CYLINDER AS-HYDRAULIC 4892563 - Caterpillar

Table 1
Diagnostic Trouble Codes
J1939 Code and Description System Response
111-1
Engine Coolant Level : Low - most severe (3) The engine has been running for 30 seconds. The engine coolant level has fallen below the coolant level sensor for the specified delay time.
Engine power is shutdown. The code is logged.
111-17
Engine Coolant Level : Low - least severe (1) The engine has been running for 30 seconds. The engine coolant level has fallen below the coolant level sensor for the specified delay time.
The code is logged.
111-18
Engine Coolant Level : Low - moderate severity (2) The engine has been running for 30 seconds. The engine coolant level has fallen below the coolant level sensor for the specified delay time.
Engine power is derated. The code is logged. Probable Causes
Low Coolant Level and/or Coolant Leakage
Coolant level sensorRecommended Actions
Note: The procedures have been listed in order of probability. Complete the procedures in order.Complete the procedure in the order in which the steps are listed.
Table 2
Troubleshooting Test Steps Values Results
1. Low Coolant Level and/or Coolant Leakage
A. Inspect the coolant level.
Coolant Level
Result: The engine coolant level is OK.
Proceed to Test Step 2.
Result: The engine coolant level is not OK.
Repair: Troubleshoot the cause of the incorrect coolant level.
1. Check for the correct mixture of antifreeze and water. Refer to Operation and Maintenance Manual.
2. Check the cooling system for leaks. Refer to Systems Operation/Testing and Adjusting, "Cooling System - Test" for the correct procedure. Repair any leaks immediately.
3. Check for combustion gas in the cooling system. Refer to Systems Operation/Testing and Adjusting, "Testing the Cooling System" for the correct procedure.
If the problem is not resolved, proceed to Test Step 2.
2. Faulty Sensor
A. If an electrical problem with the coolant level sensor is suspected, refer to Troubleshooting, "Coolant Level - Test" for information that is related to troubleshooting an electrical problem with the coolant level sensor.
Coolant Level Sensor
Result: The coolant level sensor is not operating properly.
Repair: Replace the coolant level sensor.
Verify that the repair eliminated the problem.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).