{"id":78236,"date":"2025-08-21T12:59:15","date_gmt":"2025-08-21T17:59:15","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78236"},"modified":"2025-08-21T13:13:57","modified_gmt":"2025-08-21T18:13:57","slug":"p0797-obd2-pressure-control-solenoid-c-stuck-on","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0797-obd2-pressure-control-solenoid-c-stuck-on","title":{"rendered":"P0797 OBD2: Pressure Control Solenoid &#8220;C&#8221; Stuck On"},"content":{"rendered":"<h2>What Does the P0797 Code Mean?<\/h2>\n<p>The OBD-II code P0797 indicates that the Transmission Control Module (TCM) has detected that the pressure control solenoid &#8220;C&#8221; is stuck in the &#8216;on&#8217; position. This solenoid is crucial for regulating the hydraulic pressure needed for the transmission&#8217;s operation, affecting how the vehicle shifts gears.<\/p>\n<h2>What Causes the P0797 Code?<\/h2>\n<p>Several factors can lead to the P0797 code being triggered, including:<\/p>\n<ul>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Low transmission fluid levels<\/li>\n<li>Failure of the transmission pressure control solenoid<\/li>\n<li>Issues with the transmission valve body<\/li>\n<li>Wiring problems related to the solenoid<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0797 Code?<\/h2>\n<p>Drivers may experience various symptoms when the P0797 code is present, such as:<\/p>\n<ul>\n<li>Increased fuel consumption<\/li>\n<li>Transmission may not shift properly<\/li>\n<li>Unusual noises during shifting<\/li>\n<li>Delayed or harsh shifting<\/li>\n<\/ul>\n<h2>How Serious Is the P0797 Code?<\/h2>\n<p>The P0797 code is considered urgent. It signifies a significant malfunction that can lead to severe transmission damage or even compromise the safety of the vehicle. Immediate attention is recommended to prevent further issues.<\/p>\n<h2>How to Diagnose the P0797 Code<\/h2>\n<p>A thorough diagnostic process should be followed to accurately identify the cause of the P0797 code. Steps include:<\/p>\n<ol>\n<li>Using an OBD-II scanner to confirm the code and check for additional codes.<\/li>\n<li>Inspecting the transmission fluid level and condition.<\/li>\n<li>Testing the pressure control solenoid and ensuring it operates correctly.<\/li>\n<li>Checking the wiring and connectors for any signs of damage.<\/li>\n<li>Evaluating the TCM functionality.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0797 Code<\/h2>\n<p>Repairs for the P0797 code might include:<\/p>\n<ul>\n<li>Replacing the pressure control solenoid<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Refilling or changing transmission fluid<\/li>\n<li>Replacing the Transmission Control Module (TCM)<\/li>\n<li>Repairing or replacing the valve body if necessary<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0797 Code?<\/h2>\n<p>The cost of repairs associated with the P0797 code can vary widely depending on the specific issue. On average, repairs may range from $100 to $1,500, depending on whether it involves simple wiring fixes or complete solenoid or TCM replacement.<\/p>\n<h2>Can I Fix the P0797 Code Myself?<\/h2>\n<p>While some diagnostic steps can be performed by a knowledgeable DIYer, fixing the P0797 code often requires specialized tools and knowledge, particularly for transmission-related repairs. If you are not comfortable working on your vehicle&#8217;s transmission, it&#8217;s best to seek professional assistance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0797 Code Mean? The OBD-II code P0797 indicates that the Transmission Control Module (TCM) has detected that the pressure control solenoid &#8220;C&#8221; is stuck in the &#8216;on&#8217; position. This solenoid is crucial for regulating the hydraulic pressure needed for the transmission&#8217;s operation, affecting how the vehicle shifts gears. What Causes the P0797 &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93171,"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-78236","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 v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OBD2 Code P0797 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0797 code, what causes pressure control solenoid &quot;C&quot; 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\/p0797-obd2-pressure-control-solenoid-c-stuck-on\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0797 OBD2: Pressure Control Solenoid &quot;C&quot; Stuck On\" \/>\n<meta property=\"og:description\" content=\"What Does the P0797 Code Mean? The OBD-II code P0797 indicates that the Transmission Control Module (TCM) has detected that the pressure control solenoid\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0797-obd2-pressure-control-solenoid-c-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=\"2025-08-21T17:59:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T18:13:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-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\/p0797-obd2-pressure-control-solenoid-c-stuck-on#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0797-obd2-pressure-control-solenoid-c-stuck-on\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0797 OBD2: Pressure Control Solenoid &#8220;C&#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\/p0797-obd2-pressure-control-solenoid-c-stuck-on.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-stuck-on-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0797-obd2-pressure-control-solenoid-c-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 P0797 Code Mean? The OBD-II code P0797 indicates that the Transmission Control Module (TCM) has detected that the pressure control solenoid &#8220;C&#8221; is stuck in the &#8216;on&#8217; position. This solenoid is crucial for regulating the hydraulic pressure needed for the transmission&#8217;s operation, affecting how the vehicle shifts gears. What Causes the P0797&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78236","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=78236"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78236\/revisions"}],"predecessor-version":[{"id":93213,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78236\/revisions\/93213"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93171"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}