{"id":97859,"date":"2023-12-15T18:43:29","date_gmt":"2023-12-16T02:43:29","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=97859"},"modified":"2025-05-23T10:20:06","modified_gmt":"2025-05-23T17:20:06","slug":"signs-you-need-a-body-control-module-reset","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/signs-you-need-a-body-control-module-reset\/","title":{"rendered":"Signs You Need a Body Control Module Reset"},"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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column97859_65c933-cb > .kt-inside-inner-col,.kadence-column97859_65c933-cb > .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-column97859_65c933-cb > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97859_65c933-cb > .kt-inside-inner-col{flex-direction:column;}.kadence-column97859_65c933-cb > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97859_65c933-cb > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_65c933-cb{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_65c933-cb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97859_65c933-cb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_65c933-cb inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-4683cc  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-4f6501\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading97859_0390e6-7e, .wp-block-kadence-advancedheading.kt-adv-heading97859_0390e6-7e[data-kb-block=\"kb-adv-heading97859_0390e6-7e\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading97859_0390e6-7e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading97859_0390e6-7e[data-kb-block=\"kb-adv-heading97859_0390e6-7e\"] 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-heading97859_0390e6-7e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading97859_0390e6-7e[data-kb-block=\"kb-adv-heading97859_0390e6-7e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading97859_0390e6-7e summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading97859_0390e6-7e\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vehicles are equipped with a body control module (BCM) that monitors and controls various electronic accessories in the vehicle&rsquo;s body.<\/li>\n\n\n\n<li>The BCM can also be the hub responsible for automatically activating certain electronics based on input from certain sensors.<\/li>\n\n\n\n<li>A faulty BCM can trigger various issues such as malfunctioning electronics, excess battery drain, and a no-start condition.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Vehicles are equipped with a <a href=\"https:\/\/www.carparts.com\/body-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"body control module\">body control module<\/a> (BCM) that monitors and controls various electronic accessories in the vehicle&rsquo;s body. The BCM is very similar to the powertrain control module (PCM), but instead of monitoring <a href=\"https:\/\/www.carparts.com\/blog\/car-engine-sensors\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"engine sensors\">engine sensors<\/a> and changing engine variables, the BCM controls electronics in the vehicle&rsquo;s body. These electronics include power windows, air conditioning (A\/C), locks, windshield wipers, and lights.&nbsp;<\/p>\n\n\n<style>.kadence-column97859_172750-1b > .kt-inside-inner-col,.kadence-column97859_172750-1b > .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-column97859_172750-1b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97859_172750-1b > .kt-inside-inner-col{flex-direction:column;}.kadence-column97859_172750-1b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97859_172750-1b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_172750-1b{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_172750-1b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97859_172750-1b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_172750-1b kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id97859_6f0708-94 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id97859_6f0708-94 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id97859_6f0708-94 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-right:32px;padding-bottom:20px;padding-left:16px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id97859_6f0708-94 > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id97859_6f0708-94 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id97859_6f0708-94 > .kt-row-column-wrap{padding-top:28px;padding-right:16px;padding-bottom:25px;padding-left:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id97859_6f0708-94 .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id97859_6f0708-94 alignnone pro-tip-wrap wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-right-golden kt-mobile-layout-right-golden kt-row-valign-top\">\n<style>.kadence-column97859_41f438-2f > .kt-inside-inner-col{display:flex;}.kadence-column97859_41f438-2f > .kt-inside-inner-col{min-height:45px;}.kadence-column97859_41f438-2f > .kt-inside-inner-col,.kadence-column97859_41f438-2f > .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-column97859_41f438-2f > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column97859_41f438-2f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column97859_41f438-2f > .kt-inside-inner-col > *, .kadence-column97859_41f438-2f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column97859_41f438-2f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column97859_41f438-2f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column97859_41f438-2f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_41f438-2f{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_41f438-2f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column97859_41f438-2f > .kt-inside-inner-col > *, .kadence-column97859_41f438-2f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column97859_41f438-2f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column97859_41f438-2f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column97859_41f438-2f > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column97859_41f438-2f > .kt-inside-inner-col > *, .kadence-column97859_41f438-2f > .kt-inside-inner-col > figure.wp-block-image, .kadence-column97859_41f438-2f > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column97859_41f438-2f > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_41f438-2f kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image97859_b426b2-d5.kb-image-is-ratio-size, .kb-image97859_b426b2-d5 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image97859_b426b2-d5.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image97859_b426b2-d5 .kb-image-is-ratio-size{align-self:unset;}.kb-image97859_b426b2-d5 figure{max-width:45px;}.kb-image97859_b426b2-d5 .image-is-svg, .kb-image97859_b426b2-d5 .image-is-svg img{width:100%;}.kb-image97859_b426b2-d5 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image97859_b426b2-d5\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column97859_2b991d-bd > .kt-inside-inner-col,.kadence-column97859_2b991d-bd > .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-column97859_2b991d-bd > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97859_2b991d-bd > .kt-inside-inner-col{flex-direction:column;}.kadence-column97859_2b991d-bd > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97859_2b991d-bd > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_2b991d-bd{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_2b991d-bd > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97859_2b991d-bd > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_2b991d-bd inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            Some vehicles have more than one BCM. For example, some Ford Windstars have a front control module and a rear control module.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Why Do Vehicles Have a Body Control Module?<\/h2>\n\n\n\n<p>The BCM allows many vehicle electronics to have a central hub. That said, why do vehicles have a central hub for electronics when the driver can control features like lights, air conditioning, and locks with switches on the dashboard?&nbsp;<\/p>\n\n\n\n<p>Being interconnected allows the computer to control certain electronics when necessary while allowing the driver to control certain electronics individually. On newer vehicles with perimeter anti-theft, the vehicle&rsquo;s security system may have sensors that can tell the computer when someone is interfering with the vehicle. The computer can then trigger the vehicle&rsquo;s horn and lights to signify an alarm. At the same time, the driver can still control the vehicle&rsquo;s horn and lights. Some vehicles have standalone perimeter anti-theft systems that aren&rsquo;t handled through the BCM.<\/p>\n\n\n\n<p>Like a computer, the BCM is complex and sophisticated. It&rsquo;s programmed to control the various electronic accessories in the car. The BCM also constantly monitors the input signals from the sensors to ensure that the various accessories are operating properly.<\/p>\n\n\n\n<p>The BCM can also be the hub responsible for automatically activating certain electronics based on input from certain sensors. For example, if the temperature in the cabin rises, a temperature sensor communicates the rise in temperature to the BCM, which then tells electronics like the A\/C compressor to ramp up the power.<\/p>\n\n\n\n    <div class=\"ai-summary-widget\">\n\n        <div class=\"ai-summary-grid\">\n\n            <div>\n                <div class=\"ai-avatar\">\n                    <figure>\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/ai-summary\/ai-bot\" alt=\"AI robot\">\n                    <\/figure>\n                    <span>ELI5<\/span>\n                <\/div>\n            <\/div>\n            <div>\n                <p>The body control module (BCM) is like a small brain in your car. It helps control things like lights, door locks, and windows. When you press a button, the BCM tells the car what to do. If it breaks, those things might stop working. It helps your car do little jobs to keep you safe and comfortable.<\/p>    \n            <\/div>\n\n        <\/div>\n\n        <div class=\"ai-summary-tooltip\">   \n            <p>Not everyone is an auto repair expert. <strong>ELI5 (&ldquo;Explain Like I&rsquo;m Five&rdquo;)<\/strong> provides layperson-friendly explanations of complex automotive concepts, systems, &amp; parts, so you can fully understand their importance. Great for casual car owners and DIY beginners! Powered by AI.<\/p>\n        <\/div>\n\n    <\/div>\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\">Possible Symptoms of a Faulty Body Control Module&nbsp;<\/h2>\n\n\n\n<p>The BCM can fail and develop various issues like the following:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Electronics Refuse to Work or Don&rsquo;t Work Right<\/h3>\n\n\n\n<p>These include turn signals, windshield wipers, headlights, cabin lights, and power windows. As previously mentioned, the BCM is the hub for many features. If it fails, then it&rsquo;ll likely prevent these features from functioning properly. Sometimes a BCM will keep certain lamps or some other loads illuminated all the time rather than switching them off.