{"id":85445,"date":"2023-06-30T02:45:20","date_gmt":"2023-06-30T09:45:20","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=85445"},"modified":"2024-02-02T01:53:27","modified_gmt":"2024-02-02T09:53:27","slug":"bad-a-c-control-switch-symptoms-and-faq","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/bad-a-c-control-switch-symptoms-and-faq\/","title":{"rendered":"Bad A\/C Control Switch Symptoms and FAQ"},"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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_0c0346-c8 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_0c0346-c8 > .kt-inside-inner-col,.kadence-column_0c0346-c8 > .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_0c0346-c8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_0c0346-c8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_0c0346-c8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_0c0346-c8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_0c0346-c8{position:relative;}@media all and (max-width: 1024px){.kadence-column_0c0346-c8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_0c0346-c8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_0c0346-c8 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-147254  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-f8da85\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_02e859-ce, .wp-block-kadence-advancedheading.kt-adv-heading_02e859-ce[data-kb-block=\"kb-adv-heading_02e859-ce\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_02e859-ce mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_02e859-ce[data-kb-block=\"kb-adv-heading_02e859-ce\"] 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_02e859-ce img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_02e859-ce[data-kb-block=\"kb-adv-heading_02e859-ce\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_02e859-ce summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_02e859-ce\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The A\/C switch is the device that lets you to control your air conditioning system from your vehicle&rsquo;s center console.<\/li><li>Some of the signs of a failing A\/C switch include settings that don&rsquo;t work, an A\/C compressor that won&rsquo;t turn on, and a system that blows hot air.<\/li><li>Aside from wear and tear, a blown fuse or a manufacturing defect may cause an A\/C switch to malfunction.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Most vehicles come with an <a href=\"https:\/\/www.carparts.com\/blog\/automotive-air-conditioning-systems\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"air conditioning (A\/C) system\">air conditioning (A\/C) system<\/a> that keeps the interior nice and cool. You can operate this system using the A\/C control switch on your center console. While this is certainly convenient, the switch can also cause problems if it stops working.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Signs Your A\/C Switch Is Not Working<\/h2>\n\n\n\n<p>It can be confusing trying to diagnose the problem, especially when your A\/C system has a lot of issues. Thankfully, there are a few symptoms you can look out for if you think the A\/C switch is to blame.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A\/C Settings Won&rsquo;t Work<\/h3>\n\n\n\n<p>A bad control switch won&rsquo;t be able to accurately change your A\/C system&rsquo;s settings. The button will most likely refuse to respond even if you try to increase the fan speed. In some cases, changing the temperature might even lead to the A\/C turning off completely. If this happens to you, it&rsquo;s best to call a mechanic as soon as possible.<\/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\/2023\/06\/automotive-ac-control-switch-1024x768.jpg\" alt=\"finger about to press car ac switch\" class=\"wp-image-85462\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/automotive-ac-control-switch-1024x768.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/automotive-ac-control-switch-300x225.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/automotive-ac-control-switch-768x576.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/automotive-ac-control-switch-150x113.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/automotive-ac-control-switch.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The A\/C control switch allows you to easily turn your A\/C system on and off, and also lets you control its different settings such as the cooling level and fan speed.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">A\/C Compressor Won&rsquo;t Turn On<\/h3>\n\n\n\n<p>If your A\/C control panel isn&rsquo;t working, then your <a href=\"https:\/\/www.carparts.com\/blog\/bad-a-c-compressor-symptoms-diagnosis-replacement-cost\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"A\/C compressor\">A\/C compressor<\/a> won&rsquo;t turn on. A broken switch won&rsquo;t be able to send a signal to the <a href=\"https:\/\/www.carparts.com\/a-c-compressor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"A\/C compressor\">A\/C compressor<\/a>. Without this signal, the compressor won&rsquo;t circulate refrigerant through your vehicle&rsquo;s A\/C system. This makes your vehicle&rsquo;s interior uncomfortably hot for you and your passengers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A\/C System Blows Hot Air or Parts Overheat<\/h3>\n\n\n\n<p>Sometimes, when the A\/C control switch isn&rsquo;t working, the A\/C system starts <a href=\"https:\/\/www.carparts.com\/blog\/car-a-c-not-cooling-5-reasons-why\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"blowing out hot\">blowing out hot<\/a> instead of cold air. This usually happens because of a blown <a href=\"https:\/\/www.carparts.com\/blog\/car-fuse-facts-what-you-need-to-know-about-automotive-fuses\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuse\">fuse<\/a> or frayed wire. If a fuse or wire is faulty, then the entire A\/C system malfunctions, including the switch.<\/p>\n\n\n\n<p>When this happens, parts of your A\/C system can overheat. A blown fuse is typically caused by an overloaded circuit, which can also lead to melting, and, in extreme cases, even fire. This can be a big safety issue, so be sure to bring your vehicle to a mechanic as soon as possible if you suspect that your vehicle&rsquo;s A\/C switch has a blown fuse.<\/p>\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 Does the A\/C Control Switch Do?<\/h2>\n\n\n\n<p>The A\/C control switch allows you to easily turn your A\/C system on and off. It also lets you control your A\/C&rsquo;s different settings so you can adjust the cooling level and fan speed according to your preference.