{"id":519121,"date":"2025-12-11T06:23:39","date_gmt":"2025-12-11T11:23:39","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/"},"modified":"2025-12-11T06:23:39","modified_gmt":"2025-12-11T11:23:39","slug":"dtc-u0139-lost-communication-suspension-control-module-b","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/","title":{"rendered":"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">U0139<\/div>\n<h1>U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>U0139 means the primary control unit has lost communication with Suspension Control Module B. <\/li>\n<li>Drivers notice a suspension\u2011system warning lamp, limp\u2011mode ride\u2011height, altered damping, or reduced ABS\/ESC performance. <\/li>\n<li>Common causes: wiring harness damage, connector corrosion, power\u2011supply faults, module software corruption, or internal module failure. <\/li>\n<li>Diagnosis starts with a full\u2011system scan, network continuity test, and voltage check on the module\u2019s power and ground circuits. <\/li>\n<li>Replacement is often more cost\u2011effective than repair; Flagship One supplies VIN\u2011matched, pre\u2011programmed replacement modules with a warranty. <\/li>\n<\/ul>\n<\/div>\n<h3>U0139 Code Explained: Symptoms, Causes, and Repair Options<\/h3>\n<p>When the vehicle\u2019s primary control unit cannot exchange data with the rear\u2011suspension controller, the system reacts to protect handling and safety. Drivers typically see a warning lamp labeled \u201cSuspension,\u201d a sudden change to a higher ride\u2011height, firmer or softer damping than expected, and, in some models, a temporary loss of ABS or ESC assistance. The vehicle may feel \u201cloose\u201d or \u201cstiff,\u201d and the driver may notice reduced cornering confidence. These indicators appear immediately after the code is set and persist until communication is restored.<\/p>\n<h2>Symptoms<\/h2>\n<ul>\n<li><strong>Suspension\u2011system warning lamp illuminated<\/strong> on the instrument cluster. <\/li>\n<li><strong>Limp\u2011mode ride\u2011height<\/strong>: the vehicle holds a higher or lower stance than normal. <\/li>\n<li><strong>Damping changes<\/strong>: shocks feel unusually hard, soft, or inconsistent across corners. <\/li>\n<li><strong>Reduced ABS\/ESC response<\/strong>: brake\u2011assist or electronic stability may disengage or operate intermittently. <\/li>\n<li><strong>Intermittent handling feel<\/strong>: the car may wander or feel unstable during cornering, especially at higher speeds.<\/li>\n<\/ul>\n<h2>Why Communication Is Lost<\/h2>\n<h3>Wiring Harness Damage or Corrosion <\/h3>\n<p>Physical abrasion, exposure to road salt, or moisture intrusion can degrade the CAN\u2011bus wires that link the primary control unit to Suspension Control Module B. Corroded pins increase resistance, causing the bus to drop frames and trigger U0139.<\/p>\n<h3>Connector Issues <\/h3>\n<p>Loose, bent, or oxidized pins in the module\u2019s connector prevent reliable data exchange. Even a single compromised pin can interrupt the high\u2011speed communication required for real\u2011time damping control.<\/p>\n<h3>Power\u2011Supply Faults <\/h3>\n<p>The suspension module requires a stable 12 V supply and a solid ground. A weak battery, failing alternator regulator, or blown fuse can cause voltage sag, leading the module to reset or go offline.<\/p>\n<h3>Software Corruption <\/h3>\n<p>Improper reprogramming, interrupted flash updates, or a failed over\u2011the\u2011air download can leave the module\u2019s firmware in an inconsistent state, preventing it from responding to bus requests.<\/p>\n<h3>Internal Module Failure <\/h3>\n<p>Water ingress, thermal stress, or component fatigue can damage the module\u2019s microcontroller or internal CAN transceiver. Once internal circuitry fails, the module cannot acknowledge the primary controller\u2019s messages.<\/p>\n<h2>Diagnostic and Repair Procedures<\/h2>\n<ol>\n<li><strong>Read the Full Code Set<\/strong>\n<\/li>\n<\/ol>\n<p> Use a professional scan tool to capture all active and stored codes. U0139 often appears with related network codes (e.g., U0101, U0121) that point to a broader communication issue.<\/p>\n<ol>\n<li><strong>Inspect Visual Wiring and Connectors<\/strong>\n<\/li>\n<\/ol>\n<p> &#8211; Look for frayed insulation, chafed bundles, or exposed conductors. <\/p>\n<p> &#8211; Disconnect the suspension module connector; examine pins for corrosion, bent terminals, or debris. Clean with electrical contact cleaner if needed.<\/p>\n<ol>\n<li><strong>Perform CAN\u2011Bus Continuity Test<\/strong>\n<\/li>\n<\/ol>\n<p> Measure resistance between the CAN\u2011H and CAN\u2011L lines at the module and at the primary controller. Values should be around 60 \u03a9; any deviation suggests a short or open circuit.<\/p>\n<ol>\n<li><strong>Check Power and Ground<\/strong>\n<\/li>\n<\/ol>\n<p> With a multimeter, verify that the module receives at least 12.0 V (no more than 14.5 V) and that the ground reads less than 0.1 \u03a9. Voltage drops under load indicate a supply problem.<\/p>\n<ol>\n<li><strong>Network Scan for Response Time<\/strong>\n<\/li>\n<\/ol>\n<p> Using the scan tool\u2019s \u201cbus monitor,\u201d watch for the module\u2019s reply to a request. A missing or delayed response confirms loss of communication.<\/p>\n<ol>\n<li><strong>Reflash or Update Firmware<\/strong>\n<\/li>\n<\/ol>\n<p> If power, wiring, and connectors are sound, attempt a module reprogramming with the manufacturer\u2019s latest software. A successful flash often restores communication without hardware replacement.<\/p>\n<ol>\n<li><strong>Module Bench Test (if available)<\/strong>\n<\/li>\n<\/ol>\n<p> Some shops have a bench\u2011test unit that can simulate bus traffic and verify internal functionality. Failure here points to an irreparable internal fault.<\/p>\n<ol>\n<li><strong>Replace the Module<\/strong>\n<\/li>\n<\/ol>\n<p> When the bench test fails, wiring is intact, and reprogramming does not resolve the issue, replacement is the logical next step.