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lights Flashing Randomly&nbsp;<\/h3>\n\n\n\n<p>If your tail lights, turn signal lights, <a href=\"https:\/\/www.carparts.com\/headlight\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"headlights\">headlights<\/a>, or cabin lights turn on and off randomly, then a faulty BCM could be to blame.&nbsp;But don&rsquo;t blame it first, without checking to make sure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vehicle Refuses to Lock or Unlock&nbsp;<\/h3>\n\n\n\n<p>The BCM is the central hub for the vehicle&rsquo;s door locks and on some vehicles, the BCM handles immobilizer system functions. Immobilizer system issues aren&rsquo;t typically BCM-related, but door lock and unlock issues may be. If a BCM does have issues, your vehicle might not lock or unlock properly. This issue can also interfere with vehicles equipped with keyless entry systems.<\/p>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/u0140-code-lost-communication-with-body-control-module\/\" target=\"_self\" rel=\"dofollow\" class=\"u4f8ef5f3d55382de35cc03bfa1e2d6fb\"><style> .u4f8ef5f3d55382de35cc03bfa1e2d6fb { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .u4f8ef5f3d55382de35cc03bfa1e2d6fb:active, .u4f8ef5f3d55382de35cc03bfa1e2d6fb:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .u4f8ef5f3d55382de35cc03bfa1e2d6fb { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .u4f8ef5f3d55382de35cc03bfa1e2d6fb .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .u4f8ef5f3d55382de35cc03bfa1e2d6fb .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .u4f8ef5f3d55382de35cc03bfa1e2d6fb:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">U0140 Code: Lost Communication With Body Control Module<\/span><\/div><\/a><\/div><\/div>\n\n\n<style>.kadence-column97859_023803-14 > .kt-inside-inner-col,.kadence-column97859_023803-14 > .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-column97859_023803-14 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97859_023803-14 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97859_023803-14 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97859_023803-14 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_023803-14{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_023803-14 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97859_023803-14 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_023803-14 kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id97859_0c0db0-5d > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id97859_0c0db0-5d > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id97859_0c0db0-5d > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-right:32px;padding-bottom:20px;padding-left:16px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id97859_0c0db0-5d > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id97859_0c0db0-5d .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id97859_0c0db0-5d .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id97859_0c0db0-5d .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id97859_0c0db0-5d .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id97859_0c0db0-5d .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id97859_0c0db0-5d .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id97859_0c0db0-5d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) 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.kt-inside-inner-col{min-height:45px;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col,.kadence-column97859_0d3dc4-2c > .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-column97859_0d3dc4-2c > .kt-inside-inner-col{row-gap:0px;column-gap:0px;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > *, .kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_0d3dc4-2c{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > *, .kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > *, .kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column97859_0d3dc4-2c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_0d3dc4-2c kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image97859_ff8ad6-eb.kb-image-is-ratio-size, .kb-image97859_ff8ad6-eb .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image97859_ff8ad6-eb.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image97859_ff8ad6-eb .kb-image-is-ratio-size{align-self:unset;}.kb-image97859_ff8ad6-eb figure{max-width:45px;}.kb-image97859_ff8ad6-eb .image-is-svg, .kb-image97859_ff8ad6-eb .image-is-svg img{width:100%;}.kb-image97859_ff8ad6-eb .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image97859_ff8ad6-eb\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column97859_ca6a9e-a3 > .kt-inside-inner-col,.kadence-column97859_ca6a9e-a3 > .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-column97859_ca6a9e-a3 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97859_ca6a9e-a3 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97859_ca6a9e-a3 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97859_ca6a9e-a3 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97859_ca6a9e-a3{position:relative;}@media all and (max-width: 1024px){.kadence-column97859_ca6a9e-a3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97859_ca6a9e-a3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97859_ca6a9e-a3 inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\n            Some Dodge vehicles may exhibit door locks that fail to operate or instruments that fail to operate correctly, and a BCM reset is the only fix. It can be done with a high-end scan tool on these vehicles by selecting &ldquo;battery disconnect&rdquo; from the menu or you can try doing it manually.