P0520 Code Engine Oil Pressure Sensor/Switch Circuit OBD-II TROUBLE CODE TECHNICAL DESCRIPTIONWHAT DOES THAT MEAN?SYMPTOMSCAUSESDIAGNOSTIC & REPAIR STEPSRELATED DTC DISCUSSIONSNEED MORE HELP WITH A P0520 CODE?Engine Oil Pressure Sensor/Switch CircuitThis diagnostic trouble code (DTC) is a generic OBD-II powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. In our experience the P0520 engine code appears more often on Chevrolet, Dodge, GMC, Mercedes Benz, Pontiac, and Cadillac, but applies to any make/model.See more on obd-codes P0521 CHEVROLET Engine Oil Pressure Sensor/Switch Circuit Learn what does P0521 Chevrolet Engine Oil Pressure Sensor/Switch Circuit Range/Performance means, location and how to repair? The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running.
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