{"id":79444,"date":"2025-06-17T13:26:14","date_gmt":"2025-06-17T18:26:14","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=79444"},"modified":"2025-06-17T13:26:14","modified_gmt":"2025-06-17T18:26:14","slug":"p2124-obd2-throttle-pedal-position-sensor-switch-d-circuit-intermittent","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p2124-obd2-throttle-pedal-position-sensor-switch-d-circuit-intermittent","title":{"rendered":"P2124 OBD2: Throttle\/Pedal Position Sensor\/Switch &#8220;D&#8221; Circuit Intermittent"},"content":{"rendered":"<p>When your vehicle&#8217;s onboard diagnostics detect an issue, it generates a trouble code to help identify the problem. One such code is P2124, which pertains to the Throttle\/Pedal Position Sensor\/Switch &#8220;D&#8221; Circuit Intermittent.<\/p>\n<h2>What Does the P2124 Code Mean?<\/h2>\n<p>The P2124 code indicates that there is an intermittent problem with the Throttle\/Pedal Position Sensor circuit, specifically for the &#8220;D&#8221; sensor. This sensor plays a crucial role in the electronic throttle control system (ETCS), which regulates the throttle valve based on the driver&#8217;s accelerator pedal input.<\/p>\n<h2>What Causes the P2124 Code?<\/h2>\n<p>Several factors can lead to the activation of the P2124 code, including:<\/p>\n<ul>\n<li>Accelerator Pedal Position (APP) assembly failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Throttle control motor failure<\/li>\n<li>Wiring issues, such as damaged or corroded wires<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P2124 Code?<\/h2>\n<p>Drivers experiencing issues related to the P2124 code may notice the following symptoms:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Engine may enter limp home mode, significantly reducing power<\/li>\n<\/ul>\n<h2>How Serious Is the P2124 Code?<\/h2>\n<p>The P2124 code is considered urgent and should be addressed promptly. Ignoring this issue can lead to severe engine performance problems and may pose safety risks, as the vehicle may not respond as expected when acceleration is needed.<\/p>\n<h2>How to Diagnose the P2124 Code<\/h2>\n<p>To diagnose the P2124 code, a mechanic will typically follow these steps:<\/p>\n<ol>\n<li>Retrieve the trouble code(s) using an OBD-II scanner.<\/li>\n<li>Inspect the wiring and connectors associated with the APP sensor and throttle control system.<\/li>\n<li>Test the functionality of the APP sensor and PCM.<\/li>\n<li>Check for any stored codes that may provide additional context.<\/li>\n<\/ol>\n<h2>Common Repairs for the P2124 Code<\/h2>\n<p>Depending on the diagnosis, common repairs may include:<\/p>\n<ul>\n<li>Replacing the Accelerator Pedal Position (APP) assembly<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the Powertrain Control Module (PCM)<\/li>\n<li>Addressing any issues with the throttle control motor<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P2124 Code?<\/h2>\n<p>The cost to repair the P2124 code can vary widely based on the underlying cause. Simple wiring repairs may cost around $100 to $200, while replacing components like the APP assembly or PCM can range from $200 to $1,000 or more, depending on labor and parts.<\/p>\n<h2>Can I Fix the P2124 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to address minor wiring issues or replace the APP assembly, diagnosing the root cause of the P2124 code can be complex. If you&#8217;re unsure or lack the necessary tools and experience, it&#8217;s advisable to consult with a professional mechanic to avoid further complications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When your vehicle&#8217;s onboard diagnostics detect an issue, it generates a trouble code to help identify the problem. One such code is P2124, which pertains to the Throttle\/Pedal Position Sensor\/Switch &#8220;D&#8221; Circuit Intermittent. What Does the P2124 Code Mean? The P2124 code indicates that there is an intermittent problem with the Throttle\/Pedal Position Sensor circuit, &hellip;<\/p>\n","protected":false},"author":26,"featured_media":88847,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[11987],"tags":[],"class_list":["post-79444","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-p-obd2-codes-powertrain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P2124 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P2124 code, what causes throttle\/pedal position sensor\/switch &quot;D&quot; circuit intermittent issues, and how to diagnose and fix common problems to maintain optimal engine performance.\" \/>\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.emanualonline.com\/blog\/p2124-obd2-throttle-pedal-position-sensor-switch-d-circuit-intermittent\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2124 OBD2: Throttle\/Pedal Position Sensor\/Switch &quot;D&quot; Circuit Intermittent\" \/>\n<meta property=\"og:description\" content=\"When your vehicle&#039;s onboard diagnostics detect an issue, it generates a trouble code to help identify the problem. One such code is P2124, which pertains\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p2124-obd2-throttle-pedal-position-sensor-switch-d-circuit-intermittent\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-17T18:26:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JC Landry\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:site\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"JC Landry\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2124-obd2-throttle-pedal-position-sensor-switch-d-circuit-intermittent#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p2124-obd2-throttle-pedal-position-sensor-switch-d-circuit-intermittent\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P2124 OBD2: Throttle\\\/Pedal Position Sensor\\\/Switch &#8220;D&#8221; 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He also loves cats, Johnny Cash and Subarus.","sameAs":["https:\/\/www.facebook.com\/jee514","https:\/\/www.instagram.com\/rat_in_chief\/","https:\/\/www.linkedin.com\/in\/jean-claude-landry-857781186\/"],"url":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/06\/p2124-obd2-throttlepedal-position-sensorswitch-d-circuit-intermittent-1050x525.png",1050,525,true]},"uagb_author_info":{"display_name":"JC Landry","author_link":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"},"uagb_comment_info":0,"uagb_excerpt":"When your vehicle&#8217;s onboard diagnostics detect an issue, it generates a trouble code to help identify the problem. One such code is P2124, which pertains to the Throttle\/Pedal Position Sensor\/Switch &#8220;D&#8221; Circuit Intermittent. What Does the P2124 Code Mean? The P2124 code indicates that there is an intermittent problem with the Throttle\/Pedal Position Sensor circuit,&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/comments?post=79444"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79444\/revisions"}],"predecessor-version":[{"id":86143,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/79444\/revisions\/86143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/88847"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=79444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=79444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=79444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}