P053A - Positive Crankcase Ventilation (PCV) Heater Control Circuit / Open

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION P053A - Positive Crankcase Ventilation (PCV) Heater Control Circuit / Open
P053A - POSITIVE CRANKCASE VENTILATION (PCV) HEATER CONTROL CIRCUIT / OPEN

Description:  This DTC sets when the powertrain control module (PCM) detects a positive crankcase ventilation (PCV) heater circuit failure.
Possible Causes: 
  • Open or shorted PCV circuit
  • Damaged PCV heater assembly
Diagnostic Aids:  Make sure the PCV valve is correct for the engine application and the PCV heater connector is properly connected.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - refer to PINPOINT TEST HG .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.