Important: The following steps must be completed before using the symptom tables.
| • | There are no DTCs set. |
| • | The control module(s) can communicate via the serial data link. |
| • | Inspect for aftermarket devices which could affect the operation of the instrument cluster. 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. |
| • | For any indicator or driver information center (DIC) message relating to fluid level, perform a visual inspection of the fluid level before beginning diagnosis. |
| • | Verify that the indicators work properly during the bulb check. |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
The following is a list of the symptoms for the instrument cluster (IPC) gauges and PRNDL display:
The following is a list of the symptoms for the instrument cluster (IPC) indicators or a reference to the related subsection:
| • | ABS Indicator Always On in Antilock Brake System. |
| • | ABS Indicator Inoperative in Antilock Brake System. |
| • | Battery Charge Indicator Always On in Engine Electrical |
| • | Battery Charge Indicator Inoperative in Engine Electrical |
| • | Brake Warning Indicator, Message, and Chime Always On in Hydraulic Brakes |
| • | Brake Warning Indicator, Message, and Chime Inoperative in Hydraulic Brakes |
| • | BRAKE Indicator Always On in Hydraulic Brakes |
| • | BRAKE Indicator Inoperative in Hydraulic Brakes |
| • | CRUISE Indicator Always On in Cruise Control |
| • | CRUISE Indicator Inoperative in Cruise Control |
| • | Engine Coolant Temperature Indicator Always On in Engine Cooling |
| • | Engine Coolant Temperature Indicator Inoperative in Engine Cooling |
| • | Fasten Safety Belt Indicator/Chime Always On in Seat Belts |
| • | Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts |
| • | Malfunction Indicator Lamp (MIL) (SERVICE ENGINE SOON) Indicator Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | Fog Lamp Indicator Always On in Lighting Systems |
| • | Rear Fog Lamp Indicator Always On in Lighting Systems |
| • | Fog Lamp Indicator Inoperative in Lighting Systems |
| • | Fog Lamp Indicator Inoperative in Lighting Systems |
| • | High Beam Indicator Always On in Lighting Systems |
| • | High Beam Indicator Inoperative in Lighting Systems |
| • | LIGHTS ON Indicator Always On in Lighting Systems |
| • | LIGHTS ON Indicator Inoperative in Lighting Systems |
| • | SECURITY Indicator Always On or Flashing in Theft Deterrent |
| • | SECURITY Indicator Inoperative in Theft Deterrent |
| • | TRACTION CONTROL Indicator Always On in Antilock Brake System |
| • | TRACTION CONTROL Indicator Inoperative in Antilock Brake System |
| • | Turn Signal Indicator Always On - Left Side in Lighting Systems |
| • | Turn Signal Indicator Always On - Right Side in Lighting Systems |
| • | Turn Signal Indicators Inoperative - Left Side in Lighting Systems |
| • | Turn Signal Indicators Inoperative - Right Side in Lighting Systems |
The following is a list of the symptoms for the driver information center (DIC) or a reference to the related subsection:
| • | BATTERY NOT CHARGING Message Always On or Inoperative. Refer to Diagnostic System Check - Engine Electrical in Engine Electrical. |
| • | BATTERY SAVER ACTIVE Message Always On or Inoperative. Refer to Diagnostic System Check - Engine Electrical in Engine Electrical. |
| • | BATTERY VOLTS HIGH Message Always On or Inoperative. Refer to Diagnostic System Check - Engine Electrical in Engine Electrical. |
| • | BATTERY VOLTS LOW Message Always On or Inoperative. Refer to Diagnostic System Check - Engine Electrical in Engine Electrical. |
| • | CHANGE ENGINE OIL Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | CHANGE TRANS FLUID Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | CHECK BRAKE FLUID Message Always On. Refer to Brake Warning Indicator, Message, and Chime Always On in Hydraulic Brakes. |
| • | CHECK BRAKE FLUID Message Inoperative. Refer to Brake Warning Indicator, Message, and Chime Inoperative in Hydraulic Brakes. |
| • | CHECK BRAKE PADS Message Always On or Inoperative. Refer to Diagnostic System Check - ABS in Antilock Brake System. |
| • | CHECK COOLANT LEVEL Message Always On in Engine Cooling. |
| • | CHECK COOLANT LEVEL Message Inoperative in Engine Cooling. |
| • | CHECK FUEL GAGE Message Always On or Inoperative. Refer to Fuel Gage Inaccurate or Inoperative . |
| • | CHECK GAS CAP Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | CHECK OIL LEVEL Message Always On. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | CHECK WASHER FLUID Message Always On in Wiper/Washer System |
| • | CHECK WASHER FLUID Message Inoperative in Wiper/Washer System |
| • | DRIVER DOOR AJAR Message Always On. Refer to DOOR AJAR Message Always On in Doors. |
| • | DRIVER DOOR AJAR Message Inoperative. Refer to DOOR AJAR Message Inoperative in Doors. |
| • | ENGINE COOLANT HOT/IDLE ENGINE Message Always On or Inoperative. Refer to Diagnostic System Check in Engine Cooling. |
| • | ENGINE HOT - AC OFF Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | ENGINE OVERHEATED/STOP ENGINE Message Always On or Inoperative. Refer to Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | FUEL LEVEL LOW Message Always On or Inoperative. Refer to Fuel Gage Inaccurate or Inoperative . |
| • | HEADLAMPS SUGGESTED Message Always On or Inoperative. Refer to Diagnostic System Check - Lighting Systems in Lighting Systems. |
| • | ICE POSSIBLE Message Always On or Inoperative. Refer to Diagnostic System Check in HVAC Systems - Automatic. |
| • | LEFT REAR DOOR AJAR Message Always On. Refer to DOOR AJAR Message Always On in Doors. |
| • | LEFT REAR DOOR AJAR Message Inoperative. Refer to DOOR AJAR Message Inoperative in Doors. |
| • | OIL PRESSURE LOW/STOP ENGINE Message Always On. Refer to Engine Oil Pressure Indicator Always On . |
| • | OIL PRESSURE LOW/STOP ENGINE Message Inoperative. Refer to Engine Oil Pressure Indicator Inoperative . |
| • | PASSENGER DOOR AJAR Message Always On. Refer to DOOR AJAR Message Always On in Doors. |
| • | PASSENGER DOOR AJAR Message Inoperative. Refer to DOOR AJAR Message Inoperative in Doors. |
| • | RIGHT REAR DOOR AJAR Message Always On. Refer to DOOR AJAR Message Always On in Doors. |
| • | RIGHT REAR DOOR AJAR Message Inoperative. Refer to DOOR AJAR Message Inoperative in Doors. |
| • | SERVICE AC SYSTEM Message Always On or Inoperative. Refer to Diagnostic System Check in HVAC Systems - Automatic. |
| • | SERVICE AIR BAG Message Always On or Inoperative. Refer to Diagnostic System Check - SIR in SIR. |
| • | SERVICE CHARGING SYS Message Always On or Inoperative. Refer to Diagnostic System Check - Engine Electrical in Engine Electrical. |
| • | SERVICE ELECTRICAL SYS Message Always On or Inoperative. Refer to Diagnostic System Check - Engine Electrical in Engine Electrical. |
| • | SERVICE FUEL SYSTEM Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | SERVICE IDLE CONTROL Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | SERVICE STABILITY SYS Message Always On or Inoperative. Refer to Diagnostic System Check - ABS in Antilock Brake System. |
| • | SERVICE STEERING SYS Message Always On or Inoperative. Refer to Diagnostic System Check - Variable Effort Steering in Variable Effort Steering. |
| • | SERVICE SUSPENSION SYS Message Always On or Inoperative. Refer to A Diagnostic System Check in Road Sensing Suspension - RSS. |
| • | SERVICE THEFT SYSTEM Message Always On or Inoperative. Refer to Diagnostic System Check - Theft Deterrent in Theft Deterrent. |
| • | SERVICE TRANSMISSION Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | SERVICE VEHICLE SOON Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | SNAPSHOT TAKEN Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | SPEED LIMITED TO XXX Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | STABILITY SYS ENGAGED Message Always On or Inoperative. Refer to Diagnostic System Check - ABS in Antilock Brake System. |
| • | STARTING DISABLED/REMOVE KEY Message Always On or Inoperative. Refer to Diagnostic System Check - Theft Deterrent in Theft Deterrent. |
| • | THEFT ATTEMPTED Message Always On or Inoperative. Refer to Diagnostic System Check - Theft Deterrent in Theft Deterrent. |
| • | TOP SPEED FUEL CUT-OFF Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | TRACTION ENGAGED Message Always On or Inoperative. Refer to Diagnostic System Check - ABS in Antilock Brake System. |
| • | TRACTION OFF Message Always On in Antilock Brake System |
| • | TRACTION OFF Message Inoperative in Antilock Brake System |
| • | TRACTION SUSPENDED Message Always On or Inoperative. Refer to Diagnostic System Check - ABS in Antilock Brake System. |
| • | TRACTION ENGAGED Message Always On or Inoperative. Refer to Diagnostic System Check - ABS in Antilock Brake System. |
| • | TRANS HOT IDLE ENGINE Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |
| • | TRUNK OPEN Message Always On in Body Rear End |
| • | TRUNK OPEN Message Inoperative in Body Rear End |
| • | TURN SIGNAL ON Message Always On or Inoperative. Refer to Diagnostic System Check - Lighting Systems in Lighting Systems. |
| • | VEHICLE OVERSPEED Message Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.6L. |