Evaporative Emission Control System Vent Control Circuit
| Code | P0446 |
| Description | Evaporative Emission Control System Vent Control Circuit |
| Possible Causes | The EVAP vent control circuit has failed. |
| System | Emission Controls |
Evaporative Emission Control System Vent Control Circuit. This diagnostic trouble code (DTC) is stored when the vehicle's onboard computer detects an issue with the emission controls.
P = Powertrain code
0 = Generic (SAE standard)