PIN (Master) 4M5990 - Caterpillar

Event E099Conditions Which Generate This Code:The Electronic Control Module (ECM) detects a problem with the engine's oil filter differential pressure. Information on default settings and ranges for this event can be found in Troubleshooting, "Event Codes".System Response:The event is logged.Possible Performance Effect:E099 (Warning)
NoneTroubleshooting:
There may be a problem with the oil filters.
There may be a problem with the oil sensors.Test Step 1. Check for "ACTIVE" Diagnostic Codes.
Start the Caterpillar Electronic Technician (ET).
Turn the main power to the ON position. The engine should be OFF.
Check for any active diagnostic codes or logged diagnostic codes. Expected Result:No diagnostic codes are present.Results:
OK - No diagnostic codes are present. Proceed to Test Step 2.
Not OK - Diagnostic codes are present.Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual. Ensure that the repair eliminates the problem.STOPTest Step 2. Perform a Check of the Lubrication System.
Check for dirty oil filters. Expected Result:There are problems with the oil filters.Results:
OK - The oil filters are dirty.Repair: Replace the oil filters with new oil filters. Ensure that the repair eliminates the problem.STOP
Not OK - There are problems with the lubrication system.Repair: Refer to the appropriate topic in the "Troubleshooting Without a Diagnostic Code" section of this manual. Ensure that the repair eliminates the problem.STOP