{"id":16077,"date":"2021-10-22T02:06:00","date_gmt":"2021-10-22T09:06:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16077"},"modified":"2026-02-10T21:47:27","modified_gmt":"2026-02-11T05:47:27","slug":"p0053-code-heated-o2-sensor-h02s-heater-resistance-bank-1-sensor-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0053-code-heated-o2-sensor-h02s-heater-resistance-bank-1-sensor-1\/","title":{"rendered":"P0053 Code: Heated O2 Sensor (H02S)  Heater Resistance (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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column16077_afc8bd-4b > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16077_afc8bd-4b > .kt-inside-inner-col,.kadence-column16077_afc8bd-4b > .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-column16077_afc8bd-4b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16077_afc8bd-4b > .kt-inside-inner-col{flex-direction:column;}.kadence-column16077_afc8bd-4b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column16077_afc8bd-4b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16077_afc8bd-4b{position:relative;}@media all and (max-width: 1024px){.kadence-column16077_afc8bd-4b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column16077_afc8bd-4b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16077_afc8bd-4b inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-9a9bcf  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-b3b890\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading16077_a92d19-6a, .wp-block-kadence-advancedheading.kt-adv-heading16077_a92d19-6a[data-kb-block=\"kb-adv-heading16077_a92d19-6a\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading16077_a92d19-6a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading16077_a92d19-6a[data-kb-block=\"kb-adv-heading16077_a92d19-6a\"] 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-heading16077_a92d19-6a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading16077_a92d19-6a[data-kb-block=\"kb-adv-heading16077_a92d19-6a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading16077_a92d19-6a summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading16077_a92d19-6a\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P0053 trouble code stands for &ldquo;Heated O2 Sensor (HO2S) Heater Resistance (Bank 1, Sensor 1).&rdquo;<\/li>\n\n\n\n<li>It indicates that the PCM perceives a problem in the heater circuit of the pre-catalytic or upstream oxygen sensor.<\/li>\n\n\n\n<li>A faulty heated O2 sensor, circuit issues, a faulty PCM, a blown fuse or burnt fusible link, or a defective engine control relay may trigger this trouble code.<\/li>\n\n\n\n<li>An illuminated check engine light and diminished fuel efficiency are some of the symptoms to look out for. Other related DTCs may also be stored<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Oxygen sensors, also known as O2 sensors, became mandatory in the mid-1900s to reduce vehicle emissions. They detect the amount of oxygen in the <a href=\"https:\/\/www.carparts.com\/exhaust-system\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust system\">exhaust system<\/a> and rely on built-in heating elements to reach operating temperatures. The P0053 code indicates a potential problem with the bank 1 sensor 1 oxygen sensor&rsquo;s heater circuit. Learn more about this code, its symptoms, and potential causes with this short guide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0053 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) P0053 stands for &ldquo;Heated O2 Sensor (HO2S) Heater Resistance (Bank 1, Sensor 1). It indicates that the vehicle&rsquo;s computer or powertrain control module (PCM) perceives a problem in the heater circuit of the pre-catalytic or upstream oxygen sensor.<\/p>\n\n\n<style>.kadence-column16077_778c13-22 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16077_778c13-22 > .kt-inside-inner-col,.kadence-column16077_778c13-22 > .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-column16077_778c13-22 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16077_778c13-22 > .kt-inside-inner-col{flex-direction:column;}.kadence-column16077_778c13-22 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column16077_778c13-22 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16077_778c13-22{position:relative;}@media all and (max-width: 1024px){.kadence-column16077_778c13-22 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column16077_778c13-22 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16077_778c13-22 kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id16077_53ae4d-75 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id16077_53ae4d-75 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id16077_53ae4d-75 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:32px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id16077_53ae4d-75 > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id16077_53ae4d-75 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id16077_53ae4d-75 > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id16077_53ae4d-75 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id16077_53ae4d-75 alignnone pro-tip-wrap wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-right-golden kt-mobile-layout-right-golden kt-row-valign-top\">\n<style>.kadence-column16077_20cad5-7c > .kt-inside-inner-col{display:flex;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col,.kadence-column16077_20cad5-7c > .