{"id":73866,"date":"2022-10-05T03:22:24","date_gmt":"2022-10-05T10:22:24","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=73866"},"modified":"2024-07-14T19:56:13","modified_gmt":"2024-07-15T02:56:13","slug":"p0533-code-a-c-refrigerant-pressure-sensor-a-circuit-high","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0533-code-a-c-refrigerant-pressure-sensor-a-circuit-high\/","title":{"rendered":"P0533 Code: A\/C Refrigerant Pressure Sensor \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-column_86fc09-c5 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_86fc09-c5 > .kt-inside-inner-col,.kadence-column_86fc09-c5 > .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_86fc09-c5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_86fc09-c5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_86fc09-c5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_86fc09-c5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_86fc09-c5{position:relative;}@media all and (max-width: 1024px){.kadence-column_86fc09-c5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_86fc09-c5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_86fc09-c5 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-c14600  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-beba8d\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_d8935a-34, .wp-block-kadence-advancedheading.kt-adv-heading_d8935a-34[data-kb-block=\"kb-adv-heading_d8935a-34\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_d8935a-34 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_d8935a-34[data-kb-block=\"kb-adv-heading_d8935a-34\"] 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_d8935a-34 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_d8935a-34[data-kb-block=\"kb-adv-heading_d8935a-34\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_d8935a-34 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_d8935a-34\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Diagnostic trouble code P0533 stands for &ldquo;A\/C Refrigerant Pressure Sensor &lsquo;A&rsquo; Circuit High.&rdquo; The powertrain control module (PCM) triggers this code when the PCM detects a fault within the A\/C pressure sensor &ldquo;A&rdquo; circuit.<\/li><li>Some causes of the P0533 code include a faulty A\/C refrigerant pressure sensor, leaking A\/C refrigerant, corroded or frayed wiring, or a faulty control module.<\/li><li>The following are common symptoms of the P0533 code: an illuminated check engine light, a faulty heating, ventilation and air conditioning (HVAC) system, and an A\/C compressor that refuses to engage.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/a-c-refrigerant-pressure-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"air conditioning (A\/C) pressure sensor\">air conditioning (A\/C) pressure sensor<\/a> is a pressure transducer that converts refrigerant pressure into a voltage signal for the powertrain control module (PCM). The PCM will register a P0533 code on a scan tool if it detects a high voltage value within the A\/C pressure sensor &ldquo;A&rdquo; circuit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0533 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code P0533 stands for &ldquo;A\/C Refrigerant Pressure Sensor &lsquo;A&rsquo; Circuit High.&rdquo; This is a generic powertrain code that can apply to a variety of vehicles equipped with OBD-II.<\/p>\n\n\n\n<p>Heating, ventilation, and air conditioning (HVAC) systems use multiple sensors to regulate the temperature inside a vehicle&rsquo;s cabin. The A\/C pressure sensor typically has three wires that lead to the control module, which can be the Electronic Climate Control (ECC), Body Control Module (BCM), or the powertrain control module (PCM).<\/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\/09\/ac-refrigerant-pressure-sensor-1024x614.jpg\" alt=\"ac refrigerant pressure sensor\" class=\"wp-image-73924\" width=\"1024\" height=\"614\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/ac-refrigerant-pressure-sensor-1024x614.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/ac-refrigerant-pressure-sensor-300x180.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/ac-refrigerant-pressure-sensor-768x461.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/ac-refrigerant-pressure-sensor-150x90.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/ac-refrigerant-pressure-sensor.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>If the PCM detects a fault within the A\/C pressure sensor &ldquo;A&rdquo; circuit, it will log a P0533 code on a scan tool.<\/figcaption><\/figure>\n\n\n\n<p>The A\/C pressure sensors contain a five-volt reference circuit, a signal circuit, and a ground circuit. The control module will calculate system pressure using signals from these circuits.<\/p>\n\n\n\n<p>If the PCM detects a fault within the A\/C pressure sensor &ldquo;A&rdquo; circuit, the vehicle&rsquo;s computer will log a P0533 code on a scan tool.<\/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<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0533 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 P0533 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty or damaged A\/C refrigerant pressure sensor<\/li><li>Leaking A\/C refrigerant pressure sensor<\/li><li>Low refrigerant pressures or refrigerant level<\/li><li>Corroded or frayed <a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wiring\">wiring<\/a><\/li><li>Faulty control module<\/li><\/ul>\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\/09\/car-ac-vent-1024x683.jpg\" alt=\"car ac vent\" class=\"wp-image-73922\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-ac-vent.