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Home >> Ford >> 2021 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P2418 - EVAP System Switching Valve Control Circuit/Open

P2418 - EVAP System Switching Valve Control Circuit/Open

DTC DESCRIPTION P2418 - EVAP SYSTEM SWITCHING VALVE CONTROL CIRCUIT/OPEN

Description:  This DTC sets when the signal moves outside the minimum or maximum limit for the commanded state of the evaporative emission (EVAP) vapor blocking valve.
Possible Causes: 
  • VPWR circuit open
  • VBV circuit open
  • VBV circuit short to ground
  • Damaged EVAP vapor blocking valve
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HX.