<\/p>\n\n\n\n<p>In some modern vehicles, you&rsquo;ll find flat-panel or touchscreen displays instead of buttons. These touchscreen displays allow you to control not just the A\/C, but also different features of your vehicle, such as the audio system. While this style might appear more high-tech, some drivers still prefer the traditional A\/C control switch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How To Test A\/C Control Switch<\/h2>\n\n\n\n<p>You&rsquo;ll need to conduct a continuity test to check your A\/C control switch. First, you&rsquo;ll need to prepare an automotive multimeter and unplug the switch from the controller to the connector. Switch your multimeter to the continuity setting, and connect each of the switch&rsquo;s terminals to the test probe. Keep the two terminals as still as possible for an accurate reading. After three to four seconds, check the numbers on the screen. Cross-check if the numbers match the information written in your <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"owner&rsquo;s manual\">owner&rsquo;s manual<\/a>. If they don&rsquo;t match, then your A\/C control switch is most likely broken.<\/p>\n\n\n\n<p>You can also bring your vehicle to a mechanic if you don&rsquo;t have a multimeter. They can also check other parts of your A\/C system for any other related issues.<\/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\/2023\/06\/broken-car-ac-1024x683.jpg\" alt=\"female driver wiping sweat with a hand on the ac vent inside a car\" class=\"wp-image-85463\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/broken-car-ac.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>With a broken control switch, you won&rsquo;t be able to turn on your A\/C system, which can make driving in hotter areas uncomfortable.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Other A\/C Control Switch FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1686906084411\"><strong class=\"schema-faq-question\">What Causes the A\/C Button to Stop Working?<\/strong> <p class=\"schema-faq-answer\">Like most parts of your vehicle, your A\/C control switch will wear out over time. It&rsquo;s also one of the buttons you frequently touch on your panel, so it can easily get stuck or broken. In some cases, the button fails because of a blown fuse or a manufacturing defect with the control panel itself.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1686906090395\"><strong class=\"schema-faq-question\">What Happens When the A\/C Goes Bad?<\/strong> <p class=\"schema-faq-answer\">With a broken control switch, you won&rsquo;t be able to turn on your A\/C system. This won&rsquo;t be much of an issue If you live somewhere with a cool climate. However, if you live in the tropics, then driving with no A\/C can be uncomfortable. In some cases, it can even be dangerous. Vehicles heat up quickly, which can put you and your passengers at risk of dehydration and a stroke. Consider replacing your A\/C control switch right away, so you and your passengers can stay safe and cool.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1686906096585\"><strong class=\"schema-faq-question\">How Much Does an A\/C Control Switch Replacement Cost?<\/strong> <p class=\"schema-faq-answer\">The price of a control switch varies depending on your vehicle&rsquo;s make, model, and the product&rsquo;s brand. Replacing an A\/C control switch can cost you anywhere from $30 to $310. Sometimes, the switch is not serviceable without replacing the whole controller. However, keep in mind that a broken switch can also be a sign of other issues with your A\/C system, so you might also need to buy other parts.<\/p> <\/div> <\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Sometimes, the A\/C control switch is not serviceable without replacing the whole controller.<\/p><cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/anthonyharlin\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Anthony Harlin, ASE Certified Master Automobile Technician\">Anthony Harlin, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New A\/C Control Switch for Your Vehicle<\/h2>\n\n\n\n<p>A malfunctioning A\/C can make riding your vehicle less enjoyable. This is why it&rsquo;s important to conduct repairs like replacing a failed <a href=\"https:\/\/www.carparts.com\/a-c-control-switch\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"A\/C control switch\">A\/C control switch<\/a> as soon as possible. Fortunately, it&rsquo;s not too difficult to find a replacement that&rsquo;s compatible with your vehicle here at <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a>.<\/p>\n\n\n\n<p>Why waste time driving between brick-and-mortar auto parts stores when you can hop on our website and order A\/C components online? By selecting your vehicle&rsquo;s year, make, and model on our tool, we&rsquo;ll show you the parts that are compatible with your ride.<\/p>\n\n\n\n<p>Our mission is to make sure that the ordering and delivery process is as easy and swift as possible. We&rsquo;ll ship your order from the distribution center nearest you, and make sure it arrives at your doorstep in a matter of days.<\/p>\n\n\n\n<p>Save time and money by shopping for a new A\/C control switch 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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Most vehicles come with an air conditioning (A\/C) system that keeps the interior nice and cool. You can operate this&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/bad-a-c-control-switch-symptoms-and-faq\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":85461,"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":[3754,52],"tags":[3811],"ppma_author":[2607,3742],"class_list":{"0":"post-85445","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-air-conditioning-and-heating","8":"category-diy","9":"tag-a-c-control-switch","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bad A\/C Control Switch Symptoms and FAQ - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Is your A\/C control switch stuck or unresponsive? Find out the symptoms of a bad A\/C control switch, how to replace it, and other FAQ here.\" \/>\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\/bad-a-c-control-switch-symptoms-and-faq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bad A\/C Control Switch Symptoms and FAQ - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Is your A\/C control switch stuck or unresponsive? Find out the symptoms of a bad A\/C control switch, how to replace it, and other FAQ here.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/bad-a-c-control-switch-symptoms-and-faq\/\" \/>\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=\"2023-06-30T09:45:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-02T09:53:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-ac-switch.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=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-control-switch-symptoms-and-faq\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/bad-a-c-control-switch-symptoms-and-faq\\\/\"},\"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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