{"id":64824,"date":"2022-01-19T19:40:18","date_gmt":"2022-01-20T03:40:18","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=64824"},"modified":"2024-12-19T05:11:54","modified_gmt":"2024-12-19T13:11:54","slug":"p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem\/","title":{"rendered":"P0221 Code: Throttle\/Pedal Position Sensor \/ Switch B Circuit Range \/ Performance Problem"},"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-column64824_274a6a-dc > .kt-inside-inner-col,.kadence-column64824_274a6a-dc > .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-column64824_274a6a-dc > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column64824_274a6a-dc > .kt-inside-inner-col{flex-direction:column;}.kadence-column64824_274a6a-dc > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column64824_274a6a-dc > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column64824_274a6a-dc{position:relative;}@media all and (max-width: 1024px){.kadence-column64824_274a6a-dc > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column64824_274a6a-dc > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column64824_274a6a-dc inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-153956  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-749600\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading64824_e8259f-74, .wp-block-kadence-advancedheading.kt-adv-heading64824_e8259f-74[data-kb-block=\"kb-adv-heading64824_e8259f-74\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading64824_e8259f-74 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading64824_e8259f-74[data-kb-block=\"kb-adv-heading64824_e8259f-74\"] 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-heading64824_e8259f-74 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading64824_e8259f-74[data-kb-block=\"kb-adv-heading64824_e8259f-74\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading64824_e8259f-74 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading64824_e8259f-74\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diagnostic trouble code (DTC) P0221 stands for &ldquo;Throttle\/Pedal Position Sensor\/ Switch B Circuit Range\/Performance Problem.&rdquo; It typically means that the sensor in question doesn&rsquo;t always agree with the other redundant sensors.<\/li>\n\n\n\n<li>Some common causes of the P0221 code include a defective throttle position (TP) sensor or switch, faulty pedal position sensor or switch, and a clogged throttle bore.<\/li>\n\n\n\n<li>Possible symptoms of the P0221 code include an illuminated check engine light, your vehicle intermittently stumbling on acceleration or deceleration, and stalling, among other things.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Most computer-equipped engines have a <a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position (TP) sensor\">throttle position (TP) sensor<\/a> that relays data to the powertrain control module (PCM). The TP sensor sends a signal to the PCM to determine the amount of throttle opening and the rate of change.<\/p>\n\n\n\n<p>The TP sensor acts as an electronic accelerator pump that lets the PCM pulse additional fuel from the injectors when the throttle is depressed. If the PCM detects that the throttle angle is not appropriate for a specific RPM, a P0221 code will be logged by on-board diagnostics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0221 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) P0221 stands for &ldquo;Throttle\/Pedal Position Sensor\/ Switch B Circuit Range\/Performance Problem.&rdquo; A &ldquo;range&rdquo; or &ldquo;performance&rdquo; problem typically means that the sensor in question doesn&rsquo;t always agree with the other redundant sensors.<\/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\/01\/modern-black-throttle-position-sensor-in-white-background-1024x683.jpg\" alt=\"modern black throttle position sensor in white background\" class=\"wp-image-64846\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/modern-black-throttle-position-sensor-in-white-background-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\"> Most computer-equipped engines have a throttle position (TP) sensor that relays data to the powertrain control module (PCM).<\/figcaption><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>A &ldquo;range&rdquo; or &ldquo;performance&rdquo; problem typically means that the sensor in question doesn&rsquo;t always agree with the other redundant sensors.<\/p>\n<cite><em>&ndash;&nbsp;<\/em><a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<p>The TP sensor works with the PCM to manage the air-fuel ratio and spark timing, as well as other emission components. If the module detects that the throttle angle is not correspondent to a specific RPM, a P0221 code may be set.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P0221 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 Common Causes of the P0221 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/bad-throttle-position-sensor-symptoms-what-you-need-to-know\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Defective TP sensor\">Defective TP sensor<\/a> or switch<\/li>\n\n\n\n<li>Faulty <a href=\"https:\/\/www.carparts.com\/accelerator-pedal-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"pedal position sensor\">pedal position sensor<\/a>\/switch<\/li>\n\n\n\n<li>Clogged throttle bore<\/li>\n\n\n\n<li>Circuit issues, such as damaged wires or 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<\/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 P0221 Code?