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-column16077_20cad5-7c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16077_20cad5-7c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col > *, .kadence-column16077_20cad5-7c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column16077_20cad5-7c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16077_20cad5-7c{position:relative;}@media all and (max-width: 1024px){.kadence-column16077_20cad5-7c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column16077_20cad5-7c > .kt-inside-inner-col > *, .kadence-column16077_20cad5-7c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column16077_20cad5-7c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column16077_20cad5-7c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col > *, .kadence-column16077_20cad5-7c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column16077_20cad5-7c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column16077_20cad5-7c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16077_20cad5-7c kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image16077_0a4968-13.kb-image-is-ratio-size, .kb-image16077_0a4968-13 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image16077_0a4968-13.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image16077_0a4968-13 .kb-image-is-ratio-size{align-self:unset;}.kb-image16077_0a4968-13 figure{max-width:45px;}.kb-image16077_0a4968-13 .image-is-svg, .kb-image16077_0a4968-13 .image-is-svg img{width:100%;}.kb-image16077_0a4968-13 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image16077_0a4968-13\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col,.kadence-column16077_ded2b6-b5 > .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-column16077_ded2b6-b5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16077_ded2b6-b5{position:relative;}@media all and (max-width: 1024px){.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column16077_ded2b6-b5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16077_ded2b6-b5 inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\nThe ECM\/PCM measures the current the sensor consumes; thus, it knows when the heater or the heater circuit is open because no current will be consumed when the heater is energized.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/p0137-code-oxygen-sensor-circuit-low-voltage-bank-1-sensor-2\/\" target=\"_self\" rel=\"dofollow\" class=\"u7aeeb0ef920a32854b76d38d77b2bb74\"><style> .u7aeeb0ef920a32854b76d38d77b2bb74 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u7aeeb0ef920a32854b76d38d77b2bb74:active, .u7aeeb0ef920a32854b76d38d77b2bb74:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u7aeeb0ef920a32854b76d38d77b2bb74 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u7aeeb0ef920a32854b76d38d77b2bb74 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u7aeeb0ef920a32854b76d38d77b2bb74 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u7aeeb0ef920a32854b76d38d77b2bb74:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">P0137 Code: Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 2)<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-1024x682.jpg\" alt=\"Clear close up view of an Upstream Oxygen Sensor In a Car\" class=\"wp-image-45259\" style=\"width:1024px;height:682px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Clear-close-up-view-of-an-Upstream-Oxygen-Sensor-In-a-Car.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">P0053 code indicates that the vehicle&rsquo;s computer or powertrain control module (PCM) perceives a problem in the heater circuit of the pre-catalytic or upstream oxygen sensor.<\/figcaption><\/figure>\n\n\n\n<p>&ldquo;Bank 1&rdquo; indicates that the issue affects the engine bank containing the #1 cylinder, while &ldquo;Sensor 1&rdquo; indicates that the problem involves the upstream oxygen sensor. For further reading on sensor locations, read our guide on <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=\"where  bank 1 and bank 2 are located\">where  bank 1 and bank 2 are located<\/a>.<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensor\">oxygen sensor<\/a> typically comes with a heating element that preheats the sensor during cold start conditions. This speeds up the process of getting the oxygen sensor up to operating temperature. Heated oxygen sensors have a circuit dedicated to heating them in addition to the oxygen sensor signal circuits.<\/p>\n\n\n\n<p>The PCM turns on the oxygen sensor heater when the engine coolant temperature drops below a specific temperature range. The PCM continues to apply voltage to the heating element until the PCM reaches a closed-loop (automatic) operation. Once the engine reaches its normal operating temperature, the PCM stops delivering voltage to the oxygen sensor heater circuit.<\/p>\n\n\n\n<p>The P0053 code gets stored if the PCM detects resistance from the oxygen sensor heater circuit that&rsquo;s out of the specified range. When this happens, the malfunction indicator light (MIL) or the check engine light will illuminate.<\/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>For more information on the heating process of oxygen sensors, you can read <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=\"&ldquo;Why Do Oxygen Sensors Need Heat?&rdquo;\">&ldquo;Why Do Oxygen Sensors Need Heat?&rdquo;<\/a> Read the following section to learn the most likely causes of P0053.