DTC P1489: PCV Heater Control Circuit

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P1489 - PCV HEATER CONTROL CIRCUIT

Description: This DTC sets when the PCM detects the actual PCVHC circuit voltage is less than or greater than the desired voltage.
Possible Causes: PCVHC circuit open, short to ground or voltage IGN START/RUN circuit open or short to ground Damaged positive crankcase ventilation (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 .