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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Engine Control System Diagnosis - 1.6L (2 Of 3) - Optima (Except HEV)) >> DTC P0456: Evaporative Emission System-Leak Detected (Very Small Leak) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Check Fuel Tank Pressure (FTP) with Canister Control Valve (CCV) and Purge Control Solenoid Valve (PCSV) closed after the P0455 monitor
  1. Fuel Filler Cap missing
  2. Leakage in each hose/fuel filler pipe
  3. Leakage in CCV/Canister/Fuel tank
Enable Conditions
  • Canister Control Valve (CCV) Close
  • Purge Control Solenoid Valve (PCSV) Close
Threshold value
  • Tank pressure gradient greater than 27.5-34Pa/s
Diagnosis Time
  • 15s
MIL On Condition
  • 3 driving cycles
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