<\/p>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/emission-control-systems\/\" target=\"_self\" rel=\"dofollow\" class=\"u7016aaf0485f98a4a487ec6945d1ac6f\"><style> .u7016aaf0485f98a4a487ec6945d1ac6f { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u7016aaf0485f98a4a487ec6945d1ac6f:active, .u7016aaf0485f98a4a487ec6945d1ac6f:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u7016aaf0485f98a4a487ec6945d1ac6f { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u7016aaf0485f98a4a487ec6945d1ac6f .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u7016aaf0485f98a4a487ec6945d1ac6f .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u7016aaf0485f98a4a487ec6945d1ac6f:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">Emission Control Systems<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of the P0053 code may vary depending on the vehicle manufacturer. We recommend checking your trusted 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 P0053 Code?<\/h2>\n\n\n\n<p>As with most OBD-II codes, there are a lot of potential reasons why the code P0053 registers in your vehicle&rsquo;s memory. Below are just some potential causes for this trouble code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Faulty heated O2 sensor Bank 1, Sensor 1<\/li>\n\n\n\n<li>HO2 sensor Bank 1 Sensor 1&nbsp; circuit issues, such as damaged wiring and poor connections<\/li>\n\n\n\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM\">PCM<\/a><\/li>\n\n\n\n<li>Blown fuse or burnt fusible link<\/li>\n\n\n\n<li>Defective engine control relay<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0053 Code?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-1024x683.jpg\" alt=\"Check Engine Light Illuminated Modern Car\" class=\"wp-image-45260\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/10\/Check-Engine-Light-Illuminated-Modern-Car-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">An illuminated check engine light is a common symptom of the P0053 code.<\/figcaption><\/figure>\n\n\n\n<p>When the oxygen sensor or its related components have issues, it will most likely impact fuel efficiency. Depending on the severity of the problem, other components may get affected. Below are some common symptoms of the P0053 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check Engine Light on\">Check Engine Light on<\/a><\/li>\n\n\n\n<li>Diminished fuel efficiency<\/li>\n\n\n\n<li>Other related DTC codes may also be stored<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0053 Code<\/h2>\n\n\n\n<p>Diagnosing an OBD-II code can be difficult since there are a handful of causes for logging the trouble code. As a DIYer, you&rsquo;d have to rule out unrelated issues to get to the exact root cause, and that may take a while.<\/p>\n\n\n\n<p>Good thing there are various resources you can use to help you with your task. Repair guides and databases are great resources since they usually include visual aids and detailed instructions. Alternatively, you can also consult your local mechanic or technician.<\/p>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/p0037-code-heated-oxygen-sensor-heater-control-circuit-low-bank-1-sensor-2\/\" target=\"_self\" rel=\"dofollow\" class=\"ubde3bac048aa0a686bb1525e7b01cd67\"><style> .ubde3bac048aa0a686bb1525e7b01cd67 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .ubde3bac048aa0a686bb1525e7b01cd67:active, .ubde3bac048aa0a686bb1525e7b01cd67:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .ubde3bac048aa0a686bb1525e7b01cd67 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .ubde3bac048aa0a686bb1525e7b01cd67 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .ubde3bac048aa0a686bb1525e7b01cd67 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .ubde3bac048aa0a686bb1525e7b01cd67:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">P0037 Code: Heated Oxygen Sensor Heater Control Circuit Low (Bank 1, Sensor 2)<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>Aside from these, there are other ways to get more information on a specific OBD-II code. Below is a helpful video resource you can use to learn more about the P0053 code:<\/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\">\nhttps:\/\/youtu.be\/fBQ-1pqSoXM?t=65\n<\/div><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0053 Code<\/h2>\n\n\n\n<p>There isn&rsquo;t a single guaranteed solution to OBD-II codes because most of these have many potential causes. Also, repair and diagnosis will differ, depending on the vehicle&rsquo;s make and model. Intimidating OBD-II repairs may be, it&rsquo;s not entirely impossible.<\/p>\n\n\n\n<p>For a seasoned DIYer, the best way to deal with the situation is to rely on repair manuals and databases. These manuals provide accurate information that&rsquo;s specific to your vehicle&rsquo;s year, make, and model. Also, repair guides come with clear diagrams and instructions so you can finish your task efficiently. However, if you&rsquo;re not as comfortable with your OBD-II troubleshooting skills, consult a professional mechanic or technician for repairs and such.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Other Notes About P0053<\/h2>\n\n\n\n<p>The engine code P0053 has average repair importance and difficulty level. However, it&rsquo;s still best to address the issue as soon as you can to prevent damage to the catalytic converter and other vehicle components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Oxygen Sensor to Clear the P0053 Code<\/h2>\n\n\n\n<p>There&rsquo;s nothing more frustrating than dealing with issues like poor engine performance and fuel economy. If you trace the cause of the P0053 code to a faulty oxygen sensor, don&rsquo;t put off replacing it.