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P053A - Positive Crankcase Ventilation Heater A Control Circuit/Open

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DTC DESCRIPTION P053A - POSITIVE CRANKCASE VENTILATION HEATER A CONTROL CIRCUIT /OPEN

Description:  This DTC sets when the PCM detects the actual CVHC circuit voltage is less than the desired voltage.
Possible Causes: 
  • CVHC circuit open
  • CVHC circuit short to ground
  • VPWR circuit open
  • VPWR circuit short to ground
  • Damaged crankcase ventilation heater assembly
Diagnostic Aids:  Make sure the crankcase ventilation heater connector is correctly connected.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST C .
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