FixVault

DTC Detection Logic

DTC DETECTION CONDITION

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P0125 ECT SENSOR (Insufficient coolant temperature for closed loop fuel control)
  • Voltage sent to ECM from the sensor is not practical, even when some time has passed after starting the engine.
  • Engine coolant temperature is insufficient for closed loop fuel control.