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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0448 >> DTC P0181 FTT Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

DTC DETECTING CONDITION

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0181
0181
Fuel tank temperature sensor circuit range/ performance Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signals from engine coolant temperature sensor and intake air temperature sensor.
  • Harness or connectors (The sensor circuit is open or shorted)
  • Fuel tank temperature sensor