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Your vehicle&rsquo;s HVAC might not work properly if the P0533 code is registered.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0533 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>HVAC doesn&rsquo;t work properly<\/li><li>A\/C compressor doesn&rsquo;t engage<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0533 Code<\/h2>\n\n\n\n<p>Not all vehicles have the same diagnostic steps. A P0533 code for a <a href=\"https:\/\/www.carparts.com\/dodge\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Dodge\">Dodge<\/a> might be different from a P0533 code for a <a href=\"https:\/\/www.carparts.com\/honda\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Honda\">Honda<\/a>. You&rsquo;ll have to review your vehicle&rsquo;s repair manual before attempting to diagnose this code because some terms and instructions might be different for your specific vehicle. You can use the following video as a reference to help you with your diagnosis.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"HVAC High Pressure Sensor Testing\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/JXWqWt1qotg?start=23&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<p>However, if you don&rsquo;t have any auto repair skills or knowledge, you should hire a mechanic to do this part for you. This can help you save time and effort on diagnosing this <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"DTC\">DTC<\/a> while avoiding costly mistakes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0533 Code<\/h2>\n\n\n\n<p>If you want to clear a DTC P0533, you must identify its underlying causes to determine the right fix. There are technical service bulletins for certain problems associated with this code, which can help you fix your vehicle&rsquo;s problems. You can also look for Chilton repair manuals to get a better view of your vehicle&rsquo;s parts and potential problems. However, if you have some extra cash, we recommend getting an ALLDATA subscription because it contains vehicle-specific information.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New A\/C Refrigerant Pressure Sensor to Resolve Trouble Code P0533<\/h2>\n\n\n\n<p>Nobody likes to sit in a car with an inoperable air conditioning unit, especially in extreme temperatures. Unfortunately, this is what often happens when your vehicle logs a P0533 diagnostic trouble code.<\/p>\n\n\n\n<p>Don&rsquo;t let a P0533 code keep you from enjoying your car rides. Here at <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>, you can find a high-quality <a href=\"https:\/\/www.carparts.com\/a-c-refrigerant-pressure-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"A\/C refrigerant pressure sensor\">A\/C refrigerant pressure sensor<\/a> to restore your A\/C&rsquo;s operation and make your vehicle comfortable for you and your passengers.<\/p>\n\n\n\n<p>Find the right A\/C parts for your vehicle by entering its specifications into our vehicle selector. This will narrow down the catalog to compatible products for your ride. For a more personalized shopping experience, you can also use the search filters to shop according to your preferred brand, price range, quantity, and more.<\/p>\n\n\n\n<p>Enjoy the best deals when you shop from us. All our products come with a low-price and lifetime replacement guarantee, helping you get the best value for your money.<\/p>\n\n\n\n<p>Thanks to our fast shipping services and strategically located warehouses across the US, we can deliver your product straight to your doorstep in as fast as two business days.<\/p>\n\n\n\n<p>Shop now!<\/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>The air conditioning (A\/C) pressure sensor is a pressure transducer that converts refrigerant pressure into a voltage signal for the&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0533-code-a-c-refrigerant-pressure-sensor-a-circuit-high\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":73916,"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":[3568],"ppma_author":[2607,2855],"class_list":{"0":"post-73866","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-a-c-refrigerant-pressure-sensor","9":"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>P0533 Code: A\/C Refrigerant Pressure Sensor \u201cA\u201d Circuit High - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Do you want to know what a P0533 code means and how to fix it? Find the answers in this article. Read more.\" \/>\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\/p0533-code-a-c-refrigerant-pressure-sensor-a-circuit-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0533 Code: A\/C Refrigerant Pressure Sensor \u201cA\u201d Circuit High - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Do you want to know what a P0533 code means and how to fix it? Find the answers in this article. Read more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0533-code-a-c-refrigerant-pressure-sensor-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=\"2022-10-05T10:22:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-15T02:56:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-in-repair-shop.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1001\" \/>\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\\\/p0533-code-a-c-refrigerant-pressure-sensor-a-circuit-high\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0533-code-a-c-refrigerant-pressure-sensor-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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