DTC P1009 - EVAP System Self Test Not Able To Complete

DTC DESCRIPTION P1009 - EVAP SYSTEM SELF TEST NOT ABLE TO COMPLETE

Description: This DTC sets when the EVAP system monitor is unable to complete due to EVAP system or component concerns.
Possible Causes: Excessive fuel tank vapor pressure Excessive fuel tank vacuum Vehicle is in RUN mode Vehicle refueled during EVAP system monitor
Diagnostic Aids: This DTC may be accompanied by other DTCs. Carry out the key ON, engine OFF (KOEO) self-test. Diagnose the other DTCs first. If no other DTCs are present, inspect the EVAP system for causes of excessive fuel vapor pressure or vacuum. Check the EVAP system for any visual signs of damage. If no concerns are present, clear the DTC and repeat the self-test.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.