Possible Causes
WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| OBD VENT VALVE DRIVER CIRCUIT OPEN/HIGH RESISTANCE |
| OBD VENT VALVE DRIVER CIRCUIT SHORTED TO GROUND |
| OBD VENT VALVE |
| POWERTRAIN CONTROL MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .