{"id":77610,"date":"2025-09-02T13:53:50","date_gmt":"2025-09-02T18:53:50","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77610"},"modified":"2025-09-02T14:11:32","modified_gmt":"2025-09-02T19:11:32","slug":"p0348-obd2-camshaft-position-sensor-a-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0348-obd2-camshaft-position-sensor-a-circuit-high","title":{"rendered":"P0348 OBD2: Camshaft Position Sensor &#8220;A&#8221; Circuit High"},"content":{"rendered":"<h2>What Does the P0348 Code Mean?<\/h2>\n<p>OBD-II Code P0348 is defined as a Camshaft Position Sensor &#8220;A&#8221; Circuit High. This code indicates that the engine control module (PCM) has detected a high voltage signal from the camshaft position sensor which is outside the expected range.<\/p>\n<h2>What Causes the P0348 Code?<\/h2>\n<ul>\n<li>Broken tone ring<\/li>\n<li>Camshaft Position Sensor (CMP) failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issue<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0348 Code?<\/h2>\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 P0348 Code?<\/h2>\n<p>The P0348 code is considered urgent. Immediate action is necessary as it indicates significant malfunctions that can lead to severe damage to the vehicle or risk the safety of the driver and passengers.<\/p>\n<h2>How to Diagnose the P0348 Code<\/h2>\n<p>Diagnosing the P0348 code involves a thorough diagnostic routine. Here are steps you can take:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the P0348 code and check for any other related codes.<\/li>\n<li>Inspect the camshaft position sensor and its wiring for damage or disconnection.<\/li>\n<li>Test the sensor&#8217;s output voltage to ensure it is within the manufacturer\u2019s specifications.<\/li>\n<li>Check the tone ring for any cracks or misalignment.<\/li>\n<li>If necessary, test the Powertrain Control Module (PCM) for faults.<\/li>\n<\/ul>\n<h2>Common Repairs for the P0348 Code<\/h2>\n<ul>\n<li>Camshaft Position Sensor Replacement<\/li>\n<li>Repair or replacement of damaged wiring<\/li>\n<li>Replacing the tone ring<\/li>\n<li>PCM replacement if faulty<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0348 Code?<\/h2>\n<p>Repair costs for the P0348 code can vary depending on the specific issue and labor rates. On average, replacing the camshaft position sensor can cost between $150 and $400, including parts and labor. Additional costs may arise if wiring or PCM replacement is necessary.<\/p>\n<h2>Can I Fix the P0348 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may be able to replace the camshaft position sensor themselves, proper diagnosis is crucial to ensure that the root cause of the issue is addressed. If you&#8217;re not confident in your ability to diagnose or repair the problem, it&#8217;s advisable to seek professional assistance to avoid unnecessary repairs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0348 Code Mean? OBD-II Code P0348 is defined as a Camshaft Position Sensor &#8220;A&#8221; Circuit High. This code indicates that the engine control module (PCM) has detected a high voltage signal from the camshaft position sensor which is outside the expected range. What Causes the P0348 Code? Broken tone ring Camshaft Position &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94808,"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-77610","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 P0348 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0348 code, what causes camshaft position sensor &quot;A&quot; circuit high, 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\/p0348-obd2-camshaft-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=\"P0348 OBD2: Camshaft Position Sensor &quot;A&quot; Circuit High\" \/>\n<meta property=\"og:description\" content=\"What Does the P0348 Code Mean? OBD-II Code P0348 is defined as a Camshaft Position Sensor &quot;A&quot; Circuit High. This code indicates that the engine control\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p0348-obd2-camshaft-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:published_time\" content=\"2025-09-02T18:53:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-02T19:11:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-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\\\/p0348-obd2-camshaft-position-sensor-a-circuit-high#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/p0348-obd2-camshaft-position-sensor-a-circuit-high\"},\"author\":{\"name\":\"JC Landry\",\"@id\":\"https:\\\/\\\/www.emanualonline.com\\\/blog\\\/#\\\/schema\\\/person\\\/e803434ab3cc70008b22b56253223403\"},\"headline\":\"P0348 OBD2: Camshaft Position Sensor &#8220;A&#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\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-position-sensor-a-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/09\/p0348-obd2-camshaft-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 P0348 Code Mean? OBD-II Code P0348 is defined as a Camshaft Position Sensor &#8220;A&#8221; Circuit High. This code indicates that the engine control module (PCM) has detected a high voltage signal from the camshaft position sensor which is outside the expected range. What Causes the P0348 Code? Broken tone ring Camshaft Position&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77610","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=77610"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77610\/revisions"}],"predecessor-version":[{"id":94883,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77610\/revisions\/94883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94808"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}