{"id":22390,"date":"2021-02-01T03:01:56","date_gmt":"2021-02-01T11:01:56","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=22390"},"modified":"2024-02-02T02:34:44","modified_gmt":"2024-02-02T10:34:44","slug":"brake-system-warning-light-what-does-it-mean","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/brake-system-warning-light-what-does-it-mean\/","title":{"rendered":"Brake System Warning Light: What Does It Mean?"},"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-column_27f149-0a > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_27f149-0a > .kt-inside-inner-col,.kadence-column_27f149-0a > .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-column_27f149-0a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_27f149-0a > .kt-inside-inner-col{flex-direction:column;}.kadence-column_27f149-0a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_27f149-0a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_27f149-0a{position:relative;}@media all and (max-width: 1024px){.kadence-column_27f149-0a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_27f149-0a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_27f149-0a qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-1200fc  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-f049c9\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_3ab6a8-8f, .wp-block-kadence-advancedheading.kt-adv-heading_3ab6a8-8f[data-kb-block=\"kb-adv-heading_3ab6a8-8f\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_3ab6a8-8f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_3ab6a8-8f[data-kb-block=\"kb-adv-heading_3ab6a8-8f\"] 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-heading_3ab6a8-8f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_3ab6a8-8f[data-kb-block=\"kb-adv-heading_3ab6a8-8f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_3ab6a8-8f summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_3ab6a8-8f\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>An illuminated brake system warning light could either mean the parking brake is engaged or the brake fluid levels are low.<\/li><li>When the computer detects a problem with the ABS, it illuminates its warning light and stores a trouble code in its memory.<\/li><li>An illuminated brake pad warning light indicates that you might need new brake pads.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Your car has many different warning messages that can pop up on the dashboard, one of which is the brake system warning light. There&rsquo;s also a separate anti-lock brake (ABS) warning light, as well as a brake pad warning light.<\/p>\n\n\n\n<p>All three warnings are important&mdash;and you&rsquo;ll want to know what each of them means.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the Brake System Warning Light Mean?<\/h2>\n\n\n\n<p>The brake system warning light can indicate one of two things:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The parking brake is engaged<\/li><li>The <a href=\"https:\/\/www.carparts.com\/blog\/low-brake-fluid-symptoms-plus-when-to-change-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"brake fluid level is low\">brake fluid level is low<\/a><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/02\/brake-warning-light-car-icon-1024x836.jpg\" alt=\"brake warning light car icon\" class=\"wp-image-22511\" width=\"1024\" height=\"836\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/02\/brake-warning-light-car-icon-1024x836.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/02\/brake-warning-light-car-icon-300x245.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/02\/brake-warning-light-car-icon-768x627.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/02\/brake-warning-light-car-icon-150x122.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/02\/brake-warning-light-car-icon.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The brake system warning light can indicate one of two things: the parking brake is engaged, or brake fluid level is low.<\/figcaption><\/figure>\n\n\n\n<p>In either scenario, the light is turned on by a switch somewhere in the brake system. When you engage the parking brake, the brake handle closes a switch that turns on the warning light. Similarly, when the brake fluid level gets low (or in some cases, the fluid pressure drops), a switch inside the hydraulic system closes, triggering the warning light.<\/p>\n\n\n\n<p>What should you do if the brake system warning light illuminates on your car&rsquo;s dashboard? First, make sure that the parking brake is disengaged.<\/p>\n\n\n\n<p>After confirming that the parking brake is off, you&rsquo;ll want to check the brake fluid level. Low brake fluid can indicate either worn brake pads or a leak in the hydraulic system. A brake fluid leak is a serious concern that can result in a reduction or complete loss of braking ability. You should not drive the vehicle until the problem is fixed.<\/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\">What Does the Anti-Lock Brake System (ABS) Warning Light Mean?<\/h2>\n\n\n\n<p>Since 2004, all vehicles sold in the United States have been required to have anti-lock brakes (ABS). The technology modulates fluid pressure to the brakes to prevent wheel lockup during a panic stop.<\/p>\n\n\n\n<p>A computer (often referred to as the ABS control module) monitors the ABS system. When the module detects a problem within the system, it turns on the ABS warning light and stores a diagnostic trouble code (DTC) in its memory.