FixVault

DTC Detection Logic

DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0181 FTT SENSOR
[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 FTT sensor circuit is open or shorted)
  • Fuel tank temperature sensor
  • Combination meter