{"id":519376,"date":"2025-12-11T10:20:22","date_gmt":"2025-12-11T15:20:22","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/"},"modified":"2025-12-11T10:20:22","modified_gmt":"2025-12-11T15:20:22","slug":"dtc-u0431-invalid-data-received-from-body-control-module","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/","title":{"rendered":"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">U0431<\/div>\n<h1>U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>**U0431 definition:** Invalid data received from Body Control Module A (BCM A). <\/li>\n<li>**Typical signs:** Interior lights flicker or stay off, power windows or door\u2011lock actuators don\u2019t respond, BCM\u2011related warning lamp illuminates; engine and drivetrain operate normally. <\/li>\n<li>**Root causes:** Corroded CAN\u2011bus wiring, loose BCM connectors, voltage spikes, faulty BCM A, or a PCM that cannot interpret the BCM signal. <\/li>\n<li>**Diagnostic path:** Scan for U0431, verify CAN\u2011bus integrity, perform bidirectional communication tests on the BCM and PCM, and check power\/ground supplies. <\/li>\n<li>**Repair vs. replace:** When the BCM shows internal board damage, repeated communication failures, or repair costs exceed $300, a VIN\u2011matched replacement from Flagship One is the most reliable solution.<\/li>\n<\/ul>\n<\/div>\n<h3>Introduction<\/h3>\n<p>Drivers who encounter a BCM\u2011related warning light often notice that interior lighting, power windows, or door\u2011lock functions stop working while the engine runs without trouble. The diagnostic trouble code U0431\u2014*Invalid Data Received From Body Control Module A*\u2014pinpoints a communication breakdown between the Powertrain Control Module (PCM) and Body Control Module A. Because the PCM relies on correctly formatted data from the BCM to activate body\u2011function relays, any corruption or loss of data triggers the code. Early identification prevents loss of convenience features and avoids a cascade of secondary faults that can arise when the BCM repeatedly retries communication.<\/p>\n<h2>Symptoms<\/h2>\n<ul>\n<li>Interior dome or map lights remain dark or flash erratically. <\/li>\n<li>Power windows stall or move only partially; the \u201cwindow\u2011lock\u201d button may be unresponsive. <\/li>\n<li>Door\u2011lock actuators fail to lock or unlock; the \u201clock\u2011unlock\u201d indicator on the dash stays illuminated. <\/li>\n<li>A BCM\u2011related warning icon (often a car\u2011body silhouette or \u201cBCM\u201d label) appears in the instrument cluster. <\/li>\n<li>No check\u2011engine light, no loss of power, and no drivability issues\u2014engine speed, acceleration, and transmission shifts feel normal.<\/li>\n<\/ul>\n<p>These signs appear suddenly or develop gradually as the communication error worsens. Because the PCM still controls the engine, drivers may underestimate the seriousness of the fault until multiple body functions become unavailable.<\/p>\n<h2>Why This Happens<\/h2>\n<h3>Corroded or Damaged CAN\u2011Bus Wiring<\/h3>\n<p>The CAN (Controller Area Network) bus carries high\u2011speed data between the PCM and BCM. Moisture intrusion, rodent damage, or abrasion can create resistance or short circuits that distort the signal. When the PCM reads a corrupted frame, it registers \u201cinvalid data\u201d and stores U0431.<\/p>\n<h3>Loose or Mis\u2011aligned BCM Connectors<\/h3>\n<p>BCM A uses a primary connector for power, ground, and CAN\u2011high\/low lines. Vibration, improper installation, or repeated removal of the module can loosen pins. A pin that fails to make contact will drop the bus voltage, causing the PCM to receive incomplete frames.<\/p>\n<h3>Voltage Spikes or Ground Shifts<\/h3>\n<p>Sudden spikes from the alternator regulator or a weak battery ground can momentarily raise bus voltage beyond the 5 V tolerance. The PCM\u2019s error\u2011checking logic flags the out\u2011of\u2011range voltage as invalid data.<\/p>\n<h3>Faulty Body Control Module A<\/h3>\n<p>Internal component failure\u2014such as a cracked PCB trace, failed microcontroller, or burned MOSFET\u2014prevents the BCM from formatting data correctly. Even with perfect wiring, the PCM will log U0431 if the BCM cannot generate a valid CAN frame.<\/p>\n<h3>PCM Communication Firmware Glitch<\/h3>\n<p>Rarely, the PCM\u2019s CAN\u2011controller firmware may become corrupted, causing it to misinterpret otherwise correct data. A reflash of the PCM\u2019s software can resolve the issue without touching the BCM.