Possible Causes
| Possible Causes |
|---|
| LIN BUS CIRCUIT OPEN OR SHORTED |
| FUSED B+ CIRCUIT OPEN |
| POOR GROUND THROUGH ALTERNATOR CASE |
| ALTERNATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .