Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P2450: EVAP System Switching Valve Performance/Stuck Open: Notes
- -
DTC detecting condition:
Detected when two consecutive driving cycles with fault occur.
Trouble symptom:
- Gasoline odor
- The fuel lid does not open even if the fuel door release switch is pressed
After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure . Ref. to ENGINE (DIAGNOSTICS) (H4DO(HEV))>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
- CHECK Electric Vent Solenoid Valve
.
Check Electric Vent Solenoid Valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO(HEV))>ELECTRIC VENT SOLENOID VALVE ASSEMBLY>INSPECTION>CHECK ELECTRIC VENT SOLENOID VALVE AREA .
Is the check result OK?
Yes: Go to 2.
No: Replace Electric Vent Solenoid Valve ASSEMBLY. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO(HEV))>ELECTRIC VENT SOLENOID VALVE ASSEMBLY .
- CHECK MECHANICAL FAULTS
.
Check the evaporative emission control system.
NOTE:Check the following items .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.