<\/p>\n<h2>Diagnostic and Repair Procedures<\/h2>\n<ol>\n<li><strong>Retrieve the code<\/strong> with a professional OBD\u2011II scanner that supports body\u2011module diagnostics. Confirm that U0431 is the only active BCM\u2011related code.\n<\/li>\n<li><strong>Verify power and ground<\/strong> at the BCM connector (12 V constant, 0 V ground). Low voltage (&lt; 11 V) indicates a supply problem that must be corrected before further testing.\n<\/li>\n<li><strong>Conduct a CAN\u2011bus continuity test.<\/strong> Measure resistance between CAN\u2011high and CAN\u2011low on both the PCM and BCM sides; it should be roughly 60 \u03a9. Any deviation suggests a wiring fault.\n<\/li>\n<li><strong>Perform a bidirectional communication test.<\/strong> Use the scanner\u2019s \u201cRead Data Stream\u201d function to request a status frame from the BCM. If the PCM reports \u201cno response\u201d or \u201cinvalid data,\u201d the fault lies in the BCM or the bus.\n<\/li>\n<li><strong>Inspect connectors<\/strong> visually and with a borescope. Look for corrosion, bent pins, or broken retaining clips. Clean with electrical contact cleaner and reseat firmly.\n<\/li>\n<li><strong>Check for voltage spikes.<\/strong> An oscilloscope set to capture the CAN\u2011high line can reveal transient spikes exceeding 5 V. If spikes are present, inspect the alternator regulator and battery grounding straps.\n<\/li>\n<li><strong>Reflash the PCM<\/strong> (and optionally the BCM) with the latest manufacturer software. Many manufacturers release updates that tighten CAN\u2011frame validation and can cure intermittent U0431 occurrences.\n<\/li>\n<li><strong>Replace the BCM<\/strong> only after confirming that wiring, connectors, and PCM firmware are sound. A new BCM must be programmed to the vehicle\u2019s VIN and calibrated to match existing body\u2011function parameters.\n<\/li>\n<\/ol>\n<p><strong>Cost outlook:<\/strong> <\/p>\n<ul>\n<li>Scan tool rental or shop scan: $50\u2011$100. <\/li>\n<li>Wiring repair (if needed): $150\u2011$300 for labor and connectors. <\/li>\n<li>PCM reflash: $120\u2011$180 labor (parts usually covered by the dealer). <\/li>\n<li>BCM replacement (including programming): $600\u2011$900 for the module plus $200\u2011$300 labor.<\/li>\n<\/ul>\n<h2>When BCM 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 diagnostic steps reveal a cracked PCB, burned MOSFETs, or repeated communication failures after connector cleaning, repair attempts become temporary fixes. Repair costs for a BCM can exceed $300, and the likelihood of a second failure within a year is high. In such cases, a plug\u2011and\u2011drive replacement eliminates the guesswork.<\/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 specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by warranty.<\/strong> Replacement units vary depending on production date and software version, so the correct module is matched by VIN before programming. A VIN\u2011programmed BCM arrives pre\u2011configured to your vehicle\u2019s specifications, reducing installation time and eliminating the need for post\u2011install coding at the dealership.<\/p>\n<p>Benefits of a Flagship One replacement:<\/p>\n<ul>\n<li><strong>Guaranteed VIN compatibility<\/strong> ensures the BCM communicates flawlessly with the PCM and other body modules. <\/li>\n<li><strong>Pre\u2011programmed software<\/strong> eliminates the risk of mismatched calibration files. <\/li>\n<li><strong>Lifetime warranty<\/strong> covers defects in the module and programming errors, providing peace of mind. <\/li>\n<li><strong>Plug\u2011and\u2011drive design<\/strong> allows a qualified technician to install the unit in 1\u20112 hours, minimizing labor costs.<\/li>\n<\/ul>\n<p>When the BCM shows internal damage or when repeated communication errors persist after thorough wiring and PCM checks, opting for a Flagship One replacement is the most reliable path to restoring full body\u2011function operation.<\/p>\n<h2>Preventive Maintenance<\/h2>\n<ul>\n<li><strong>Protect CAN\u2011bus wiring<\/strong> by routing harnesses away from heat sources and moving parts. Use conduit in high\u2011vibration areas. <\/li>\n<li><strong>Inspect connector seals<\/strong> during routine service (every 12 000 mi). Replace corroded terminals before they cause intermittent contact. <\/li>\n<li><strong>Maintain battery health<\/strong> and ensure ground straps are clean and tight; a stable 12 V system reduces voltage\u2011spike risk. <\/li>\n<li><strong>Apply dielectric grease<\/strong> to BCM pins when reinstalling the module to prevent moisture ingress. <\/li>\n<li><strong>Schedule periodic software updates<\/strong> for the PCM and BCM. Manufacturers release CAN\u2011bus refinements that address rare framing issues. <\/li>\n<\/ul>\n<p>By keeping the communication network clean and the power supply stable, you greatly reduce the chance of an invalid\u2011data condition.