{"id":78439,"date":"2025-08-11T10:32:00","date_gmt":"2025-08-11T15:32:00","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78439"},"modified":"2025-08-11T10:32:00","modified_gmt":"2025-08-11T15:32:00","slug":"p0929-obd2-gear-shift-lock-solenoid-actuator-control-circuit-a","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0929-obd2-gear-shift-lock-solenoid-actuator-control-circuit-a","title":{"rendered":"P0929 OBD2: Gear Shift Lock Solenoid\/Actuator Control Circuit &#8220;A&#8221;"},"content":{"rendered":"<p>The P0929 code is an OBD-II trouble code that indicates a problem with the Gear Shift Lock Solenoid or Actuator Control Circuit &#8220;A&#8221;. This code is generated when the Transmission Control Module (TCM) detects an implausible signal from the shift solenoid, affecting the vehicle&#8217;s transmission operation.<\/p>\n<h2>What Does the P0929 Code Mean?<\/h2>\n<p>When the TCM identifies a fault in the Gear Shift Lock Solenoid\/Actuator Control Circuit, it sets the P0929 code. This can result in improper shifting of the transmission, which may lead to increased fuel consumption and overall vehicle performance issues.<\/p>\n<h2>What Causes the P0929 Code?<\/h2>\n<p>Several factors can trigger the P0929 code, including:<\/p>\n<ul>\n<li>Gear shift actuator assembly failure<\/li>\n<li>Transmission Control Module (TCM) failure<\/li>\n<li>Wiring issues within the circuit<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0929 Code?<\/h2>\n<p>Common symptoms associated with the P0929 code include:<\/p>\n<ul>\n<li>Transmission may not shift properly<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P0929 Code?<\/h2>\n<p>While the P0929 code is categorized as moderate severity, it is essential to address it promptly. Although it may not pose an immediate threat to vehicle safety or functionality, neglecting the issue can lead to more severe transmission problems over time.<\/p>\n<h2>How to Diagnose the P0929 Code<\/h2>\n<p>Diagnosing the P0929 code involves several steps:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the P0929 code and check for any additional codes.<\/li>\n<li>Inspect the wiring and connectors associated with the gear shift actuator for any visible damage.<\/li>\n<li>Test the gear shift actuator assembly using a multimeter to ensure it operates within specifications.<\/li>\n<li>Examine the TCM for any faults or malfunctions.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0929 Code<\/h2>\n<p>Repairs that may be needed to resolve the P0929 code include:<\/p>\n<ul>\n<li>Replacing the gear shift actuator assembly<\/li>\n<li>Repairing or replacing damaged wiring or connectors<\/li>\n<li>Replacing the Transmission Control Module (TCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0929 Code?<\/h2>\n<p>The cost to fix the P0929 code can vary widely based on the specific issue and labor rates in your area. On average, repairs can range from $150 to $600, depending on whether parts such as the gear shift actuator or TCM need to be replaced.<\/p>\n<h2>Can I Fix the P0929 Code Myself?<\/h2>\n<p>While some DIY enthusiasts with automotive knowledge may attempt to diagnose and repair the P0929 code, it is recommended to seek professional assistance. Proper diagnosis often requires specialized tools and equipment that certified technicians possess, ensuring a more accurate and effective repair.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P0929 code is an OBD-II trouble code that indicates a problem with the Gear Shift Lock Solenoid or Actuator Control Circuit &#8220;A&#8221;. This code is generated when the Transmission Control Module (TCM) detects an implausible signal from the shift solenoid, affecting the vehicle&#8217;s transmission operation. What Does the P0929 Code Mean? When the TCM &hellip;<\/p>\n","protected":false},"author":26,"featured_media":92587,"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-78439","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 P0929 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0929 code, what causes issues in the gear shift lock solenoid\/actuator control circuit, 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\/p0929-obd2-gear-shift-lock-solenoid-actuator-control-circuit-a\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0929 OBD2: Gear Shift Lock Solenoid\/Actuator Control Circuit &quot;A&quot;\" \/>\n<meta property=\"og:description\" content=\"The P0929 code is an OBD-II trouble code that indicates a problem with the Gear Shift Lock Solenoid or Actuator Control Circuit &quot;A&quot;. 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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\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0929-obd2-gear-shift-lock-solenoidactuator-control-circuit-a-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 P0929 code is an OBD-II trouble code that indicates a problem with the Gear Shift Lock Solenoid or Actuator Control Circuit &#8220;A&#8221;. This code is generated when the Transmission Control Module (TCM) detects an implausible signal from the shift solenoid, affecting the vehicle&#8217;s transmission operation. What Does the P0929 Code Mean? When the TCM&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78439","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=78439"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78439\/revisions"}],"predecessor-version":[{"id":85138,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/78439\/revisions\/85138"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/92587"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=78439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=78439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=78439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}