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P2418 - EVAP System Switching Valve Control Circuit/Open

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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: EVAPORATIVE EMISSION (EVAP) SYSTEM AND MONITOR .