{"id":80922,"date":"2023-02-08T18:24:26","date_gmt":"2023-02-09T02:24:26","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=80922"},"modified":"2024-12-19T05:24:27","modified_gmt":"2024-12-19T13:24:27","slug":"epc-light-meaning-and-what-to-do-when-it-comes-on","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/epc-light-meaning-and-what-to-do-when-it-comes-on\/","title":{"rendered":"EPC Light Meaning and What to Do When It Comes On"},"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-column80922_645e59-5a > .kt-inside-inner-col,.kadence-column80922_645e59-5a > .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-column80922_645e59-5a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column80922_645e59-5a > .kt-inside-inner-col{flex-direction:column;}.kadence-column80922_645e59-5a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column80922_645e59-5a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column80922_645e59-5a{position:relative;}@media all and (max-width: 1024px){.kadence-column80922_645e59-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column80922_645e59-5a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column80922_645e59-5a inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-e381c9  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-2ca149\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading80922_549474-a5, .wp-block-kadence-advancedheading.kt-adv-heading80922_549474-a5[data-kb-block=\"kb-adv-heading80922_549474-a5\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading80922_549474-a5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading80922_549474-a5[data-kb-block=\"kb-adv-heading80922_549474-a5\"] 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-heading80922_549474-a5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading80922_549474-a5[data-kb-block=\"kb-adv-heading80922_549474-a5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading80922_549474-a5 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading80922_549474-a5\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The electric power control (EPC) warning light indicates a problem with the vehicle&rsquo;s electronic power control system.<\/li>\n\n\n\n<li>EPC lights are exclusive to vehicles under the Volkswagen Audi Group.<\/li>\n\n\n\n<li>When the EPC lights come on, it&rsquo;s a good idea to stop your vehicle and bring it to an auto repair shop as soon as possible.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Dashboard lights are called &ldquo;telltale lights&rdquo; because they give the driver an idea about what&rsquo;s wrong with the vehicle. If you own a Volkswagen, Audi, or Porsche, it probably has an electric power control (EPC) warning light. Find out what this light means, its causes, and what to do once it turns on.<\/p>\n\n\n\n<p>The EPC light is <strong>exclusive to vehicles under the Volkswagen Audi Group (VAG)<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does an EPC Light Mean?<\/h2>\n\n\n\n<p>The electric power control light<strong> triggers when there&rsquo;s a problem in the electronic power control system<\/strong>.<strong> <\/strong>It monitors the vehicle&rsquo;s throttle and ignition as well as its electronic stability and cruise control.<\/p>\n\n\n\n<p>When the ignition is switched on, the (ECM) checks the electronic throttle control system for circuit integrity and communications. During this test, the instrument cluster EPC warning light is illuminated.<\/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\/2023\/02\/car-epc-light-flashing-on-dashboard-1024x683.jpg\" alt=\"car epc light flashing on dashboard\" class=\"wp-image-80923\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-on-dashboard-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Depending on the problem, other warning lights can illuminate at the same time as the EPC, like the check engine light, anti-lock braking system light, and electric power steering lights.<\/figcaption><\/figure>\n\n\n\n<p>If no malfunction in the electronic throttle control system is detected, the EPC warning light is extinguished immediately after the engine starts.<\/p>\n\n\n\n<p>In the event of a malfunction while the engine is running, the ECM will activate the EPC warning light and a diagnostic trouble code will be stored in the ECM memory. The code will depend on the issue that was detected.<\/p>\n\n\n\n<p>Depending on the problem, other warning lights can illuminate at the same time as the EPC, like the <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check engine light\">check engine light<\/a>, <a href=\"https:\/\/www.carparts.com\/blog\/what-is-abs-how-does-it-work\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"anti-lock braking system light\">anti-lock braking system light<\/a>, and electric power steering lights.<\/p>\n\n\n\n<p>The EPC could also put the vehicle in &ldquo;limp mode&rdquo; to protect the engine from further damage. When this mode is activated, less crucial systems like the air conditioning system will function less. It also reduces the engine&rsquo;s power.<\/p>\n\n\n\n<p>What an illuminated EPC warning light means and operates might vary depending on the vehicle. For example, the electronic stability control (ESP) system might shut down entirely on some <a href=\"https:\/\/www.carparts.com\/volkswagen\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Volkswagen\">Volkswagen<\/a> vehicles when the EPC program detects something is wrong with the EPC management system.<\/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<h2 class=\"wp-block-heading\">Is It Safe to Drive with the EPC Light On?<\/h2>\n\n\n\n<p>No, it&rsquo;s not. So while it&rsquo;s technically possible to drive your car while its EPC light is on, it isn&rsquo;t advisable.