VALVE GROUP 8J6752 - Caterpillar

Table 1
J1939 Code and Description CDL Code and Description Comments
175-0
Engine Oil Temperature 1 : High - most severe (3) E197 (3)
High Engine Oil Temperature The engine is shutdown.
The code is logged.
175-15
Engine Oil Temperature 1 : High - least severe (1) E197 (1)
High Engine Oil Temperature The code is logged.
175-16
Engine Oil Temperature 1 : High - moderate severity (2) E197 (2)
High Engine Oil Temperature Engine power is derated.
The code is logged. If the engine is shutdown due to a high engine oil temperature, the power to the engine Electronic Control Module (ECM) must be cycled to restart the engine.Probable Causes
Codes
Coolant temperature
Oil level
Bypass valve
Oil coolerRecommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot any associated codes before continuing with this test.
Result: A code is active or logged.
Proceed to Test Step 2.
2. Check the Engine Coolant Temperature
Temperature
Result: The coolant temperature is OK.
Proceed to Test Step 3.
Result: The coolant temperature is NOT OK.
Repair: Refer to Troubleshooting, "Coolant Temperature Is High" for additional information.
If the problem is not resolved, proceed to Test Step 3.
3. Check the Engine Oil Level
Oil Level
Result: The oil level is OK.
Proceed to Test Step 4.
Result: The oil level is NOT OK.
Repair: Add oil and repair any leaks.
If the problem is not resolved, proceed to Test Step 4.
4. Inspect the Engine Oil Cooler Bypass Valve
A. Ensure that the bypass valve is not stuck in the open position.
Bypass Valve
Result: The oil cooler bypass valve is OK.
Proceed to Test Step 5.
Result: The oil cooler bypass valve is NOT OK.
Repair: Clean or replace the bypass valve.
If the problem is not resolved, proceed to Test Step 5.
5. Check the Engine Oil Cooler Core for Damage and/or Plugging
Oil Cooler
Result: The oil cooler core is NOT OK.
Repair: Clean or replace the oil cooler core.
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).