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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZI-3.5) >> DTC P0463 >> Notes
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DTC P0463: Notes

DTC P0463 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0463 Fuel gauge sender unit circuit high input
DETECTION CONDITION 
  • The PCM monitors the fuel level input communications network message for a concern. The test fails if the fuel level input signal is more than the maximum allowable calibrated parameter for a specified fuel-fill percentage in the fuel tank.
POSSIBLE CAUSE 
  • Fuel pump malfunction
  • Incorrectly installed fuel gauge
  • Instrument cluster malfunction
  • Fuel level input signal circuit malfunction
  • Overfilled fuel tank
  • Fuel gauge malfunction
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