Possible Causes
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| OBD VENT VALVE CONTROL CIRCUIT OPEN/HIGH RESISTANCE |
| OBD VENT VALVE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to: PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .