{"id":16611,"date":"2022-05-26T00:10:00","date_gmt":"2022-05-26T07:10:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16611"},"modified":"2024-06-08T08:54:41","modified_gmt":"2024-06-08T15:54:41","slug":"p0050-code-ho2s-heater-control-circuit-bank-2-sensor-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0050-code-ho2s-heater-control-circuit-bank-2-sensor-1\/","title":{"rendered":"P0050 Code: HO2S Heater Control Circuit Bank 2 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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_7420cc-1a > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_7420cc-1a > .kt-inside-inner-col,.kadence-column_7420cc-1a > .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_7420cc-1a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_7420cc-1a > .kt-inside-inner-col{flex-direction:column;}.kadence-column_7420cc-1a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_7420cc-1a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_7420cc-1a{position:relative;}@media all and (max-width: 1024px){.kadence-column_7420cc-1a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_7420cc-1a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_7420cc-1a qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-1defc3  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-c3b17b\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_d00b0b-77, .wp-block-kadence-advancedheading.kt-adv-heading_d00b0b-77[data-kb-block=\"kb-adv-heading_d00b0b-77\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_d00b0b-77 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_d00b0b-77[data-kb-block=\"kb-adv-heading_d00b0b-77\"] 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_d00b0b-77 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_d00b0b-77[data-kb-block=\"kb-adv-heading_d00b0b-77\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_d00b0b-77 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_d00b0b-77\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>DTC P0050 stands for &ldquo;HO2S Heater Control Circuit Bank 2 Sensor 1.&rdquo;<\/li><li>This code is triggered when the PCM detects problems with the heater wire in bank 2 sensor 1.<\/li><li>This is commonly set due to a malfunctioning heated oxygen sensor, problems with the oxygen sensor heater circuit, and in rare cases, incorrect readings from the PCM.<\/li><li>Common symptoms include a lit check engine light, decreased fuel efficiency, and poor engine performance.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>If you have a scan tool or code reader, you may connect it to your vehicle&rsquo;s OBD port to retrieve the error code. One example of an <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"OBD code\">OBD code<\/a> that may appear on various makes and models is engine code P0050. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0050 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic Trouble Code (DTC) P0045 stands for &ldquo;HO2S Heater Control Circuit Bank 2 Sensor 1.&rdquo; This code gets logged once the PCM detects a potential fault with the bank 2 sensor 1 heater circuit. Bank 2 refers to the side of the engine that does not contain cylinder #1.<\/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><a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Oxygen sensors\">Oxygen sensors<\/a>measure the amount of oxygen in the <a href=\"https:\/\/www.carparts.com\/exhaust-manifold\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust\">exhaust<\/a>. They send data to the vehicle&rsquo;s PCM, which adjusts the air-fuel ratio accordingly. A conventional oxygen sensor will only send a voltage signal once its tip reaches a temperature of about 527&deg;F.  <\/p>\n\n\n\n<p>These sensors need to stay at a certain temperature in order to relay accurate data to the PCM. To achieve a heated state, oxygen sensors equip a heater wire to quickly raise their temperature. This shortens the time it takes for the engine to operate in closed loop.<\/p>\n\n\n\n<p>Once the PCM detects a potential fault in the heater wire in bank 2 sensor 1, it may set this code.<\/p>\n\n\n\n<p>If you need more help locating bank 2 sensor 1, read our guide about <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=\"bank 1 vs bank 2\">bank 1 vs bank 2<\/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\/2020\/09\/oxygen-sensor-1a-1024x1024.jpg\" alt=\"oxygen sensor 1a\" class=\"wp-image-16614\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-1024x1024.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-300x300.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-768x768.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-75x75.jpg 75w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-600x600.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-928x928.jpg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a-150x150.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-1a.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption> A conventional oxygen sensor will only send a voltage signal once its tip reaches a temperature of about 527&deg;F.   <\/figcaption><\/figure>\n\n\n\n<p><em><strong>Note<\/strong>: The definition of code P0050 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 P0050 Code? <\/h2>\n\n\n\n<p>Here are some possible triggers of the P0050 code: <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty heated oxygen sensor<\/li><li>An <a href=\"https:\/\/www.carparts.com\/blog\/bad-o2-sensor-symptoms-causes-replacement-cost\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"issue with the oxygen sensor\">issue with the oxygen sensor<\/a> heater circuit<\/li><li>Malfunctioning PCM<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0050 Code? <\/h2>\n\n\n\n<p>Here are some of the common symptoms you should watch for in relation to the code: <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check engine light is on\">Check engine light is on<\/a><\/li><li>Decreased fuel efficiency<\/li><li>Decreased engine performance <\/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\/2020\/09\/engine-control-module-2a-1024x1024.jpg\" alt=\"engine control module 2a\" class=\"wp-image-16615\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-1024x1024.