{"id":77205,"date":"2025-09-13T16:02:57","date_gmt":"2025-09-13T21:02:57","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77205"},"modified":"2025-09-13T16:08:52","modified_gmt":"2025-09-13T21:08:52","slug":"p0077-obd2-intake-valve-control-solenoid-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0077-obd2-intake-valve-control-solenoid-circuit-high","title":{"rendered":"P0077 OBD2: Intake Valve Control Solenoid Circuit High"},"content":{"rendered":"<p>OBD-II Code P0077 is defined as an Intake Valve Control Solenoid Circuit High. This code indicates a malfunction in the intake valve control solenoid circuit, which is critical for managing engine performance and efficiency.<\/p>\n<h2>What Does the P0077 Code Mean?<\/h2>\n<p>The P0077 code points to an issue with the Intake Valve Control Solenoid. This component uses oil pressure and an electrical solenoid to regulate the position of the exhaust valve. In vehicles equipped with variable valve timing (VVT), the Engine Control Module (PCM) adjusts the exhaust valve&#8217;s timing to optimize fuel consumption while meeting the driver&#8217;s performance demands.<\/p>\n<h2>What Causes the P0077 Code?<\/h2>\n<p>Several factors can trigger the P0077 code, including:<\/p>\n<ul>\n<li>Low engine oil level<\/li>\n<li>Failure of the exhaust valve control solenoid<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Engine oil not meeting the manufacturer&#8217;s specifications<\/li>\n<li>Wiring issues in the solenoid circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0077 Code?<\/h2>\n<p>Drivers may notice various symptoms when the P0077 code is present, such as:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Engine may not start<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P0077 Code?<\/h2>\n<p>The P0077 code is considered urgent, as it indicates a significant malfunction that could lead to severe engine damage or compromise the safety of the vehicle and its passengers. Immediate attention is recommended to avoid further complications.<\/p>\n<h2>How to Diagnose the P0077 Code<\/h2>\n<p>To accurately diagnose the P0077 code, a mechanic should:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the presence of the P0077 code.<\/li>\n<li>Inspect the engine oil level and quality.<\/li>\n<li>Check the exhaust valve control solenoid for proper operation.<\/li>\n<li>Examine the wiring and connectors for any damage or corrosion.<\/li>\n<li>Test the Powertrain Control Module (PCM) for faults.<\/li>\n<\/ul>\n<h2>Common Repairs for the P0077 Code<\/h2>\n<p>Common repairs that may be necessary to resolve the P0077 code include:<\/p>\n<ul>\n<li>Changing the engine oil and filter if they do not meet specifications.<\/li>\n<li>Replacing the exhaust valve control solenoid.<\/li>\n<li>Repairing or replacing damaged wiring or connectors.<\/li>\n<li>Replacing a faulty Powertrain Control Module (PCM).<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0077 Code?<\/h2>\n<p>The cost to fix the P0077 code can vary widely based on the underlying issue. On average, repairs might range from $100 to $1,500. Simple fixes like an oil change will be on the lower end, while replacing the PCM or solenoid may be more expensive.<\/p>\n<h2>Can I Fix the P0077 Code Myself?<\/h2>\n<p>If you have automotive knowledge and experience, you may attempt to troubleshoot and fix some issues related to the P0077 code. However, keep in mind that diagnosing the root cause can be complex. If you&#8217;re unsure or lack the tools, it&#8217;s advisable to seek professional assistance to ensure proper repairs are made.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OBD-II Code P0077 is defined as an Intake Valve Control Solenoid Circuit High. This code indicates a malfunction in the intake valve control solenoid circuit, which is critical for managing engine performance and efficiency. What Does the P0077 Code Mean? The P0077 code points to an issue with the Intake Valve Control Solenoid. This component &hellip;<\/p>\n","protected":false},"author":26,"featured_media":96040,"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-77205","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 P0077 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0077 code, what causes intake valve control solenoid circuit high, and how to diagnose and fix common issues to maintain optimal engine 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\/p0077-obd2-intake-valve-control-solenoid-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0077 OBD2: Intake Valve Control Solenoid Circuit High\" \/>\n<meta property=\"og:description\" content=\"OBD-II Code P0077 is defined as an Intake Valve Control Solenoid Circuit High. This code indicates a malfunction in the intake valve control solenoid\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0077-obd2-intake-valve-control-solenoid-circuit-high\" \/>\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=\"2025-09-13T21:02:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-13T21:08:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high.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 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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\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0077-obd2-intake-valve-control-solenoid-circuit-high-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":"OBD-II Code P0077 is defined as an Intake Valve Control Solenoid Circuit High. This code indicates a malfunction in the intake valve control solenoid circuit, which is critical for managing engine performance and efficiency. What Does the P0077 Code Mean? The P0077 code points to an issue with the Intake Valve Control Solenoid. 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