{"id":70839,"date":"2022-08-09T23:55:05","date_gmt":"2022-08-10T06:55:05","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=70839"},"modified":"2024-12-19T05:57:12","modified_gmt":"2024-12-19T13:57:12","slug":"b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault\/","title":{"rendered":"B0081 Code: First Row Center Seatbelt Load Limiter Deployment Control (Subfault)"},"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-column70839_3bc516-23 > .kt-inside-inner-col,.kadence-column70839_3bc516-23 > .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-column70839_3bc516-23 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column70839_3bc516-23 > .kt-inside-inner-col{flex-direction:column;}.kadence-column70839_3bc516-23 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column70839_3bc516-23 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column70839_3bc516-23{position:relative;}@media all and (max-width: 1024px){.kadence-column70839_3bc516-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column70839_3bc516-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column70839_3bc516-23 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-c17fd5  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-542e92\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading70839_661f41-d2, .wp-block-kadence-advancedheading.kt-adv-heading70839_661f41-d2[data-kb-block=\"kb-adv-heading70839_661f41-d2\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading70839_661f41-d2 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading70839_661f41-d2[data-kb-block=\"kb-adv-heading70839_661f41-d2\"] 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-heading70839_661f41-d2 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading70839_661f41-d2[data-kb-block=\"kb-adv-heading70839_661f41-d2\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading70839_661f41-d2 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading70839_661f41-d2\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DTC B0081 stands for &ldquo;First Row Center Seatbelt Load Limiter Deployment Control (Subfault).&rdquo;<\/li>\n\n\n\n<li>This code is logged when there is a problem with the passenger presence system.<\/li>\n\n\n\n<li>Code B0081 is often caused by wiring issues and a bad occupant weight sensor.<\/li>\n\n\n\n<li>The most common symptoms of code B0081 include SRS performance issues and lit warning lights.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Airbag passive restraints help cushion the driver and passenger in the event of a frontal collision. Also referred to as the supplemental restraint system (SRS), the airbag system is usually found in the <a href=\"https:\/\/www.carparts.com\/steering-wheel\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"steering wheel\">steering wheel<\/a>, dashboard, interior panels, or side pillars.<\/p>\n\n\n\n<p>The SRS has a sub-portion called the passenger presence system (PPS) or occupant detection system (ODC), which is a requirement under US Federal Motor Vehicle Safety Standard (FMVSS) 208. The PPS determines whether or not the airbags should be deployed based on the occupant&rsquo;s weight, communicating the necessary information to the sensing and diagnostic module (SDM). If a problem with the PPS occurs, a B0081 code will be logged by on-board diagnostics (OBD).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the B0081 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) B0081 stands for &ldquo;First Row Center Seatbelt Load Limiter Deployment Control (Subfault).&rdquo;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-1024x681.jpg\" alt=\"car airbags deployed\" class=\"wp-image-70845\" style=\"width:1024px;height:681px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-1536x1021.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-airbags-deployed-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Deployed airbags tend to increase the risk of injury for small passengers such as children.<\/figcaption><\/figure>\n\n\n\n<p>Deployed airbags tend to increase the risk of injury for small passengers such as children. Because of this, a load-sensing unit is needed to determine whether or not airbag deployment is an option for the front passenger in the event of a collision.<\/p>\n\n\n\n<p>If there is no weight on the passenger seat and the seatbelt isn&rsquo;t fastened, the PPS will send a signal to the SDM to disable the airbag and keep the passenger airbag light off. Typically, occupants weighing anywhere between 10 and 37 lbs won&rsquo;t activate the passenger airbag.<\/p>\n\n\n\n<p>On the other hand, occupants weighing between 38 and 99 lbs will usually activate the airbag with a decreased force, while those weighing 99 lbs and more will deploy the airbag at full force.