P0456 - EVAP System Leak Detected (Very Small Leak)

P0456 - EVAP SYSTEM LEAK DETECTED (VERY SMALL LEAK)

Description:	This DTC sets when a fuel vapor leak from an opening as small as 0.508 mm (0.020 inch) is detected in the evaporative emission (EVAP) system.
Possible Causes:	Very small holes or cuts in the fuel vapor hoses or tubes Incorrect fuel vapor hose or tube connections to the EVAP system components EVAP system component seals leaking Damaged EVAP purge valve Damaged EVAP leak detection control module
Diagnostic Aids:	Verify the capless fuel tank filler pipe is sealed correctly. Install and remove the supplemental fueling adapter five times in the capless fuel tank filler pipe to clear debris on the seal. Refer to the Owners Literature for the location of the supplemental fueling adapter in the vehicle.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test HX .