{"id":78263,"date":"2025-08-20T21:36:53","date_gmt":"2025-08-21T02:36:53","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78263"},"modified":"2025-08-20T21:36:53","modified_gmt":"2025-08-21T02:36:53","slug":"p07b2-obd2-transmission-park-position-sensor-switch-a-circuit-open","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p07b2-obd2-transmission-park-position-sensor-switch-a-circuit-open","title":{"rendered":"P07B2 OBD2: Transmission Park Position Sensor\/Switch &#8220;A&#8221; Circuit\/Open"},"content":{"rendered":"<h2>What Does the P07B2 Code Mean?<\/h2>\n<p>The P07B2 code is an OBD-II trouble code that indicates a malfunction in the Transmission Park Position Sensor or Switch &#8216;A&#8217; Circuit. This sensor is critical as it informs the Powertrain Control Module (PCM) whether the vehicle is in park. If the PCM detects a fault or an open circuit from this sensor, it will trigger the P07B2 code.<\/p>\n<h2>What Causes the P07B2 Code?<\/h2>\n<p>Several factors can lead to the P07B2 code being triggered, including:<\/p>\n<ul>\n<li>Failure of the Transmission Park Position Sensor<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues or damaged connectors in the circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P07B2 Code?<\/h2>\n<p>When the P07B2 code is present, you may experience the following symptoms:<\/p>\n<ul>\n<li>The transmission may not shift out of park<\/li>\n<li>Difficulty in shifting gears<\/li>\n<li>Possible illumination of the check engine light<\/li>\n<\/ul>\n<h2>How Serious Is the P07B2 Code?<\/h2>\n<p>The P07B2 code is classified as urgent. It indicates significant malfunctions that can potentially lead to severe damage to your vehicle or pose safety risks to the driver and passengers. It is vital to address this issue promptly to avoid complications.<\/p>\n<h2>How to Diagnose the P07B2 Code<\/h2>\n<p>To diagnose the P07B2 code effectively, a mechanic should follow these steps:<\/p>\n<ul>\n<li>Utilize an OBD-II scanner to confirm the presence of the P07B2 code and check for any additional codes.<\/li>\n<li>Inspect the Transmission Park Position Sensor and its wiring for any visible damage.<\/li>\n<li>Test the sensor&#8217;s resistance and voltage with a multimeter to verify its functionality.<\/li>\n<li>Examine the Powertrain Control Module for any signs of failure or malfunction.<\/li>\n<\/ul>\n<h2>Common Repairs for the P07B2 Code<\/h2>\n<p>Repairs for the P07B2 code may include:<\/p>\n<ul>\n<li>Replacing the Transmission Park Position Sensor<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Reprogramming or replacing the Powertrain Control Module<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P07B2 Code?<\/h2>\n<p>The cost of repairs related to the P07B2 code can vary significantly based on the specific issues found but typically ranges between $100 and $600. This includes parts and labor. Sensor replacements tend to be on the lower end of this range, while PCM issues can escalate costs.<\/p>\n<h2>Can I Fix the P07B2 Code Myself?<\/h2>\n<p>While some aspects of diagnosing and fixing the P07B2 code can be done by a knowledgeable DIY enthusiast, it is essential to have a solid understanding of automotive electronics and systems. If you&#8217;re not confident in your skills, it is advisable to seek professional assistance to ensure that the problem is correctly diagnosed and repaired.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P07B2 Code Mean? The P07B2 code is an OBD-II trouble code that indicates a malfunction in the Transmission Park Position Sensor or Switch &#8216;A&#8217; Circuit. This sensor is critical as it informs the Powertrain Control Module (PCM) whether the vehicle is in park. If the PCM detects a fault or an open &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93115,"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-78263","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 P07B2 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P07B2 code, what causes issues with the Transmission Park Position Sensor, 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\/p07b2-obd2-transmission-park-position-sensor-switch-a-circuit-open\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P07B2 OBD2: Transmission Park Position Sensor\/Switch &quot;A&quot; Circuit\/Open\" \/>\n<meta property=\"og:description\" content=\"What Does the P07B2 Code Mean? The P07B2 code is an OBD-II trouble code that indicates a malfunction in the Transmission Park Position Sensor or Switch\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p07b2-obd2-transmission-park-position-sensor-switch-a-circuit-open\" \/>\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=\"2025-08-21T02:36:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p07b2-obd2-transmission-park-position-sensorswitch-a-circuitopen.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\\\/p07b2-obd2-transmission-park-position-sensor-switch-a-circuit-open#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p07b2-obd2-transmission-park-position-sensor-switch-a-circuit-open\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P07B2 OBD2: Transmission Park Position Sensor\\\/Switch &#8220;A&#8221; 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