GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 4WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Symptoms - Instrument Panel, Gages and Console

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

  1. Perform 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 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 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 level.

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

    •  Instrument Cluster Inoperative
    •  Engine Coolant Temperature Gage Inaccurate or Inoperative
    •  Engine Oil Pressure Gage Inaccurate or Inoperative
    •  Fuel Gage Inaccurate or Inoperative
    •  Hourmeter Inaccurate or Inoperative
    •  Odometer Trip/Reset Switch Inoperative
    •  Speedometer and/or Odometer Inaccurate or Inoperative
    •  Tachometer Inaccurate or Inoperative
    •  Transmission Fluid Temperature Gage Inaccurate or Inoperative
    •  Volt Gage Inaccurate or Inoperative

Indicators

    •  Four-Wheel Drive Indicator Always On in Transfer Case-NVG 261-NP2
    •  Four-Wheel Drive Indicator Inoperative in Transfer Case-NVG 261-NP2
    •  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
    •  Cruise Control Indicator Always On in Cruise Control
    •  Cruise Control Indicator Inoperative in Cruise Control
    •  Fasten Safety Belt Indicator/Chime Always On in Seat Belts
    •  Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts
    •  High Beam Indicator Always On in Lighting Systems
    •  High Beam Indicator Inoperative in Lighting Systems
    •  Malfunction Indicator Lamp (MIL) Always On in Engine Controls - 4.3 L
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 4.3 L
    •  Malfunction Indicator Lamp (MIL) Always On in Engine Controls - 4.8 L, 5.3 L, and 6.0 L
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 4.8 L, 5.3 L, and 6.0 L
    •  Malfunction Indicator Lamp (MIL) Always On in Engine Controls - 6.6 L.
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 6.6 L
    •  PRNDL Display Park Indicator Inoperative
    •  Tow/Haul Switch/Indicator Always On or Inoperative in Automatic Transmission - 4L60E
    •  Tow/Haul Switch/Indicator Always On or Inoperative in Automatic Transmission - 4L80E
    •  Turn Signal Lamps and/or Indicators Always On or Flashing in Lighting Systems
    •  Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems

Message Center

    •  Cargo Door Ajar Indicator Always On in Body Rear End
    •  Cargo Door Ajar Indicator Inoperative in Body Rear End
    •  Cargo Lamp On Indicator Always On in Lighting Systems
    •  Cargo Lamp On Indicator Inoperative in Lighting Systems
    •  Change Engine Oil Indicator Always On
    •  Change Engine Oil Indicator Inoperative
    •  Charge Indicator Always On in Engine Electrical
    •  Charge Indicator Inoperative in Engine Electrical
    •  Engine Oil Pressure Indicator Always On
    •  Engine Overheated Indicator Always On in Engine Cooling
    •  Engine Coolant Temperature Indicator Always On in Engine Cooling
    •  Low Engine Coolant Indicator Always On in Engine Cooling
    •  Low Engine Oil Level Indicator Always On
    •  Low Engine Oil Level Indicator Inoperative
    •  Low Washer Fluid Indicator Malfunction in Wipers/Washer Systems
    •  Service Indicator Always On in Transfer Case NVG 236/246 NP8
    •  Service Indicator Inoperative in Transfer Case NVG 236/246 NP8
    •  Service Indicator Always On in Transfer Case NVG 263-NP1
    •  Service Indicator Inoperative in Transfer Case NVG 263-NP1
    •  Service Ride Control Indicator Always On in Real Time Damping (RTD)
    •  Service Ride Control Indicator Inoperative in Real Time Damping (RTD)
    •  Water-in-Fuel Lamp Always On in Engine Controls - 6.6 L
    •  Water-in-Fuel Lamp Inoperative in Engine Controls - 6.6 L

Instrument Cluster Dimming

    •  Interior Backlighting Inoperative in Lighting Systems
    •  Interior Backlighting Does Not Dim in Lighting Systems

Driver Information Center (DIC)

    •  Driver Information Center (DIC) Inoperative
    •  Driver Information Center (DIC) Switch Inoperative

Audible Warnings

    •  Chime Always On
    •  Chime Inoperative