{"id":518979,"date":"2025-12-11T03:59:36","date_gmt":"2025-12-11T08:59:36","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/"},"modified":"2025-12-11T03:59:36","modified_gmt":"2025-12-11T08:59:36","slug":"dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/","title":{"rendered":"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">P3496<\/div>\n<h1>P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>P3496 means \u201cCylinder 12 Exhaust Valve Control Circuit High.\u201d <\/li>\n<li>Typical signs: loss of power, rough running, misfire on cylinder 12, and a Check\u2011Engine Light. <\/li>\n<li>Primary causes: faulty exhaust\u2011valve solenoid, damaged wiring, or a PCM\/ECU output driver problem. <\/li>\n<li>Diagnosis starts with a scan, then voltage\/resistance checks and wiring continuity tests. <\/li>\n<li>Replacement of the power\u2011train control module is often the most reliable fix; Flagship One provides VIN\u2011matched, pre\u2011programmed units with a warranty. <\/li>\n<\/ul>\n<\/div>\n<h3>P3496 Code: Symptoms, Causes, and How to Fix It <\/h3>\n<p>Drivers usually notice the problem immediately because the engine\u2019s performance drops as soon as the fault appears. A flashing or steady Check\u2011Engine Light is the first clue, followed by a loss of power when accelerating, especially under load. The engine may run unevenly, and a misfire on cylinder 12 can be heard as a popping or sputtering sound. In many cases the vehicle\u2019s onboard diagnostics will store freeze\u2011frame data that shows reduced torque and a lean\u2011burn condition at the moment the fault was set. These symptoms are directly tied to the exhaust\u2011valve control circuit for cylinder 12 being forced into a high\u2011voltage state.<\/p>\n<h2>Symptoms <\/h2>\n<ul>\n<li><strong>Check\u2011Engine Light<\/strong> (P3496 stored, often accompanied by a generic \u201cPowertrain\u201d code). <\/li>\n<li><strong>Loss of power<\/strong> during acceleration, especially when the engine is under load. <\/li>\n<li><strong>Rough idle or uneven running<\/strong> that improves when the engine is at steady cruise. <\/li>\n<li><strong>Cylinder 12 misfire<\/strong> \u2013 audible popping, occasional hesitation, or a noticeable shake. <\/li>\n<li><strong>Reduced fuel efficiency<\/strong> caused by the engine compensating for the misfire. <\/li>\n<\/ul>\n<h2>Why This Happens <\/h2>\n<h3>Faulty Exhaust\u2011Valve Solenoid <\/h3>\n<p>The solenoid that opens the exhaust valve for cylinder 12 receives a voltage signal from the PCM\/ECU. Internal coil degradation or a shorted winding can present excessive resistance, causing the control module to register a \u201chigh\u201d condition.<\/p>\n<h3>Damaged or Corroded Wiring Harness <\/h3>\n<p>A broken wire, pinched harness, or corrosion at connectors raises the circuit resistance. The PCM interprets the abnormal voltage as a high\u2011circuit fault, even though the solenoid itself may be functional.<\/p>\n<h3>PCM\/ECU Output Driver Failure <\/h3>\n<p>The driver circuit inside the power\u2011train control module that switches the solenoid on and off can develop internal faults. When the driver cannot sink the required current, the voltage on the circuit rises above the calibrated threshold, triggering P3496.<\/p>\n<h3>Moisture Intrusion <\/h3>\n<p>Water ingress into the engine compartment can short the harness or cause intermittent high\u2011resistance paths. This is common in vehicles with damaged under\u2011body shields or after severe weather exposure.<\/p>\n<h3>Software Calibration Issue <\/h3>\n<p>Out\u2011of\u2011date PCM firmware may misinterpret normal voltage spikes as faults. A calibration that does not account for the specific solenoid\u2019s electrical characteristics can generate false positives.<\/p>\n<h2>Diagnostic and Repair Procedures <\/h2>\n<ol>\n<li><strong>Read and Record Codes<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Use a professional OBD\u2011II scanner capable of live data and freeze\u2011frame capture. Confirm P3496 and note any accompanying codes (e.g., P0300\u2011P0304 for misfires). <\/p>\n<ol>\n<li><strong>Inspect Visual Condition<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Examine the exhaust\u2011valve solenoid, wiring loom, and connectors for signs of heat damage, corrosion, or broken pins. Replace any visibly damaged components before proceeding. <\/p>\n<ol>\n<li><strong>Voltage Test at the Solenoid<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; With the ignition ON and the engine off, measure the voltage at the solenoid\u2019s power wire. A reading above 12 V (typically 13\u201315 V) indicates a high\u2011circuit condition. <\/p>\n<ol>\n<li><strong>Resistance Check<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Disconnect the solenoid connector and measure coil resistance with an ohmmeter. Compare the value to the manufacturer\u2019s specification (often 5\u201315 \u03a9). A significantly higher resistance points to a failed coil. <\/p>\n<ol>\n<li><strong>Continuity and Short Test of Wiring<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Perform a continuity check from the PCM output