{"id":518512,"date":"2025-12-10T20:41:24","date_gmt":"2025-12-11T01:41:24","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/"},"modified":"2025-12-10T20:41:24","modified_gmt":"2025-12-11T01:41:24","slug":"dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/","title":{"rendered":"P2529 Code Symptoms, Causes, Diagnosis &#038; Comprehensive Repair Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">P2529<\/div>\n<h1>P2529 Code Symptoms, Causes, Diagnosis &amp; Comprehensive Repair Guide<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>P2529 = Vacuum Reservoir Pressure Sensor circuit intermittent. <\/li>\n<li>Intermittent sensor signal causes the PCM to see fluctuating vacuum pressure. <\/li>\n<li>Common signs: rough idle, stalling on deceleration, reduced power, illuminated \u201cCheck Engine\u201d light. <\/li>\n<li>Diagnosis focuses on sensor wiring, connector integrity, and PCM communication. <\/li>\n<li>Replacement of the PCM (or re\u2011programming) is often the most reliable fix; Flagship One provides VIN\u2011matched, pre\u2011programmed units. <\/li>\n<\/ul>\n<\/div>\n<p>Drivers typically notice a rough\u2011idle condition that worsens when the throttle is released, occasional stalling during deceleration, and a noticeable loss of low\u2011end power. The Check Engine light usually flashes or stays on, and the vehicle may exhibit a momentary hesitation before the engine settles. Because the fault is tied to the vacuum\u2011reservoir pressure sensor circuit, the power\u2011train control module (PCM) receives erratic vacuum data, which it uses to adjust fuel delivery and ignition timing. Early detection prevents prolonged drivability problems and protects the PCM from repeated stress.<\/p>\n<h2>Symptoms <\/h2>\n<ul>\n<li><strong>Rough or uneven idle<\/strong> that fluctuates as the engine warms. <\/li>\n<li><strong>Stalling when the vehicle slows or comes to a stop<\/strong> without pressing the brake. <\/li>\n<li><strong>Reduced acceleration or \u201clack of power\u201d<\/strong> especially at low RPMs. <\/li>\n<li><strong>Check Engine light (P2529) illuminated<\/strong>; may be accompanied by other vacuum\u2011related codes. <\/li>\n<li><strong>Occasional hesitation<\/strong> that disappears after the engine settles. <\/li>\n<\/ul>\n<p>These signs appear intermittently because the sensor\u2019s signal is not steady; the PCM reacts each time the data drops out.<\/p>\n<h2>Why This Happens <\/h2>\n<h3>Intermittent Sensor Signal <\/h3>\n<p>The vacuum\u2011reservoir pressure sensor measures the pressure in the brake\u2011boost or intake\u2011vacuum reservoir. Internal circuitry can develop micro\u2011cracks or contamination that cause the output voltage to drop out sporadically. When the PCM receives a gap in the signal, it logs P2529.<\/p>\n<h3>Wiring or Connector Corrosion <\/h3>\n<p>The sensor\u2019s wiring harness runs through the engine bay where heat, moisture, and road salt accelerate corrosion. A loose pin or a cracked harness sheath creates a high\u2011resistance path, producing intermittent voltage spikes that the PCM interprets as a sensor fault.<\/p>\n<h3>PCM Communication or Software Glitch <\/h3>\n<p>Even with a healthy sensor and clean wiring, the PCM\u2019s analog\u2011to\u2011digital converter or its firmware may misinterpret the vacuum signal under certain conditions (e.g., after a recent software update). A corrupted calibration table can cause the PCM to flag the circuit as intermittent.<\/p>\n<h2>Diagnostic and Repair Procedures <\/h2>\n<ol>\n<li><strong>Scan for Codes<\/strong> \u2013 Connect a professional OBD\u2011II scanner, read P2529 and any related codes (e.g., P0500, P0100). Record freeze\u2011frame data to see engine load and vacuum values at the time of fault.\n<\/li>\n<li><strong>Visual Inspection<\/strong> \u2013 Examine the vacuum\u2011reservoir pressure sensor, its connector, and the associated wiring. Look for cracked insulation, corrosion, or water intrusion. Clean terminals with electrical contact cleaner and reseat the connector.\n<\/li>\n<li><strong>Voltage Test<\/strong> \u2013 With the ignition on, measure sensor voltage at the connector. The sensor typically outputs 0.5 V (vacuum) to 4.5 V (no vacuum). Verify that the voltage remains within spec while the engine cycles from idle to light throttle. Intermittent drops confirm a sensor or wiring issue.\n<\/li>\n<li><strong>Wiring Continuity Check<\/strong> \u2013 Using a multimeter, test continuity from the sensor connector to the PCM pin. A resistance reading above 0.1 \u03a9 indicates a damaged wire or corroded pin. Repair or replace the harness segment as needed.\n<\/li>\n<li><strong>PCM Communication Test<\/strong> \u2013 Run a PCM\u2011to\u2011sensor communication test via the scanner. If the PCM reports \u201cno response\u201d despite a good sensor voltage, the PCM\u2019s input circuit may be compromised.\n<\/li>\n<li><strong>Re\u2011programming<\/strong> \u2013 If the hardware checks out, update the PCM\u2019s software to the latest manufacturer calibration. Many intermittent\u2011sensor issues are resolved by applying a software patch that adjusts the sensor\u2019s tolerance window.\n<\/li>\n<li><strong>Replacement Decision<\/strong> \u2013 When voltage and continuity are solid but the PCM still logs P2529 after a software update, the internal analog\u2011to\u2011digital converter is likely failing. Replacing the PCM (or ECM) becomes the most reliable solution.