{"product_id":"k256-790-genuine-paccar®-warning-indicator-light-module","title":"K256-790 | Genuine Paccar® Warning Indicator Light Module","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA Warning Indicator Light Module \u003cstrong\u003eK256-790\u003c\/strong\u003e is an electronic unit in a vehicle that controls and displays warning lights on the dashboard to alert the driver about system faults, unsafe conditions, or operating status.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: K256-790, K256790\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Paccar\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-end=\"176\" data-start=\"160\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFits K256-790 For \u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul class=\"RichTextList-bulleted\"\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth T400\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth T450\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth T600\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth T800\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth W900B\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth W900L\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"TypographyPresentation TypographyPresentation--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol HighlightSol--buildingBlock\"\u003e1991-2006 Kenworth W900S\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong data-end=\"597\" data-start=\"585\"\u003ePurpose of using K256-790:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003col data-end=\"814\" data-start=\"272\"\u003e\n\u003cli data-end=\"400\" data-start=\"272\"\u003e\n\u003cp data-end=\"313\" data-start=\"275\"\u003e\u003cstrong data-end=\"311\" data-start=\"275\"\u003eWarn the driver of system faults\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"400\" data-start=\"317\"\u003e\n\u003cli data-end=\"400\" data-start=\"317\"\u003e\n\u003cp data-end=\"400\" data-start=\"319\"\u003eAlerts to problems in the engine, brakes, electrical system, emissions, and more.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"496\" data-start=\"402\"\u003e\n\u003cp data-end=\"433\" data-start=\"405\"\u003e\u003cstrong data-end=\"431\" data-start=\"405\"\u003eImprove vehicle safety\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"496\" data-start=\"437\"\u003e\n\u003cli data-end=\"496\" data-start=\"437\"\u003e\n\u003cp data-end=\"496\" data-start=\"439\"\u003eProvides immediate visual warnings for unsafe conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"587\" data-start=\"498\"\u003e\n\u003cp data-end=\"527\" data-start=\"501\"\u003e\u003cstrong data-end=\"525\" data-start=\"501\"\u003ePrevent major damage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"587\" data-start=\"531\"\u003e\n\u003cli data-end=\"587\" data-start=\"531\"\u003e\n\u003cp data-end=\"587\" data-start=\"533\"\u003eEarly warnings help avoid serious mechanical failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"701\" data-start=\"589\"\u003e\n\u003cp data-end=\"619\" data-start=\"592\"\u003e\u003cstrong data-end=\"617\" data-start=\"592\"\u003eDisplay system status\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"701\" data-start=\"623\"\u003e\n\u003cli data-end=\"701\" data-start=\"623\"\u003e\n\u003cp data-end=\"701\" data-start=\"625\"\u003eShows when systems are active, such as ABS, air brakes, or traction control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"814\" data-start=\"703\"\u003e\n\u003cp data-end=\"741\" data-start=\"706\"\u003e\u003cstrong data-end=\"739\" data-start=\"706\"\u003eSupport regulatory compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"814\" data-start=\"745\"\u003e\n\u003cli data-end=\"814\" data-start=\"745\"\u003e\n\u003cp data-end=\"814\" data-start=\"747\"\u003eEspecially important for air brake and safety warning requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong data-end=\"597\" data-start=\"585\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad Warning Indicator Light Module K256-790:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli data-end=\"314\" data-start=\"239\"\u003e\n\u003cp data-end=\"281\" data-start=\"242\"\u003e\u003cstrong data-end=\"281\" data-start=\"242\"\u003eWarning lights stay on