{"id":77757,"date":"2025-08-29T10:39:03","date_gmt":"2025-08-29T15:39:03","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77757"},"modified":"2025-08-29T10:39:03","modified_gmt":"2025-08-29T15:39:03","slug":"p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open","title":{"rendered":"P0487 OBD2: Exhaust Gas Recirculation Throttle Control Circuit &#8220;A&#8221; \/Open"},"content":{"rendered":"<p>The P0487 code is an OBD-II trouble code that indicates an electrical issue with the intake throttle actuator, which is integral to the vehicle&#8217;s emission control system.<\/p>\n<h2>What Does the P0487 Code Mean?<\/h2>\n<p>OBD-II Code P0487 is defined as an Exhaust Gas Recirculation Throttle Control Circuit &#8220;A&#8221; \/Open. While the description suggests a fault within the EGR system, it actually points to a problem with the electronic throttle body, specifically the intake throttle actuator.<\/p>\n<h2>What Causes the P0487 Code?<\/h2>\n<p>The P0487 code can be triggered by several issues, including:<\/p>\n<ul>\n<li>EGR throttle body assembly failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues related to the throttle actuator<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0487 Code?<\/h2>\n<p>Common symptoms associated with the P0487 code include:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Potential stalling or rough idling<\/li>\n<\/ul>\n<h2>How Serious Is the P0487 Code?<\/h2>\n<p>The P0487 code is classified as a moderate severity code. While it may not pose an immediate threat to the vehicle&#8217;s safety or functionality, it is essential to have it diagnosed within a reasonable timeframe. Ignoring this code could lead to further complications and performance issues.<\/p>\n<h2>How to Diagnose the P0487 Code<\/h2>\n<p>A proper diagnosis of the P0487 code typically requires specialized equipment and tools. Here are the steps a mechanic might follow:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the code and check for any related codes.<\/li>\n<li>Inspect the wiring and connections related to the intake throttle actuator.<\/li>\n<li>Test the EGR throttle body assembly for functionality.<\/li>\n<li>Examine the Powertrain Control Module for faults.<\/li>\n<\/ul>\n<h2>Common Repairs for the P0487 Code<\/h2>\n<p>Repairs for the P0487 code may involve:<\/p>\n<ul>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the EGR throttle body assembly<\/li>\n<li>Replacing or reprogramming the Powertrain Control Module if it is diagnosed as faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0487 Code?<\/h2>\n<p>The cost to fix the P0487 code can vary significantly based on the underlying issue. On average, repairs can range from $100 to $1,000, depending on whether it involves simple wiring repairs or a more complex component replacement.<\/p>\n<h2>Can I Fix the P0487 Code Myself?<\/h2>\n<p>While some aspects of diagnosing and fixing the P0487 code may be manageable for a DIYer, such as checking connections and wiring, it is often advisable to consult a professional mechanic. They have the expertise and tools necessary for accurate diagnosis and repair, ensuring the issue is resolved properly and safely.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0487 code is an OBD-II trouble code that indicates an electrical issue with the intake throttle actuator, which is integral to the vehicle&#8217;s emission control system. What Does the P0487 Code Mean? OBD-II Code P0487 is defined as an Exhaust Gas Recirculation Throttle Control Circuit &#8220;A&#8221; \/Open. While the description suggests a fault within &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94424,"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-77757","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 P0487 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0487 code, what causes exhaust gas recirculation throttle control circuit 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\/p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0487 OBD2: Exhaust Gas Recirculation Throttle Control Circuit &quot;A&quot; \/Open\" \/>\n<meta property=\"og:description\" content=\"The P0487 code is an OBD-II trouble code that indicates an electrical issue with the intake throttle actuator, which is integral to the vehicle&#039;s emission\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open\" \/>\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=\"2025-08-29T15:39:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open.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\\\/p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0487-obd2-exhaust-gas-recirculation-throttle-control-circuit-a-open\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0487 OBD2: Exhaust Gas Recirculation Throttle Control Circuit &#8220;A&#8221; 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