DTC P0455: EVAP Control System Large Leak Detected: Condition

DTC is set when a substantial leak has been detected in evaporative emission system. Possible causes are:

• Purge solenoid valve malfunction.
• Canister Drain Cut Valve (CDCV) malfunction.
• Loose filler cap.
• Charcoal canister malfunction.
• Catch tank malfunction.
• Pressure control valve malfunction.
• Cracked fuel tank.
• Poorly installed fuel tank components.
• Evaporative hoses damaged or loose.
• Low manifold absolute pressure.
• Fuel tank level sensor malfunction.
• Fuel Tank Pressure (FTP) sensor malfunction.
• Engine Coolant Temperature (ECT) sensor malfunction.
• Intake Air Temperature (IAT) sensor malfunction.
• Throttle Position (TP) sensor malfunction.
• Mass Airflow (MAF) sensor malfunction.
• Vehicle Speed Sensor (VSS) malfunction.