P0520 Cadillac Engine Oil Pressure Sensor/Switch Circuit Malfunction
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
– Faulty oil pressure sensor
– Oil Pressure Sensor harness is open or shorted
– Oil Pressure Sensor circuit poor electrical connection
What about the obd code?
The P0520 Cadillac is detected when the circuit from oil pressure sensor to PCM is malfunction
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Oil pressure warning light ON.
– Oil pressure warning light ON.
P0520 Cadillac Description
The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running.
Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX