{"id":66742,"date":"2022-02-15T22:01:38","date_gmt":"2022-02-16T06:01:38","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=66742"},"modified":"2026-02-10T20:19:22","modified_gmt":"2026-02-11T04:19:22","slug":"p2201-code-nox-sensor-circuit-range-performance-bank-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2201-code-nox-sensor-circuit-range-performance-bank-1\/","title":{"rendered":"P2201 Code: NOx Sensor Circuit Range \/ Performance (Bank 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-column66742_b1e746-74 > .kt-inside-inner-col,.kadence-column66742_b1e746-74 > .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-column66742_b1e746-74 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column66742_b1e746-74 > .kt-inside-inner-col{flex-direction:column;}.kadence-column66742_b1e746-74 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column66742_b1e746-74 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column66742_b1e746-74{position:relative;}@media all and (max-width: 1024px){.kadence-column66742_b1e746-74 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column66742_b1e746-74 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column66742_b1e746-74 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-8c4426  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-cd8e7d\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading66742_2bb990-2f, .wp-block-kadence-advancedheading.kt-adv-heading66742_2bb990-2f[data-kb-block=\"kb-adv-heading66742_2bb990-2f\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading66742_2bb990-2f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading66742_2bb990-2f[data-kb-block=\"kb-adv-heading66742_2bb990-2f\"] 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-heading66742_2bb990-2f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading66742_2bb990-2f[data-kb-block=\"kb-adv-heading66742_2bb990-2f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading66742_2bb990-2f summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading66742_2bb990-2f\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P2201 code&rsquo;s definition is &ldquo;NOx sensor circuit range\/performance (Bank 1).&rdquo;<\/li>\n\n\n\n<li>It is typically logged due to a nitrogen oxide sensor or circuit issue. In some cases, it could be triggered in error by a faulty PCM.<\/li>\n\n\n\n<li>Nitrogen oxide sensors monitor nitrogen oxide content in the exhaust. The PCM needs this information for the evaporative emission control (EVAP) system to work properly.<\/li>\n\n\n\n<li>An illuminated check engine light, excessive smoke from the exhaust, inconsistent fuel economy, and erratic idle are some of the symptoms associated with this trouble code.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>If you think your vehicle is producing too much emissions, then using an OBD-II scanner is a great way to identify any issues it might have. If your scan tool logs a P2201 diagnostic trouble code (DTC), then this article will help you troubleshoot it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2201 Code Mean?<\/h2>\n\n\n\n<p>The P2201 code&rsquo;s definition is &ldquo;NOx sensor circuit range\/performance (Bank 1).&rdquo; It&rsquo;s triggered when the powertrain control module (PCM) detects an issue with the <a href=\"https:\/\/www.carparts.com\/nitrogen-oxide-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"nitrogen oxide sensors\">nitrogen oxide sensors<\/a>. The nitrogen oxide sensor measures the amount of nitrogen oxide expelled in the exhaust. It&rsquo;s one of the sensors responsible for making sure that the engine is running efficiently and creating as little emissions as possible.<\/p>\n\n\n\n<p>Diesel vehicles are equipped with an evaporative emissions control (EVAP) system that reduces the amount of hydrocarbons a vehicle expels. However, the PCM needs information from the nitrogen oxide sensor to allow the EVAP system to function properly.<\/p>\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\/2022\/02\/nitrogen-oxide-sensor-1024x683.jpg\" alt=\"nitrogen oxide sensor\" class=\"wp-image-66753\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/nitrogen-oxide-sensor-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/nitrogen-oxide-sensor-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/nitrogen-oxide-sensor-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/nitrogen-oxide-sensor-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/nitrogen-oxide-sensor-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/nitrogen-oxide-sensor.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The P2201 code is set when the PCM detects an unusual signal coming from the nitrogen oxide sensor or circuit.<\/figcaption><\/figure>\n\n\n\n<p>The P2201 code is set when the PCM detects an unusual signal coming from the nitrogen oxide sensor or circuit. Since diesel vehicles tend to make a lot of soot in the exhaust, the P2201 code might be caused by a nitrogen oxide sensor affected by soot buildup.<\/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><em><strong>Note:<\/strong> The P2201 code can 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 P2201 Code?<\/h2>\n\n\n\n<p>The P2201 can be caused by the following issues:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Defective or damaged nitrogen oxide sensor<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring\">Wiring<\/a> or connector issues<\/li>\n\n\n\n<li>Faulty PCM issue<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"708\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/smoke-from-the-exhaust-1024x708.jpg\" alt=\"smoke from the exhaust\" class=\"wp-image-66754\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/smoke-from-the-exhaust-1024x708.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/smoke-from-the-exhaust-300x207.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/smoke-from-the-exhaust-768x531.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/smoke-from-the-exhaust-150x104.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/02\/smoke-from-the-exhaust.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Excess smoke from the exhaust is one of the possible symptoms of the P2201 code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Possible Symptoms of the P2201 Code?<\/h2>\n\n\n\n<p>Here are some of the P2201 code&rsquo;s most common symptoms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increased hydrocarbon emissions<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/smoke-from-exhaust-meaning\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Excess smoke from the exhaust\">Excess smoke from the exhaust<\/a><\/li>\n\n\n\n<li>Inconsistent fuel economy<\/li>\n\n\n\n<li>Erratic idle<\/li>\n\n\n\n<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>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2201 Code<\/h2>\n\n\n\n<p>While the P2201 code is usually caused by a faulty or defective nitrogen oxide sensor, this isn&rsquo;t always the case. You might need to visually inspect this sensor, which can be difficult since it&rsquo;s located in your vehicle&rsquo;s <a href=\"https:\/\/www.carparts.com\/exhaust-pipe\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust pipe\">exhaust pipe<\/a>. Accessing it might require special training or tools, depending on your vehicle model. You might want to consult a professional to get a proper diagnosis.