{"id":1276,"date":"2026-06-12T14:57:41","date_gmt":"2026-06-12T14:57:41","guid":{"rendered":"https:\/\/ecuchiprepair.com\/8945123764-vs-8945125484-2\/"},"modified":"2026-06-30T13:12:28","modified_gmt":"2026-06-30T13:12:28","slug":"8945123764-vs-8945125484-2","status":"publish","type":"page","link":"https:\/\/ecuchiprepair.com\/en\/8945123764-vs-8945125484-2\/","title":{"rendered":"8945123764 vs 8945125484 \u2014 Don't confuse them"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1276\" class=\"elementor elementor-1276\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2afca3a6 e-flex e-con-boxed e-con e-parent\" data-id=\"2afca3a6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3558693f elementor-widget elementor-widget-text-editor\" data-id=\"3558693f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><style>\nhtml, body, #page, .site, .site-content, #content, .content-area,<br \/>\n.ast-separate-container, .ast-separate-container .ast-article-single,<br \/>\n.ast-separate-container #primary {<br \/>\n    background: #0a0a0a !important;<br \/>\n    box-shadow: none !important;<br \/>\n    border: none !important;<br \/>\n}<br \/>\n.nc-wrap {<br \/>\n    background: #0a0a0a;<br \/>\n    color: #e8e8e8;<br \/>\n    font-family: 'Segoe UI', Roboto, sans-serif;<br \/>\n    max-width: 1000px;<br \/>\n    margin: 0 auto;<br \/>\n    padding: 40px 20px;<br \/>\n    line-height: 1.6;<br \/>\n}<br \/>\n.nc-wrap h1 { color: #ff6b35; 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background: rgba(255,183,0,0.08); border-left: 5px solid #ffc107; border-radius: 8px; margin: 20px 0; color: #e8e8e8; }<br \/>\n.nc-box-buy strong { color: #fff; }<br \/>\n.nc-box-help { padding: 20px 25px; background: rgba(23,162,184,0.08); border-left: 5px solid #17a2b8; border-radius: 8px; margin: 20px 0; color: #e8e8e8; }<br \/>\n.nc-box-help strong { color: #fff; }<br \/>\n.nc-btn-buy { display: inline-block; margin-top: 12px; padding: 12px 24px; background: #28a745; color: #fff !important; text-decoration: none; border-radius: 6px; font-weight: bold; }<br \/>\n.nc-btn-wa { display: inline-block; margin-top: 12px; padding: 12px 24px; background: #25D366; color: #fff !important; text-decoration: none; border-radius: 6px; font-weight: bold; }<br \/>\n.nc-disclaimer { color: #777; font-size: 12px; border-top: 1px solid #2b2b2b; padding-top: 16px; margin-top: 30px; }<br \/>\n@media (max-width: 600px) {<br \/>\n    .nc-wrap h1 { font-size: 24px; }<br \/>\n    .nc-table th, .nc-table td { padding: 8px; font-size: 13px; }<br \/>\n}<br \/>\n<\/style><\/p><div class=\"nc-wrap\" style=\"padding-top: 10px;\"><p class=\"nc-intro\">El <strong>chip 8945125484<\/strong> y el 8945123764 son ASICs WABCO\u00ae SOP-16 de la familia 894 512 (manufactura UK, de la cadena de suministro de Continental Silao, M\u00e9xico) y conviven en la misma placa, pero hacen cosas distintas y <strong>NO son intercambiables<\/strong>.<\/p><div style=\"text-align: center; margin: 25px 0;\"><img decoding=\"async\" style=\"--smush-placeholder-width: 672px; --smush-placeholder-aspect-ratio: 672\/806;max-width: 400px; width: 100%; border-radius: 10px; border: 1px solid #333; box-shadow: 0 10px 30px rgba(0,0,0,0.6);\" data-src=\"https:\/\/ecuchiprepair.com\/wp-content\/uploads\/2026\/01\/FOTO-CHIP-ORIGINAL.jpg\" alt=\"chip 8945125484 original NOS SOP-16 WABCO EBS manufactura UK\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/div><table class=\"nc-table\"><thead><tr><th>Caracter\u00edstica<\/th><th>8945123764<\/th><th>8945125484<\/th><\/tr><\/thead><tbody><tr><td><strong>Funci\u00f3n<\/strong><\/td><td>Controlador PWM de la fuente de alimentaci\u00f3n, equivalente funcional TL494\/IL494<\/td><td>Gestor\/driver de potencia de solenoides EBS, sin equivalente comercial<\/td><\/tr><tr><td><strong>S\u00edntoma cuando falla<\/strong><\/td><td>Ra\u00edl de 5V ca\u00eddo, ECU totalmente muerta<\/td><td>Todos los solenoides sin respuesta con 24V y 5V presentes, U0100\/Blink 15<\/td><\/tr><tr><td><strong>Sustituto<\/strong><\/td><td>TL494I industrial ~$1 USD, verificar pinout antes de soldar<\/td><td>SOLO NOS original \u2014 disponible aqu\u00ed, $99 USD env\u00edo incluido<\/td><\/tr><tr><td><strong>D\u00f3nde est\u00e1<\/strong><\/td><td>Zona de fuente conmutada, junto a los drivers BTS<\/td><td>Junto a los drivers BTS<\/td><\/tr><\/tbody><\/table><h2>Chip 8945125484 vs 8945123764: diferencias clave<\/h2><p>La tabla anterior resume por qu\u00e9 el chip 8945125484 (driver de potencia) no debe confundirse con el 8945123764 (controlador PWM). Son funciones distintas en la misma placa.