CYLINDER HEAD GP 7C0041 - Caterpillar

The Electronic Control Module (ECM) detects all of the following conditions:
Engine coolant temperature is greater than 107 °C (225 °F) for more than four seconds.
110-03 "Engine Coolant Temperature open/short to +batt" is not active.
110-04 "Engine Coolant Temperature short to ground" is not active.System Response:The ECM will log the warning. This event is deactivated if coolant temperature falls below 103 °C (217 °F), or if the following diagnostic codes become active:
110-03 "Engine Coolant Temperature open/short to +batt"
110-04 "Engine Coolant Temperature short to ground"Possible Performance Effect:
Low powerTroubleshooting:
There may be a problem with the cooling system.
There may be a problem with the coolant temperature sensor.Test Step 1. Check the Cooling SystemRefer to the information on the cooling system in the engine's Testing and Adjusting manual.Results:
OK - STOP