\n<\/li>\n<\/ol>\n<p><strong>Cost Estimates<\/strong> <\/p>\n<ul>\n<li>Diagnostic scan and basic wiring test: $100\u2011$150 labor. <\/li>\n<li>Sensor replacement (if needed): $150\u2011$250 plus $80\u2011$120 labor. <\/li>\n<li>PCM re\u2011programming: $120\u2011$180 labor, often bundled with a software update. <\/li>\n<li>PCM replacement (including VIN\u2011matched unit and programming): $600\u2011$900 for the module, $200\u2011$300 labor. <\/li>\n<\/ul>\n<h2>When Replacement Makes More Sense Than Repair <\/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 repeatedly logs P2529 despite a healthy sensor, clean wiring, and updated software, the internal circuitry that processes the vacuum\u2011pressure signal is likely degraded. Continuing to repair the sensor or harness will not restore reliable communication, and intermittent failures may reappear, jeopardizing drivability.<\/p>\n<p>Modern control modules are complex and integrated with security and immobilizer systems. That&#8217;s why choosing a replacement isn&#8217;t only about the hardware\u2014it&#8217;s about correct programming and compatibility. <strong>Flagship One<\/strong> specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty. Their units arrive pre\u2011programmed to your vehicle\u2019s exact specifications, eliminating dealer\u2011only re\u2011coding delays and ensuring seamless integration with the PCM\u2019s communication network.<\/p>\n<h2>Preventive Maintenance <\/h2>\n<ul>\n<li><strong>Inspect vacuum\u2011reservoir lines<\/strong> during routine under\u2011hood checks; replace any cracked or brittle sections before they expose the sensor to moisture. <\/li>\n<li><strong>Clean connector pins<\/strong> with a brush and contact cleaner every 12 months, especially in regions with heavy road\u2011salt use. <\/li>\n<li><strong>Schedule PCM software updates<\/strong> at the manufacturer\u2019s recommended intervals; many updates include revised sensor tolerance thresholds that reduce intermittent faults. <\/li>\n<li><strong>Monitor Check Engine light<\/strong> promptly. A single flash of P2529 often precedes a full\u2011time code if the underlying issue is left unchecked. <\/li>\n<li><strong>Maintain proper engine vacuum<\/strong> by ensuring the brake\u2011boost system is free of leaks; a leaking boost valve can cause abnormal vacuum readings that stress the sensor.<\/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>Intermittent vacuum reservoir pressure sensor signal can cause brake boost loss in your vehicle \u2013 scan the circuit now to avoid compromised stopping power.<\/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-518512","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>P2529 Code Symptoms, Causes, Diagnosis &amp; Comprehensive 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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2529 Code Symptoms, Causes, Diagnosis &amp; Comprehensive Repair Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Intermittent vacuum reservoir pressure sensor signal can cause brake boost loss in your vehicle \u2013 scan the circuit now to avoid compromised stopping power.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/\" \/>\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=\"2025-12-11T01:41:24+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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"P2529 Code Symptoms, Causes, Diagnosis &#038; Comprehensive Repair Guide\",\"datePublished\":\"2025-12-11T01:41:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/\"},\"wordCount\":985,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/\",\"name\":\"P2529 Code Symptoms, Causes, Diagnosis & Comprehensive Repair Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-11T01:41:24+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"P2529 Code Symptoms, Causes, Diagnosis &#038; Comprehensive 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":"P2529 Code Symptoms, Causes, Diagnosis & Comprehensive 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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/","og_locale":"en_US","og_type":"article","og_title":"P2529 Code Symptoms, Causes, Diagnosis & Comprehensive Repair Guide - Flagship One Blog","og_description":"Intermittent vacuum reservoir pressure sensor signal can cause brake boost loss in your vehicle \u2013 scan the circuit now to avoid compromised stopping power.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-11T01:41:24+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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"P2529 Code Symptoms, Causes, Diagnosis &#038; Comprehensive Repair Guide","datePublished":"2025-12-11T01:41:24+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/"},"wordCount":985,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/","name":"P2529 Code Symptoms, Causes, Diagnosis & Comprehensive Repair Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-11T01:41:24+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#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-p2529-vacuum-reservoir-pressure-sensor-circuit-intermittent\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"P2529 Code Symptoms, Causes, Diagnosis &#038; Comprehensive 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\/518512","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=518512"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518512\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=518512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=518512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=518512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}