What does code P1448 mean?

Q: What does code P1448 mean?

EVAP Canister Vent Control Valve Open. P1448 on Nissan vehicles indicates that the engine control module has detected an open circuit in the evaporative emission control canister vent control valve circuit. The valve is commanded to close during EVAP system leak testing, and the ECM monitors the circuit for expected voltage or current feedback; an open circuit means the valve cannot be actuated or its position cannot be confirmed.

DTC codes / Nissan codes / P1448

P1448 · NissanEVAP Canister Vent Control Valve Open

P1448 on Nissan vehicles indicates that the engine control module has detected an open circuit in the evaporative emission control canister vent control valve circuit. The valve is commanded to close during EVAP system leak testing, and the ECM monitors the circuit for expected voltage or current feedback; an open circuit means the valve cannot be actuated or its position cannot be confirmed.

SystemPowertrain

Code typeNissan specific

SeverityLow

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for Nissan vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.