<\/p>\n<div class=\"cta-section\">\n<h2>VIN-Programmed Control Module Replacement<\/h2>\n<p>Flagship One provides VIN-programmed, OEM engine and powertrain control modules backed by lifetime warranty. Units arrive pre-programmed to your vehicle&#8217;s specifications for plug-and-drive installation.<\/p>\n<p><a class=\"cta-button\" href=\"https:\/\/www.fs1inc.com\/\">View Products<\/a>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Lights flicker and doors won\u2019t lock on your vehicle? U0431 means invalid data from Body Control Module A\u2014scan the BCM now to avoid loss of function.<\/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-519376","post","type-post","status-publish","format-standard","hentry","category-auto-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview - 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-u0431-invalid-data-received-from-body-control-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Lights flicker and doors won\u2019t lock on your vehicle? U0431 means invalid data from Body Control Module A\u2014scan the BCM now to avoid loss of function.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/\" \/>\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=\"2025-12-11T15:20:22+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=\"6 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-u0431-invalid-data-received-from-body-control-module\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview\",\"datePublished\":\"2025-12-11T15:20:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/\"},\"wordCount\":1244,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/#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-u0431-invalid-data-received-from-body-control-module\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/\",\"name\":\"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-11T15:20:22+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0431-invalid-data-received-from-body-control-module\\\/#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-u0431-invalid-data-received-from-body-control-module\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview\"}]},{\"@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":"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview - 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-u0431-invalid-data-received-from-body-control-module\/","og_locale":"en_US","og_type":"article","og_title":"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview - Flagship One Blog","og_description":"Lights flicker and doors won\u2019t lock on your vehicle? U0431 means invalid data from Body Control Module A\u2014scan the BCM now to avoid loss of function.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-11T15:20:22+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":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview","datePublished":"2025-12-11T15:20:22+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/"},"wordCount":1244,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/#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-u0431-invalid-data-received-from-body-control-module\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/","name":"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-11T15:20:22+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0431-invalid-data-received-from-body-control-module\/#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-u0431-invalid-data-received-from-body-control-module\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"U0431 Code Symptoms, Diagnosis, Fix Options, and Cost Overview"}]},{"@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\/519376","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=519376"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/519376\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=519376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=519376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=519376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}