Grand AM V6-3.4L VIN E (2001)
Fuel Gauge: Description and Operation
The IPC displays the fuel level as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the fuel level volume. The fuel
gage defaults to E (empty) if:
^
The PCM detects a malfunction in the fuel level sensor circuit.
^
The IPC detects a loss of class 2 communications with the PCM.
When the fuel level is less than a predetermined value, the low fuel indicator illuminates