Low Fuel
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
The IPC illuminates the low fuel indicator when the IPC detects that the fuel level is less than a predetermined value. The IPC receives a class 2 message from the PCM indicating the fuel level percent.