FixVault

On Board Diagnosis Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSES CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0181
P0181
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 (Fuel tank temperature sensor circuit is open or shorted)
  • Fuel tank temperature sensor