Possible Causes
| Possible Causes |
|---|
| ALTERNATOR FIELD CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE |
| ALTERNATOR FIELD CONTROL CIRCUIT OPEN/HIGH RESISTANCE |
| ALTERNATOR FIELD CONTROL CIRCUIT SHORTED TO GROUND |
| POOR ALTERNATOR CASE GROUND |
| ALTERNATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .