P0523 GMC Engine Oil Pressure Sensor Circuit High Voltage

Possible causes
– Low oil level or motor mechanical fault
– Faulty Oil Pressure sensor
– Oil Pressure Sensor harness is open or shorted
– Oil Pressure Sensor circuit poor electrical connection
When is the obd code mean?
The P0522 is set when the Powertrain Control Module (PCM) senses a signal voltage higher than the normal operating range of the Engine Oil Pressure (EOP) sensor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Oil pressure warning light ON
P0523 GMC OBD Code Description