DeVille DTS V8-4.6L VIN 9 (2002)
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 percent. The fuel
gage defaults to empty if:
^
The PCM detects a malfunction in the fuel level sensor signal circuit.
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The IPC detects a loss of class 2 communications with the PCM.
