32160-01 | Genuine Paccar® Warning Indicator Light Module

A Warning Indicator Light Module 32160-01 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.

General Specifications

Fitment

• 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 & Function

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

• 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 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.