DTC P051B - Crankcase Pressure Sensor Circuit Range/Performance

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DTC DESCRIPTION P051B - CRANKCASE PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE

Description:	This DTC sets when the crankcase pressure sensor is greater than or less than an expected value for the current operating conditions.
Possible Causes:	Crankcase pressure sensor is not within a calibrated range during key ON, engine OFF Crankcase pressure sensor voltage indicates high pressure Crankcase pressure sensor voltage indicates high vacuum at low airflow Leak in the positive crankcase ventilation (PCV) system Damaged crankcase pressure sensor
Diagnostic Aids:
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST HG .