LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Engine Control System (SFI) (M20A-FXS) - Diagnostic Codes (5 Of 6) (Hybrid)) >> SFI System >> DTC P2450-7E: Evaporative Emission System Switching Valve Actuator Stuck On; DTC P24517F: Evaporative Emission System Switching Valve Actuator Stuck Off [10/2018 - ] >> DTC Summary

DTC Summary

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. 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
P24507E Evaporative Emission System Switching Valve Actuator Stuck On Either of the following conditions is met when the 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
P24517F 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
P24507E Fuel vapor-containment valve stuck open EVAP monitoring
(power switch off)
2 trip P2450
P24517F Fuel vapor-containment valve stuck close P2451