{"id":78029,"date":"2025-08-24T13:43:19","date_gmt":"2025-08-24T18:43:19","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=78029"},"modified":"2025-08-24T14:18:16","modified_gmt":"2025-08-24T19:18:16","slug":"p067b-obd2-cylinder-4-glow-plug-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high","title":{"rendered":"P067B OBD2: Cylinder 4 Glow Plug Control Circuit High"},"content":{"rendered":"<p>The P067B code refers to a malfunction in the glow plug control circuit specifically for cylinder 4 in diesel engines. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various aspects of vehicle performance.<\/p>\n<h2>What Does the P067B Code Mean?<\/h2>\n<p>When the engine control module (PCM) detects that the glow plug for cylinder 4 is not operating correctly, it triggers the P067B code. This usually indicates a high voltage or an open circuit in the glow plug control circuit for that specific cylinder.<\/p>\n<h2>What Causes the P067B Code?<\/h2>\n<p>Several factors can lead to the P067B code being generated, including:<\/p>\n<ul>\n<li>Glow plug control module failure<\/li>\n<li>Glow plug failure<\/li>\n<li>Glow plug wiring harness failure<\/li>\n<\/ul>\n<h2>What Are the Symptoms of the P067B Code?<\/h2>\n<p>Common symptoms associated with the P067B code include:<\/p>\n<ul>\n<li>Engine may not start<\/li>\n<li>Hard or no start in cold weather<\/li>\n<\/ul>\n<h2>How Serious Is the P067B Code?<\/h2>\n<p>This code is considered urgent, as it can lead to severe engine performance issues, particularly in cold weather. Delaying repairs can result in further damage to the vehicle and pose risks to the driver and passengers.<\/p>\n<h2>How to Diagnose the P067B Code<\/h2>\n<p>To diagnose the P067B code, a mechanic typically follows these steps:<\/p>\n<ul>\n<li>Use an OBD-II scanner to confirm the P067B code.<\/li>\n<li>Inspect the glow plug wiring harness for any signs of damage or corrosion.<\/li>\n<li>Test the glow plug and control module for proper operation.<\/li>\n<li>Check the PCM for any updates or faultiness.<\/li>\n<\/ul>\n<h2>Common Repairs for the P067B Code<\/h2>\n<p>Repairs for the P067B code may include:<\/p>\n<ul>\n<li>Replacing the glow plug<\/li>\n<li>Replacing the glow plug control module<\/li>\n<li>Repairing or replacing the wiring harness<\/li>\n<\/ul>\n<h2>How Much Does It Cost to Fix the P067B Code?<\/h2>\n<p>The cost to fix the P067B code can vary widely based on the specific issue and vehicle model. Expect to pay anywhere from $100 to $400, depending on whether parts need to be replaced or if wiring repairs are necessary.<\/p>\n<h2>Can I Fix the P067B Code Myself?<\/h2>\n<p>If you have experience with automotive repairs and the necessary tools, you may be able to diagnose and fix the P067B code yourself. However, if you are unsure about your abilities, it is advisable to consult a professional mechanic to avoid further complications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The P067B code refers to a malfunction in the glow plug control circuit specifically for cylinder 4 in diesel engines. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various aspects of vehicle performance. What Does the P067B Code Mean? When the engine control module (PCM) detects that the glow plug &hellip;<\/p>\n","protected":false},"author":26,"featured_media":93725,"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-78029","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 v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OBD2 Code P067B \u2013 Causes, Symptoms, and Repairs<\/title>\n<meta name=\"description\" content=\"Learn all about the P067B code, what causes cylinder 4 glow plug control 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\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P067B OBD2: Cylinder 4 Glow Plug Control Circuit High\" \/>\n<meta property=\"og:description\" content=\"The P067B code refers to a malfunction in the glow plug control circuit specifically for cylinder 4 in diesel engines. This code is part of the On-Board\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emanualonline.com\/blog\/p067b-obd2-cylinder-4-glow-plug-control-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=\"2025-08-24T18:43:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-24T19:18:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-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\" 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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\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high.png",1200,675,false],"thumbnail":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-150x150.png",150,150,true],"medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-300x169.png",300,169,true],"medium_large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-768x432.png",618,348,true],"large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-1024x576.png",618,348,true],"1536x1536":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high.png",1200,675,false],"2048x2048":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high.png",1200,675,false],"tie-small":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-110x75.png",110,75,true],"tie-medium":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-403x215.png",403,215,true],"tie-large":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-310x205.png",310,205,true],"slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-circuit-high-660x330.png",660,330,true],"big-slider":["https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2025\/08\/p067b-obd2-cylinder-4-glow-plug-control-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":"The P067B code refers to a malfunction in the glow plug control circuit specifically for cylinder 4 in diesel engines. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various aspects of vehicle performance. What Does the P067B Code Mean? 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