<\/p><h2>\u00bfC\u00f3mo saber cu\u00e1l fall\u00f3?<\/h2><ol><li>Medir 24V en conector ISO 7638.<\/li><li>Medir ra\u00edl de 5V en condensadores de la placa. <em>Sin 5V = problema en la fuente \/ 8945123764.<\/em><\/li><li>Si hay 5V presentes pero los solenoides est\u00e1n muertos = <strong>8945125484<\/strong>.<\/li><\/ol><h2>\u00bfNecesitas el ASIC correcto?<\/h2><div style=\"padding: 20px 25px; background: rgba(255,183,0,0.08); border-left: 5px solid #ffc107; border-radius: 8px; margin: 20px 0; color: #e8e8e8;\"><strong>8945125484 NOS original<\/strong> \u2014 stock disponible, $99 USD con env\u00edo incluido. No arriesgues tu reparaci\u00f3n con sustitutos gen\u00e9ricos.<br \/><a style=\"display: inline-block; margin-top: 12px; padding: 12px 24px; background: #28a745; color: #ffffff; text-decoration: none; border-radius: 6px; font-weight: bold;\" href=\"https:\/\/ecuchiprepair.com\/producto\/chip-8945125484-original-nos\/\">Comprar 8945125484 original<\/a><\/div><div style=\"padding: 20px 25px; background: rgba(23,162,184,0.08); border-left: 5px solid #17a2b8; border-radius: 8px; margin: 20px 0; color: #e8e8e8;\"><strong>\u00bfNo est\u00e1s seguro de cu\u00e1l chip falla?<\/strong> Preg\u00fantale a HERMES, nuestro asistente t\u00e9cnico (bot\u00f3n \ud83e\udd16 abajo a la derecha), o escr\u00edbenos por WhatsApp.<br \/><a style=\"display: inline-block; margin-top: 12px; padding: 12px 24px; background: #25D366; color: #ffffff; text-decoration: none; border-radius: 6px; font-weight: bold;\" href=\"https:\/\/wa.me\/525517787137?text=Hola%2C%20necesito%20ayuda%20para%20identificar%20cu%C3%A1l%20chip%20fall%C3%B3%20en%20mi%20ECU\" target=\"_blank\" rel=\"noopener\">\ud83d\udcac WhatsApp +52 55 1778 7137<\/a><\/div><p class=\"nc-disclaimer\">WABCO\u00ae es marca registrada de <a style=\"color: #777; text-decoration: underline;\" href=\"https:\/\/www.zf.com\" target=\"_blank\" rel=\"noopener\">ZF Friedrichshafen AG<\/a>. ECU Chip Repair no est\u00e1 afiliado a WABCO\/ZF. Producto compatible, no original de la marca. Componente NOS original (manufactura UK), de la cadena de suministro de Continental Silao, M\u00e9xico. Componente destinado exclusivamente a t\u00e9cnicos certificados en reparaci\u00f3n de ECU.<\/p><\/div><p><!-- FLOATING WHATSAPP BUTTON --><br \/><a id=\"wa-float-btn-nc\" style=\"position: fixed; bottom: 20px; right: 20px; width: 60px; height: 60px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(37,211,102,0.4); z-index: 9998; text-decoration: none;\" title=\"WhatsApp\" href=\"https:\/\/wa.me\/525517787137?text=Hola%2C%20necesito%20info%20del%20chip%208945125484\" target=\"_blank\" rel=\"noopener\"><br \/><br \/><\/a><\/p><p><!-- FLOATING HERMES CHAT BUTTON --><br \/><button id=\"hermes-float-btn-nc\" style=\"position: fixed; bottom: 90px; right: 20px; width: 60px; height: 60px; background: #ff6b35; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 4px 15px rgba(255,107,53,0.4); z-index: 9998; border: none; color: white; font-size: 28px;\" title=\"Preg\u00fantale a HERMES\">\ud83e\udd16<\/button><\/p><p><!