Possible Causes
| Possible Causes |
|---|
| CAC COOLANT PUMP RELAY CONTROL CIRCUIT SHORTED TO GROUND |
| CHARGE AIR COOLER COOLANT PUMP RELAY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .