{"id":518993,"date":"2025-12-11T04:14:45","date_gmt":"2025-12-11T09:14:45","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/"},"modified":"2025-12-11T04:14:45","modified_gmt":"2025-12-11T09:14:45","slug":"dtc-u0011-medium-speed-can-communication-bus-performance","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/","title":{"rendered":"U0011 Code Symptoms, Diagnosis, Repair Costs &#038; Safety Tips Guide"},"content":{"rendered":"<div class=\"container\">\n<section class=\"hero\">\n<div class=\"code-badge\">U0011<\/div>\n<h1>U0011 Code Symptoms, Diagnosis, Repair Costs &amp; Safety Tips Guide<\/h1>\n<p class=\"hero-subtitle\">\n<\/section>\n<div class=\"quick-summary\">\n<h2>Quick Summary<\/h2>\n<ul>\n<li>U0011 = Medium\u2011Speed CAN Communication Bus Performance fault. <\/li>\n<li>Typical signs: flickering dash lights, non\u2011functioning power\u2011door locks, erratic interior illumination. <\/li>\n<li>Root causes: excessive bus errors, improper termination, damaged wiring, corrupted module firmware. <\/li>\n<li>Diagnosis: scan tool data stream, bus\u2011voltage test, module communication check, error\u2011counter review. <\/li>\n<li>Replacement: VIN\u2011matched control module programmed by Flagship One is often the most reliable fix. <\/li>\n<\/ul>\n<\/div>\n<p>Drivers first notice a U0011 fault when the vehicle\u2019s body\u2011control functions behave inconsistently. The instrument cluster may flash or dim, power\u2011door lock actuators may fail to respond, and interior lamps can turn on and off without driver input. In some cases the warning light for \u201cCAN Bus\u201d or a generic \u201cCommunication\u201d code appears on the dash. Because the medium\u2011speed CAN network links the BCM, TCM, instrument cluster, and other comfort modules, any interruption quickly shows up as a loss of function rather than an engine\u2011performance problem. Early identification prevents a cascade of secondary faults that can require multiple module replacements. <\/p>\n<h2>Symptoms <\/h2>\n<ul>\n<li><strong>Flickering or dimming dash\u2011panel illumination<\/strong> \u2013 segments of the display fade in and out. <\/li>\n<li><strong>Power\u2011door lock failure<\/strong> \u2013 remote\u2011lock\/unlock commands are ignored or work intermittently. <\/li>\n<li><strong>Erratic interior lighting<\/strong> \u2013 dome light or courtesy lights turn on\/off randomly. <\/li>\n<li><strong>Intermittent warning lamp<\/strong> \u2013 a \u201cCAN Bus\u201d or \u201cCommunication\u201d indicator may flash or stay solid. <\/li>\n<li><strong>Loss of non\u2011critical body functions<\/strong> \u2013 side\u2011mirror heating, seat\u2011heater switches, or window\u2011control buttons may stop responding. <\/li>\n<\/ul>\n<p>These symptoms appear suddenly, often after the vehicle has been parked for a while, and may resolve temporarily after a restart, indicating a communication\u2011bus issue rather than a mechanical failure. <\/p>\n<h2>Why This Happens <\/h2>\n<h3>Excessive Bus Errors or Latency <\/h3>\n<p>The medium\u2011speed CAN bus operates at 250 kbps, carrying data for body\u2011control modules. If error frames exceed the threshold set by the network controller, the bus is flagged as \u201cperformance degraded.\u201d Common triggers are electromagnetic interference from aftermarket accessories or a module that repeatedly transmits malformed frames. <\/p>\n<h3>Improper or Corroded Termination <\/h3>\n<p>Each CAN segment requires 120 \u03a9 termination at both ends. A missing, damaged, or corroded resistor creates reflections that increase error rates and latency. Vehicles with repaired harnesses or aftermarket wiring are especially prone to termination problems. <\/p>\n<h3>Wiring Harness Damage or Connector Corrosion <\/h3>\n<p>Frayed wires, broken conductors, or water\u2011intruded connectors introduce resistance spikes and intermittent open circuits. Even a single compromised pin in a multi\u2011pin CAN connector can corrupt the data stream enough to generate a U0011 code. <\/p>\n<h3>Module Firmware Corruption or Internal Failure <\/h3>\n<p>Control modules store the CAN\u2011controller firmware in flash memory. Power\u2011surge events, improper flashing, or age\u2011related memory degradation can corrupt this firmware, causing the module to mis\u2011manage bus timing and generate error frames. When the fault persists after wiring checks, the offending module may need reprogramming or replacement. <\/p>\n<h2>Diagnostic and Repair Procedures <\/h2>\n<ol>\n<li><strong>Retrieve Full DTC Set<\/strong> \u2013 Use a factory\u2011level scan tool (e.g., Bosch KTS, Snap\u2011On Solus) to read the U0011 code and any related CAN\u2011bus counters (e.g., \u201cCAN Bus Error Count\u201d). Note which modules report the fault.\n<\/li>\n<li><strong>Inspect Physical Bus<\/strong> \u2013 Locate the medium\u2011speed CAN harness (usually a twisted\u2011pair shielded cable). Verify that both ends of the segment have a 120 \u03a9 resistor; measure with a multimeter set to resistance. Replace any missing or out\u2011of\u2011tolerance terminations.\n<\/li>\n<li><strong>Check Connectors<\/strong> \u2013 Disconnect each connector on the bus, examine pins for corrosion, bent contacts, or broken strands. Clean with contact\u2011cleaner and reseat.\n<\/li>\n<li><strong>Voltage and Continuity Test<\/strong> \u2013 With the ignition ON, measure bus voltage (typically 2.5 V idle). Verify continuity between the two CAN pins on each module; any open circuit indicates a harness fault.\n<\/li>\n<li><strong>Monitor Live Data Stream<\/strong> \u2013 Using the scan tool\u2019s \u201cCAN Bus Monitor,\u201d watch for error frames, arbitration loss, or high latency spikes. A sustained error rate above the manufacturer\u2019s limit confirms a performance issue.\n<\/li>\n<li><strong>Module Re\u2011programming<\/strong> \u2013 If the bus hardware checks out, reflash the firmware of the suspect module(s) using the manufacturer\u2019s calibration software. Re\u2011initialize the CAN network after flashing.\n<\/li>\n<li><strong>Module Replacement<\/strong> \u2013 Should re\u2011programming not clear the error counters, the module\u2019s CAN controller is likely damaged. Replace the affected module with a VIN\u2011matched unit and have it programmed to the vehicle\u2019s specifications.\n<\/li>\n<\/ol>\n<p><strong>Cost considerations<\/strong> \u2013 Diagnostic time averages 1.5\u20132 hours ($150\u2011$250 labor). Re\u2011programming typically costs $100\u2011$150 in addition to any required software license fees. When a module must be replaced, parts range $600\u2011$900 and labor $200\u2011$300, depending on the vehicle\u2019s architecture. <\/p>\n<h2>When Replacement Makes 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 medium\u2011speed CAN bus continues to report performance degradation after thorough wiring inspection and firmware re\u2011flash, the internal CAN controller of the implicated module is likely compromised. Repeated repair attempts on a damaged board rarely restore long\u2011term reliability; the error counters will reset, only to fill again under normal operation. <\/p>\n<p>Modern control modules are tightly integrated with security, immobilizer, and vehicle\u2011network protocols. Choosing a replacement isn\u2019t only about hardware\u2014it\u2019s about ensuring the new unit is correctly programmed to the vehicle\u2019s VIN and software version. <strong>Flagship One specializes in VIN\u2011matched control modules, providing a plug\u2011and\u2011drive solution backed by a warranty.<\/strong> Their inventory includes fully tested, factory\u2011calibrated units that can be shipped directly to a qualified shop, minimizing downtime and guaranteeing compatibility across the entire CAN network. <\/p>\n<h2>Preventive Maintenance <\/h2>\n<ul>\n<li><strong>Seal and protect CAN connectors<\/strong> \u2013 Apply dielectric grease to prevent moisture ingress, especially on vehicles exposed to road salt or humidity. <\/li>\n<li><strong>Avoid aftermarket accessories that draw high current from the CAN harness<\/strong> \u2013 Improperly powered devices can introduce voltage spikes that corrupt bus communication. <\/li>\n<li><strong>Periodically inspect the harness for abrasion<\/strong> \u2013 Pay special attention to areas near suspension components or steering columns where flexing can wear insulation. <\/li>\n<li><strong>Schedule regular scan\u2011tool checks<\/strong> \u2013 A bi\u2011annual diagnostic scan can catch rising error counters before they trigger a U0011 code, allowing early corrective action. <\/li>\n<li><strong>Maintain proper battery voltage<\/strong> \u2013 Extreme low or high voltage can stress CAN transceivers; keep the charging system within the manufacturer\u2019s specified range (13.5\u201114.7 V).<\/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>Lights, windows lock issues on your vehicle? U0011 Medium Speed CAN Communication Bus Performance issue can affect\u2014scan bus, reprogram or replace module.<\/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-518993","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>U0011 Code Symptoms, Diagnosis, Repair Costs &amp; Safety Tips 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-u0011-medium-speed-can-communication-bus-performance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"U0011 Code Symptoms, Diagnosis, Repair Costs &amp; Safety Tips Guide - Flagship One Blog\" \/>\n<meta property=\"og:description\" content=\"Lights, windows lock issues on your vehicle? U0011 Medium Speed CAN Communication Bus Performance issue can affect\u2014scan bus, reprogram or replace module.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/\" \/>\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=\"2025-12-11T09:14:45+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-u0011-medium-speed-can-communication-bus-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/\"},\"author\":{\"name\":\"FlagshipOne\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#\\\/schema\\\/person\\\/a3cf463514bd03eb7656953ef8f75700\"},\"headline\":\"U0011 Code Symptoms, Diagnosis, Repair Costs &#038; Safety Tips Guide\",\"datePublished\":\"2025-12-11T09:14:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/\"},\"wordCount\":1069,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/#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-u0011-medium-speed-can-communication-bus-performance\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/\",\"url\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/\",\"name\":\"U0011 Code Symptoms, Diagnosis, Repair Costs & Safety Tips Guide - Flagship One Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/fs1inc_logo2-scaled.jpg\",\"datePublished\":\"2025-12-11T09:14:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/dtc-u0011-medium-speed-can-communication-bus-performance\\\/#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-u0011-medium-speed-can-communication-bus-performance\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.fs1inc.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"U0011 Code Symptoms, Diagnosis, Repair Costs &#038; Safety Tips 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":"U0011 Code Symptoms, Diagnosis, Repair Costs & Safety Tips 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-u0011-medium-speed-can-communication-bus-performance\/","og_locale":"en_US","og_type":"article","og_title":"U0011 Code Symptoms, Diagnosis, Repair Costs & Safety Tips Guide - Flagship One Blog","og_description":"Lights, windows lock issues on your vehicle? U0011 Medium Speed CAN Communication Bus Performance issue can affect\u2014scan bus, reprogram or replace module.","og_url":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/","og_site_name":"Flagship One Blog","article_publisher":"https:\/\/www.facebook.com\/flagshipone","article_author":"https:\/\/www.facebook.com\/flagshipone\/","article_published_time":"2025-12-11T09:14:45+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-u0011-medium-speed-can-communication-bus-performance\/#article","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/"},"author":{"name":"FlagshipOne","@id":"https:\/\/www.fs1inc.com\/blog\/#\/schema\/person\/a3cf463514bd03eb7656953ef8f75700"},"headline":"U0011 Code Symptoms, Diagnosis, Repair Costs &#038; Safety Tips Guide","datePublished":"2025-12-11T09:14:45+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/"},"wordCount":1069,"commentCount":0,"publisher":{"@id":"https:\/\/www.fs1inc.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/#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-u0011-medium-speed-can-communication-bus-performance\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/","url":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/","name":"U0011 Code Symptoms, Diagnosis, Repair Costs & Safety Tips Guide - Flagship One Blog","isPartOf":{"@id":"https:\/\/www.fs1inc.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/#primaryimage"},"image":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fs1inc.com\/blog\/wp-content\/uploads\/2025\/12\/fs1inc_logo2-scaled.jpg","datePublished":"2025-12-11T09:14:45+00:00","breadcrumb":{"@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fs1inc.com\/blog\/dtc-u0011-medium-speed-can-communication-bus-performance\/#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-u0011-medium-speed-can-communication-bus-performance\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fs1inc.com\/blog\/"},{"@type":"ListItem","position":2,"name":"U0011 Code Symptoms, Diagnosis, Repair Costs &#038; Safety Tips 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\/518993","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=518993"}],"version-history":[{"count":0,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/posts\/518993\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/media?parent=518993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/categories?post=518993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs1inc.com\/blog\/wp-json\/wp\/v2\/tags?post=518993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}