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DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control: Description

Refer to DTC P0115 (See DTC P0115 ENGINE COOLANT TEMPERATURE CIRCUIT; DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT; DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT ).

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0125 Engine Coolant Temperature (ECT) does not reach closed-loop enabling temperature for 20 minutes (this period varies with engine start ECT) (2 trip detection logic)
  • Cooling system
  • ECT sensor
  • Thermostat