P0125

Tests 1 - 2:

Tests 3 - 5:

SYMPTOM
P0125 - CLOSED LOOP TEMPERATURE 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 °F within 10 minutes after the engine is started. Two trips are required to set this DTC.

POSSIBLE CAUSES
- Thermostat
- ECT sensor (out of calibration/high resistance in related circuit)
- Low coolant level
- ECT wiring harness intermittent problem