Possible Cause
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0444
- Harness or connectors
(The solenoid valve circuit is open or shorted.)
- EVAP canister purge volume control solenoid valve
DTC P0445
- Harness or connectors
(The solenoid valve circuit is shorted.)
- EVAP canister purge volume control solenoid valve