GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 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

    •  Engine Coolant Temperature Gage Inaccurate or Inoperative
    •  Fuel Gage Inaccurate or Inoperative

Indicators

    •  ABS Indicator Malfunction - Hybrid.
    •  ABS Indicator Malfunction - Non-Hybrid Greater than or Equal to 3900 kg (8600 lb).
    •  ABS Indicator Malfunction - Non-Hybrid Less than 3900 kg (8600 lb).
    •  Air Bag Indicator Circuit Malfunction
    •  Brake Warning Indicator Malfunction
    •  Charge Indicator Malfunction
    •  Compass Malfunction
    •  Door Ajar Indicator Malfunction
    •  Engine Oil Pressure Indicator Malfunction
    •  Four-Wheel Drive Indicator Always On for the MP 1222/1225/1226-NQG transfer case
    •  Four-Wheel Drive Indicator Inoperative for the MP 1222/1225/1226-NQG transfer case
    •  Headlamps Malfunction
    •  Hourmeter Inaccurate or Inoperative
    •  Interior Backlighting Malfunction
    •  Low Washer Fluid Indicator Malfunction
    •  Malfunction Indicator Lamp (MIL) Diagnosis for the 4.3L engine
    •  Malfunction Indicator Lamp (MIL) Diagnosis for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine
    •  Malfunction Indicator Lamp (MIL) Diagnosis for the 6.6L (LMM) engine
    •  Passenger Presence System Indicator Circuit Malfunction
    •  Seat Belt Indicator Circuit Malfunction - Driver
    •  Seat Belt Indicator Circuit Malfunction - Passenger
    •  Security Indicator Malfunction
    •  Service Indicator Always On for the MP 1625/1626-NQF transfer case
    •  Service Indicator Always On for the MP 3023/3024-NQH transfer case
    •  StabiliTrak Indicator Malfunction - Hybrid.
    •  StabiliTrak Indicator Malfunction - Non-Hybrid Greater than or Equal to 3900 kg (8600 lb).
    •  StabiliTrak Indicator Malfunction - Non-Hybrid Less than 3900 kg (8600 lb).
    •  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
    •  Transfer Case Shift Control Switch Inoperative for the MP 1625/1626-NQF transfer case
    •  Transfer Case Shift Control Switch Indicator Always On - Two or More for the MP 1625/1626-NQF transfer case
    •  Transfer Case Shift Control Switch Indicator Inoperative - One or More for the MP 1625/1626-NQF transfer case
    •  Transfer Case Shift Control Switch Indicator Always On - Two or More for the MP 3023/3024-NQH transfer case
    •  Transfer Case Shift Control Switch Indicator Inoperative - One or More for the MP 3023/3024-NQH transfer case
    •  Turn Signal Lamps and/or Indicators Malfunction
    •  Water in Fuel Indicator Malfunction

Driver Information Center (DIC)

Driver Information Center (DIC) Switch Malfunction

Audible Warnings

Chime Malfunction