{"id":16162,"date":"2021-08-12T00:12:00","date_gmt":"2021-08-12T07:12:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16162"},"modified":"2024-05-29T06:59:18","modified_gmt":"2024-05-29T13:59:18","slug":"p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1\/","title":{"rendered":"P0032 Code: HO2S Heater Control Circuit High (Bank 1 Sensor 1)"},"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_125f54-e0 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_125f54-e0 > .kt-inside-inner-col,.kadence-column_125f54-e0 > .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_125f54-e0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_125f54-e0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_125f54-e0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_125f54-e0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_125f54-e0{position:relative;}@media all and (max-width: 1024px){.kadence-column_125f54-e0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_125f54-e0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_125f54-e0 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-ef1c19  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-97970f\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_21aad6-0c, .wp-block-kadence-advancedheading.kt-adv-heading_21aad6-0c[data-kb-block=\"kb-adv-heading_21aad6-0c\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_21aad6-0c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_21aad6-0c[data-kb-block=\"kb-adv-heading_21aad6-0c\"] 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_21aad6-0c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_21aad6-0c[data-kb-block=\"kb-adv-heading_21aad6-0c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_21aad6-0c summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_21aad6-0c\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Code P0032 code stands for &ldquo;HO2S Heater Control Circuit High (Bank 1 Sensor 1).&rdquo; It&rsquo;s set when the PCM detects that the heater control circuit exceeded its high voltage limit.<\/li><li>A faulty oxygen sensor, wiring issue, and PCM problem can trigger this error code.<\/li><li>The symptoms of this trouble code include a lit check engine light, reduced engine performance, and increased fuel consumption.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The code P0032 is triggered when the PCM detects a problem in the operation of the heater element of an oxygen sensor located in Bank 1, the side of the engine with cylinder #1. Here&rsquo;s a quick rundown of what you need to know if your vehicle has logged this OBD-II code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0032 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) P0032 code stands for &ldquo;HO2S Heater Control Circuit High (Bank 1 Sensor 1).&rdquo;<\/p>\n\n\n\n<p>Note that you won&rsquo;t get this code on most vehicles; it&rsquo;s only in the code list for a few.<\/p>\n\n\n\n<p>An oxygen sensor has a heater element that allows it to quickly come up to 600&deg;Fto produce accurate readings. The code P0032 is set by the PCM when it detects that the heater control circuit exceeded its high voltage limit. You can learn more about the o2 sensor heating process <a href=\"https:\/\/www.carparts.com\/blog\/p0141-code-oxygen-sensor-heater-circuit-malfunction-bank-1-sensor-2\/#Why_Do_Oxygen_Sensors_Need_Heat\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here\">here<\/a>.<\/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\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-1024x681.jpg\" alt=\"Heated oxygen sensor in the exhaust of a car highlighted\" class=\"wp-image-42757\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-1536x1021.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/08\/Heated-oxygen-sensor-in-the-exhaust-of-a-car-highlighted-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The code P0032 is set by the PCM when it detects that the heater control circuit exceeded its high voltage limit.<\/figcaption><\/figure>\n\n\n\n<p>If you&rsquo;re trying to locate Bank 1 Sensor 1, our explanation <a href=\"https:\/\/www.carparts.com\/blog\/p0141-code-oxygen-sensor-heater-circuit-malfunction-bank-1-sensor-2\/#Bank_1_vs_Bank_2\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here\">here<\/a> should help you.<\/p>\n\n\n\n<p>Error code P0032 is similar to codes P0031 (HO2S Heater Control Circuit Low), P0051 (HO2S Heater Control Circuit Low), and P0052 (HO2S Heater Control Circuit High).<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0032<\/em><strong><em> <\/em><\/strong><em>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 P0032 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>A failed O2 sensor&nbsp;<\/li><li>Wiring or connectors (to the sensor and\/or relay) are loose, broken, or frayed<\/li><li>PCM\/<a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ECM\">ECM<\/a> issues&nbsp;<\/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 P0032 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=\"Check Engine Light will illuminate\">Check Engine Light will illuminate<\/a><\/li><li>Reduced engine performance<\/li><li>Increased fuel consumption<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0032 Code<\/h2>\n\n\n\n<p>Identifying the underlying cause of the P0032<strong> <\/strong>code can be difficult, especially if you&rsquo;re not confident with your automotive knowledge or if your garage is not equipped with all the required tools. In most cases, it would be best to bring your vehicle to an auto repair shop and seek the help of a professional for an accurate diagnosis.<\/p>\n\n\n\n<p>Here are is a video that can help give you an idea about how this trouble code might be diagnosed:<\/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=\"O2 Sensor Heater Quick-Fix\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/fBQ-1pqSoXM?start=47&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 P0032 Code<\/h2>\n\n\n\n<p>The P0032 code is a generic trouble code that may apply to various makes and models. While vehicles from different manufacturers may share common symptoms, the steps for diagnosis and repair for a P0032 Dodge code may differ from a P0032 Jeep code.<\/p>\n\n\n\n<p>If you&rsquo;re an advanced DIYer who&rsquo;d like to fix this code on your own, it will be helpful to refer to your repair manual or get factory vehicle repair information from an <a href=\"https:\/\/www.carparts.com\/blog\/best-online-resources-to-help-you-learn-how-to-fix-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"online subscription service\">online subscription service<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Getting Your Hands on a Replacement O2 Sensor to Fix P0032<\/h2>\n\n\n\n<p>As mentioned above, one of the ways to resolve this trouble code is to replace your vehicle&rsquo;s faulty <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"O2 sensor\">O2 sensor<\/a>. Keep in mind that this will only work if the sensor itself is malfunctioning or failing. The great news is that it only takes a few clicks to find an OE-grade replacement 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>We only offer oxygen sensors that pass the highest quality control standards to ensure you get one that&rsquo;s built to last. Our selection also includes accurate and detailed fitment information to help you get exactly what your car needs to get back on the road.<\/p>\n\n\n\n<p>You don&rsquo;t even have to visit several auto parts stores to find a replacement O2 sensor for your ride. With your mobile device or computer, you can visit our website and use our vehicle selector to find compatible parts. Then, find the sensors that match your preferred brand, price, and features with our filters.<\/p>\n\n\n\n<p>To give you the best value for money, we offer our O2 sensors at competitive prices. Shop and take advantage of our best deals today.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide<\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" aria-label=\"Oxygen Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/set-repb960901-2_1\" alt=\"Oxygen Sensor\">\n<strong>Oxygen Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" aria-label=\"Engine Control Module\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/a1721000_1\" alt=\"Engine Control Module\">\n<strong>Engine Control Module<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n\n<\/div>\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 code P0032 is triggered when the PCM detects a problem in the operation of the heater element of an&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":16164,"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":[1190],"ppma_author":[2607,2985],"class_list":{"0":"post-16162","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-oxygen-sensor-2","9":"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>P0032 Code: HO2S Heater Control Circuit High (Bank 1 Sensor 1) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn all about the P0032 code\u2014what it means, its possible causes and symptoms, and how to diagnose and fix this trouble code.\" \/>\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\/p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0032 Code: HO2S Heater Control Circuit High (Bank 1 Sensor 1) - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn all about the P0032 code\u2014what it means, its possible causes and symptoms, and how to diagnose and fix this trouble code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1\/\" \/>\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=\"2021-08-12T07:12:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-29T13:59:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-4.jpeg\" \/>\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\\\/p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0032-code-ho2s-heater-control-circuit-high-bank-1-sensor-1\\\/\"},\"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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