DTC P0463: Fuel Level Sensor A Circuit High

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.

P0463 - FUEL LEVEL SENSOR A CIRCUIT HIGH

Description:	The powertrain control module (PCM) monitors the fuel level input (FLI) communications network message for a concern. The test fails when the FLI signal is greater than the maximum allowable calibrated parameter for a specified fuel fill percentage in the fuel tank.
Possible Causes:	Fuel pump (FP) module concern Incorrectly installed fuel gauge Damaged instrument panel cluster (IPC) Damaged instrument cluster (IC) FLI circuit open FLI circuit short to voltage Overfilled fuel tank Damaged fuel gauge
Diagnostic Aids:	See the diagnostic aids for DTC P0462 .
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
Fiesta	GO to PINPOINT TEST HZ .
All others	GO to PINPOINT TEST HX .