<\/p>\n\n\n\n<p>Many different problems&mdash;ranging from a faulty wheel speed sensor to a bad ABS pump&mdash;can trigger the ABS warning light. So, you (or your mechanic) will need to do some troubleshooting to determine the root cause of the concern.<\/p>\n\n\n\n<p>Most professionals use a scan tool or code reader to retrieve the DTCs that are stored in the ABS control module&rsquo;s memory. The DTCs then serve as a starting point for the rest of the troubleshooting process.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light-1024x683.jpg\" alt=\"abs warning light\" class=\"wp-image-22393\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/abs-warning-light.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>The ABS system modulates fluid pressure to the brakes to prevent wheel lockup during a panic stop.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the Brake Pad Warning Light Mean?<\/h2>\n\n\n\n<p>Certain late-model cars are equipped with brake pad sensors. When the pads become worn, the sensors trigger a warning on the dashboard. Sometimes, that warning is a light that looks like a circle with dashed lines around the perimeter. In other instances, it&rsquo;s a message in the instrument cluster that says &ldquo;brake pads worn&rdquo; or something similar.<\/p>\n\n\n\n<p>When this warning light turns on, it almost always means you need a new set of brake pads. If you have the know-how, you can install a set of replacement pads yourself. Otherwise, you can have a professional do the job for you.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light-1024x768.jpg\" alt=\"brake pad monitoring warning light\" class=\"wp-image-22394\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light-1024x768.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light-300x225.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light-768x576.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light-928x696.jpg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light-150x113.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/01\/brake-pad-monitoring-warning-light.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>When the brake pads become worn, the brake pad sensors trigger a warning on the dashboard.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Is It Safe to Drive With the Brake Warning Light On?<\/h2>\n\n\n\n<p>Because the brake system warning light can indicate a hydraulic system leak, it has the potential to be the most dangerous of the brake-related warnings. As was mentioned, a brake fluid leak can lead to a reduction or complete loss of braking ability.<\/p>\n\n\n\n<p>The ABS and brake pad warning lights should also be addressed right away. Both indicate there&rsquo;s something wrong with your brake system that could affect the overall safety of your vehicle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get Aftermarket Brake Parts for Your Vehicle<\/h2>\n\n\n\n<p>All the lights listed above illuminate due to issues with certain braking system components. It could be anything from the <a href=\"https:\/\/www.carparts.com\/abs-speed-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wheel speed sensor\">wheel speed sensor<\/a> to the <a href=\"https:\/\/www.carparts.com\/brake-discs-pads-and-calipers\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"brake pads\">brake pads<\/a>. One way to turn off the warning light and fix the problem is by replacing the faulty or worn-out part. Luckily, <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a> has an excellent array of auto parts for you to choose from.<\/p>\n\n\n\n<p>While the quantity of our products is impressive, that doesn&rsquo;t mean we sacrificed quality. We source our brake parts from trusted manufacturers to ensure they&rsquo;re built to last. Use our vehicle selector to start shopping, and funnel the catalog results according to your preferences using the search filters.<\/p>\n\n\n\n<p>We have strategically located warehouses across the US, so you won&rsquo;t have to wait long for your brake part. In the unlikely event you&rsquo;re unsatisfied with our product, we have a refund policy that lets you return your order within 60 days of purchase.<\/p>\n\n\n\n<p>Check out our catalog today, and take advantage of our best deals for brake parts.<\/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>Your car has many different warning messages that can pop up on the dashboard, one of which is the brake&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/brake-system-warning-light-what-does-it-mean\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":29,"featured_media":22391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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":[],"ppma_author":[2622],"class_list":{"0":"post-22390","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-warning-lights","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Brake System Warning Light: What Does It Mean? - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"The brake system warning light can indicate one of two things: the parking brake is engaged, or brake fluid level is low. Learn 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\/brake-system-warning-light-what-does-it-mean\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brake System Warning Light: What Does It Mean? - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"The brake system warning light can indicate one of two things: the parking brake is engaged, or brake fluid level is low. 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