DTC Summary

WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. 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	Note
P2418-7F	Evaporative Emission System Switching Valve Control Circuit Actuator Stuck Off	Following condition met during key-off EVAP monitor: EVAP pressure change when vent valve closed (on) less than 0.3 kPa (gauge) [0.044 psi (gauge)]	Canister pump module (reference orifice, leak detection pump, vent valve) Wire harness or connector (Canister pump module - ECM) Canister (filter inside canister clogged) ECM	Comes on	SAE Code: P2420

DTC No.	Monitoring Item	Detection Timing	Detection Logic	SAE
P2418-7F	Vent valve stuck open (vent)	EVAP monitoring (ignition switch off)	2 trip	P2420

HINT:

The vent valve is built into the canister pump module.