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>Removing both battery terminals from the battery and touching the cables together has been known to reset the BCM and fix strange electrical issues on Dodge\/Chrysler platforms. However, do not connect the battery posts to each other<strong><em>. <\/em><\/strong>Just remove both cables from the battery and touch the ends of the cables together to bleed off the voltage stored in the BCM capacitors, which resets the BCM&rsquo;s memory and erases trash data. The original programming is non-volatile and will always remain.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Removing both battery terminals from the battery and touching the cables together has been known to reset the BCM and fix strange electrical issues on Dodge\/Chrysler platforms. However, do not connect the battery posts to each other. Just remove both cables from the battery and touch the ends of the cables together to bleed off the voltage stored in the BCM capacitors, which resets the BCM&rsquo;s memory and erases trash data. The original programming is non-volatile and will always remain.<\/p>\n<cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Warning Lights on the Dashboard&nbsp;<\/h3>\n\n\n\n<p>The BCM is also a hub for many vehicle sensors. So, a faulty BCM can light up a vehicle&rsquo;s gauge cluster with warnings indicating an array of problems. However, these warnings might not necessarily mean that there&rsquo;s something wrong with the system that the light corresponds to.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Vehicle Refuses to Start&nbsp;<\/h3>\n\n\n\n<p>In rare cases, the BCM can fail to identify the transponder chip in a vehicle&rsquo;s key or <a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-start-what-should-i-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fail to deliver the start signal\">fail to deliver the start signal<\/a> from the ignition switch.&nbsp;Note again, however, that this isn&rsquo;t typically BCM-related, but it can be.<\/p>\n\n\n\n<p>When BCM-related symptoms appear, you might think the body control module needs a reset. Sometimes, the BCM can glitch and cause problems. In this case, the module itself hasn&rsquo;t sustained any physical damage and just needs to be reset.<\/p>\n\n\n\n<p>Want to learn how to do a body control module reset? Automakers like Ford, Dodge, and Chevy have procedures regarding BCM resets. This typically involves disconnecting the vehicle&rsquo;s battery or removing a specific fuse. That said, don&rsquo;t take our word for it. You should <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"consult your vehicle&rsquo;s owner&rsquo;s manual\">consult your vehicle&rsquo;s owner&rsquo;s manual<\/a>, as it&rsquo;ll tell you how to do the procedure for your exact vehicle model.&nbsp;<\/p>\n\n\n\n<p>However, some sources say that a faulty BCM typically warrants a replacement. Nevertheless, you generally shouldn&rsquo;t drive with a faulty BCM because of the unpredictable nature of lights and electronics. You might find yourself needing your windshield, headlights, or other electronics, but the failed BCM prevents you from operating them.<\/p>\n\n\n\n<p>On some vehicles, the BCM is also connected to safety features like the air bag system. A faulty BCM can be a safety issue since on some platforms, it can prevent your vehicle&rsquo;s air bags from activating.&nbsp;<\/p>\n\n\n\n<p>Finally, you might be wondering, what&rsquo;s the body control module&rsquo;s location? The BCM is typically located underneath the dashboard. This seems to be standard on most vehicles, as this location is near the cabin switches.<\/p>\n\n\n\n<p>Replacing a BCM can be costly and usually requires programming by a dealer. It might be good to double-check or get a second opinion before conducting repairs.&nbsp;<\/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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Vehicles are equipped with a body control module (BCM) that monitors and controls various electronic accessories in the vehicle&rsquo;s body&#8230;. <a href=\"https:\/\/www.carparts.com\/blog\/signs-you-need-a-body-control-module-reset\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":98270,"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":[52,3747],"tags":[1882],"ppma_author":[2607,2985],"class_list":{"0":"post-97859","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-engine","9":"tag-body-control-module","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Signs You Need a Body Control Module Reset - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"The body control module monitors and controls various electronic accessories in the vehicle\u2019s body. Here are the symptoms of a faulty BCM.\" \/>\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\/signs-you-need-a-body-control-module-reset\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Signs You Need a Body Control Module Reset - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"The body control module monitors and controls various electronic accessories in the vehicle\u2019s body. Here are the symptoms of a faulty BCM.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/signs-you-need-a-body-control-module-reset\/\" \/>\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:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-16T02:43:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-23T17:20:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/12\/body-control-module.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/signs-you-need-a-body-control-module-reset\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/signs-you-need-a-body-control-module-reset\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"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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