{"id":77598,"date":"2025-09-02T13:54:34","date_gmt":"2025-09-02T18:54:34","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77598"},"modified":"2025-09-02T13:54:35","modified_gmt":"2025-09-02T18:54:35","slug":"p0338-obd2-crankshaft-position-sensor-a-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0338-obd2-crankshaft-position-sensor-a-circuit-high","title":{"rendered":"P0338 OBD2: Crankshaft Position Sensor &#8220;A&#8221; Circuit High"},"content":{"rendered":"<h2>What Does the P0338 Code Mean?<\/h2>\n<p>The P0338 code is associated with the Crankshaft Position Sensor &#8220;A&#8221; Circuit, indicating that the sensor is reporting a high voltage signal to the Powertrain Control Module (PCM). This malfunction can lead to significant issues with engine performance, as the PCM relies on accurate data from the crankshaft position sensor to manage ignition timing and fuel delivery.<\/p>\n<h2>What Causes the P0338 Code?<\/h2>\n<p>There are several potential causes for the P0338 code, including:<\/p>\n<ul>\n<li>Broken tone ring<\/li>\n<li>Crankshaft Position Sensor (CKP) malfunction<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues or shorts<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0338 Code?<\/h2>\n<p>Drivers may experience various symptoms when the P0338 code is triggered, such as:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>Engine may not start<\/li>\n<li>Increased fuel consumption<\/li>\n<\/ul>\n<h2>How Serious Is the P0338 Code?<\/h2>\n<p>The P0338 code is categorized as urgent, indicating that immediate action is necessary to prevent further damage to the vehicle or potential harm to the driver and passengers. Ignoring this code can lead to severe engine performance issues, which could ultimately result in costly repairs.<\/p>\n<h2>How to Diagnose the P0338 Code<\/h2>\n<p>A comprehensive diagnostic routine is essential for effectively addressing the P0338 code. This includes:<\/p>\n<ul>\n<li>Using an OBD-II scanner to confirm the code and check for additional trouble codes.<\/li>\n<li>Inspecting the crankshaft position sensor and its wiring for damage or disconnections.<\/li>\n<li>Testing the tone ring for any deformities or breaks.<\/li>\n<li>Checking the PCM for any faults.<\/li>\n<\/ul>\n<h2>Common Repairs for the P0338 Code<\/h2>\n<p>To rectify the P0338 code, the following repairs may be necessary:<\/p>\n<ul>\n<li>Replacement of the Crankshaft Position Sensor<\/li>\n<li>Repairing or replacing damaged wiring<\/li>\n<li>Fixing or replacing the broken tone ring<\/li>\n<li>Replacing the Powertrain Control Module if it is determined to be faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0338 Code?<\/h2>\n<p>The cost to repair issues related to the P0338 code can vary significantly depending on the specific cause and the make and model of the vehicle. On average, replacing a crankshaft position sensor may cost between $100 and $300, including parts and labor. Additional repairs, such as wiring fixes or PCM replacements, could increase the overall cost.<\/p>\n<h2>Can I Fix the P0338 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to replace the crankshaft position sensor or repair wiring issues, it&#8217;s essential to understand that diagnosing the underlying problem requires a comprehensive understanding of automotive systems. If you&#8217;re not experienced with automotive repairs, it is advisable to seek professional assistance to avoid further complications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0338 Code Mean? The P0338 code is associated with the Crankshaft Position Sensor &#8220;A&#8221; Circuit, indicating that the sensor is reporting a high voltage signal to the Powertrain Control Module (PCM). This malfunction can lead to significant issues with engine performance, as the PCM relies on accurate data from the crankshaft position &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94857,"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-77598","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 P0338 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0338 code, what causes crankshaft position sensor circuit high issues, and how to diagnose and fix common problems 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\/p0338-obd2-crankshaft-position-sensor-a-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0338 OBD2: Crankshaft Position Sensor &quot;A&quot; Circuit High\" \/>\n<meta property=\"og:description\" content=\"What Does the P0338 Code Mean? The P0338 code is associated with the Crankshaft Position Sensor &quot;A&quot; Circuit, indicating that the sensor is reporting a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0338-obd2-crankshaft-position-sensor-a-circuit-high\" \/>\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=\"2025-09-02T18:54:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-02T18:54:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high.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\/p0338-obd2-crankshaft-position-sensor-a-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.emanualonline.com\/blog\/p0338-obd2-crankshaft-position-sensor-a-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\/\/www.emanualonline.com\/blog\/#\/schema\/person\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0338 OBD2: Crankshaft Position Sensor &#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\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0338-obd2-crankshaft-position-sensor-a-circuit-high-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 P0338 Code Mean? The P0338 code is associated with the Crankshaft Position Sensor &#8220;A&#8221; Circuit, indicating that the sensor is reporting a high voltage signal to the Powertrain Control Module (PCM). This malfunction can lead to significant issues with engine performance, as the PCM relies on accurate data from the crankshaft position&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77598","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=77598"}],"version-history":[{"count":1,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77598\/revisions"}],"predecessor-version":[{"id":84297,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77598\/revisions\/84297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94857"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}