Low Oil Pressure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The IPC illuminates the LOW OIL PRESSURE indicator when the PCM detects low engine oil pressure, and the signal circuit is low. The IPC receives a class 2 message from the PCM.
The DIC illuminates the LOW OIL PRESSURE message when the PCM detects low engine oil pressure, and the signal circuit is low. The DIC receives a class 2 message from the PCM.