P0455/P0456 Set In The Powertrain Control Module (PCM)
This bulletin involves replacing the evaporative emissions purge valve hose due to a split
in the hose that will prevent the system from sealing.
The customer may experience a Malfunction Indicator Lamp (MIL) while driving. Upon
further investigation the technician may find one or more of the following Diagnostic
Trouble Codes (DTCs) set in the PCM memory:
? P0455 EVAP System Large Leak
? P0456 EVAP System Small Leak