{"product_id":"oem-led-headlight-control-module-ulb-freightliner-cascadia-2018-28-pin-zkw-1040-001-0940-66-01405-050","title":"OEM LED Headlight Control Module ULB - Freightliner Cascadia 2018+ 28 Pin - ZKW 1040.001.0940 66-01405-050","description":"\u003cp\u003eWhen a New Cascadia headlight goes dark, drops a beam mode or sets a headlamp control fault while the lamp assembly itself tests good, this is the part to suspect. The \u003cstrong\u003eUniversal Light Bar (ULB) control unit\u003c\/strong\u003e is the genuine \u003cstrong\u003eFreightliner OEM\u003c\/strong\u003e module that manages the LED headlight functions on the \u003cstrong\u003eNew Cascadia\u003c\/strong\u003e, and a failed one leaves you with flicker, a dead lamp, or a beam that will not switch — a safety problem at night and an inspection defect in daylight. We stock these right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets, diesel repair shops, and owner-operators nationwide.\u003c\/p\u003e\n\n\u003ch2\u003eThe Module Behind the Headlight: The Cascadia ULB Control Unit Advantage\u003c\/h2\u003e\n\n\u003cp\u003eThis control unit regulates the \u003cstrong\u003ecurrent and switching supplied to the headlamp\u003c\/strong\u003e, and it is what actually turns driver input into \u003cstrong\u003elow beam, high beam and daytime running lamp\u003c\/strong\u003e operation. Because the LED headlamp on this truck depends on the module rather than a simple switched circuit, a module fault reads exactly like a bad headlight — which is why so many good lamp assemblies get replaced before someone finally tests the control unit.\u003c\/p\u003e\n\n\u003cp\u003eThis is the \u003cstrong\u003eupdated unit\u003c\/strong\u003e, and it supersedes the earlier \u003cstrong\u003e66-01405-040\u003c\/strong\u003e. It uses the \u003cstrong\u003e28 pin\u003c\/strong\u003e connector and installs as the headlight control unit within the LED headlamp circuit. As a genuine OEM module it is also the direct equivalent of \u003cstrong\u003eZKW 1040.001.0940\u003c\/strong\u003e and \u003cstrong\u003eContinental A2C93182000-01\u003c\/strong\u003e. If you are chasing intermittent Cascadia headlight faults, replacing the control unit is the repair that ends the cycle rather than resetting it.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVehicle Fitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM control module is intended for the following commercial application:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMake\/Model:\u003c\/strong\u003e Freightliner Cascadia (P4), 2018-2025\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Headlight control unit within the LED headlamp circuit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Low beam, high beam and daytime running lamp control\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 28 pin connector\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComponent Group:\u003c\/strong\u003e Exterior Lighting \/ Headlights \u0026amp; Fog Lights\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eDirect Replacement \u0026amp; Cross-Reference Numbers:\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eThis genuine Freightliner control unit serves as a direct replacement for the following part numbers:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFreightliner Interchange:\u003c\/strong\u003e 66-01405-040\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eZKW Interchange:\u003c\/strong\u003e 1040.001.0940\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eContinental Interchange:\u003c\/strong\u003e A2C93182000-01\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFreightliner OEM #:\u003c\/strong\u003e 66-01405-050\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e LED Headlight Control Module (ULB Control Unit)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Controls low beam, high beam and daytime running lamp operation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 28 pin\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupersession:\u003c\/strong\u003e Updated unit, replaces 66-01405-040\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-Year FleetPro Warranty\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Freightliner (Distributed by FleetPro Parts \u0026amp; Tires)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Freightliner","offers":[{"title":"Default Title","offer_id":43036193751111,"sku":"66-01405-050","price":226.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8035\/2583\/files\/image_1920_eb4e9038-96f3-4156-93db-5fd9f2ab5fad.webp?v=1787697280","url":"https:\/\/fleetpropt.com\/products\/oem-led-headlight-control-module-ulb-freightliner-cascadia-2018-28-pin-zkw-1040-001-0940-66-01405-050","provider":"FLEETPRO PARTS \u0026 TIRES","version":"1.0","type":"link"}