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Home >> Mercury >> 2009 >> Sable Premier, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1255 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P0463: - Fuel Level Sensor A Circuit High

DTC P0463: - Fuel Level Sensor A Circuit High

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC 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) (E-Series, MKS)
  • Damaged instrument cluster (IC)
  • FLI circuit open
  • FLI short to VPWR
  • 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 
All GO to Pinpoint Test HX .
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