oil light on 2003 Audi A4 Quattro

What cause the check oil light& buzzer to come on and the level is ok.

chrishall1631@hotmail.com

Asked by for the 2003 Audi A4 Quattro
1 answer
May have sender problem or oil pressure problem. Have the sender checked to see that the wiring is still connected. If remove sender then that is a perfect time to have the pressure checked.