{"id":78380,"date":"2025-08-15T14:31:21","date_gmt":"2025-08-15T19:31:21","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78380"},"modified":"2025-08-15T14:43:37","modified_gmt":"2025-08-15T19:43:37","slug":"p0872-obd2-transmission-fluid-pressure-sensor-switch-c-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0872-obd2-transmission-fluid-pressure-sensor-switch-c-circuit-low","title":{"rendered":"P0872 OBD2: Transmission Fluid Pressure Sensor\/Switch &#8220;C&#8221; Circuit Low"},"content":{"rendered":"<p>The P0872 code is a diagnostic trouble code (DTC) that indicates an issue with the Transmission Fluid Pressure Sensor\/Switch &#8220;C&#8221; Circuit. This code is triggered when the transmission control module (TCM) detects a low signal from the fluid pressure sensor.<\/p>\n<h2>What Does the P0872 Code Mean?<\/h2>\n<p>The P0872 code means that the TCM has detected a problem with the signal from the Transmission Fluid Pressure Sensor. This sensor measures the pressure of the transmission fluid and relays this information to the TCM, which then adjusts the transmission&#8217;s operation accordingly.<\/p>\n<h2>What Causes the P0872 Code?<\/h2>\n<ul>\n<li>Transmission fluid pressure sensor failure<\/li>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Wiring issues such as damaged connectors or short circuits<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0872 Code?<\/h2>\n<ul>\n<li>Transmission may not shift properly<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P0872 Code?<\/h2>\n<p>The P0872 code is classified as urgent. If not addressed, it can lead to significant transmission damage, reduced vehicle performance, and potential safety hazards while driving.<\/p>\n<h2>How to Diagnose the P0872 Code<\/h2>\n<ol>\n<li>Use an OBD-II scanner to confirm the P0872 code along with any other related codes.<\/li>\n<li>Inspect the wiring and connectors associated with the transmission fluid pressure sensor.<\/li>\n<li>Test the resistance and voltage output of the transmission fluid pressure sensor to ensure it\u2019s functioning correctly.<\/li>\n<li>Check the TCM for any faults or failures.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0872 Code<\/h2>\n<ul>\n<li>Replacing the transmission fluid pressure sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the Transmission Control Module (if necessary)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0872 Code?<\/h2>\n<p>The cost of repairs can vary widely depending on the specific issue. Replacing a transmission fluid pressure sensor typically ranges from $100 to $300, while more extensive repairs involving the TCM could cost upwards of $1,000.<\/p>\n<h2>Can I Fix the P0872 Code Myself?<\/h2>\n<p>While some skilled DIY mechanics may be able to address wiring issues or replace the transmission fluid pressure sensor, it is recommended to consult a professional mechanic for proper diagnosis and repair, especially given the potential severity of the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0872 code is a diagnostic trouble code (DTC) that indicates an issue with the Transmission Fluid Pressure Sensor\/Switch &#8220;C&#8221; Circuit. This code is triggered when the transmission control module (TCM) detects a low signal from the fluid pressure sensor. What Does the P0872 Code Mean? The P0872 code means that the TCM has detected &hellip;<\/p>\n","protected":false},"author":26,"featured_media":92773,"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-78380","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 v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P0872 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0872 code, what causes transmission fluid pressure sensor\/switch &quot;C&quot; circuit low, 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\/p0872-obd2-transmission-fluid-pressure-sensor-switch-c-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0872 OBD2: Transmission Fluid Pressure Sensor\/Switch &quot;C&quot; Circuit Low\" \/>\n<meta property=\"og:description\" content=\"The P0872 code is a diagnostic trouble code (DTC) that indicates an issue with the Transmission Fluid Pressure Sensor\/Switch &quot;C&quot; Circuit. This code is\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0872-obd2-transmission-fluid-pressure-sensor-switch-c-circuit-low\" \/>\n<meta property=\"og:site_name\" content=\"eManualOnline Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/EmanualOnline\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-15T19:31:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-15T19:43:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low.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\\\/p0872-obd2-transmission-fluid-pressure-sensor-switch-c-circuit-low#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0872-obd2-transmission-fluid-pressure-sensor-switch-c-circuit-low\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0872 OBD2: Transmission Fluid Pressure Sensor\\\/Switch &#8220;C&#8221; 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He learned to write after spending over a decade doing it.","sameAs":["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\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0872-obd2-transmission-fluid-pressure-sensorswitch-c-circuit-low-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":"The P0872 code is a diagnostic trouble code (DTC) that indicates an issue with the Transmission Fluid Pressure Sensor\/Switch &#8220;C&#8221; Circuit. This code is triggered when the transmission control module (TCM) detects a low signal from the fluid pressure sensor. What Does the P0872 Code Mean? 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