COUPLER GP- 3156443 - Caterpillar

Table 1
Diagnostic Trouble Code for Low Coolant Level    
J1939 Code    Description    Information About the Code    
111-18     Engine Coolant Level : Low - Level 2     The coolant level switch is operating correctly. The coolant level is low.
The engine has been running for 10 seconds.
The engine will be derated when the code becomes active.
   
111-1     Engine Coolant Level : Low - Level 3     The coolant level switch is operating correctly. The coolant level is low.
The engine has been running for 10 seconds.
The engine will shut down 10 seconds after the code becomes active.
Factory passwords are required in order to clear the logged code.    Inspect the cooling system. Refer to Systems Operation, Testing, and Adjusting, "Cooling System - Test" for the correct procedure.