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 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