{"id":994875,"date":"2026-04-22T15:00:08","date_gmt":"2026-04-22T15:00:08","guid":{"rendered":"https:\/\/revonik.de\/blog"},"modified":"2026-04-22T15:00:31","modified_gmt":"2026-04-22T15:00:31","slug":"cpc3-steuergeraet-reparatur-fuer-mercedes-fehlercodes-symptome-und-teilenummern","status":"publish","type":"post","link":"https:\/\/revonik.de\/en\/blog\/cpc3-steuergeraet-reparatur-fuer-mercedes-fehlercodes-symptome-und-teilenummern","title":{"rendered":"CPC3 Steuerger\u00e4t Reparatur f\u00fcr Mercedes \u2013 Fehlercodes, Symptome &amp; Teilenummern"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"994875\" class=\"elementor elementor-994875\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-328f2263 e-con-full e-flex e-con e-parent\" data-id=\"328f2263\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-4b593d4f elementor-widget elementor-widget-text-editor\" data-id=\"4b593d4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1 class=\"text-4xl font-bold my-4\"><strong>What is the CPC3 control unit and what is it used for in trucks?<\/strong><\/h1><p class=\"my-2\">The\u00a0<strong>CPC3 (Central Powertrain Controller 3)<\/strong>\u00a0is a central control unit in\u00a0<strong>Mercedes trucks<\/strong>\u00a0like the\u00a0<strong>Actros, Atego and Axor<\/strong>. Es ist f\u00fcr die\u00a0<strong>Driving control, drive control and communication with other control units<\/strong>\u00a0responsible.<\/p><p class=\"my-2\">\ud83d\udc49\u00a0<strong>Key features of the CPC3:<\/strong><br \/>\u2705 Control of the\u00a0<strong>Motormanagements<\/strong>\u00a0(z. B. Start- und Stop-Funktion)<br \/>\u2705 Communication with\u00a0<strong>MCM, ACM and TCM<\/strong>\u00a0for smooth interaction of the vehicle control system<br \/>\u2705 Management of\u00a0<strong>CAN bus data<\/strong>\u00a0for controlling brakes, transmission and other functions<\/p><p class=\"my-2\">A defect in the CPC3 can cause serious problems \u2013 from\u00a0<strong>Initial difficulties<\/strong>\u00a0up to\u00a0<strong>Communication problems with other control units<\/strong>.<\/p><p class=\"my-2\"><strong>Common symptoms of a faulty CPC3 control unit<\/strong><\/p><p class=\"my-2\">\ud83d\ude9b\u00a0<strong>Engine problems:<\/strong>\u00a0The vehicle starts irregularly or not at all.<br \/>\ud83d\ude9b\u00a0<strong>Control unit communication disrupted:<\/strong>\u00a0No connection to MCM, ACM, TCM or CPC control units.<br \/>\ud83d\ude9b\u00a0<strong>CAN bus error:<\/strong>\u00a0Missing or faulty communication between the control units.<\/p><p class=\"my-2\"><strong>\ud83d\udca1 Tip:<\/strong>\u00a0Before removing the CPC3 control unit, be sure to read the\u00a0<strong>Error memory off<\/strong>, in order to document all error codes.<\/p><p class=\"my-2\"><strong>Typical error codes of a defective CPC3 control unit<\/strong><\/p><p class=\"my-2\">A defective CPC3 can manifest itself in various ways.