GLASS 2257717 - Caterpillar

Conditions Which Generate This Code:The engine has been running for thirty seconds and the oil pressure has dropped below the derate trip point for low oil pressure protection.System Response:The Electronic Control Module (ECM) will log the event.Caterpillar Electronic Technician (ET) displays "Engine Derate" on the status screen.The ECM will derate engine power by 35 percent.Note: The derate will be cancelled if the engine oil pressure rises above 70 kPa (10 psi) for two seconds.
There may be a problem with the engine lubrication system.Test Step 1. Check the Engine Oil Level
Turn the keyswitch to the OFF position.
Check the engine oil level.Refer to Operation and Maintenance Manual, "Engine Oil Level - Check".Expected Result:The engine oil level is OK.Results:
OK - The engine oil level is OK. There may be a problem with the engine's lubrication system.Repair: Refer to Testing and Adjusting, "Engine Oil Pressure - Test".STOP
Not OK - The engine oil level is low.Repair: Add engine oil to the proper level. Verify that the repair eliminates the problem.STOP