GM Service Manual Online
For 1990-2009 cars only

Symptoms - Instrument Panel, Gages and Console New

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

  1. Perform the Diagnostic System Check - Instrument Cluster , Diagnostic System Check - Driver Information Systems , Diagnostic System Check - Head Up Display , Diagnostic System Check - Night Vision , or Diagnostic System Check - Audible Warnings 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.
  3. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
  4. •  Instrument Cluster Description and Operation
    •  Indicator/Warning Message Description and Operation
    •  Driver Information Center (DIC) Description and Operation
    •  Head Up Display (HUD) Description and Operation
    •  Night Vision Description and Operation
    •  Audible Warnings Description and Operation

Visual/Physical Inspection

    • Inspect for aftermarket devices which could affect the operation of the instrument panel cluster or audible warnings system. 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 the proper fluid levels.

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 Odometer

    •  Boost Gage Malfunction
    •  Engine Coolant Temperature Gage Inaccurate or Inoperative
    •  Engine Oil Pressure Gage Inaccurate or Inoperative
    •  Engine Oil Temperature Gage Inoperative
    •  Fuel Gage Inaccurate or Inoperative
    •  Gages Inoperative - All
    •  Odometer Trip/Reset Switch Inoperative
    •  Speedometer and/or Odometer Inaccurate or Inoperative
    •  Tachometer Inaccurate or Inoperative
    •  Tire Pressure Gage Inoperative
    •  Transmission Fluid Temperature Gage Inaccurate or Inoperative
    •  Volt Gage Inaccurate or Inoperative

Indicators

    •  ABS Indicator Always On in Antilock Brake System
    •  ABS Indicator Inoperative in Antilock Brake System
    •  Air Bag Indicator Circuit Malfunction in SIR
    •  Brake Warning Indicator Always On in Hydraulic Brakes
    •  Brake Warning Indicator Inoperative in Hydraulic Brakes
    •  Change Engine Oil Indicator Always On
    •  Change Engine Oil Indicator Inoperative
    •  Check Gages Indicator Always On
    •  Check Gages Indicator Inoperative
    •  Cruise Control Indicator Always On in Cruise Control
    •  Cruise Control Indicator Inoperative in Cruise Control
    •  Door Ajar Indicator Always On in Doors
    •  Door Ajar Indicator Inoperative in Doors
    •  Engine Oil Pressure Indicator Always On
    •  Engine Oil Temperature Indicator Always On
    •  Engine Oil Temperature Indicator Inoperative
    •  Fuel Cap Missing Indicator Always On
    •  Fuel Cap Missing Indicator Inoperative
    •  High Beam Indicator Inoperative in Lighting Systems
    •  Low Engine Coolant Indicator Always On in Engine Cooling
    •  Low Engine Coolant Indicator Inoperative in Engine Cooling
    •  Low Engine Oil Level Indicator Always On
    •  Low Engine Oil Level Indicator Inoperative
    •  Low Fuel Indicator Inoperative
    •  Low Washer Fluid Indicator Always On in Wipers/Washer Systems
    •  Low Washer Fluid Indicator Inoperative in Wipers/Washer Systems
    •  Malfunction Indicator Lamp (MIL) Always On in Engine Controls
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls
    •  MPH (Km/h) Indicator Inoperative
    •  Seat Belt Indicator Circuit Malfunction in Seat Belts
    •  Security Indicator Always On or Flashing in Theft Deterrent
    •  Security Indicator Inoperative in Theft Deterrent
    •  Service Vehicle Soon Indicator Always On
    •  Service Vehicle Soon Indicator Inoperative
    •  Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems

Driver Information Center

    •  Driver Information Center (DIC) Inoperative
    •  Driver Information Center (DIC) Trip Calculator Inoperative
    •  Driver Information Center (DIC) Elapse Time Inaccurate or Inoperative
    •  Driver Information Center (DIC) Temperature Display Always Reads SC
    •  Driver Information Center (DIC) Temperature Display Always Reads OC
    •  Driver Information Center (DIC) Temperature Display Inaccurate or Inoperative
    •  Driver Information Center (DIC) Compass Inaccurate or CAL Displayed
    •  Driver Information Center (DIC) Compass Inaccurate or C Displayed
    •  Driver Information Center (DIC) Compass Display Inoperative
    •  Driver Information Center (DIC) Switch Inoperative

Heads-Up Display

    •  Head Up Display (HUD) Inoperative
    •  Head Up Display (HUD) Radio Displays Inoperative
    •  Head Up Display (HUD) Always On
    •  Head Up Display (HUD) Speedometer Inoperative
    •  Head Up Display (HUD) Turn Signal Indicator Inoperative - Left and Right Side
    •  Head Up Display (HUD) Hazard Indicators Inoperative
    •  Head Up Display (HUD) Image Adjustment Inoperative
    •  Head Up Display (HUD) Intensity Does Not Vary

Night Vision

    •  Night Vision Display Always On
    •  Night Vision Display Inoperative
    •  Night Vision Display Does Not Display Camera Image
    •  Night Vision Display On with Headlamps Off
    •  Night Vision Display Does Not Dim
    •  Night Vision Display Height Adjustment Inoperative
    •  Night Vision Display Intensity Does Not Vary
    •  Night Vision Display Poor Video Image

Audible Warnings

    •  Chime Always On
    •  Chime Inoperative