{"id":80063,"date":"2023-01-23T20:40:32","date_gmt":"2023-01-24T04:40:32","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=80063"},"modified":"2024-12-19T05:21:26","modified_gmt":"2024-12-19T13:21:26","slug":"p2125-code-throttle-pedal-position-sensor-switch-e-circuit","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2125-code-throttle-pedal-position-sensor-switch-e-circuit\/","title":{"rendered":"P2125 Code: Throttle\/Pedal Position Sensor\/Switch \u201cE\u201d Circuit"},"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-column80063_1e284d-7a > .kt-inside-inner-col,.kadence-column80063_1e284d-7a > .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-column80063_1e284d-7a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column80063_1e284d-7a > .kt-inside-inner-col{flex-direction:column;}.kadence-column80063_1e284d-7a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column80063_1e284d-7a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column80063_1e284d-7a{position:relative;}@media all and (max-width: 1024px){.kadence-column80063_1e284d-7a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column80063_1e284d-7a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column80063_1e284d-7a inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-826f28  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-605bdf\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading80063_94ee3c-15, .wp-block-kadence-advancedheading.kt-adv-heading80063_94ee3c-15[data-kb-block=\"kb-adv-heading80063_94ee3c-15\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading80063_94ee3c-15 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading80063_94ee3c-15[data-kb-block=\"kb-adv-heading80063_94ee3c-15\"] 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-heading80063_94ee3c-15 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading80063_94ee3c-15[data-kb-block=\"kb-adv-heading80063_94ee3c-15\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading80063_94ee3c-15 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading80063_94ee3c-15\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diagnostic trouble code P2125 stands for &ldquo;Throttle\/Pedal Position Sensor\/Switch &lsquo;E&rsquo; Circuit.&rdquo; The powertrain control module (PCM) triggers this code when it detects a voltage range from the throttle position (TP) sensor that&rsquo;s outside factory specifications.&nbsp;<\/li>\n\n\n\n<li>The common causes of the P2125 code include a sticking throttle pedal return spring, corrosion in the MAP or APPS harness, wire harness issues, or a malfunctioning ECM or PCM.<\/li>\n\n\n\n<li>The common symptoms of a P2125 code include an illuminated check engine light, poor idle quality, and engine stalling.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <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> monitors throttle position and sends its findings to the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM). But like any other sensor inside your engine, the TP sensor could develop problems over time. P2125 is a trouble code related to a fault in this sensor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2125 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> P2125 stands for &ldquo;Throttle\/Pedal Position Sensor\/Switch &lsquo;E&rsquo; Circuit.&rdquo; The PCM logs it when it detects a voltage range that&rsquo;s outside factory specifications from the sensor.<\/p>\n\n\n\n<p>Once the PCM detects that a voltage signal is outside the normal range, it&rsquo;ll trigger the P2125 code. &ldquo;E&rdquo; refers to a particular circuit or circuit area within the sensor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"602\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts-1024x602.jpg\" alt=\"throttle position sensor tp sensor replacement parts\" class=\"wp-image-80238\" style=\"width:1024px;height:602px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts-1024x602.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts-300x176.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts-768x452.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts-1536x904.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts-150x88.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/01\/throttle-position-sensor-tp-sensor-replacement-parts.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The throttle position (TP) sensor monitors throttle position and sends its findings to the powertrain control module (PCM).<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">More About the Throttle Position Sensor<\/h2>\n\n\n\n<p>The voltage values might vary depending on the vehicle&rsquo;s year, make, and model. So the signal voltages that could trigger the code could vary per vehicle. You can refer to your vehicle&rsquo;s manual or talk to a licensed mechanic for more information on this.<\/p>\n\n\n\n<p>Note that the PCM is aware that any significant variation in throttle position corresponds to a change in manifold pressure (MAP). For comparison purposes, the PCM on some models will track MAP and TPS operation.<\/p>\n\n\n\n<p>For more technical information that can help you find the best approach to solving P2125 and similar codes, read our discussion about <a href=\"https:\/\/www.carparts.com\/blog\/p2138-code-throttle-pedal-position-sensor-switch-d-e-voltage-correlation\/#An_In-depth_Look_at_Accelerator_Pedal_Position_Sensors\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"accelerator pedal position sensors\">accelerator pedal position sensors<\/a>.<\/p>\n\n\n\n<p><em><strong>Note:<\/strong> The definition of the P2125 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 Common Causes of the P2125 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sticking throttle pedal return spring (not common)<\/li>\n\n\n\n<li>Corrosion in the MAP or APPS Harness connector<\/li>\n\n\n\n<li>Harness issues<\/li>\n\n\n\n<li>Malfunctioning APPS or <a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ECM\/PCM\">ECM\/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 P2125 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>Poor idle quality<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-shuts-off-while-driving-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Stalling\">Stalling<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2125 Code<\/h2>\n\n\n\n<p>The P2125 is a general error code, but that doesn&rsquo;t mean that there&rsquo;s a universal way to diagnose and clear it. Keep in mind that the way a vehicle is designed tends to vary based on its manufacturer.<\/p>\n\n\n\n<p>If you&rsquo;re not sure how to determine what&rsquo;s causing the problem, it&rsquo;s best to take your vehicle to an auto repair shop for a proper diagnosis. Otherwise, you can do it yourself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2125 Code<\/h2>\n\n\n\n<p>Resolving a P2125 error code can be challenging, especially if you don&rsquo;t have the knowledge and equipment to clear the code. If that&rsquo;s the case, your best option is to let a licensed mechanic address the issue for you.<\/p>\n\n\n\n<p>But if you&rsquo;re confident that you can resolve the trouble code on your own, make sure you have the right repair guide before you get started. Find vehicle-specific guides from resources like Chilton or an ALLDATA subscription.<\/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>The throttle position (TP) sensor monitors throttle position and sends its findings to the powertrain control module (PCM). But like&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2125-code-throttle-pedal-position-sensor-switch-e-circuit\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":80242,"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":[1680,1323,1615,1679],"ppma_author":[2607,2985],"class_list":{"0":"post-80063","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-accelerator-pedal-position-sensor","9":"tag-engine-control-module-2","10":"tag-throttle-body","11":"tag-throttle-position-sensor","12":"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>P2125 Code: Throttle\/Pedal Position Sensor\/Switch \u201cE\u201d Circuit - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Here\u2019s the meaning behind a P2125 code as well as the most common causes and symptoms behind it. Read more.\" \/>\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\/p2125-code-throttle-pedal-position-sensor-switch-e-circuit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2125 Code: Throttle\/Pedal Position Sensor\/Switch \u201cE\u201d Circuit - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Here\u2019s the meaning behind a P2125 code as well as the most common causes and symptoms behind it. 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