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.