why low oil pressure light comes on and stays on but oil pressure seems fine on 1999 Cadillac Seville STS

oil can light comes on and information center readout says low oil pressure shut engine down yet no noise from engine indicating low oil pressure

Asked by for the 1999 Cadillac Seville STS
2 answers
It's your oil pressure sending unit sensor
Located on your engine block
check the oil pressure with a manual gauge...if oil pressure ok then replace the sensor as #1 says