-- HERMES CHAT PANEL --><\/p><div id=\"hermes-chat-panel-nc\" style=\"display: none; position: fixed; bottom: 160px; right: 20px; width: 370px; max-height: 500px; background: #111; border: 1px solid #333; border-radius: 15px; z-index: 9999; flex-direction: column; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.8);\"><div style=\"background: linear-gradient(135deg,#ff6b35,#e65100); padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; color: white;\"><span style=\"font-weight: bold; font-size: 15px;\">\ud83e\udd16 HERMES \u2014 Asistente T\u00e9cnico<\/span><br \/><button style=\"background: none; border: none; color: white; font-size: 22px; cursor: pointer; padding: 0 5px;\">\u2715<\/button><\/div><div id=\"hermes-msgs-nc\" style=\"flex: 1; overflow-y: auto; padding: 15px; min-height: 250px; max-height: 350px;\"><div style=\"margin-bottom: 12px; padding: 10px 14px; border-radius: 12px; font-size: 14px; line-height: 1.5; max-width: 85%; background: #1a1a1a; color: #ccc; border: 1px solid #333; margin-right: auto;\">Hola. Soy HERMES. \u00bfNo sabes si fall\u00f3 el 8945123764 o el 8945125484? Cu\u00e9ntame los s\u00edntomas (\u00bfhay 5V en la placa? \u00bflos solenoides responden?) y te ayudo a identificarlo.<\/div><\/div><div style=\"display: flex; border-top: 1px solid #333; padding: 10px;\"><input id=\"hermes-input-nc\" style=\"flex: 1; background: #1a1a1a; border: 1px solid #333; border-radius: 8px; padding: 10px 14px; color: #fff; font-size: 14px; outline: none;\" type=\"text\" placeholder=\"Preg\u00fantale a HERMES...\" \/><br \/><button id=\"hermes-send-nc\" style=\"background: #ff6b35; border: none; color: white; padding: 10px 16px; border-radius: 8px; margin-left: 8px; cursor: pointer; font-weight: bold; font-size: 14px;\">Enviar<\/button><\/div><\/div><p><script>\ndocument.getElementById('hermes-send-nc').addEventListener('click', async function(){\n    var inp=document.getElementById('hermes-input-nc'),msg=inp.value.trim();\n    if(!msg)return;\n    var msgs=document.getElementById('hermes-msgs-nc');\n    msgs.innerHTML+='<\/p>\n<div style=\"margin-bottom:12px;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;max-width:85%;background:#ff6b35;color:white;margin-left:auto;text-align:right;\">'+msg.replace(\/<\/g,'&lt;')+'<\/div>\n<p>';\n    inp.value='';\n    var statusDiv=document.createElement('div');statusDiv.style.cssText='margin-bottom:12px;color:#666;font-size:12px;text-align:center;';statusDiv.textContent='Conectando con HERMES...';msgs.appendChild(statusDiv);msgs.scrollTop=msgs.scrollHeight;\n    var timers=[setTimeout(function(){statusDiv.textContent='Despertando el servidor (~20s)...';},8000),setTimeout(function(){statusDiv.textContent='Sigo conectando...';},18000),setTimeout(function(){statusDiv.textContent='Casi listo...';},30000)];\n    try{\n        var ctrl=new AbortController(),tid=setTimeout(function(){ctrl.abort();},45000);\n        var r=await fetch('https:\/\/hermes-ecu.onrender.com\/api\/chat',{method:'POST',headers:{'Content-Type':'application\/json'},body:JSON.stringify({message:msg}),signal:ctrl.signal});\n        clearTimeout(tid);timers.forEach(clearTimeout);\n        var d=await r.json();statusDiv.remove();\n        var reply=d.reply||d.response||d.message||d.text||JSON.stringify(d);\n        msgs.innerHTML+='<\/p>\n<div style=\"margin-bottom:12px;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;max-width:85%;background:#1a1a1a;color:#ccc;border:1px solid #333;margin-right:auto;\">'+reply.split(\"**\").join(\"\").split(String.fromCharCode(10)).join(\"<br>\")+'<\/div>\n<p>';\n    }catch(e){\n        timers.forEach(clearTimeout);statusDiv.remove();\n        msgs.innerHTML+='<\/p>\n<div style=\"margin-bottom:12px;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;max-width:85%;background:#1a1a1a;color:#ccc;border:1px solid #ff4444;margin-right:auto;\">No se pudo conectar con HERMES. Intenta de nuevo, o cont\u00e1ctanos por <a href=\"https:\/\/wa.me\/525517787137\" target=\"_blank\" style=\"color:#25D366;\">WhatsApp: +52 55 1778 7137<\/a><\/div>\n<p>';\n    }\n    msgs.scrollTop=msgs.scrollHeight;\n});\n<\/script><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e4881ee e-flex e-con-boxed e-con e-parent\" data-id=\"e4881ee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-386c405 e-flex e-con-boxed e-con e-parent\" data-id=\"386c405\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17ca6b4 e-flex e-con-boxed e-con e-parent\" data-id=\"17ca6b4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>El chip 8945125484 y el 8945123764 son ASICs WABCO\u00ae SOP-16 de la familia 894 512 (manufactura UK, de la cadena [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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