{"id":71332,"date":"2022-09-05T22:53:45","date_gmt":"2022-09-06T05:53:45","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=71332"},"modified":"2023-08-10T21:58:56","modified_gmt":"2023-08-11T04:58:56","slug":"p0777-code-pressure-control-solenoid-b-stuck-on","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0777-code-pressure-control-solenoid-b-stuck-on\/","title":{"rendered":"P0777 Code: Pressure Control Solenoid \u201cB\u201d Stuck On"},"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_ee206c-72 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_ee206c-72 > .kt-inside-inner-col,.kadence-column_ee206c-72 > .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_ee206c-72 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_ee206c-72 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_ee206c-72 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_ee206c-72 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_ee206c-72{position:relative;}@media all and (max-width: 1024px){.kadence-column_ee206c-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_ee206c-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_ee206c-72 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-461c1a  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-884d3c\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_82908c-9e, .wp-block-kadence-advancedheading.kt-adv-heading_82908c-9e[data-kb-block=\"kb-adv-heading_82908c-9e\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_82908c-9e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_82908c-9e[data-kb-block=\"kb-adv-heading_82908c-9e\"] 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_82908c-9e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_82908c-9e[data-kb-block=\"kb-adv-heading_82908c-9e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_82908c-9e summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_82908c-9e\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P0777 code stands for &ldquo;Pressure Control Solenoid &ldquo;B&rdquo; Stuck On.&rdquo;<\/li><li>The code is logged once the pressure control solenoid &ldquo;B&rdquo; is stuck in the on position.<\/li><li>Aside from a faulty pressure control solenoid, dirty transmission fluid, a clogged transmission fluid filter, a faulty transmission pump, a malfunctioning transmission valve body, or faulty wiring, among others, may trigger this trouble code.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Think you have a problem with your vehicle&rsquo;s transmission? You can often begin the diagnostic process&nbsp;by using a scan tool. If the P0777 code has been stored, then this article will help you learn about its definition and common causes and symptoms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0777 Code Mean?<\/h2>\n\n\n\n<p>The P0777 code is defined as Pressure Control Solenoid &ldquo;B&rdquo; Stuck On. The powertrain control module (PCM) stores the P0777 code when the pressure control solenoid &ldquo;B&rdquo; is stuck in the on position.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/automatic-transmission-control-solenoid\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Pressure control solenoids\">Pressure control solenoids<\/a> are located inside the transmission and are responsible for controlling pressure within the transmission&rsquo;s hydraulic circuits. Transmission fluid allows the transmission to change gears because it creates hydraulic pressure that moves the gears to their appropriate positions. The issues that store a P0777 code could result in various transmission-related symptoms.<\/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\/2022\/08\/pressure-control-solenoids-1024x694.jpg\" alt=\"pressure control solenoids\" class=\"wp-image-71531\" width=\"1024\" height=\"694\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/pressure-control-solenoids-1024x694.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/pressure-control-solenoids-300x203.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/pressure-control-solenoids-768x520.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/pressure-control-solenoids-150x102.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/08\/pressure-control-solenoids.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Your car&rsquo;s PCM stores the P0777 code when the pressure control solenoid &ldquo;B&rdquo; is stuck in the on position.<\/figcaption><\/figure>\n\n\n\n<p><em><strong>Note: <\/strong>The definition of the P0777 code can 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<h2 class=\"wp-block-heading\">What are the Common Causes of the P0777 Code?<\/h2>\n\n\n\n<p>The issues that trigger a P0777 code can be caused by the following problems:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Faulty pressure control solenoid<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/how-to-check-automatic-transmission-fluid\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Dirty transmission fluid\">Dirty transmission fluid<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/bad-transmission-filter-symptoms-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Clogged transmission fluid filter\">Clogged transmission fluid filter<\/a><\/li><li>Faulty transmission pump<\/li><li>Faulty transmission <a href=\"https:\/\/www.carparts.com\/valve-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"valve body\">valve body<\/a><\/li><li>Blockages in transmission fluid passages<\/li><li>Faulty <a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"wiring\">wiring<\/a><\/li><li>Faulty PCM<\/li><\/ul>\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 are the Common Symptoms of the P0777 Code?<\/h2>\n\n\n\n<p>Most of the symptoms of the P0777 code are transmission-related. These include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Increased fuel consumption<\/li><li>Transmission not shifting properly<\/li><li>Transmission overheats<\/li><li>Vehicle enters <a href=\"https:\/\/www.carparts.com\/blog\/web-stories\/what-is-limp-mode\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"limp mode\">limp mode<\/a><\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li><\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">How to Diagnose the P0777 Code<\/h1>\n\n\n\n<p>While the definition of the P0777 code indicates a problem with the pressure control solenoids, this is not always guaranteed. You need to determine the main cause of this <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"diagnostic trouble code (DTC)\">diagnostic trouble code (DTC)<\/a> before you conduct any repairs. Otherwise, you might end up fixing a completely functional component.<\/p>\n\n\n\n<p>You&rsquo;ll need to thoroughly inspect the affected parts to find the problem. This job might require the use of specialized tools and knowledge. If you find this is daunting, don&rsquo;t hesitate to reach out to a professional mechanic.<\/p>\n\n\n\n<p>Do you want to learn how to diagnose a problem on your own? Watch the video below to get an idea of what the diagnostic process might involve:<\/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=\"Clutch Pressure Control Solenoid Valve Testing and Replacement P0746 P0747 P0776 P0777 P0962 P0963\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/saYghwsCssk?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 P0777 Code<\/h2>\n\n\n\n<p>If you&rsquo;re looking to fix the problems associated with the P0777 code, know that there isn&rsquo;t a set procedure that will guarantee a solution. There are many ways to fix OBD-II codes because they can have underlying issues. The procedure will depend on the diagnosis. That&rsquo;s why getting an accurate diagnosis is the first priority.<\/p>\n\n\n\n<p>You should only start fixing a problem signified by an OBD code after you&rsquo;ve identified the root cause. To learn about possible solutions, consult <a href=\"https:\/\/www.carparts.com\/blog\/best-online-resources-to-help-you-learn-how-to-fix-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"reputable internet repair resources and how-to guides\">reputable internet repair resources and how-to guides<\/a>. When you encounter diagnostic trouble codes, don&rsquo;t forget to <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 repair manual\">consult your vehicle&rsquo;s repair manual<\/a>.<\/p>\n\n\n\n<p>It&rsquo;s best to consult a professional mechanic if you don&rsquo;t have much experience diagnosing or correcting error codes.<\/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>Think you have a problem with your vehicle&rsquo;s transmission? You can often begin the diagnostic process&nbsp;by using a scan tool&#8230;. <a href=\"https:\/\/www.carparts.com\/blog\/p0777-code-pressure-control-solenoid-b-stuck-on\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":71529,"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":[1314],"tags":[3516],"ppma_author":[2607,2855],"class_list":{"0":"post-71332","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-automatic-transmission-control-solenoid","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>P0777 Code: Pressure Control Solenoid \u201cB\u201d Stuck On - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn the definition of the P0777 code, its possible causes, and the common symptoms associated with it. 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