Symptoms (Instrument Panel, Gages and Console)
SYMPTOMS - INSTRUMENT PANEL, GAGES AND CONSOLE
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:
- There are no DTCs set.
- The control modules can communicate via the serial data link. Diagnostic System Check - Vehicle
2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
- Instrument Panel Cluster (IPC) 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.
- 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.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
Gages and Odometer
- Instrument Cluster Inoperative Instrument Cluster Inoperative
- Engine Oil Pressure Gage Inaccurate or Inoperative Engine Oil Pressure Gage Inaccurate or Inoperative
- Fuel Gage Inaccurate or Inoperative Fuel Gage Inaccurate or Inoperative
- Instrument Panel Cluster (IPC) Gages Inoperative Instrument Panel Cluster (IPC) Gages Inoperative
- Odometer Trip/Reset Switch Inoperative Odometer Trip/Reset Switch Inoperative
- Speedometer and/or Odometer Inaccurate or Inoperative Speedometer and/or Odometer Inaccurate or Inoperative
- Tachometer Inaccurate or Inoperative Tachometer Inaccurate or Inoperative
- Volt Gage Inaccurate or Inoperative Volt Gage Inaccurate or Inoperative
- Change Engine Oil Indicator Always On Change Engine Oil Indicator Always On
- Low Engine Oil Level Indicator Always On Low Engine Oil Level Indicator Always On
Indicators
- Service Indicator Always On in Transfer Case BW 4484 Service Indicator Always On
- Service Indicator Inoperative in Transfer Case BW 4484 Service Indicator Inoperative
- Brake Warning Indicator Always On in Hydraulic Brakes Brake Warning Indicator Always On
- Brake Warning Indicator Inoperative in Hydraulic Brakes Brake Warning Indicator Inoperative
- ABS Indicator Always On in Antilock Brake System ABS Indicator Always On
- ABS Indicator Inoperative in Antilock Brake System ABS Indicator Inoperative
- Traction Off Indicator Always On in Antilock Brake System Traction Off Indicator Always On
- Traction Off Indicator Inoperative in Antilock Brake System Traction Off Indicator Inoperative
- Charge Indicator Always On in Starting and Charging Charge Indicator Always On
- Charge Indicator Inoperative in Starting and Charging Charge Indicator Inoperative
- Malfunction Indicator Lamp (MIL) Inoperative in Computers and Control Systems - 6.0L (LG4) Malfunction Indicator Lamp (MIL) Inoperative
- Malfunction Indicator Lamp (MIL) Always On in Computers and Control Systems - 6.0L (LG4) Malfunction Indicator Lamp (MIL) Always On
- Tow/Haul Switch/Indicator Always On or Inoperative in Automatic Transmission - 4L60E
- Change Engine Oil Indicator Always On Change Engine Oil Indicator Always On
- Low Engine Oil Level Indicator Always On Low Engine Oil Level Indicator Always On
- High Beam Indicator Always On in Lighting Systems High Beam Indicator Always On
- High Beam Indicator Inoperative in Lighting Systems High Beam Indicator Inoperative
- Turn Signal Lamps and/or Indicators Always On or Flashing in Lighting Systems Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems Turn Signal Lamps and/or Indicators Always On or Flashing
- Air Bag Indicator Circuit Malfunction in Restraint Systems Air Bag Indicator Circuit Malfunction
Instrument Cluster Dimming
- Interior Backlighting Inoperative in Lighting Systems Interior Backlighting Inoperative
- Interior Backlighting Does Not Dim in Lighting Systems Interior Backlighting Does Not Dim
Driver Information Center (DIC)
Driver Information Center (DIC) Switch(es) Inoperative Driver Information Center (DIC) Switch(es) Inoperative
Audible Warnings
- Chime Always On Chime Always On
- Chime Inoperative Chime Inoperative