{"id":78210,"date":"2025-08-21T13:18:54","date_gmt":"2025-08-21T18:18:54","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78210"},"modified":"2025-08-21T13:51:58","modified_gmt":"2025-08-21T18:51:58","slug":"p0777-obd2-pressure-control-solenoid-b-stuck-on","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0777-obd2-pressure-control-solenoid-b-stuck-on","title":{"rendered":"P0777 OBD2: Pressure Control Solenoid &#8220;B&#8221; Stuck On"},"content":{"rendered":"<h2>What Does the P0777 Code Mean?<\/h2>\n<p>OBD-II Code P0777 is defined as a Pressure Control Solenoid &#8220;B&#8221; Stuck On. This code indicates that the Transmission Control Module (TCM) has detected an issue with the pressure control solenoid, which is crucial for managing hydraulic pressure in the transmission system.<\/p>\n<h2>What Causes the P0777 Code?<\/h2>\n<p>The P0777 code can be triggered by various issues, including:<\/p>\n<ul>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Low transmission fluid level<\/li>\n<li>Failure of the transmission pressure control solenoid<\/li>\n<li>Wiring issues related to the solenoid or TCM<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0777 Code?<\/h2>\n<p>Drivers may notice several symptoms when the P0777 code is present, including:<\/p>\n<ul>\n<li>Increased fuel consumption<\/li>\n<li>Transmission may not shift properly<\/li>\n<\/ul>\n<h2>How Serious Is the P0777 Code?<\/h2>\n<p>The P0777 code is classified as urgent. If left unresolved, it can lead to severe damage to the transmission system and pose risks to the driver and passengers. Immediate attention and diagnosis are recommended.<\/p>\n<h2>How to Diagnose the P0777 Code<\/h2>\n<p>Diagnosing the P0777 code involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P0777 code and check for any related codes.<\/li>\n<li>Inspect the transmission fluid level and condition.<\/li>\n<li>Examine wiring and connectors for signs of damage or corrosion.<\/li>\n<li>Test the pressure control solenoid and the TCM functionality.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0777 Code<\/h2>\n<p>To resolve the P0777 code, mechanics might perform the following repairs:<\/p>\n<ul>\n<li>Replace the transmission pressure control solenoid<\/li>\n<li>Repair or replace damaged wiring or connectors<\/li>\n<li>Refill or replace transmission fluid if low or contaminated<\/li>\n<li>Replace or reprogram the Transmission Control Module (TCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0777 Code?<\/h2>\n<p>The cost to fix the P0777 code can vary widely based on the underlying issue. Simple repairs like replacing the transmission fluid may cost around $100 to $200, while more complex repairs involving TCM replacement can range from $500 to $1,200 or more, depending on the vehicle make and model.<\/p>\n<h2>Can I Fix the P0777 Code Myself?<\/h2>\n<p>While it is possible to address some issues related to the P0777 code yourself, such as checking the transmission fluid level, most repairs should be handled by a professional mechanic. Proper diagnosis and repair are crucial to avoid further damage to the transmission system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0777 Code Mean? OBD-II Code P0777 is defined as a Pressure Control Solenoid &#8220;B&#8221; Stuck On. This code indicates that the Transmission Control Module (TCM) has detected an issue with the pressure control solenoid, which is crucial for managing hydraulic pressure in the transmission system. What Causes the P0777 Code? The P0777 &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93244,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[11987],"tags":[],"class_list":["post-78210","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-p-obd2-codes-powertrain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P0777 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0777 code, what causes pressure control solenoid &quot;B&quot; to be stuck on, and how to diagnose and fix common issues to maintain optimal transmission performance.\" \/>\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.emanualonline.com\/blog\/p0777-obd2-pressure-control-solenoid-b-stuck-on\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0777 OBD2: Pressure Control Solenoid &quot;B&quot; Stuck On\" \/>\n<meta property=\"og:description\" content=\"What Does the P0777 Code Mean? OBD-II Code P0777 is defined as a Pressure Control Solenoid &quot;B&quot; Stuck On. This code indicates that the Transmission Control\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0777-obd2-pressure-control-solenoid-b-stuck-on\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-21T18:18:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T18:51:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JC Landry\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:site\" content=\"@eManualOnline\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"JC Landry\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0777-obd2-pressure-control-solenoid-b-stuck-on#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0777-obd2-pressure-control-solenoid-b-stuck-on\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0777 OBD2: Pressure Control Solenoid &#8220;B&#8221; 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He also loves cats, Johnny Cash and Subarus.","sameAs":["https:\/\/www.facebook.com\/jee514","https:\/\/www.instagram.com\/rat_in_chief\/","https:\/\/www.linkedin.com\/in\/jean-claude-landry-857781186\/"],"url":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0777-obd2-pressure-control-solenoid-b-stuck-on-1050x525.png",1050,525,true]},"uagb_author_info":{"display_name":"JC Landry","author_link":"https:\/\/www.emanualonline.com\/blog\/author\/jclandry"},"uagb_comment_info":0,"uagb_excerpt":"What Does the P0777 Code Mean? OBD-II Code P0777 is defined as a Pressure Control Solenoid &#8220;B&#8221; Stuck On. This code indicates that the Transmission Control Module (TCM) has detected an issue with the pressure control solenoid, which is crucial for managing hydraulic pressure in the transmission system. What Causes the P0777 Code? The P0777&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/comments?post=78210"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78210\/revisions"}],"predecessor-version":[{"id":93261,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78210\/revisions\/93261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93244"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}