DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 111 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0466-P0520)) >> SFI System >> DTC P0466-73: EVAP System Vent Valve Stuck Closed Actuator Stuck Closed [11/2023 - ] >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0466-73 EVAP System Vent Valve Stuck Closed Actuator Stuck Closed Following condition is met during key-off EVAP monitor:
  • EVAP pressure change when vent valve on (closed) less than 0.3 kPa [0.04 psi]
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (Canister pump module - ECM)
  • Canister (filter inside canister clogged)
  • ECM
Comes on DTC stored
  • SAE Code: P2422
  • DTC for Mexico Models: Does not apply
DTC No. Monitoring Item Detection Timing Detection Logic SAE Code
P0466-73 Vent valve (built into canister pump module) stuck closed EVAP monitoring
(ignition switch off)
2 trip P2422

HINT: 

The vent valve is built into the canister pump module.