DTC Set Criteria

DTC will set if engine coolant temperature decreases from above to below 104°F (40°C), or engine coolant temperature has continued to be 104°F (40°C) or less for 5 minutes.
DTC will set if about 60-300 seconds have passed for engine coolant temperature to rise to about 45°F (7°C) after starting sequence was completed, or time is not counted when fuel is shut off.