<\/h2>\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=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li>\n\n\n\n<li>Intermittent stumble on acceleration or deceleration<\/li>\n\n\n\n<li>Hard starting engine<\/li>\n\n\n\n<li>Stalling<\/li>\n\n\n\n<li>Vehicle stuck in &ldquo;<a href=\"https:\/\/www.carparts.com\/blog\/web-stories\/what-is-limp-mode\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"limp mode\">limp mode<\/a>&rdquo;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0221 Code<\/h2>\n\n\n\n<p>Although a code P0221 is a generic powertrain code and may indicate similar triggers and symptoms, steps for diagnosis and repair may vary from one vehicle to another.<\/p>\n\n\n\n<p>If you&rsquo;re not familiar with the process of diagnosing trouble codes on your own, it may be best to seek help from a certified mechanic. But if you think you have the right tools and know-how to do the job yourself, then you may go ahead and do it yourself.<\/p>\n\n\n\n<p>To help you out, we&rsquo;ve gathered a couple of videos that show what the process 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=\"What Can Cause Check Engine Light and ESP Light with P0221 Fault\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/xZpFZ8DL3CI?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<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=\"2012 Vw Golf Throttle Codes P0122, P0222, P0221\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/MusagQ1W0mI?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 P0221 Code<\/h2>\n\n\n\n<p>Fixing a P0221 code can be confusing and frustrating. If you&rsquo;re not confident with your DIY skills yet, it&rsquo;s a good idea to bring your vehicle to a certified mechanic to ensure that the necessary steps for repair are followed.<\/p>\n\n\n\n<p>But if you think you can get the job done yourself, make sure you have the right tools and information before proceeding. Always refer to your vehicle&rsquo;s <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 check out an online database for vehicle-specific repair information\">repair manual or check out an online database for vehicle-specific repair information<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a New Throttle Position Sensor for Your Car<\/h2>\n\n\n\n<p>A P0221 code triggered by a failed <a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position sensor\">throttle position sensor<\/a> may cause your vehicle to suffer from poor engine performance. To avoid costly and complex repairs down the road, it&rsquo;s important to replace worn and damaged parts right away.<\/p>\n\n\n\n<p>With <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>, shopping for a new throttle position sensor is quick and easy. Just visit our website or download our mobile app to start shopping. Use our vehicle selector to check for fitment, and browse products according to your preferred brand or price range using our search filters.<\/p>\n\n\n\n<p>Our catalog is made up of products sourced from the industry&rsquo;s top parts manufacturers. Parts are manufactured in world-class facilities and undergo rigid testing to ensure they match OE specifications and quality.<\/p>\n\n\n\n<p>Need help checking for fitment or finalizing your order? Our teams are available 24\/7 via our toll-free hotline.<\/p>\n\n\n\n<p>Shop and get the best deals today!<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Most computer-equipped engines have a throttle position (TP) sensor that relays data to the powertrain control module (PCM). The TP&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":64847,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_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":[1679],"ppma_author":[2607,2985],"class_list":{"0":"post-64824","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-throttle-position-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>P0221 Code: Throttle\/Pedal Position Sensor \/ Switch B Circuit Range \/ Performance Problem - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what a P0221 code means, its symptoms, as well as its most common causes. Plus, learn the best way to resolve it. Read on.\" \/>\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\/p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0221 Code: Throttle\/Pedal Position Sensor \/ Switch B Circuit Range \/ Performance Problem - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what a P0221 code means, its symptoms, as well as its most common causes. Plus, learn the best way to resolve it. Read on.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem\/\" \/>\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=\"2022-01-20T03:40:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-19T13:11:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/01\/Throttle-body-with-TPS-being-held-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1536\" \/>\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\\\/p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0221-code-throttle-pedal-position-sensor-switch-b-circuit-range-performance-problem\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com&#039;s thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/thecpteam\\\/\",\"sameAs\":\"https:\\\/\\\/www.facebook.com\\\/carpartscom, https:\\\/\\\/twitter.com\\\/CarPartscom, https:\\\/\\\/www.youtube.com\\\/@CarPartscomOfficial\\\/, https:\\\/\\\/www.instagram.com\\\/carpartscom\\\/\"},{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"Richard McCuistian\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. 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