continuously\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"314\" data-start=\"285\"\u003e\n\u003cli data-end=\"314\" data-start=\"285\"\u003e\n\u003cp data-end=\"314\" data-start=\"287\"\u003eEven when no problem exists\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"412\" data-start=\"316\"\u003e\n\u003cp data-end=\"359\" data-start=\"319\"\u003e\u003cstrong data-end=\"359\" data-start=\"319\"\u003eWarning lights do not come on at all\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"412\" data-start=\"363\"\u003e\n\u003cli data-end=\"412\" data-start=\"363\"\u003e\n\u003cp data-end=\"412\" data-start=\"365\"\u003eNo alerts during startup or when a fault occurs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"499\" data-start=\"414\"\u003e\n\u003cp data-end=\"462\" data-start=\"417\"\u003e\u003cstrong data-end=\"462\" data-start=\"417\"\u003eFlickering or intermittent warning lights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"499\" data-start=\"466\"\u003e\n\u003cli data-end=\"499\" data-start=\"466\"\u003e\n\u003cp data-end=\"499\" data-start=\"468\"\u003eLights turn on and off randomly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"594\" data-start=\"501\"\u003e\n\u003cp data-end=\"543\" data-start=\"504\"\u003e\u003cstrong data-end=\"543\" data-start=\"504\"\u003eIncorrect or false warning messages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"594\" data-start=\"547\"\u003e\n\u003cli data-end=\"594\" data-start=\"547\"\u003e\n\u003cp data-end=\"594\" data-start=\"549\"\u003eWrong warning light illuminates for a problem\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"710\" data-start=\"596\"\u003e\n\u003cp data-end=\"651\" data-start=\"599\"\u003e\u003cstrong data-end=\"651\" data-start=\"599\"\u003eDashboard indicator lights fail during self-test\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"710\" data-start=\"655\"\u003e\n\u003cli data-end=\"710\" data-start=\"655\"\u003e\n\u003cp data-end=\"710\" data-start=\"657\"\u003eLights do not turn on briefly when the vehicle starts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"799\" data-start=\"712\"\u003e\n\u003cp data-end=\"744\" data-start=\"715\"\u003e\u003cstrong data-end=\"744\" data-start=\"715\"\u003eCommunication fault codes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"799\" data-start=\"748\"\u003e\n\u003cli data-end=\"799\" data-start=\"748\"\u003e\n\u003cp data-end=\"799\" data-start=\"750\"\u003eDiagnostic scan shows module communication errors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"897\" data-start=\"801\"\u003e\n\u003cp data-end=\"853\" data-start=\"804\"\u003e\u003cstrong data-end=\"853\" data-start=\"804\"\u003eMultiple warning lights fail at the same time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"897\" data-start=\"857\"\u003e\n\u003cli data-end=\"897\" data-start=\"857\"\u003e\n\u003cp data-end=\"897\" data-start=\"859\"\u003eIndicates module or power\/ground issue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"476\" data-start=\"97\"\u003e\u003cstrong data-end=\"151\" data-start=\"97\"\u003e\u003cbr\u003eAbout the Manufacturer – Paccar:\u003c\/strong\u003e\u003cbr data-end=\"154\" data-start=\"151\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"96\" data-end=\"400\"\u003e\u003cstrong data-start=\"96\" data-end=\"110\"\u003ePACCAR Inc\u003c\/strong\u003e is a global technology leader in the design, manufacture, and customer support of premium light-, medium-, and heavy-duty trucks. Founded in 1905 and headquartered in Bellevue, Washington, PACCAR is best known for its world-class truck brands: Kenworth, Peterbilt, and DAF.\u003cbr\u003ePACCAR’s trucks are recognized for their durability, fuel efficiency, advanced engineering, and driver-focused technology. In addition to truck manufacturing, PACCAR also designs and builds diesel engines, and provides financial services, information technology, and aftermarket support to its global customer base.\u003c\/p\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":50433526759671,"sku":"K256-790","price":1349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/photo_2026-01-16_01-57-16.jpg?v=1768604047","url":"https:\/\/forcetruckparts.com\/products\/k256-790-genuine-paccar%c2%ae-warning-indicator-light-module","provider":"Force Truck Parts","version":"1.0","type":"link"}