{"id":171575,"date":"2025-05-27T19:17:15","date_gmt":"2025-05-28T02:17:15","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=171575"},"modified":"2025-08-22T17:02:05","modified_gmt":"2025-08-23T00:02:05","slug":"where-is-the-computer-box-located-in-a-car","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/where-is-the-computer-box-located-in-a-car\/","title":{"rendered":"Where Is the Computer Box Located In a Car?"},"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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column171575_d43310-a2 > .kt-inside-inner-col,.kadence-column171575_d43310-a2 > .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-column171575_d43310-a2 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column171575_d43310-a2 > .kt-inside-inner-col{flex-direction:column;}.kadence-column171575_d43310-a2 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column171575_d43310-a2 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column171575_d43310-a2{position:relative;}@media all and (max-width: 1024px){.kadence-column171575_d43310-a2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column171575_d43310-a2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column171575_d43310-a2 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-cd9927  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-8dc48e\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading171575_ea32d5-de, .wp-block-kadence-advancedheading.kt-adv-heading171575_ea32d5-de[data-kb-block=\"kb-adv-heading171575_ea32d5-de\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading171575_ea32d5-de mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading171575_ea32d5-de[data-kb-block=\"kb-adv-heading171575_ea32d5-de\"] 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-heading171575_ea32d5-de img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading171575_ea32d5-de[data-kb-block=\"kb-adv-heading171575_ea32d5-de\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading171575_ea32d5-de summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading171575_ea32d5-de\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>In modern vehicles, the main engine control computer (ECU) is typically located in the engine compartment.<\/strong><\/li>\n\n\n\n<li>In vehicles from the 1980s and 1990s, some ECUs were placed inside the passenger compartment, with wiring connected through the bulkhead.<\/li>\n\n\n\n<li>In earlier models from the 1970s to the early 1980s, engine control computers were often found under the driver or passenger seat or mounted above the accelerator pedal.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"708\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/08\/computer-box-location-in-2016-F150-1024x708.jpg\" alt=\"computer box location in 2016 F150\" class=\"wp-image-181447\"><figcaption class=\"wp-element-caption\">The computer box in a 2016 Ford F-150 | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<p>First, we need to clarify what we mean by &ldquo;computer box.&rdquo; Let&rsquo;s back up a few years to an older vehicle just for fun.<\/p>\n\n\n\n<p>A typical 2010 vehicle contains 30 to 50 individual computers, also known as electronic control units (ECUs). Each one of those can be called a &ldquo;computer box.&rdquo; These computers manage various functions, including engine performance, transmission, braking systems, airbags, climate control, and infotainment. High-end models may have up to 100 ECUs, especially those with advanced driver-assistance systems.<\/p>\n\n\n\n<p>Modern vehicle engine control computers are practically always located in the engine compartment. Older engine control computers in the 1980s and early 1990s might be located inside the vehicle&rsquo;s passenger compartment and out of the weather, but with the wires connected to the computer where its connector extends through the bulkhead.<\/p>\n\n\n\n<p>Still farther back into the 1970s and early 80s some engine control computers were located under the driver or passenger seat or mounted above the accelerator pedal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tips On How to Access the Computer Box<\/h2>\n\n\n\n<p>Find it first, then make sure you know how to disconnect it. If you don&rsquo;t know how and haven&rsquo;t done it before, don&rsquo;t go there. You can cost yourself a lot of money tinkering with it. You might look for a YouTube video on removing the PCM\/ECM on your vehicle just to get some info.<\/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\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>First, we need to clarify what we mean by &ldquo;computer box.&rdquo; Let&rsquo;s back up a few years to an older&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/where-is-the-computer-box-located-in-a-car\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":171576,"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":[1034,52,3758],"tags":[1323],"ppma_author":[2607,2985],"class_list":{"0":"post-171575","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-auto-repair","8":"category-diy","9":"category-electrical-system","10":"tag-engine-control-module-2","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Where Is the Computer Box Located In a Car? - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Most computer boxes can be found in one of three locations. 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