{"id":1257,"date":"2025-09-17T12:51:04","date_gmt":"2025-09-17T12:51:04","guid":{"rendered":"https:\/\/www.way.com\/ask\/?p=1257"},"modified":"2025-09-19T03:37:50","modified_gmt":"2025-09-19T03:37:50","slug":"what-is-code-p1326","status":"publish","type":"post","link":"https:\/\/www.way.com\/ask\/what-is-code-p1326\/","title":{"rendered":"What is code P1326?"},"content":{"rendered":"<p>This is a manufacturer-specific code on Kia and Hyundai. The Knock Sensor Detection System is connected to your car\u2019s engine knock sensor, which inspects the engine block\u2019s vibrations and noise. The powertrain control module (PCM) picks up the vibration signal. If the signal is considered irregular, the PCM will log this error code and turn on the check engine light.<\/p>\n<h2>What are the symptoms of the P1326 code?<\/h2>\n<p>The most common sign is an illuminated or blinking check engine light. The following are other symptoms that accompany the code.<\/p>\n<ul>\n<li>Decreased fuel economy<\/li>\n<li>Rough idle or engine stalling<\/li>\n<li>Decreased engine performance<\/li>\n<li>The car gets into limp mode<\/li>\n<li>Metallic knock from your car\u2019s engine<\/li>\n<\/ul>\n<h2>What causes the P1326 code?<\/h2>\n<p>These are common reasons why the code shows up in your car.<\/p>\n<ul>\n<li>Defective knock sensor<\/li>\n<li>Severe engine failure<\/li>\n<li>Bad electrical connection<\/li>\n<li>Outdated PCM software<\/li>\n<li>Faulty ignition coil or damaged spark plugs<\/li>\n<li>Damaged or clogged oil control valve<\/li>\n<li>Severe engine failure<\/li>\n<\/ul>\n<figure id=\"attachment_1288\" aria-describedby=\"caption-attachment-1288\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1288\" src=\"https:\/\/www.way.com\/ask\/wp-content\/uploads\/2025\/09\/P1326.jpg\" alt=\"P1326 code\" width=\"1000\" height=\"715\" \/><figcaption id=\"caption-attachment-1288\" class=\"wp-caption-text\"><em>Image by <a href=\"https:\/\/www.freepik.com\/premium-photo\/mechanic-is-scanning-electric-engine-trouble-ev-electric-vehicle-by-hud-digital-display-tool-engine-compartment-ev-car-technology-concept_47035293.htm#fromView=search&amp;page=1&amp;position=30&amp;uuid=e8d0e15f-68d8-4c92-9641-917fbc55c604&amp;query=obd+scan+tool\" target=\"_blank\" rel=\"noopener\">Blkstudio\/Freepik<\/a><\/em><\/figcaption><\/figure>\n<h2>How to fix code P1326\u200b<\/h2>\n<p>These are some typical steps you can follow to fix this engine code.<\/p>\n<ul>\n<li>Replace the faulty knock sensor<\/li>\n<li>Repair the broken or loose electrical connections to knock out the sensor circuit<\/li>\n<li>Repair or replace the damaged PCM<\/li>\n<li>Fixing the shorted or opened harness<\/li>\n<\/ul>\n<h2>How much does it cost to fix code P1326?<\/h2>\n<p>The repair cost may vary based on the type of repair or replacement required. For instance, if the code triggers due to a defective knock sensor, it will cost between $150 and $450 to replace it. The following are the other estimated repair costs.<\/p>\n<ul>\n<li>Update PCM &#8211; $0-$450<\/li>\n<li>Change connection to knock sensor circuit \u2013 $50-$550<\/li>\n<li>Replace\/repair defective engine \u2013 $1,500-$10,000<\/li>\n<\/ul>\n<h2>Is the P1326 code serious?<\/h2>\n<p><strong>Yes, the code is ideally a serious one. The code implies a severe issue with your car\u2019s engine. Driving with this code can lead to potential engine damage.<\/strong> So, we recommend that you take the car to a skilled mechanic and resolve the issue quickly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a manufacturer-specific code on Kia and Hyundai. The Knock Sensor Detection System is connected to your car\u2019s engine knock sensor, which inspects the engine block\u2019s vibrations and noise. The powertrain control module (PCM) picks up the vibration signal. If the signal is considered irregular, the PCM will log this error code and turn&hellip; <a class=\"more-link\" href=\"https:\/\/www.way.com\/ask\/what-is-code-p1326\/\">Continue reading <span class=\"screen-reader-text\">What is code P1326?<\/span><\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1257","post","type-post","status-publish","format-standard","hentry","category-car-repair-maintenance","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is code P1326?<\/title>\n<meta name=\"description\" content=\"What does code P1326 mean? What causes this engine code to log? What are its signs? Can you drive with this code? 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