pin to the solenoid connector. Any open circuit or resistance above 0.2 \u03a9 suggests a wiring fault. <\/p>\n<ol>\n<li><strong>PCM Output Driver Test<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; If the solenoid and wiring are within spec, the fault likely resides in the PCM\u2019s driver. This requires a bench\u2011level test or a \u201cmodule communication\u201d test using a dealer\u2011level scan tool. <\/p>\n<ol>\n<li><strong>Software Update<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Verify the PCM\u2019s software version. If an update is available that addresses exhaust\u2011valve control logic, flash the new calibration. <\/p>\n<ol>\n<li><strong>Repair vs. Replace Decision<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Repair is limited to wiring repair, connector cleaning, or solenoid replacement (cost $150\u2011$250 for the part plus $80\u2011$120 labor). <\/p>\n<p> &#8211; When the PCM driver fails or software corruption persists, replacement of the power\u2011train control module is the most reliable solution. <\/p>\n<ol>\n<li><strong>Re\u2011programming After Replacement<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; A new PCM must be programmed to the vehicle\u2019s VIN and calibrated for the specific engine configuration. This step ensures proper communication with the exhaust\u2011valve system and all other subsystems. <\/p>\n<p><strong>Typical cost ranges<\/strong> <\/p>\n<ul>\n<li>Diagnostic scan and labor: $120\u2011$180. <\/li>\n<li>Solenoid replacement (if needed): $150\u2011$250 plus labor. <\/li>\n<li>PCM replacement (including VIN\u2011matched programming): $800\u2011$1,200 for the unit, $200\u2011$300 labor. <\/li>\n<\/ul>\n<h2>When Replacement Makes More Sense <\/h2>\n<div class=\"flagship-logo-section\">\n<a href=\"https:\/\/www.fs1inc.com\/\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<img decoding=\"async\" alt=\"Flagship One\" class=\"flagship-logo\" src=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\"\/><br \/>\n<\/a>\n<\/div>\n<p>If the PCM\u2019s internal driver is damaged or the module\u2019s firmware is irreparably corrupted, repairing the circuit will only provide a temporary fix. Repeated high\u2011circuit faults often lead to additional errors in related systems, such as fuel\u2011trim or ignition timing controls. In these scenarios, installing a fresh, factory\u2011calibrated control module eliminates the root cause and restores full system integrity.<\/p>\n<p><strong>Flagship One specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by a comprehensive warranty. Modern control modules are deeply integrated with security, immobilizer, and emission\u2011control networks, making correct programming essential. By sourcing a replacement from Flagship One, you receive a unit that has been pre\u2011programmed to your vehicle\u2019s exact specifications, reducing installation time and eliminating the risk of mismatched software.<\/strong> <\/p>\n<h2>Preventive Maintenance <\/h2>\n<ul>\n<li><strong>Protect Wiring Harnesses<\/strong> \u2013 Route protective sleeves under the engine cover and replace any cracked insulation. <\/li>\n<li><strong>Apply Dielectric Grease<\/strong> \u2013 At all connector pins in the exhaust\u2011valve circuit to repel moisture and prevent corrosion. <\/li>\n<li><strong>Regular Scans<\/strong> \u2013 Perform a quick OBD\u2011II check at every service interval; early detection of voltage anomalies can prevent a full\u2011circuit fault. <\/li>\n<li><strong>Software Checks<\/strong> \u2013 Keep the PCM firmware current by installing manufacturer\u2011issued updates during scheduled service. <\/li>\n<li><strong>Engine Bay Cleanliness<\/strong> \u2013 Remove debris and salt buildup that can accelerate connector corrosion, especially after winter road treatment.<\/li>\n<\/ul>\n<div class=\"info-section\">\n<p><strong>Service Recommendation:<\/strong> Most issues related to this fault are diagnosed and corrected through inspection, wiring repair, and calibration rather than module replacement. For modules not typically replaced through aftermarket suppliers, diagnosis and repair should be performed by a certified automotive technician with access to factory service information and tooling.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exhaust valve high circuit on cylinder 12 triggers loss of power in your vehicle\u2014diagnose the fault, check wiring, and schedule module repair now.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-518979","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide - Flagship One Blog<\/title>\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.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Exhaust valve high circuit on cylinder 12 triggers loss of power in your vehicle\u2014diagnose the fault, check wiring, and schedule module repair now.