Possible Causes
| POSSIBLE CAUSES |
|---|
| (K20) ALTERNATOR FIELD CONTROL CIRCUIT SHORTED TO VOLTAGE |
| (K20) ALTERNATOR FIELD CONTROL CIRCUIT SHORTED TO GROUND |
| (K20) ALTERNATOR FIELD CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| ALTERNATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .