Important: The following steps must be completed before using the symptom tables.
| • | There are no DTCs set. | 
| • | The control modules can communicate via the serial data link. | 
| • | Inspect for aftermarket devices which could affect the operation of the instrument panel cluster, driver information center or audible warnings system. 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 the proper fluid levels. | 
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:
| • | ABS Indicator Always On in Antilock Brake System | 
| • | ABS Indicator Inoperative in Antilock Brake System | 
| • | Brake Warning Indicator Always On in Hydraulic Brakes | 
| • | Brake Warning Indicator Inoperative in Hydraulic Brakes | 
| • | Charge Indicator Always On in Engine Electrical | 
| • | Charge Indicator Inoperative in Engine Electrical | 
| • | Cruise Control Inoperative/Malfunctioning in Cruise Control | 
| • | Cruise Control Indicator Inoperative in Cruise Control | 
| • | Door Ajar Indicator Malfunction in Doors | 
| • | Engine Coolant Temperature Indicator Always On in Engine Cooling | 
| • | High Beam Indicator Inoperative in Lighting Systems | 
| • | Low Tire Pressure Indicator Always On in Tire Pressure Monitoring | 
| • | Low Tire Pressure Indicator Does Not Reset in Tire Pressure Monitoring | 
| • | Low Tire Pressure Indicator Inoperative in Tire Pressure Monitoring | 
| • | Low Traction Indicator Always On in Antilock Brake System | 
| • | Low Traction Indicator Inoperative in Antilock Brake System | 
| • | Low Washer Fluid Indicator Malfunction in Wipers/Washer Systems | 
| • | Malfunction Indicator Lamp (MIL) Always On in Engine Controls - 3.1L | 
| • | Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 3.1L | 
| • | Malfunction Indicator Lamp (MIL) Always On in Engine Controls - 3.8L | 
| • | Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 3.8L | 
| • | Seat Belt Indicator Circuit Malfunction in Seat Belts | 
| • | Security Indicator Inoperative in Theft Deterrent | 
| • | Traction Off Indicator Always On in Antilock Brake System | 
| • | Traction Off Indicator Inoperative in Antilock Brake System | 
| • | Turn Signal Lamps and/or Indicators Always On or Flashing in Lighting Systems | 
| • | Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems | 
Driver Information Center (DIC) Switch Inoperative