{"id":87996,"date":"2023-07-26T22:31:47","date_gmt":"2023-07-27T05:31:47","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=87996"},"modified":"2023-11-04T00:47:11","modified_gmt":"2023-11-04T07:47:11","slug":"why-wont-my-key-fob-open-my-car-possible-reasons-why","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/why-wont-my-key-fob-open-my-car-possible-reasons-why\/","title":{"rendered":"Why Won\u2019t My Key Fob Open My Car? Possible Reasons Why"},"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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_dc3bd5-bb > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_dc3bd5-bb > .kt-inside-inner-col,.kadence-column_dc3bd5-bb > .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_dc3bd5-bb > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_dc3bd5-bb > .kt-inside-inner-col{flex-direction:column;}.kadence-column_dc3bd5-bb > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_dc3bd5-bb > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_dc3bd5-bb{position:relative;}@media all and (max-width: 1024px){.kadence-column_dc3bd5-bb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_dc3bd5-bb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_dc3bd5-bb qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-e6642f  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-0acc26\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_691067-58, .wp-block-kadence-advancedheading.kt-adv-heading_691067-58[data-kb-block=\"kb-adv-heading_691067-58\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_691067-58 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_691067-58[data-kb-block=\"kb-adv-heading_691067-58\"] 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_691067-58 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_691067-58[data-kb-block=\"kb-adv-heading_691067-58\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_691067-58 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_691067-58\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>If your vehicle won&rsquo;t lock or unlock with your key fob, it can be a great inconvenience.<\/li><li>Possible reasons your car won&rsquo;t unlock with your key fob include key fob battery problems, key fob damage, and faulty wiring or a blown fuse.<\/li><li>A damaged door lock actuator or latch can also cause issues connected to your key fob not opening your car.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>You might be wondering &ldquo;why is my vehicle&rsquo;s auto-lock not working?&rdquo; Having a car that won&rsquo;t lock or unlock is a perplexing and frustrating issue. Modern vehicles have advanced features like keyless entry, but they can still be susceptible to car doors that won&rsquo;t lock or unlock if the <a href=\"https:\/\/www.carparts.com\/key-fob\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"key fob\">key fob<\/a> or the locking system fail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Won&rsquo;t My Car Unlock With a Remote or Key?<\/h2>\n\n\n\n<p>Let&rsquo;s delve into the possible causes of this problem and see if there are ways to quickly resolve the issue.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Fob Battery Problems<\/h3>\n\n\n\n<p>If your key fob functions intermittently or has lost all functionality, then its battery could have died. Aside from preventing you from unlocking your vehicle, your car also won&rsquo;t lock with the key fob.<\/p>\n\n\n\n<p>An old battery can cause the fob to work intermittently or produce a signal that is too weak to cover long distances, while a <a href=\"https:\/\/www.carparts.com\/blog\/dead-key-fob-battery-symptoms-and-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"dead battery\">dead battery<\/a> can cause it to not work at all. Sometimes, the key fob leads might not be making proper contact with the battery, which will also cause the fob to not work.<\/p>\n\n\n\n<p>You can diagnose whether your key fob has this issue by replacing the <a href=\"https:\/\/www.carparts.com\/key-fob-battery\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery\">battery<\/a>. If it still refuses to function, then you might need a signal reader to determine if the key fob is still working.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Key Fob Is Damaged<\/h3>\n\n\n\n<p>If you&rsquo;ve ruled out a dead battery, then the key fob itself could be broken. If you take the fob to your car dealer, they can connect it to a computer and check whether it needs to be reprogrammed. Deprogramming can sometimes occur if the buttons are accidentally pressed in a specific sequence.<\/p>\n\n\n\n<p>Most key fobs are shockproof, but they can still break when dropped repeatedly. If dropped at waist level, most fobs will probably be able to withstand the impact. However, they might crack if you leave them in your pocket and sit on them for an extended period.<\/p>\n\n\n\n<p>Additionally, key fobs are also not waterproof. If they&rsquo;re dropped in water or get soaked, their internal components are most likely damaged.<\/p>\n\n\n\n<p>The key fob&rsquo;s buttons can also stop functioning because of damage or wear. Many key fobs have buttons made of rubber, which can become brittle and tear after years of use.<\/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<h3 class=\"wp-block-heading\">Faulty Wiring or Blown Fuse<\/h3>\n\n\n\n<p>There are times when the problem might lie with the <a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wiring\">wiring<\/a> of the locking system. For example, a faulty wire or a blown fuse can block power from reaching the door lock actuators or the key fob&rsquo;s receiver.<\/p>\n\n\n\n<p>When reassembling the panels on a door or dashboard, a mechanic or other professional might inadvertently disconnect a wire. This might have happened if you recently disassembled your vehicle to repair its door latches or when you inspected the onboard computer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Damaged Door Lock Actuator or Latch<\/h3>\n\n\n\n<p>The door lock actuator is a tiny motor that locks or unlocks the doors. If it fails, you won&rsquo;t be able to lock or unlock your doors with the key fob.<\/p>\n\n\n\n<p>A <a href=\"https:\/\/www.carparts.com\/blog\/bad-door-lock-actuator-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"damaged door lock actuator\">damaged door lock actuator<\/a> can be caused by water damage or everyday wear and tear. If water enters the electrical system, it can corrode and short out various components in your car&rsquo;s central locking system, including the door lock actuator.<\/p>\n\n\n\n<p>The door lock assembly can also jam. This can cause a car door lock to become caught in the locked position, preventing the key fob from unlocking the doors. When this occurs, pulling on the door hinge from the inside won&rsquo;t be possible either.&nbsp;<\/p>\n\n\n\n<p>This can happen because your vehicle&rsquo;s <a href=\"https:\/\/www.carparts.com\/blog\/faulty-door-latch-function-symptoms-and-replacement-cost\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"door latch can break\">door latch can break<\/a>. While the chances of this happening are slim, it can cause a car door lock to become caught in the locked position, preventing the door from opening. You might hear your door lock assembly move, but your door won&rsquo;t open.<\/p>\n\n\n\n<p>If your car won&rsquo;t unlock with the key fob, just remember that it isn&rsquo;t always the key fob&rsquo;s fault. A faulty door lock or door lock ajar switch can also prevent your key fob from locking or unlocking your vehicle. Sometimes it also can be your vehicle&rsquo;s wiring, door latches, or the key fob receiver. If you find yourself locked out of your vehicle, then you should reach out to your local locksmith.<\/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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>You might be wondering &ldquo;why is my vehicle&rsquo;s auto-lock not working?&rdquo; Having a car that won&rsquo;t lock or unlock is&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/why-wont-my-key-fob-open-my-car-possible-reasons-why\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":88054,"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":[52,3744],"tags":[3619],"ppma_author":[2607,3742],"class_list":{"0":"post-87996","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-ignition-system","9":"tag-key-fob","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Won\u2019t My Key Fob Open My Car? 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This can be caused by issues with your key fob or door lock assembly.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/why-wont-my-key-fob-open-my-car-possible-reasons-why\/\" \/>\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=\"2023-07-27T05:31:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-04T07:47:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/car-key-fob.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"994\" \/>\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\\\/why-wont-my-key-fob-open-my-car-possible-reasons-why\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-wont-my-key-fob-open-my-car-possible-reasons-why\\\/\"},\"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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