<\/p>\n\n\n\n<p>The video below might give you an idea of the diagnostic process:<\/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=\"Ram Cummins 6.7 diesel NOx sensor #1 and codes P2201 and U059E\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/u94WES_vyCc?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 P2201 Code<\/h2>\n\n\n\n<p>The first step for any repair process is a proper diagnosis. If you fail to accurately diagnose the issue, you might end up replacing or fixing a part that is functioning properly.<\/p>\n\n\n\n<p>It can be tricky to fix an issue that&rsquo;s triggering the P2201 because there are many possible causes. Once you&rsquo;ve identified the cause of the <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"trouble code\">trouble code<\/a>, you can consult reliable online auto repair resources and how-to guides for possible fixes.<\/p>\n\n\n\n<p>Since all vehicles are different, a fix for a DTC for one vehicle might not work for another. Internal components are designed differently for each vehicle model. This is why you should consult a <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manual or repair database\">repair manual or repair database<\/a> when it comes to troubleshooting and repairing DTCs. Chilton repair manuals can also be useful. An ALLDATA DIY subscription might be better, as they provide detailed factory repair information for drivers who want to do the repairs themselves. If you aren&rsquo;t experienced in automotive repair, it&rsquo;s best to consult a mechanic, so that you can avoid problems and more expensive repairs down the line.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Nitrous Oxide Sensor for Your Vehicle<\/h2>\n\n\n\n<p>If your vehicle&rsquo;s nitrous oxide sensor develops a problem, it&rsquo;s best not to drive it in the meantime. If you drive your car with a faulty NOx sensor, you might get more exhaust system issues. Instead of ignoring the problem, order a new nitrous oxide sensor from CarParts.com and enjoy the convenience of having it delivered to your doorstep.<\/p>\n\n\n\n<p>At <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>, you can get a new nitrous oxide sensor without leaving the comfort of your home. Simply use your mobile phone to visit our website, and use our vehicle selector to enter your vehicle&rsquo;s year, make, model, and engine to see only parts that fit. Ordering takes only a few clicks or taps, and we ensure you get a quality NOx sensor because we only source our products from trusted manufacturers.<\/p>\n\n\n\n<p>Restore your vehicle to like-new performance with a nitrous oxide sensor from CarParts.com. Don&rsquo;t miss out on the best deals on <a href=\"https:\/\/www.carparts.com\/nitrogen-oxide-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"NOx sensors\">NOx sensors<\/a>, and get what you need today!<\/p>\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\/nitrogen-oxide-sensor\/dorman\/rb9046049\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rb9046049_1\" alt=\"Dorman&reg; &ndash; 904-6049 Nitrogen Oxide Sensor\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rb9046049_1\" alt=\"Dorman&reg; &ndash; 904-6049 Nitrogen Oxide Sensor\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/nitrogen-oxide-sensor\/dorman\/rb9046049\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Dorman&reg; &ndash; 904-6049 Nitrogen Oxide Sensor\">Dorman&reg; &ndash; 904-6049 Nitrogen Oxide Sensor<\/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-0.svg\" alt=\"0 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$246.99<\/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\/nitrogen-oxide-sensor\/dorman\/rb9046049\" 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\/ac-delco\/ac21811787\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/images\/ac21811787_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\/images\/ac21811787_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\/ac-delco\/ac21811787\" 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\">$204.99<\/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\/engine-control-module\/ac-delco\/ac21811787\" 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\/exhaust-pipe\/replacement\/rr96290001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rr96290001_1\" alt=\"Replacement &ndash; Exhaust Pipe, 6 Cyl., 3.6L Engine, Crossover\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/rr96290001_1\" alt=\"Replacement &ndash; Exhaust Pipe, 6 Cyl., 3.6L Engine, Crossover\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/exhaust-pipe\/replacement\/rr96290001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Exhaust Pipe, 6 Cyl., 3.6L Engine, Crossover\">Replacement &ndash; Exhaust Pipe, 6 Cyl., 3.6L Engine, Crossover<\/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-5.svg\" alt=\"5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$124.99<\/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\/exhaust-pipe\/replacement\/rr96290001\" 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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>If you think your vehicle is producing too much emissions, then using an OBD-II scanner is a great way to&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2201-code-nox-sensor-circuit-range-performance-bank-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":66752,"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":[3157],"ppma_author":[2607,2855],"class_list":{"0":"post-66742","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-nitrogen-oxide-sensor","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>P2201 Code: NOx Sensor Circuit Range \/ Performance (Bank 1) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn about the definition, causes, and symptoms of the P2201 diagnostic trouble code in this article. Plus find out what to do if your vehicle registers 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\/p2201-code-nox-sensor-circuit-range-performance-bank-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2201 Code: NOx Sensor Circuit Range \/ Performance (Bank 1) - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn about the definition, causes, and symptoms of the P2201 diagnostic trouble code in this article. 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