DTC P0456: EVAP System (CPC) Leak Detected (Very Small Leak)

For the diagnostic procedure and detection standard, refer to DTC P0455. Ref. to  ENGINE (DIAGNOSTICS) (H4DO)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P0455: EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)  .