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-300x300.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-768x768.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-75x75.jpg 75w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-600x600.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-928x928.jpg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a-150x150.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/engine-control-module-2a.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption> A malfunctioning PCM is one of the possible causes of the P0050 code.  <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0050 Code <\/h2>\n\n\n\n<p>Diagnosing the P0050 code isn&rsquo;t easy. If you&rsquo;re not an experienced DIYer, it is best to bring your vehicle to a mechanic. They will have the right tools and know-how to properly identify the root cause of the problem.<\/p>\n\n\n\n<p>However, if you&rsquo;re determined to diagnose this code yourself, here&rsquo;s a video that may give you an idea of what the diagnostic procedure 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=\"O2 Sensor Heater Quick-Fix\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/fBQ-1pqSoXM?start=81&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 P0050 Code <\/h2>\n\n\n\n<p>Although P0050 is a generic code, the appropriate diagnostic and repair strategies may vary depending on your vehicle&rsquo;s year, make, and model. For example, repair procedures for a P0050 <a href=\"https:\/\/www.carparts.com\/chevrolet\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevy\">Chevy<\/a>code may prove different from an <a href=\"https:\/\/www.carparts.com\/audi\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Audi\">Audi<\/a>P0050 code. <\/p>\n\n\n\n<p>If you decide to fix this code yourself, we recommend consulting a <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"vehicle-specific repair manual\">vehicle-specific repair manual<\/a>. You may also subscribe to 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 repair database\">online repair database<\/a> to help you identify the appropriate repair procedure for your vehicle. Alternatively, you may go to an auto shop to get your vehicle fixed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Oxygen Sensor to Resolve the P0050 Code<\/h2>\n\n\n\n<p>Compromised engine performance is the last thing anybody wants to happen to their vehicle. In some cases, the issue can be caused by something as simple as a faulty oxygen sensor.<\/p>\n\n\n\n<p>Don&rsquo;t give yourself a hard time combing through every auto parts store in your area to find a suitable replacement. We&rsquo;ve got exactly what you need here at <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>, and the best part is that you don&rsquo;t have to move an inch from where you&rsquo;re sitting to buy it.<\/p>\n\n\n\n<p>We only offer top-notch <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensors\">oxygen sensors<\/a> on our website, so you can rest assured that you&rsquo;ll get one that&rsquo;s built to last. All our products pass strict quality checks from industry professionals, ensuring maximum durability and dependability.<\/p>\n\n\n\n<p>It only takes a few clicks to find what you need. Enter your vehicle&rsquo;s specifications into our website&rsquo;s vehicle selector to start browsing for compatible oxygen sensors for your daily driver. You can also use the search filters to find a product according to your preferred brand, price range, and more.<\/p>\n\n\n\n<p>Order now, and we&rsquo;ll deliver the part you need straight to your doorstep in as fast as two business days. Check out our catalog and shop for a new oxygen sensor today to clear the P0050 code in no time!<\/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\/repg960907_1\" alt=\"Oxygen Sensor\">\n<strong>Oxygen Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/exhaust-manifold\" target=\"_blank\" aria-label=\"Exhaust Manifold\" 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\/repf960714_1\" alt=\"Exhaust Manifold\">\n<strong>Exhaust Manifold<\/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<\/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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>If you have a scan tool or code reader, you may connect it to your vehicle&rsquo;s OBD port to retrieve&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0050-code-ho2s-heater-control-circuit-bank-2-sensor-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":16616,"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":[1323,1238,1190],"ppma_author":[2607,2985],"class_list":{"0":"post-16611","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-exhaust-manifold-2","10":"tag-oxygen-sensor-2","11":"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>P0050 Code: HO2S Heater Control Circuit Bank 2 Sensor 1 - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what code P0050 means, its possible triggers, and the common symptoms you should watch for in relation to this 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\/p0050-code-ho2s-heater-control-circuit-bank-2-sensor-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0050 Code: HO2S Heater Control Circuit Bank 2 Sensor 1 - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what code P0050 means, its possible triggers, and the common symptoms you should watch for in relation to this code.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0050-code-ho2s-heater-control-circuit-bank-2-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=\"2022-05-26T07:10:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-08T15:54:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/car-oxygen-sensor-white-background-1-1024x683.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0050-code-ho2s-heater-control-circuit-bank-2-sensor-1\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0050-code-ho2s-heater-control-circuit-bank-2-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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