GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Tahoe - 4WD 🢒 Driver Information and Entertainment 🢒 Displays and Gages 🢒 Symptoms - Displays and Gages

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

  1. Perform the Diagnostic System Check - Vehicle , before using the Symptom Tables in order to verify that all of the following are true:
    2. • There are no DTCs set.
    • The control modules 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 Description and Operation
    •  Indicator/Warning Message Description and Operation
    •  Driver Information Center (DIC) Description and Operation
    •  Audible Warnings Description and Operation

Visual/Physical Inspection
    • Inspect for aftermarket devices which could affect the operation of the Instrument Cluster or Audible Warning Systems. Refer to Checking Aftermarket Accessories .
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
    • Inspect for proper fluid level.

Intermittent

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

Symptom List

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

Gages and Odometer

    •  Instrument Cluster Inoperative
    •  Driver Efficiency Gage Inaccurate or Inoperative
    •  Engine Coolant Temperature Gage Inaccurate or Inoperative
    •  Fuel Gage Inaccurate or Inoperative
    •  Hourmeter Inaccurate or Inoperative
    •  Speedometer and/or Odometer Inaccurate or Inoperative
    •  Tachometer Inaccurate or Inoperative
    •  Volt Gage Inaccurate or Inoperative

Indicators

    •  Compass Malfunction
    •  Engine Oil Pressure Indicator Malfunction
    •  Door Ajar Indicator Malfunction
    •  Service Indicator Always On for the MP 3023/3024-NQH transfer case
    •  Brake Warning Indicator Malfunction
    •  ABS Indicator Malfunction for the ABS - Hybrid
    •  ABS Indicator Malfunction for the ABS - Non-Hybrid Greater than Equal to 3900
    •  ABS Indicator Malfunction for the ABS - Non-Hybrid Less than 3900 kg (8600 lb)
    •  StabiliTrak Indicator Malfunction for the ABS - Hybrid
    •  StabiliTrak Indicator Malfunction for the ABS - Non-Hybrid Greater than Equal to 3900
    •  StabiliTrak Indicator Malfunction for the ABS - Non-Hybrid Less than 3900 kg (8600 lb)
    •  Low Tire Pressure Indicator Malfunction
    •  Charge Indicator Malfunction
    •  Malfunction Indicator Lamp (MIL) Diagnosis for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine
    •  Tow/Haul Switch/Indicator Always On or Inoperative for the 4L60-E/4L65-E/4L70-E automatic transmission
    •  Tow/Haul Switch/Indicator Always On or Inoperative for the 6L50/6L80/6L90 automatic transmission
    •  Low Washer Fluid Indicator Malfunction
    •  Turn Signal Lamps and/or Indicators Malfunction
    •  Door Ajar Indicator Malfunction
    •  Liftgate/Liftgate Window Ajar Indicator Malfunction
    •  Air Bag Indicator Circuit Malfunction
    •  Passenger Presence System Indicator Circuit Malfunction
    •  Seat Belt Indicator Circuit Malfunction - Driver
    •  Seat Belt Indicator Circuit Malfunction - Passenger
    •  Security Indicator Malfunction
    •  Outside Air Temperature Display Inaccurate or Inoperative

Instrument Cluster Dimming

Interior Backlighting Malfunction

Driver Information Center (DIC)

Driver Information Center (DIC) Switch Malfunction

Audible Warnings

Chime Malfunction