GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Monte Carlo 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Symptoms

Important: The following steps must be completed before using the symptom tables.

  1. Perform the Diagnostic System Check - Instrument Cluster or Diagnostic System Check - Driver Information Systems before using the symptom tables in order to verify that all of the following are true:
    2. • There are no DTCs set.
    • The control module(s) can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
    3. •  Instrument Cluster Circuit Description
    •  Driver Information Center (DIC) or Message Center Description
    •  Driver Information Center (DIC) or Message Center Operation
    •  Driver Information Center (DIC) or Message Center Circuit Description

Visual/Physical Inspection
    • Inspect for aftermarket devices which could affect the operation of the instrument panel cluster (IPC) or the driver information center (DIC). Refer to Checking Aftermarket Accessories in Wiring Systems.
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
    • Inspect for proper fluid levels before beginning any diagnosis.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

Gauges and PRNDL Display

The following is a list of the symptoms for the IPC gauges, odometer, and PRNDL display:

    •  Engine Coolant Temperature Gage Inaccurate or Inoperative
    •  Engine Oil Pressure Gage Inaccurate or Inoperative
    •  Fuel Gage Inaccurate or Inoperative
    •  Odometer Does Not Switch Between Trip and Season
    •  Speedometer and/or Odometer Inoperative
    •  Tachometer Inaccurate or Inoperative
    •  Volt Gage Inaccurate or Inoperative
    •  PRNDL Display Inaccurate or Inoperative

Indicators

The following is a list of the symptoms for the IPC indicators or a reference to the related subsection:

    •  ABS Indicator Inoperative in Antilock Brake System
    •  ABS Indicator Always On in Antilock Brake System
    •  AIR BAG Warning Lamp Circuit Malfunction in SIR
    •  Brake Warning Indicator Always On in Hydraulic Brakes
    •  Brake Warning Indicator Inoperative in Hydraulic Brakes
    •  CHANGE ENGINE OIL Message Always On
    •  CHANGE ENGINE OIL Message Inoperative
    •  Charge Indicator Always On in Lighting Systems
    •  Charge Indicator Inoperative in Lighting Systems
    •  CRUISE Indicator Inoperative in Cruise Control
    •  DOOR AJAR Message Always On in Doors
    •  Fasten Safety Belt Indicator/Chime Always On in Seat Belts
    •  Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts
    •  High Beam Indicator Inoperative in Lighting Systems
    •  LOW COOLANT Message Always On
    •  LOW COOLANT Message Inoperative
    •  LOW ENG OIL LEVEL Message Always On
    •  LOW OIL PRESSURE Message Always On
    •  Low Tire Pressure Indicator Always On in Tire Pressure Monitoring
    •  Low Tire Pressure Indicator Inoperative in Tire Pressure Monitoring
    •  LOW WASHER FLUID Message Always On in Wipers/Washer Systems
    •  LOW WASHER FLUID Message Inoperative in Wipers/Washer Systems
    • SERVICE ENGINE SOON (MIL) Indicator Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check (3.4L) or Powertrain On Board Diagnostic (OBD) System Check (3.8L) in Engine Controls.
    •  TRAC OFF Indicator Always On in Antilock Brake System
    •  TRAC OFF Indicator Inoperative in Antilock Brake System
    •  TRUNK OPEN Message Always On in Body Rear End
    •  TRUNK OPEN Message Inoperative in Body Rear End
    •  Turn Signal Indicators Inoperative in Lighting Systems

Driver Information Center (DIC)

The following is a list of the symptoms for the DIC:

    •  Driver Information Center (DIC) Temperature Display Inaccurate
    •  Driver Information Center (DIC) Compass Inaccurate or CAL Displayed

IPC Dimming

The following is a list of the symptoms related to the IPC dimming:

    •  Instrument Panel Lamps Do Not Dim in Lighting Systems
    •  Instrument Panel Lamps Always On in Lighting Systems
    •  Instrument Panel Lamps Inoperative in Lighting Systems
    •  Instrument Panel Lamps Inoperative - One in Lighting Systems