{"product_id":"fuller-tcm-repair-service-ultrashift-autoshift","title":"Fuller TCM Repair Service | UltraShift \u0026 AutoShift","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel tutor-markdown-rendering enable-updated-hr-color\" id=\"model-response-message-contentr_ad839f615d588233\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"4\"\u003eRestore smooth, reliable shifting performance to your commercial fleet with our professional \u003cb data-path-to-node=\"4\" data-index-in-node=\"93\"\u003eEaton Fuller Transmission Control Module (TCM) Repair Service\u003c\/b\u003e. Engineered specifically for heavy-duty Eaton automated transmissions, this service delivers factory-level module rebuilds and diagnostic testing without the high price tag of purchasing a brand-new replacement controller from a dealership.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eOur specialized technicians thoroughly diagnose, repair, and bench-test your transmission computer to correct critical circuit flaws, component degradation, and shifting faults. Rather than risking your budget on an unprogrammed salvage yard unit or an expensive new module, our repair service provides a highly cost-effective alternative while safely retaining your original vehicle parameters, clutch calibrations, and fleet configurations.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eWith our expedited \u003cb data-path-to-node=\"6\" data-index-in-node=\"19\"\u003e24 to 48-hour turnaround time\u003c\/b\u003e, we prioritize getting your truck back on the road to minimize expensive operational downtime. Best of all, because your original physical module is completely rebuilt and updated, it will be returned to you \u003cb data-path-to-node=\"6\" data-index-in-node=\"257\"\u003eready to install with zero additional programming or calibration required\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eCompatible Transmission Series \u0026amp; Models\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eThis repair service supports a wide range of Eaton automated transmissions, including the UltraShift, UltraShift PLUS, and AutoShift series across medium and heavy-duty applications:\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eFO \/ FAO \/ FOM \/ FAOM Series:\u003c\/b\u003e (UltraShift \u0026amp; AutoShift 10, 13, and 18-Speed Transmissions)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eEA \/ EH \/ EO Series:\u003c\/b\u003e (UltraShift PLUS Performance, Linehaul, and Vocational Platforms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eFA \/ FM \/ ET Series:\u003c\/b\u003e (Medium-Duty UltraShift 6-Speed Platforms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eCompatible Part Numbers \u0026amp; Kit Interchanges\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eWe support the following interchangeable OEM part numbers, hardware revisions, and service kits for this platform:\u003c\/p\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eTCM Assembly Numbers:\u003c\/b\u003e ETC2004A02, ETC2004A04, ETC2004A05, ETC2004A06, ETC2008A06, 2C77281600, 2C74850501, 4308682\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eEaton Service Kit Interchanges:\u003c\/b\u003e K-4323 (K4323), K-3797 (K3797), K-3766 (K3766)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003ePremium Service Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e⚙️ \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"3\"\u003eAdvanced Diagnostics:\u003c\/b\u003e Component-level testing and precision rebuilding of damaged trace circuitry, power stages, and communication chips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e⚡ \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"2\"\u003eUltra-Fast Processing:\u003c\/b\u003e Quick 24 to 48-hour turnaround time to keep your vehicle moving and eliminate extended shop stays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e🔄 \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"3\"\u003eTrue Plug \u0026amp; Play:\u003c\/b\u003e Retains your transmission's existing clutch software profiles, gear calibrations, and VIN settings—no expensive reprogramming needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e✅ \u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"2\"\u003eEnvironmental Bench Testing:\u003c\/b\u003e Rebuilt modules are rigorously stress-tested under simulated shifting loads and thermal conditions to guarantee durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,4,0\"\u003e💰 \u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"3\"\u003eFleet Savings:\u003c\/b\u003e A smart, sustainable, and reliable alternative to steep dealership replacement costs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eCommon Eaton Fuller TCM Failure Symptoms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eAutomated transmission controllers are mounted directly in harsh environments where they face continuous gear vibrations, road debris, moisture intrusion, and severe temperature swings. A failing TCM frequently causes these common drivability issues:\u003c\/p\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003eIntermittent or permanent \u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"26\"\u003e\"F\" or \"Check Trans\" error codes\u003c\/b\u003e flashing on the dashboard display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003eTransmission suddenly drops into neutral while driving or refuses to engage a forward\/reverse gear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003eTotal loss of communication between the TCM and engine ECM or diagnostic tools via the J1939 data link\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003eInability to complete initialization or execute proper clutch calibration procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,4,0\"\u003ePersistent transmission active codes regarding XY Shifter actuators, rail select motors, or speed sensors (when the sensors themselves are functioning perfectly)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,5,0\"\u003eIntermittent stalling when coming to a stop or erratic, unpredictable shifting patterns under load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"21\"\u003e\u003cb data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eHow Our Repair Process Works\u003c\/b\u003e\u003c\/h3\u003e\n\u003col start=\"1\" data-path-to-node=\"22\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,0,0\"\u003e\u003cb data-path-to-node=\"22,0,0\" data-index-in-node=\"0\"\u003ePlace Your Order:\u003c\/b\u003e Purchase our Eaton Fuller TCM repair service through our secure online checkout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,1,0\"\u003e\u003cb data-path-to-node=\"22,1,0\" data-index-in-node=\"0\"\u003eShip Your Module:\u003c\/b\u003e Pack your TCM securely with a copy of your order confirmation sheet and ship it to our specialized repair facility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,2,0\"\u003e\u003cb data-path-to-node=\"22,2,0\" data-index-in-node=\"0\"\u003eDiagnostic \u0026amp; Repair:\u003c\/b\u003e Our technicians run full diagnostic cycles, isolate internal micro-component failures, and rebuild the module circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,3,0\"\u003e\u003cb data-path-to-node=\"22,3,0\" data-index-in-node=\"0\"\u003eLoad Verification:\u003c\/b\u003e The rebuilt controller undergoes rigorous physical simulation testing to ensure flawless communication and shifting execution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,4,0\"\u003e\u003cb data-path-to-node=\"22,4,0\" data-index-in-node=\"0\"\u003ePlug \u0026amp; Play Return:\u003c\/b\u003e We ship your rebuilt TCM straight back to your shop, ready for immediate bolt-on installation and operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e","brand":"Automobile Computer Solutions ","offers":[{"title":"Default Title","offer_id":48701949477119,"sku":null,"price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/5368\/5247\/files\/23a9c282-19ca-45f4-a118-ac07f373073b.png?v=1781637422","url":"https:\/\/www.dieselacs.com\/products\/fuller-tcm-repair-service-ultrashift-autoshift","provider":"Automobile Computer Solutions ","version":"1.0","type":"link"}