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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Control System - Diagnostic Codes (10 Of 10), Symptom Tests (1 Of 2) & Circuit Tests (1 Of 2)) >> SFI SYSTEM (for Gasoline Model) >> DTC P2418-7F: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck Off [10/2022 - ] >> DTC Summary

DTC Summary

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. 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 DTC Output from Priority 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 Engine A
  • SAE Code: P2420
  • DTC for Mexico Models: Does not apply
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.

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