5159513 ENGINE AR-PRIMARY Caterpillar parts
Rating:
Alternative (cross code) number:
CA5159513
515-9513
5159513
CA5159513
515-9513
5159513
Information:
Table 1
Diagnostic Trouble Codes for Low Coolant Level
J1939 Code CDL Code Code Description
(code descriptions may vary) Comments
111-1 E2143-3 Engine Coolant Level : Low - Level 3 The engine has been running for 60 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.
111-18 E2143-2 Engine Coolant Level : Low - Level 2 The engine has been running for 60 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.
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.
Check for the correct mixture of antifreeze and water. Refer to Operation and Maintenance Manual.
Check the cooling system for leaks. Refer to Systems Operation/Testing and Adjusting, "Cooling System - Test" for the correct procedure. Repair any leaks immediately.
Check the NRS cooler for leaks. Refer to Testing and Adjusting, "Exhaust Cooler (NRS) - Test".
Check for air in the cooling system. Refer to Systems Operation/Testing and Adjusting, "Testing the Cooling System" for the correct procedure.
2. Faulty Sensor
A. If an electrical fault with the coolant level sensor is suspected, refer to Troubleshooting, "Coolant Level - Test" for information on troubleshooting the coolant level sensor.
Coolant level sensor
Result: The coolant level sensor is not operating correctly.
Repair: Replace the coolant level sensor.
Result: The coolant level sensor is operating correctly.
Contact the Dealer Solutions Network (DSN).
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