DTC Summary

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P2450-7E	Evaporative Emission System Switching Valve Actuator Stuck On	Either of the following conditions is met when fuel tank pressure is higher than -2 kPa(gauge) [-0.3 psi(gauge)], and less than 3 kPa(gauge) [0.4 psi(gauge)]. Fuel tank pressure change when vacuum introduction for canister is higher than 0.5 kPa [0.07 psi] EVAP pressure when vacuum introduction for canister was complete is higher than (third reference pressure x 0.2)	Fuel vapor-containment valve Connector/wire harness (fuel vapor-containment valve - ECM) ECM	Comes on	DTC stored	SAE Code: P2450
P2451-7F	Evaporative Emission System Switching Valve Actuator Stuck Off	Either of the following conditions is met: Fuel tank pressure change when vacuum introduction for canister is less than 0.5 kPa [0.07 psi] EVAP pressure change when fuel vapor-containment valve is open is less than 0.9 kPa [0.1 psi]	Fuel vapor-containment valve Connector/wire harness (fuel vapor-containment valve - ECM) ECM	Comes on	DTC stored	SAE Code: P2451

DTC No.	Monitoring Item	Detection Timing	Detection Logic	SAE Code
P2450-7E	Fuel vapor-containment valve stuck open	EVAP monitoring (ignition switch off)	2 trip	P2450
P2451-7F	Fuel vapor-containment valve stuck close	EVAP monitoring (ignition switch off)	2 trip	P2451