MANIFOLD 9W7371 - Caterpillar

Which Generate This Code:The Engine Control Module (ECM) detects the following conditions:
The engine coolant temperature is greater than 110 °C (230 °F) for more than 20 seconds.
The engine has been running for at least 30 seconds.System Response:"DIAG" will be displayed next to the status for "Engine Coolant Temperature" on the Caterpillar Electronic Technician (ET). The check engine lamp and the warning lamp will illuminate.Note: If a high coolant temperature lamp is installed, the high coolant temperature lamp will turn on instead of the warning lamp.Customer passwords are required to clear this diagnostic code.The engine will be derated by 25 percent for each 1 °C (1.8 °F) above 110 °C (230 °F) up to 100 percent. A 100 percent derate means that the ECM will use a default torque map and vehicle speed will be limited to 72.4 km/h (45 mph).Note: If the "Engine Monitoring" parameter is programmed to "Shutdown", the engine will be shutdown once this code has been active for 20 seconds.Note: If the "Engine Monitoring" parameter is programmed to "Warning", the engine power is not affected.Test Step 1. Check the Cooling SystemRefer to Testing and Adjusting, "Cooling System - Check".Results:
OK - STOP