GM Service Manual Online
For 1990-2009 cars only
Table 1: Warning/Staus Message List
Table 2: Lamp Monitor Bulb Usage

The driver information center (DIC) is a 2 color vacuum fluorescent (VF) display that contains the following information:

    • The odometers
    • The warning indicators
    • The lamp monitor displays
    • A graphic representation of the vehicle

Warning/Staus Message List

Fault

Illuminated Segments

No Fault

Vehicle Outline

Low Coolant

Vehicle Outline, Engine, LOW COOLANT

Low Fuel

Vehicle Outline, Fuel Tank, CHECK GAUGES

Low Washer Fluid

Vehicle Outline, WASHER FLUID, Windshield (Flashes 5 times, then stays ON)

Low Oil Level

Vehicle Outline, Engine, CHECK OIL LEVEL

Low Oil Pressure

Vehicle Outline, Engine, CHECK GAUGES

Low or High Voltage

Vehicle Outline, Engine, CHECK GAUGES

High Coolant Temperature

Vehicle Outline, Engine, Check Gauges

Trunk Ajar

Vehicle Outline, Trunk, TRUCK AJAR

Hood Ajar

Vehicle Outline, Hood, HOOD AJAR

Door Ajar

Vehicle Outline, DOOR AJAR, Corresponding Door

Front Park Lamp Failure

Vehicle Outline, Front Lamps, LAMP MONITOR, PARK LAMP

Headlamp Failure

Vehicle Outline, Front Lamps, LAMP MONITOR, HEAD LAMP

High-Beam Failure

Vehicle Outline, Front Lamps, LAMP MONITOR, HI BEAM LAMP

Front Turn Signal Failure

Vehicle Outline, Front Lamps, LAMP MONITOR, TURN SIGNAL LAMP

Tail Lamp Failure

Vehicle Outline, Rear Lamps, LAMP MONITOR, TAIL LAMP

Backup Lamp Failure

Vehicle Outline, Rear Lamps, LAMP MONITOR, BACKUP LAMP

License Plate Lamp Failure

Vehicle Outline, Rear Lamps, LAMP MONITOR, TAIL LAMP

Rear Turn Signal Failure

Vehicle Outline, Rear Lamps, LAMP MONITOR, TURN SIGNAL LAMP

Brake Lamp Failure

Vehicle Outline, Rear Lamps, LAMP MONITOR, BRAKE LAMP

CHMSL Failure

Vehicle Outline, CHMSL, LAMP MONITOR, BRAKE LAMP

Lamp Monitor

Vehicle Outline, LAMP MONITOR

Lamp Monitor Bulb Usage Table

Important: When replacing a bulb, replace the bulb with the same type. If you use the incorrect bulb type, the DIC will continue to display a bulb outage.

Follow the chart below before proceeding with the diagnosis.

If the bulb indicator outages are displayed on the driver information center (DIC), follow the chart below in order to determine if a bulb is burnt out. Also verify proper bulb type.

Lamp Monitor Bulb Usage

Indicator

Bulbs to Test

The high beam indicator turns on.

The 2 high beam bulbs

The low beam indicator turns on.

The 2 low beam bulbs

The park lamp turns on.

    • The left side:
       - The 1 park/turn bulb
       - The 1 side marker bulb
    • The right side:
       - The 1 park/turn bulb
       - The 1 side marker bulb

The turn lamps turn on.

The 4 turn signal bulbs:

    • The left side front bulb
    • The right side front bulb
    • The left side rear bulb
    • The right side rear bulb

The taillamp indicator turns on.

    • The 4 tail bulbs:
       - The 2 left bulbs
       - The 2 right bulbs
    • The 2 license bulbs
    • The 4 tail/turn/stop bulbs
    • The 2 rear side marker bulbs:
       - The 1 left bulb
       - The 1 right bulb

The backup indicator turns on.

The 2 backup bulbs

The brake lamp indicator turns on.

  1. The 4 stop/turn tail bulbs
  2. The 1 CHMSL bulb

The taillamp indicator and the brake indicator turn on together.

The 4 stop/turn/tail bulbs:

    • The 2 left bulbs
    • The 2 right bulbs