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. Possible causes are:
- Engine coolant temperature sensor malfunction.
- Thermostat malfunction.
- Engine cooling fan system malfunction.
- Water pump malfunction.
- Engine coolant passage clogged or leaks.
- Engine coolant level or mixture incorrect.