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

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

DTC P053A: POSITIVE CRANKCASE VENTILATION (PCV) HEATER CONTROL CIRCUIT/OPEN

Description:	This DTC sets when the powertrain control module (PCM) detects that the actual PCVHC circuit voltage is less than the desired voltage.
Possible Causes:	PCVHC circuit open or short to ground IGN START/RUN circuit open or short to ground Damaged PCV heater assembly
Diagnostic Aids:	Make sure the PCV valve is correct for the engine application and the PCV heater connector is correctly connected.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	-	-	GO to PINPOINT TEST HG .