Fuel Gauge: Description and Operation

FUEL GAGE

The PCM sends fuel level percent to the IPC via class 2. The IPC displays the fuel level as determined by the ECM. The fuel gage defaults to E (empty) if:
- The ECM detects a malfunction in the fuel level sensor circuit.
- The IPC detects a loss of class 2 communications with the ECM.

When the fuel level is less than 10%, the LOW FUEL message illuminates.