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Symptom: P0125-CLOSED LOOP TEMP NOT REACHED When Monitored and Set Condition: P0125-CLOSED LOOP TEMP NOT REACHED When Monitored: With battery voltage greater than 10.4 volts, after engine is started, for ten minutes. Set Condition: The engine temperature does not go above 18 deg. F by 10 minutes after the engine is started. Two trips are required to set this DTC. POSSIBLE CAUSES ECT SENSOR (OUT OF CALIBRATION) LOW COOLANT LEVEL THERMOSTAT OPERATION ECT WIRING HARNESS INTERMITTENT TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTCs. Is the Good Trip Counter for P0125 displayed and equal to zero? All Yes → No → 2 NOTE: If a ECT DTC set along with this code, diagnose the ECT DTC first. All Yes → No → Inspect the vehicle for a coolant leak and add the necessary 84 DRIVEABILITY - GAS |