DTC P0125 - Excessive Time To Enter Closed Loop: Condition
DTC is set when engine coolant temperature has not increased after engine is started and default period of time has passed with closed position switch in OFF position. Possible causes are:
- Powertrain coolant temperature sensor malfunction.
- Thermostat malfunction.
- Engine cooling fan system malfunction.
- Water pump malfunction.
- Powertrain coolant passage clogged or leaks.
- Powertrain coolant level or mixture incorrect.