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Paccar  |  SKU: K256-790

K256-790 | Genuine Paccar® Warning Indicator Light Module

$1,34900
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Description:
A Warning Indicator Light Module K256-790 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.

Part Number: K256-790, K256790
Condition: New
Manufacture/Brand: Paccar

Fits K256-790 For 

  • 1991-2006 Kenworth T400
  • 1991-2006 Kenworth T450
  • 1991-2006 Kenworth T600
  • 1991-2006 Kenworth T800
  • 1991-2006 Kenworth W900B
  • 1991-2006 Kenworth W900L
  • 1991-2006 Kenworth W900S



Purpose of using K256-790:

  1. Warn the driver of system faults

    • Alerts to problems in the engine, brakes, electrical system, emissions, and more.

  2. Improve vehicle safety

    • Provides immediate visual warnings for unsafe conditions.

  3. Prevent major damage

    • Early warnings help avoid serious mechanical failures.

  4. Display system status

    • Shows when systems are active, such as ABS, air brakes, or traction control.

  5. Support regulatory compliance

    • Especially important for air brake and safety warning requirements.


Signs of a Bad Warning Indicator Light Module K256-790:

  • Warning lights stay on continuously

    • Even when no problem exists

  • Warning lights do not come on at all

    • No alerts during startup or when a fault occurs

  • Flickering or intermittent warning lights

    • Lights turn on and off randomly

  • Incorrect or false warning messages

    • Wrong warning light illuminates for a problem

  • Dashboard indicator lights fail during self-test

    • Lights do not turn on briefly when the vehicle starts

  • Communication fault codes

    • Diagnostic scan shows module communication errors

  • Multiple warning lights fail at the same time

    • Indicates module or power/ground issue


About the Manufacturer – Paccar:

PACCAR Inc 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.
PACCAR’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.

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