<\/p>\n<p><strong>Cost Estimate<\/strong> <\/p>\n<ul>\n<li>Diagnostic scan and basic wiring check: $80\u2011$150. <\/li>\n<li>Reprogramming with OEM software: $120\u2011$250. <\/li>\n<li>Bench\u2011test service (if offered): $100\u2011$180. <\/li>\n<li>Replacement module (including programming): $600\u2011$900 plus $150\u2011$250 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>Repair attempts are worthwhile only when the fault is clearly external\u2014such as a corroded connector or a blown fuse. Once internal circuitry or the microcontroller is compromised, repairs become temporary fixes that often recur. Replacement eliminates the root cause and restores full functionality in a single step.<\/p>\n<p><strong>Flagship One\u2019s expertise<\/strong> <\/p>\n<p>Modern control modules are complex and integrated with security and immobilizer systems. That\u2019s why choosing a replacement isn\u2019t only about the hardware\u2014it&#8217;s about correct programming and compatibility. Flagship One specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by a warranty. Replacement units vary depending on production date and software version, so the correct module is matched by VIN before programming. A VIN\u2011programmed module arrives pre\u2011configured for your vehicle\u2019s parameters, eliminating dealer\u2011only reflash steps and reducing installation time.<\/p>\n<p><strong>Benefits of a VIN\u2011matched replacement<\/strong> <\/p>\n<ul>\n<li><strong>Exact software alignment<\/strong> with your vehicle\u2019s chassis, suspension geometry, and safety systems. <\/li>\n<li><strong>Plug\u2011and\u2011drive installation<\/strong> reduces labor to 1\u20132 hours, compared with a full re\u2011programming session. <\/li>\n<li><strong>Lifetime warranty<\/strong> protects against premature failure, giving peace of mind for the life of the vehicle. <\/li>\n<\/ul>\n<p>For older vehicles where the original module may be out of production, a Flagship One replacement provides a modern, reliable alternative that meets current safety standards.<\/p>\n<h2>Preventive Maintenance<\/h2>\n<ul>\n<li><strong>Regularly inspect suspension wiring<\/strong> for signs of wear, especially after tire rotations or suspension service. <\/li>\n<li><strong>Keep connectors dry<\/strong>; apply dielectric grease to prevent moisture intrusion in harsh climates. <\/li>\n<li><strong>Maintain battery health<\/strong>; a voltage below 12.4 V at rest can cause intermittent module resets. <\/li>\n<li><strong>Address ABS\/ESC warnings promptly<\/strong>; these systems share the same CAN network, and a fault in one area can cascade to the suspension module. <\/li>\n<li><strong>Schedule a full\u2011system scan<\/strong> at least once a year as part of routine maintenance to catch emerging communication issues before they trigger a limp\u2011mode condition.<\/li>\n<\/ul>\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>Suspension feels loose on your vehicle? Lost communication with Suspension Control Module B can compromise handling\u2014scan and have the module reprogrammed.<\/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-519121","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>U0139 Code Symptoms, Causes, Diagnosis and Repair Costs 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-u0139-lost-communication-suspension-control-module-b\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Suspension feels loose on your vehicle? Lost communication with Suspension Control Module B can compromise handling\u2014scan and have the module reprogrammed.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/\" \/>\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=\"2025-12-11T11:23:39+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-u0139-lost-communication-suspension-control-module-b\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide\",\"datePublished\":\"2025-12-11T11:23:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/\"},\"wordCount\":1083,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/#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-u0139-lost-communication-suspension-control-module-b\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/\",\"name\":\"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-11T11:23:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0139-lost-communication-suspension-control-module-b\\\/#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-u0139-lost-communication-suspension-control-module-b\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs 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":"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs 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-u0139-lost-communication-suspension-control-module-b\/","og_locale":"en_US","og_type":"article","og_title":"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide - Flagship One Blog","og_description":"Suspension feels loose on your vehicle? Lost communication with Suspension Control Module B can compromise handling\u2014scan and have the module reprogrammed.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-11T11:23:39+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-u0139-lost-communication-suspension-control-module-b\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide","datePublished":"2025-12-11T11:23:39+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/"},"wordCount":1083,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/#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-u0139-lost-communication-suspension-control-module-b\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/","name":"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-11T11:23:39+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0139-lost-communication-suspension-control-module-b\/#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-u0139-lost-communication-suspension-control-module-b\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"U0139 Code Symptoms, Causes, Diagnosis and Repair Costs 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\/519121","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=519121"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/519121\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=519121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=519121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=519121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}