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of <\/em><em>code B0081<\/em><em> might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B0081 and Passenger Seat Occupancy Sensor<\/h3>\n\n\n\n<p>The B0081 DTC is related to the passenger seat occupancy sensor but this code doesn&rsquo;t appear on all vehicles. You may have placed groceries in the passenger side front seat and noticed an indicator light on the dash that the passenger side airbag was disabled until you removed the groceries. Also, if you buckle the seatbelt on that side when there is nobody in the seat, you might notice the same indicator. Some systems only look at seat position and seat belt buckle latching rather than the weight of the occupant.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"661\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/airbag-on-the-1994-lexus-triggered-1024x661.jpg\" alt=\"airbag on the 1994 lexus triggered\" class=\"wp-image-86732\" style=\"width:1024px;height:661px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/airbag-on-the-1994-lexus-triggered-1024x661.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/airbag-on-the-1994-lexus-triggered-300x194.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/airbag-on-the-1994-lexus-triggered-768x496.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/airbag-on-the-1994-lexus-triggered-150x97.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/07\/airbag-on-the-1994-lexus-triggered.jpg 1306w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The airbag on the 1994 Lexus in the photo was deliberately triggered to demonstrate the violent deployment of the passenger airbag. Notice that the passenger airbag fills the entire passenger area, and on this vehicle, it even broke the windshield. | Image Source: Richard McCuistian.<\/figcaption><\/figure>\n\n\n\n<p>The reason for this seat occupant airbag deactivation feature is that if a child or a small adult (less than about 80 pounds, usually) is in that seat, or if a car seat is placed there, the passenger airbag, when deployed, can cause serious injury, so the seat occupant sensor signals the BCM or airbag module to deactivate the passenger airbag for safety reasons.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the B0081 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/electrical-wires\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring\">Wiring<\/a> issues<\/li>\n\n\n\n<li>Faulty control module<\/li>\n\n\n\n<li>Bad occupant weight sensor<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the B0081 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SRS performance issues<\/li>\n\n\n\n<li>Illuminated warning lights<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the B0081 Code<\/h2>\n\n\n\n<p>Although code B0081 is a generic powertrain code, steps for diagnosis and repair can vary from one vehicle to another. In some cases, this DTC can come with sub-codes, indicating the type of circuit defect identified by the control module (sub-codes can usually be found in General Motors vehicles).<\/p>\n\n\n\n<p>If you&rsquo;re not familiar with the process of identifying trouble codes, it might be best to consult a certified professional to help you out. Otherwise, you can go ahead and diagnose your vehicle on your own.<\/p>\n\n\n\n<p>Here is a video you might want to check out before proceeding.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"2008 GMC Acadia B0081 Passenger Presence Module Erratic code and airbag light on.\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/5-AQs8sSZgc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the B0081 Code<\/h2>\n\n\n\n<p>Without the right tools and know-how, attempting to fix a B0081 code can be confusing and can even lead to further complications if done incorrectly. To ensure that the right steps for repair are being followed, it&rsquo;s a good idea to have a certified mechanic do the job for you.<\/p>\n\n\n\n<p>With all that in mind, it&rsquo;s still possible to repair the B0081 code yourself, but only if you have wiring schematics that include connector and component location information and connector pinout. You&rsquo;ll need to access those from an online source first.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Double Check the Code<\/h3>\n\n\n\n<p>B0081 often pops up intermittently, especially if it&rsquo;s a history code and not a current one. To check if it&rsquo;s a false alarm, you&rsquo;ll have to clear the code first and see if it returns. The seat occupant sensor, like any other sensor, can malfunction with age.<\/p>\n\n\n\n<p>Check for any broken wires or loose connections as well.<\/p>\n\n\n\n<p>To check the code, follow these steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Step 1: <\/strong>Plug the OBD scanner into the OBD port under the steering column.<\/li>\n\n\n\n<li><strong>Step 2: <\/strong>Turn the vehicle on (don&rsquo;t start it) and press the read button on your scanner.<\/li>\n\n\n\n<li><strong>Step 3: <\/strong>Press the erase\/clear button on your scanner, then turn your vehicle off.