P053A FORD – Positive Crankcase Ventilation Heater Control Circuit / Open

P053A FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P053A FORD Possible Causes

Faulty Positive Crankcase Ventilation (PCV) heater assembly,Positive Crankcase Ventilation (PCV) heater assembly harness is open or shorted,Positive Crankcase Ventilation (PCV) heater assembly circuit poor electrical connection

P053A FORD Description

The Engine Control Module (ECM) monitors the Positive Crankcase Ventilation Heater Control Circuit. The P053A codes set when the Powertrain Control Module (PCM) detects that the actual Positive Crankcase Ventilation Heater Control (PCVHC) circuit voltage is less than the desired voltage.