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Home >> Ford >> 2018 >> Transit Connect XL, Van Cargo >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0443 - EVAP System Purge Control Valve A Circuit

DTC P0443 - EVAP System Purge Control Valve A Circuit

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
  • Damaged PCM
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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