<\/p>\n\n\n\n<p>Fortunately, <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a> has exactly what you need. We have a great selection of top-notch <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensors\">oxygen sensors<\/a> that pass the highest quality control standards from the most reputable names in the industry. Every part we offer is precision-engineered to meet factory specifications.<\/p>\n\n\n\n<p>Everything you need for your daily driver is only a few clicks away when you shop from us. Simply enter your vehicle&rsquo;s year, make, and model into our vehicle selector to start browsing tailor-fit oxygen sensors for your ride. You can also use the search filters to find an oxygen sensor that matches your preferred brand, price range, and more.<\/p>\n\n\n\n<p>Order now, and we&rsquo;ll deliver your product straight to your doorstep in as fast as two business days. Also, don&rsquo;t worry if you&rsquo;re working with a tight budget. 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>Don&rsquo;t leave your daily driver cooped up in the garage for too long. Shop for a durable oxygen sensor replacement to clear this trouble 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\/repc960915_1\">\n<strong>Oxygen Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/exhaust-system\" target=\"_blank\" aria-label=\"exhaust system\" 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\/m6615072_1\">\n<strong>Exhaust System<\/strong>\n<\/a>\n\n\n<!-- end of editable content -->\n\n<\/div>\n\n\n\n<div class=\"shop-project\">\n\n    <h2>Shop this Project<\/h2>\n\n    <ul class=\"shop-project-list\">\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repb960901\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repb960901_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repb960901_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repb960901\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector\">DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$22.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repb960901\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repn960915\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repn960915_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repn960915_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repn960915\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated\">DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$49.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repn960915\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/engine-control-module\/a1-cardone\/a1777747\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/a1777747_1\" alt=\"A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/a1777747_1\" alt=\"A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/engine-control-module\/a1-cardone\/a1777747\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually\">A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$95.49<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/engine-control-module\/a1-cardone\/a1777747\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n            <\/ul>\n<\/div>\n\n\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>Oxygen sensors, also known as O2 sensors, became mandatory in the mid-1900s to reduce vehicle emissions. They detect the amount&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0053-code-heated-o2-sensor-h02s-heater-resistance-bank-1-sensor-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":16079,"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-16077","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 v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P0053 Code: Heated O2 Sensor (H02S) Heater Resistance (Bank 1, Sensor 1) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn more about the definition and causes of the P0053 code and and its connection to your heated oxygen sensor with this short but informative guide.\" \/>\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\/p0053-code-heated-o2-sensor-h02s-heater-resistance-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=\"P0053 Code: Heated O2 Sensor (H02S) Heater Resistance (Bank 1, Sensor 1) - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn more about the definition and causes of the P0053 code and and its connection to your heated oxygen sensor with this short but informative guide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0053-code-heated-o2-sensor-h02s-heater-resistance-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:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-22T09:06:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-11T05:47:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/heated-oxygen-sensor-1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"998\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0053-code-heated-o2-sensor-h02s-heater-resistance-bank-1-sensor-1\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0053-code-heated-o2-sensor-h02s-heater-resistance-bank-1-sensor-1\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"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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