<\/li>\n<\/ul>\n\n\n\n<p>If your first attempt to clear the code doesn&rsquo;t work, check for any technical service bulletins (TSBs) issued by the automaker for your vehicle. The repair or replacement of faulty parts is typically free if your specific year, make, and model has been recalled.<\/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<p>Lastly, check part #s on the SDM and PPS to ensure they&rsquo;re correct, as there are cases when one of the modules was replaced by an incorrect unit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Check the Circuit<\/h3>\n\n\n\n<p>Check the continuity of the circuit between the SDM and PPS module using a digital multimeter (DMM). The code usually appears when the two can&rsquo;t properly communicate. Additionally, you should also inspect the PPS module&rsquo;s circuit for proper power and ground.<\/p>\n\n\n\n<p>To properly use the DMM, follow these steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Step 1: <\/strong>Turn the DMM on and set it to Continuity Test Mode.<\/li>\n\n\n\n<li><strong>Step 2: <\/strong>Insert the black test lead into the COM jack.<\/li>\n\n\n\n<li><strong>Step 3: <\/strong>Insert the red test lead into the V&Omega; jack.&nbsp;<\/li>\n\n\n\n<li><strong>Step 4: <\/strong>Remove the leads opposite of the order you inserted them.<\/li>\n\n\n\n<li><strong>Step 5: <\/strong>Connect the test leads across the circuit of the SDM and PPS module. It&rsquo;s advisable to isolate the circuit from other electrical components.<\/li>\n\n\n\n<li><strong>Step 6: <\/strong>The DMM should make a sound if there&rsquo;s continuity between the SDM and PPS modules.<\/li>\n\n\n\n<li><strong>Step 7: <\/strong>Turn the DMM off.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Inspect the Modules<\/h3>\n\n\n\n<p>There are cases when the PPS module is the issue. In that scenario, it&rsquo;s best to ensure the software is updated. An outdated module requires you to program it instead of replacing the entire system.<\/p>\n\n\n\n<p>If the PPS module is updated, yet you still encounter issues, then the SDM is to blame. But unlike the PPS, you&rsquo;ll have to replace the SDM entirely.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get Electrical Wires for Your Vehicle<\/h2>\n\n\n\n<p>It&rsquo;s best to avoid driving until the B0081 code is cleared. In some cases, you may need to fix faulty wiring or replace a malfunctioning <a href=\"https:\/\/www.carparts.com\/occupant-detection-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"occupant detection sensor\">occupant detection sensor<\/a> to fix the issue. Luckily, <a href=\"https:\/\/www.carparts.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a> has an array of high-quality yet affordable replacement parts for your vehicle.<\/p>\n\n\n\n<p>While we&rsquo;re committed to helping you find the right parts for your vehicle, we also accept 60-day returns and offer a lifetime replacement guarantee to give you added peace of mind when shopping online.<\/p>\n\n\n\n<p>We know how hard our customers work for their money, so we source our products from only the top parts manufacturers in the industry. This means you can parts to last as long as your vehicle&rsquo;s lifespan, making the purchase cost-efficient.<\/p>\n\n\n\n<p>Shop and grab our best deals 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\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Airbag passive restraints help cushion the driver and passenger in the event of a frontal collision. Also referred to as&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":70841,"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":[1314],"tags":[878],"ppma_author":[2607,2855],"class_list":{"0":"post-70839","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-steering-wheel","9":"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>B0081 Code: First Row Center Seatbelt Load Limiter Deployment Control (Subfault) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn what a B0081 code means and the symptoms that your vehicle could exhibit when this code is detected.\" \/>\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\/b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B0081 Code: First Row Center Seatbelt Load Limiter Deployment Control (Subfault) - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn what a B0081 code means and the symptoms that your vehicle could exhibit when this code is detected.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault\/\" \/>\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=\"2022-08-10T06:55:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-19T13:57:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/07\/car-air-bag-deployed-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1365\" \/>\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=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/b0081-code-first-row-center-seatbelt-load-limiter-deployment-control-subfault\\\/\"},\"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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