<\/p>\n\n\n\n<p>Various problems (both major and minor) can cause this light to illuminate. Some of the causes of an EPC light can be as bad as a <a href=\"https:\/\/www.carparts.com\/blog\/bad-throttle-body-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle body failure\">throttle body failure<\/a> and a <a href=\"https:\/\/www.carparts.com\/blog\/how-to-replace-an-abs-sensor-removal-and-installation\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"malfunctioning ABS sensor\">malfunctioning ABS sensor<\/a>.<\/p>\n\n\n\n<p>If you ignore this warning light, you&rsquo;d risk damaging your engine in the long run. So take your ride to an auto repair shop right away once you see that it&rsquo;s on. It&rsquo;s the easiest way to ensure the problem is properly identified and fixed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diagnosing Issues Related to the EPC Light<\/h2>\n\n\n\n<p>If you&rsquo;re a skilled DIYer, you might be able to diagnose this problem on your own. An OBD scanner can help you pinpoint the issue. It will register a <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"trouble code\">trouble code<\/a> that can assist you in determining which component is causing the problem.<\/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\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-1024x683.jpg\" alt=\"older mechanic performs obd diagnostic tests inside a car\" class=\"wp-image-80925\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-1536x1025.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/older-mechanic-performs-obd-diagnostic-tests-inside-a-car.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">An OBD scanner can help you pinpoint the issue. It will register a trouble code that can assist you in determining which component is causing the problem.<\/figcaption><\/figure>\n\n\n\n<p>But because numerous issues can cause the EPC light to illuminate, it might be difficult to diagnose the problem. For example, a <a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-coil-pack\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"coil pack\">coil pack<\/a> problem and a dirty <a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel injector\">fuel injector<\/a> have reportedly triggered the EPC light on a <a href=\"https:\/\/www.carparts.com\/vehicle\/2012\/Volkswagen\/Jetta\/GLI\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"2012 Volkswagen GLI\">2012 Volkswagen GLI<\/a>. If you&rsquo;re not sure about anything, talk to a trusted mechanic.<\/p>\n\n\n\n<p>Aside from the EPC light, it&rsquo;s crucial to familiarize yourself with other warning lights on your dash. Remember that these lights can speak volumes about your car&rsquo;s overall health.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Get New Throttle Bodies or ABS Sensors Online<\/h2>\n\n\n\n<p>It&rsquo;s normal for components like throttle bodies or ABS sensors to fail after a certain period. When they do, your vehicle&rsquo;s electronic power control (EPC) light will illuminate on your dashboard. Aside from this light, your vehicle might manifest other engine and brake-related symptoms, such as stalling or uneven brake pad wear. Luckily, you can easily get replacement parts here at CarParts.com.<\/p>\n\n\n\n<p>CarParts.com is a one-stop shop for aftermarket parts, including throttle bodies and ABS sensors. Use our vehicle selector and enter your vehicle&rsquo;s year, make, and model to see only parts that fit. Our parts are sourced from only the best manufacturers in the industry. We also have strategically located warehouses around the US, which means we can deliver your order in as fast as two business days.<\/p>\n\n\n\n<p>What are you waiting for? Shop for a replacement <a href=\"https:\/\/www.carparts.com\/throttle-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle body\">throttle body<\/a> or <a href=\"https:\/\/www.carparts.com\/abs-speed-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ABS sensor\">ABS sensor<\/a> at CarParts.com 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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Dashboard lights are called &ldquo;telltale lights&rdquo; because they give the driver an idea about what&rsquo;s wrong with the vehicle. If&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/epc-light-meaning-and-what-to-do-when-it-comes-on\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":80924,"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":[52,3751],"tags":[1185,1615],"ppma_author":[2607,2985],"class_list":{"0":"post-80922","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-warning-lights","9":"tag-fuel-injector-2","10":"tag-throttle-body","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EPC Light Meaning and What to Do When It Comes On - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Did your EPC light come on? Discover what it means and what to do once you see this warning light on your dash.\" \/>\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\/epc-light-meaning-and-what-to-do-when-it-comes-on\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EPC Light Meaning and What to Do When It Comes On - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Did your EPC light come on? Discover what it means and what to do once you see this warning light on your dash.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/epc-light-meaning-and-what-to-do-when-it-comes-on\/\" \/>\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=\"2023-02-09T02:24:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-19T13:24:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/02\/car-epc-light-flashing-close-up-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1372\" \/>\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\\\/epc-light-meaning-and-what-to-do-when-it-comes-on\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/epc-light-meaning-and-what-to-do-when-it-comes-on\\\/\"},\"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. 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