\u00a0<strong>Error codes<\/strong>\u00a0bemerkbar machen. Hier eine \u00dcbersicht:<\/p><p class=\"my-2\"><strong>Direct faults in the CPC3 control unit:<\/strong><\/p><p class=\"my-2\">\ud83d\udd39\u00a0<strong>ACFFEE, ADFFEE<\/strong>\u00a0\u2013 Control unit A3 (CPC) defective<br \/>\ud83d\udd39\u00a0<strong>B60D03<\/strong>\u00a0\u2013 Short circuit to positive in component \u201cB48\u201d<br \/>\ud83d\udd39\u00a0<strong>CF040E<\/strong>\u00a0\u2013 CAN bus 4 (drive CAN) malfunction<br \/>\ud83d\udd39\u00a0<strong>EEF7ED<\/strong>\u00a0\u2013 Control unit A3 (CPC) defective<br \/>\ud83d\udd39\u00a0<strong>0BF0E4, 0DF0E4<\/strong>\u00a0\u2013 Power supply to component B1 \u2013 Short circuit to ground<br \/>\ud83d\udd39\u00a0<strong>2AF3EE<\/strong>\u00a0\u2013 Automatic switching not possible<br \/>\ud83d\udd39\u00a0<strong>6F0005<\/strong>\u00a0\u2013 Component B47 \u2013 Open circuit, short circuit to positive or ground<\/p><p class=\"my-2\"><strong>Errors outside of the CPC3 that indicate its defect:<\/strong><\/p><p class=\"my-2\">\ud83d\udd38\u00a0<strong>710202<\/strong>\u00a0\u2013 CAN signal from control unit A3 is missing (in the ACM)<br \/>\ud83d\udd38\u00a0<strong>E0FEFF<\/strong>\u00a0\u2013 CAN communication with component A3 interrupted<\/p><p class=\"my-2\"><strong>Do you have any other error codes?<\/strong>\u00a0\ud83d\udcde\u00a0<strong>Contact us \u2013 we're here to help!<\/strong><\/p><p class=\"my-2\"><strong>Which Mercedes models are affected?<\/strong><\/p><p class=\"my-2\">The\u00a0<strong>CPC3 control unit<\/strong>\u00a0kommt in vielen Nutzfahrzeugen und LKWs von Mercedes zum Einsatz. Besonders betroffen sind:<\/p><p class=\"my-2\">\ud83d\ude9a\u00a0<strong>Atego<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Actros<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Axor<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Antos<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Arocs<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Citaro<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Econic<\/strong><br \/>\ud83d\ude9a\u00a0<strong>Unimog<\/strong><\/p><p class=\"my-2\">Ihr Modell ist nicht aufgelistet? \ud83d\udc49\u00a0<strong>Contact us \u2013 we will review your repair request!<\/strong><\/p><p class=\"my-2\"><strong>Typical part numbers for CPC3 control units<\/strong><\/p><p class=\"my-2\">Following\u00a0<strong>Part numbers<\/strong>\u00a0are frequently affected and can be repaired:<\/p><p class=\"my-2\">\ud83d\udd39<strong>A0034462802, A0034462902, A0034463002, A0034463102<\/strong><br \/>\ud83d\udd39<strong>A0034466002, A0034466102, A0034466302, A0034466402<\/strong><br \/>\ud83d\udd39<strong>A0034466502, A0034467002, A0034467102, A0034467202<\/strong><br \/>\ud83d\udd39<strong>A0034467302, A0034467402, A0034467502, A0034467602<\/strong><br \/>\ud83d\udd39<strong>A0034467702, A0044464702, A0044464802, A0044465602<\/strong><br \/>\ud83d\udd39<strong>A0044465702, A0044465802, A0044467702<\/strong><\/p><p class=\"my-2\">Nicht sicher, ob Ihr Steuerger\u00e4t betroffen ist? \ud83d\udce9\u00a0<strong>Send us the part number \u2013 we'll check it for you!<\/strong><\/p><p class=\"my-2\"><strong>Why repair instead of replace?<\/strong><\/p><p class=\"my-2\">\u2705\u00a0<strong>Cost savings<\/strong>\u00a0\u2013 Significantly cheaper than a new control unit<br \/>\u2705\u00a0<strong>Express-Service<\/strong>\u00a0\u2013 Schnelle Diagnose &amp; Reparatur<br \/>\u2705\u00a0<strong>Sustainability<\/strong>\u00a0\u2013 Environmentally friendly alternative to new parts<br \/>\u2705\u00a0<strong>2-year warranty<\/strong>\u00a0\u2013 H\u00f6chste Qualit\u00e4t &amp; Zuverl\u00e4ssigkeit<\/p><p class=\"my-2\"><strong>FAQ \u2013 Frequently Asked Questions about CPC3 Control Unit Repair<\/strong><\/p><p class=\"my-2\"><strong>\u2753 What are the symptoms of a defective CPC3 control unit?