{"id":78233,"date":"2025-08-21T12:59:26","date_gmt":"2025-08-21T17:59:26","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78233"},"modified":"2025-08-21T13:13:00","modified_gmt":"2025-08-21T18:13:00","slug":"p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent","title":{"rendered":"P0794 OBD2: Intermediate Shaft Speed Sensor &#8220;A&#8221; Circuit Intermittent"},"content":{"rendered":"<h2>What Does the P0794 Code Mean?<\/h2>\n<p>The P0794 code signifies that the Transmission Control Module (TCM) has detected an intermittent issue with the signal from the Intermediate Shaft Speed Sensor. This sensor is vital for reporting the rotation speed of the intermediate shaft in the transmission.<\/p>\n<h2>What Causes the P0794 Code?<\/h2>\n<p>Several factors can trigger the P0794 code:<\/p>\n<ul>\n<li>Intermediate shaft speed sensor failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Wiring issues affecting the sensor<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0794 Code?<\/h2>\n<p>When the P0794 code is present, you might experience the following symptoms:<\/p>\n<ul>\n<li>Transmission may not shift properly<\/li>\n<li>Increased fuel consumption<\/li>\n<li>Delayed or harsh shifts<\/li>\n<li>Check Engine Light illuminated<\/li>\n<\/ul>\n<h2>How Serious Is the P0794 Code?<\/h2>\n<p>The P0794 code is classified as urgent. Failing to address this issue can lead to severe transmission damage and unsafe driving conditions, making it essential to seek professional repair promptly.<\/p>\n<h2>How to Diagnose the P0794 Code<\/h2>\n<p>Diagnosing the P0794 code involves the following steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P0794 code and check for any related codes.<\/li>\n<li>Inspect the wiring and connectors of the Intermediate Shaft Speed Sensor for damage or corrosion.<\/li>\n<li>Test the Intermediate Shaft Speed Sensor\u2019s resistance and output signals using a multimeter.<\/li>\n<li>Check the functionality of the TCM and PCM for any faults.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0794 Code<\/h2>\n<p>Common repairs for the P0794 code include:<\/p>\n<ul>\n<li>Replacing the Intermediate Shaft Speed Sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the TCM<\/li>\n<li>Fixing faults in the PCM<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0794 Code?<\/h2>\n<p>The cost to repair the P0794 code can vary widely based on the specific issue. Average repair costs may range from $100 to $600, depending on whether you need a sensor replacement, wiring repairs, or module reprogramming.<\/p>\n<h2>Can I Fix the P0794 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to perform basic checks or replace the sensor, it is often recommended to consult with a professional mechanic. Proper diagnosis is critical to ensure that all underlying issues are addressed, saving time and money on unnecessary repairs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0794 Code Mean? The P0794 code signifies that the Transmission Control Module (TCM) has detected an intermittent issue with the signal from the Intermediate Shaft Speed Sensor. This sensor is vital for reporting the rotation speed of the intermediate shaft in the transmission. What Causes the P0794 Code? Several factors can trigger &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93177,"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-78233","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 P0794 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0794 code, what causes intermediate shaft speed sensor &quot;A&quot; circuit intermittent issues, and how to diagnose and fix common problems to maintain optimal vehicle 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\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0794 OBD2: Intermediate Shaft Speed Sensor &quot;A&quot; Circuit Intermittent\" \/>\n<meta property=\"og:description\" content=\"What Does the P0794 Code Mean? The P0794 code signifies that the Transmission Control Module (TCM) has detected an intermittent issue with the signal from\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent\" \/>\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=\"2025-08-21T17:59:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T18:13:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent.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\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0794 OBD2: Intermediate Shaft Speed Sensor &#8220;A&#8221; 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He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. 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\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0794-obd2-intermediate-shaft-speed-sensor-a-circuit-intermittent-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 P0794 Code Mean? The P0794 code signifies that the Transmission Control Module (TCM) has detected an intermittent issue with the signal from the Intermediate Shaft Speed Sensor. This sensor is vital for reporting the rotation speed of the intermediate shaft in the transmission. What Causes the P0794 Code? Several factors can trigger&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78233","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=78233"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78233\/revisions"}],"predecessor-version":[{"id":93210,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78233\/revisions\/93210"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93177"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}