{"id":78264,"date":"2025-08-20T21:36:49","date_gmt":"2025-08-21T02:36:49","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78264"},"modified":"2025-08-20T21:44:59","modified_gmt":"2025-08-21T02:44:59","slug":"p07b3-obd2-transmission-park-position-sensor-switch-a-circuit-low","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p07b3-obd2-transmission-park-position-sensor-switch-a-circuit-low","title":{"rendered":"P07B3 OBD2: Transmission Park Position Sensor\/Switch &#8220;A&#8221; Circuit Low"},"content":{"rendered":"<h2>What Does the P07B3 Code Mean?<\/h2>\n<p>The P07B3 OBD-II code indicates that the vehicle&#8217;s Transmission Park Position Sensor\/Switch &#8220;A&#8221; Circuit is reporting a low signal. This sensor is critical for informing the engine control module (PCM) whether the vehicle is in park.<\/p>\n<h2>What Causes the P07B3 Code?<\/h2>\n<p>The P07B3 code can be triggered by several issues:<\/p>\n<ul>\n<li>Failure of the Transmission Park Position Sensor<\/li>\n<li>Wiring issues in the circuit<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P07B3 Code?<\/h2>\n<p>Common symptoms associated with the P07B3 code include:<\/p>\n<ul>\n<li>The transmission may not shift out of park<\/li>\n<\/ul>\n<h2>How Serious Is the P07B3 Code?<\/h2>\n<p>The P07B3 code is considered urgent, as it indicates significant malfunctions that could lead to severe damage to the vehicle or pose safety risks to the driver and passengers. Immediate attention is recommended.<\/p>\n<h2>How to Diagnose the P07B3 Code<\/h2>\n<p>Diagnosing the P07B3 code typically involves the following steps:<\/p>\n<ol>\n<li>Scan the vehicle&#8217;s OBD-II system to confirm the P07B3 code and check for any additional codes.<\/li>\n<li>Inspect the wiring and connectors associated with the Transmission Park Position Sensor for damage or corrosion.<\/li>\n<li>Test the sensor&#8217;s output voltage to ensure it is functioning within the manufacturer&#8217;s specifications.<\/li>\n<li>Evaluate the Powertrain Control Module for any faults or failures.<\/li>\n<\/ol>\n<h2>Common Repairs for the P07B3 Code<\/h2>\n<p>Repairs for the P07B3 code may include:<\/p>\n<ul>\n<li>Replacing the Transmission Park Position Sensor<\/li>\n<li>Repairing or replacing damaged wiring and connectors<\/li>\n<li>Reprogramming or replacing the Powertrain Control Module (PCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P07B3 Code?<\/h2>\n<p>The cost to fix the P07B3 code can vary widely depending on the specific issue. On average:<\/p>\n<ul>\n<li>Replacing the sensor may cost between $100 to $300.<\/li>\n<li>Wiring repairs can range from $50 to $200.<\/li>\n<li>PCM replacement or reprogramming can be significantly more, often exceeding $1,000.<\/li>\n<\/ul>\n<h2>Can I Fix the P07B3 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to handle minor repairs like replacing wiring or connectors, diagnosing and replacing the Transmission Park Position Sensor or PCM can be complex. It is recommended to consult with a professional mechanic to ensure proper diagnosis and repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P07B3 Code Mean? The P07B3 OBD-II code indicates that the vehicle&#8217;s Transmission Park Position Sensor\/Switch &#8220;A&#8221; Circuit is reporting a low signal. This sensor is critical for informing the engine control module (PCM) whether the vehicle is in park. What Causes the P07B3 Code? The P07B3 code can be triggered by several &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93113,"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-78264","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 P07B3 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P07B3 code, what causes Transmission Park Position Sensor\/Switch &quot;A&quot; Circuit Low, and how to diagnose and fix common issues 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\/p07b3-obd2-transmission-park-position-sensor-switch-a-circuit-low\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P07B3 OBD2: Transmission Park Position Sensor\/Switch &quot;A&quot; Circuit Low\" \/>\n<meta property=\"og:description\" content=\"What Does the P07B3 Code Mean? The P07B3 OBD-II code indicates that the vehicle&#039;s Transmission Park Position Sensor\/Switch &quot;A&quot; Circuit is reporting a low\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p07b3-obd2-transmission-park-position-sensor-switch-a-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:author\" content=\"https:\/\/www.facebook.com\/jee514\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-21T02:36:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T02:44:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-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\/p07b3-obd2-transmission-park-position-sensor-switch-a-circuit-low#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p07b3-obd2-transmission-park-position-sensor-switch-a-circuit-low\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P07B3 OBD2: Transmission Park Position Sensor\/Switch &#8220;A&#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\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-circuit-low-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b3-obd2-transmission-park-position-sensorswitch-a-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":"What Does the P07B3 Code Mean? The P07B3 OBD-II code indicates that the vehicle&#8217;s Transmission Park Position Sensor\/Switch &#8220;A&#8221; Circuit is reporting a low signal. This sensor is critical for informing the engine control module (PCM) whether the vehicle is in park. What Causes the P07B3 Code? The P07B3 code can be triggered by several&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78264","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=78264"}],"version-history":[{"count":2,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78264\/revisions"}],"predecessor-version":[{"id":93154,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78264\/revisions\/93154"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/93113"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78264"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}