<\/strong><br \/>\ud83d\udd39 Engine starts sporadically or not at all<br \/>\ud83d\udd39 Communication errors with other control units<br \/>\ud83d\udd39 CAN-Bus-Probleme<\/p><p class=\"my-2\"><strong>\u2753 Which Mercedes models are affected?<\/strong><br \/>\u2705<strong>Atego, Actros, Axor, Antos, Arocs, Citaro, Econic, Unimog<\/strong><\/p><p class=\"my-2\"><strong>\u2753 Which error codes indicate a defective CPC3?<\/strong><br \/>\u2705\u00a0<strong>ACFFEE, ADFFEE, CF040E, EEF7ED, 710202, E0FEFF<\/strong><\/p><p class=\"my-2\"><strong>\u2753 How long will the repair take?<\/strong><br \/>\u2705\u00a0<strong>Express service \u2013 usually within a few working days<\/strong><\/p><p class=\"my-2\">\u00a0<\/p><p class=\"my-2\"><strong>Schedule an appointment now!<\/strong><\/p><p class=\"my-2\">Ein fehlerhaftes ABS-System kann Ihre Sicherheit gef\u00e4hrden. Lassen Sie Ihr\u00a0<strong>ABS-Steuerger\u00e4t &amp; den Hydraulikblock<\/strong>\u00a0repaired by our experts.<\/p><p class=\"my-2\"><strong>Schedule an appointment now!<\/strong><\/p><p class=\"my-2\">Ein fehlerhaftes ABS-System kann Ihre Sicherheit gef\u00e4hrden. Lassen Sie Ihr ABS-Steuerger\u00e4t und den Hydraulikblock von\u00a0<strong>our experts<\/strong>\u00a0professional repair.<\/p><p class=\"my-2\">\ud83d\udcde\u00a0<strong>Kontaktieren Sie uns noch heute! 02273 99 164 24<\/strong><\/p><p class=\"my-2\">\ud83d\udccd\u00a0<strong>Workshop address:<\/strong>\u00a0Revonik GmbH Bodelschwinghstra\u00dfe 27, 50170 Kerpen<br \/>\ud83d\udce7\u00a0<strong>E-mail:<\/strong>\u00a0info@revonik.de<br \/>\ud83c\udf0d\u00a0<strong>Website:<\/strong>\u00a0revonik.de<\/p><p class=\"my-2\"><strong>\ud83d\ude9b Zuverl\u00e4ssige Reparatur f\u00fcr CPC3-Steuerger\u00e4te \u2013 Schnell, sicher &amp; preiswert! \ud83d\udd27<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Was ist das CPC3 Steuerger\u00e4t und wof\u00fcr wird es im LKW verwendet? Das\u00a0CPC3 (Central Powertrain Controller 3)\u00a0ist ein zentrales Steuerger\u00e4t in\u00a0Mercedes-LKWs\u00a0wie dem\u00a0Actros, Atego und Axor. Es ist f\u00fcr die\u00a0Fahrregelung, Antriebssteuerung und Kommunikation mit anderen Steuerger\u00e4ten\u00a0zust\u00e4ndig. \ud83d\udc49\u00a0Wichtige Funktionen des CPC3:\u2705 Steuerung des\u00a0Motormanagements\u00a0(z. B. Start- und Stop-Funktion)\u2705 Kommunikation mit\u00a0MCM, ACM und TCM\u00a0f\u00fcr reibungsloses Zusammenspiel der Fahrzeugsteuerung\u2705 Verwaltung&#8230;<\/p>","protected":false},"author":1,"featured_media":994876,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12719],"tags":[],"class_list":["post-994875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ratgeber-wissen"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.6 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CPC3 Steuerger\u00e4t Reparatur f\u00fcr Mercedes \u2013 Fehlercodes, Symptome &amp; Teilenummern - Revonik<\/title>\n<meta name=\"description\" content=\"CPC3 Steuerger\u00e4t defekt? Motor startet nicht? 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