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P0443 - EVAP System Purge Control Valve A Circuit

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DTC DESCRIPTION P0443 - EVAP SYSTEM PURGE CONTROL VALVE A CIRCUIT

Description:  This DTC sets when the signal moves outside the minimum or maximum limit for the commanded state.
Possible Causes: 
  • VPWR circuit open
  • EVAPCP circuit open
  • EVAPCP circuit short to ground
  • EVAPCP circuit short to voltage
  • Damaged EVAP purge valve
Diagnostic Aids:  To verify normal function, monitor the EVMV PID or EVAPCP PID and the signal voltage (PCM control side). With the valve closed, the EVMV indicates 0 mA (0% duty cycle for EVAPCP) and voltage approximately equal to battery voltage. When the valve is commanded fully open, EVMV indicates 1,000 mA (100% duty cycle for EVAPCP) and a voltage drop of 3 volts minimum is normal.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HX.
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