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Home >> GMC >> 2017 >> Terrain SL, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0520: Engine Oil Pressure Switch Circuit Malfunction (with LEA engine) >> Diagnostic Aids

Diagnostic Aids

Low engine oil pressure can also cause this DTC to set. If low engine oil pressure is suspected, refer to Oil Pressure Diagnosis and Testing .