;s best to resolve it immediately.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P0753 on Some Ford Vehicles<\/h3>\n\n\n\n<p>Ford describes the P0573 code as follows. BPP stands for &ldquo;brake pedal position&rdquo; switch:<\/p>\n\n\n\n<p><em>P0573 sets when the brake switch is stuck in the OFF position.<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BPP circuit open<\/li>\n\n\n\n<li>BPP circuit short to voltage<\/li>\n\n\n\n<li>BPP circuit short to ground<\/li>\n\n\n\n<li>Stoplamp circuits open<\/li>\n\n\n\n<li>Stoplamp circuits short to voltage<\/li>\n\n\n\n<li>Stoplamp circuits short to ground<\/li>\n\n\n\n<li>Damaged brake switch<\/li>\n\n\n\n<li>Incorrectly adjusted brake switch<\/li>\n<\/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<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0573 may 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 Possible Causes of the P0573 Code?<\/h2>\n\n\n\n<p>Here&rsquo;s a list of common causes of a P0573 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dirty or faulty brake switch<\/li>\n\n\n\n<li>Wiring problems<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Failing PCM\">Failing PCM<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0573 Code?<\/h2>\n\n\n\n<p>The P0573 Code may be associated with a wide range of symptoms. Here are the most common signs to look out for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Erratic or inoperative adaptive cruise control<\/li>\n\n\n\n<li>Malfunctioning or failing brake lights<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0573 Code<\/h2>\n\n\n\n<p>You can monitor the <a href=\"https:\/\/www.carparts.com\/brake-light-switch\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"brake light switch\">brake light switch<\/a> input using a scan tool while operating the brake as an initial test. On most vehicles, the brake switch doesn&rsquo;t actively close the circuit to carry current, rather it sends a signal to one or more modules.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"699\" height=\"607\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-brake-switch-diagram.jpg\" alt=\"car brake switch diagram\" class=\"wp-image-75971\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-brake-switch-diagram.jpg 699w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-brake-switch-diagram-300x261.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/10\/car-brake-switch-diagram-150x130.jpg 150w\" sizes=\"(max-width: 699px) 100vw, 699px\"><figcaption class=\"wp-element-caption\">Brake switch diagram | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<p>Take note, however, that diagnostic trouble codes, including code P0573, are generally difficult to deal with. You may want to try sorting them out on your own, but it may be too technical for you. We recommend consulting a mechanic for an expert diagnosis. If you&rsquo;d like to learn more about code P0573, grab your vehicle&rsquo;s owner&rsquo;s manual and check out these videos:<\/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=\"FIX CODE P0571 P0572 P0573 C107D67 DODGE JEEP CHRYSLER RAM FIAT\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/97d4XA3YnvA?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<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=\"2007 Chevy Silverado P0573 Brake Light Switch\/Cruise Control Inoperative\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/92RvvrSy8Gg?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 a Code P0573<\/h2>\n\n\n\n<p>There&rsquo;s no one solution to fix problems that trigger OBD codes. Efficiently diagnosing and troubleshooting OBD codes may require extensive training as well as many years of experience. The best way to resolve trouble codes is to ask a mechanic for help.<\/p>\n\n\n\n<p>However, you can try working on your vehicle&rsquo;s trouble code by doing some comprehensive research. After scanning your vehicle, you need to inspect any complications linked to it. After you take note of all the necessary details, you can determine the cause and seek advice from reliable online resources for the next steps that you should take.<\/p>\n\n\n\n<p>For code P0573, you&rsquo;ll need to <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"consult your owner&rsquo;s manual\">consult your owner&rsquo;s manual<\/a>, because it may have manufacturer-specific indications. Correct information for a P0573 code in a <a href=\"https:\/\/www.carparts.com\/chevrolet\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevy\">Chevy<\/a> may not apply for a <a href=\"https:\/\/www.carparts.com\/kia\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Kia\">Kia<\/a>. If it&rsquo;s too difficult to troubleshoot, don&rsquo;t hesitate to ask for help from a certified mechanic.<\/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>P0573 Code: Brake Switch &ldquo;A&rdquo; Circuit High Aside from managing your vehicle&rsquo;s&nbsp; engine, your powertrain control module (PCM) also controls&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0573-code-brake-switch-a-circuit-high\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":45997,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_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":[1800,1323],"ppma_author":[2607,2985],"class_list":{"0":"post-45977","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-brake-light-switch","9":"tag-engine-control-module-2","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0573 Code: Brake Switch \u201cA\u201d Circuit High - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Here is everything you need to know about the trouble code P0573. Read this helpful article for more information.\" \/>\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\/p0573-code-brake-switch-a-circuit-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0573 Code: Brake Switch \u201cA\u201d Circuit High - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Here is everything you need to know about the trouble code P0573. Read this helpful article for more information.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0573-code-brake-switch-a-circuit-high\/\" \/>\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=\"2021-11-16T03:34:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-20T06:44:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/foot-on-brake-pedal.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\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\\\/p0573-code-brake-switch-a-circuit-high\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0573-code-brake-switch-a-circuit-high\\\/\"},\"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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