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/\" \/>\n<meta property=\"og:site_name\" content=\"Flagship One Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flagshipone\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/flagshipone\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-11T08:59:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg\" \/>\n<meta name=\"author\" content=\"FlagshipOne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:site\" content=\"@theflagshipone\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"FlagshipOne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide\",\"datePublished\":\"2025-12-11T08:59:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/\"},\"wordCount\":1069,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"articleSection\":[\"Auto News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/\",\"name\":\"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-11T08:59:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"width\":2560,\"height\":617},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"name\":\"Flagship One Blog\",\"description\":\"Flagship One Inc. OEM Engine Computers  Control Modules\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\",\"name\":\"Flagship One, Inc.\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/web-lg-fs1-logo.png\",\"width\":1341,\"height\":1098,\"caption\":\"Flagship One, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/flagshipone\",\"https:\\\/\\\/x.com\\\/theflagshipone\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0oyKphffBM2qkJ-gKPmMXw\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\",\"name\":\"FlagshipOne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g\",\"caption\":\"FlagshipOne\"},\"description\":\"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.\",\"sameAs\":[\"https:\\\/\\\/www.fs1inc.com\\\/\",\"https:\\\/\\\/www.facebook.com\\\/flagshipone\\\/\",\"https:\\\/\\\/www.instagram.com\\\/flagship_one\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/fs1inc\"],\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/author\\\/flagship1inc\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide - Flagship One Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/","og_locale":"en_US","og_type":"article","og_title":"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide - Flagship One Blog","og_description":"Exhaust valve high circuit on cylinder 12 triggers loss of power in your vehicle\u2014diagnose the fault, check wiring, and schedule module repair now.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-11T08:59:36+00:00","og_image":[{"url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","type":"","width":"","height":""}],"author":"FlagshipOne","twitter_card":"summary_large_image","twitter_creator":"@theflagshipone","twitter_site":"@theflagshipone","twitter_misc":{"Written by":"FlagshipOne","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide","datePublished":"2025-12-11T08:59:36+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/"},"wordCount":1069,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","articleSection":["Auto News"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/","name":"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-11T08:59:36+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#primaryimage","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","width":2560,"height":617},{"@type":"BreadcrumbList","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p3496-cylinder-12-exhaust-valve-control-circuit-high\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P3496 Code Symptoms, Causes, Diagnostic Steps and Repair Guide"}]},{"@type":"WebSite","@id":"https:\/\/www.fs1inc.com\/blog\/#website","url":"https:\/\/www.fs1inc.com\/blog\/","name":"Flagship One Blog","description":"Flagship One Inc. OEM Engine Computers  Control Modules","publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fs1inc.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fs1inc.com\/blog\/#organization","name":"Flagship One, Inc.","url":"https:\/\/www.fs1inc.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","contentUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2019\/06\/web-lg-fs1-logo.png","width":1341,"height":1098,"caption":"Flagship One, Inc."},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/flagshipone","https:\/\/x.com\/theflagshipone","https:\/\/www.instagram.com\/flagship_one","https:\/\/www.youtube.com\/channel\/UC0oyKphffBM2qkJ-gKPmMXw"]},{"@type":"Person","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700","name":"FlagshipOne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/351b81e51993825aea73280c48061a7205fdd2189730ebbdee5d63894c5cebb4?s=96&d=mm&r=g","caption":"FlagshipOne"},"description":"The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.","sameAs":["https:\/\/www.fs1inc.com\/","https:\/\/www.facebook.com\/flagshipone\/","https:\/\/www.instagram.com\/flagship_one\/","https:\/\/www.linkedin.com\/company\/fs1inc"],"url":"https:\/\/www.fs1inc.com\/blog\/author\/flagship1inc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/comments?post=518979"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518979\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=518979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=518979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=518979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}