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Home >> Saturn >> 2007 >> Vue Red Line, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0520 >> Circuit/System Description

Circuit/System Description

The engine control module (ECM)/powertrain control module (PCM) monitors the signal circuit of the engine oil pressure (EOP) sensor. When the oil pressure is high, the sensor is open, and the ECM/PCM senses a high signal voltage. When the oil pressure is low, the sensor is closed, and the ECM/PCM senses a low signal voltage.

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