{"id":77630,"date":"2025-08-31T15:59:22","date_gmt":"2025-08-31T20:59:22","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=77630"},"modified":"2025-08-31T16:08:36","modified_gmt":"2025-08-31T21:08:36","slug":"p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses","title":{"rendered":"P0374 OBD2: Timing Reference High Resolution Signal &#8220;A&#8221; No Pulses"},"content":{"rendered":"<h2>What Does the P0374 Code Mean?<\/h2>\n<p>OBD-II Code P0374 is defined as a Timing Reference High Resolution Signal &#8220;A&#8221; no Pulses. This code is triggered when the engine control module (PCM) fails to receive a proper pulse signal from the crankshaft position sensor (CKP) to the fuel injection control module (FICM).<\/p>\n<h2>What Causes the P0374 Code?<\/h2>\n<p>The P0374 code can be caused by several issues, including:<\/p>\n<ul>\n<li>Crankshaft Position Sensor (CKP) failure<\/li>\n<li>Fuel Injection Control Module (FICM) failure<\/li>\n<li>Powertrain Control Module (PCM) failure<\/li>\n<li>Wiring issues between the CKP and the PCM<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P0374 Code?<\/h2>\n<p>Drivers may experience various symptoms when the P0374 code is present, including:<\/p>\n<ul>\n<li>Decreased engine performance<\/li>\n<li>The engine may not start<\/li>\n<\/ul>\n<h2>How Serious Is the P0374 Code?<\/h2>\n<p>The P0374 code is considered <strong>urgent<\/strong> because it indicates significant malfunctions that can lead to severe engine damage or pose safety risks for the driver and passengers. Immediate action is advised when this code appears.<\/p>\n<h2>How to Diagnose the P0374 Code<\/h2>\n<p>Diagnosing the P0374 code should involve a systematic approach:<\/p>\n<ol>\n<li>Use an OBD-II scanner to confirm the code and check for any other related codes.<\/li>\n<li>Inspect the wiring and connectors associated with the CKP and FICM for any signs of damage.<\/li>\n<li>Test the crankshaft position sensor for proper functionality.<\/li>\n<li>Check the PCM for any updates or malfunctions.<\/li>\n<\/ol>\n<h2>Common Repairs for the P0374 Code<\/h2>\n<p>Common repairs for the P0374 code may include:<\/p>\n<ul>\n<li>Replacing the crankshaft position sensor (CKP)<\/li>\n<li>Repairing or replacing the wiring or connectors<\/li>\n<li>Replacing the fuel injection control module (FICM)<\/li>\n<li>Reprogramming or replacing the powertrain control module (PCM)<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P0374 Code?<\/h2>\n<p>The cost to fix the P0374 code can vary widely based on the underlying issue. On average, repairs can range from $100 to $1,000, factoring in diagnostic fees, parts, and labor. Replacing a crankshaft position sensor generally costs between $100 and $300.<\/p>\n<h2>Can I Fix the P0374 Code Myself?<\/h2>\n<p>While some DIY enthusiasts may tackle the repairs for the P0374 code, it is crucial to have a good understanding of automotive systems and diagnostics. If you are not confident in your abilities, it is always recommended to seek professional assistance to ensure the problem is correctly diagnosed and repaired.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does the P0374 Code Mean? OBD-II Code P0374 is defined as a Timing Reference High Resolution Signal &#8220;A&#8221; no Pulses. This code is triggered when the engine control module (PCM) fails to receive a proper pulse signal from the crankshaft position sensor (CKP) to the fuel injection control module (FICM). What Causes the P0374 &hellip;<\/p>\n","protected":false},"author":26,"featured_media":94748,"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-77630","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 P0374 \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P0374 code, what causes timing reference high resolution signal &quot;A&quot; no pulses, 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\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0374 OBD2: Timing Reference High Resolution Signal &quot;A&quot; No Pulses\" \/>\n<meta property=\"og:description\" content=\"What Does the P0374 Code Mean? OBD-II Code P0374 is defined as a Timing Reference High Resolution Signal &quot;A&quot; no Pulses. 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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\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p0374-obd2-timing-reference-high-resolution-signal-a-no-pulses-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 P0374 Code Mean? OBD-II Code P0374 is defined as a Timing Reference High Resolution Signal &#8220;A&#8221; no Pulses. This code is triggered when the engine control module (PCM) fails to receive a proper pulse signal from the crankshaft position sensor (CKP) to the fuel injection control module (FICM). What Causes the P0374&hellip;","_links":{"self":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77630","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=77630"}],"version-history":[{"count":3,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77630\/revisions"}],"predecessor-version":[{"id":94791,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/posts\/77630\/revisions\/94791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media\/94748"}],"wp:attachment":[{"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/media?parent=77630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/categories?post=77630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emanualonline.com\/blog\/wp-json\/wp\/v2\/tags?post=77630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}