ROLLER GP-TRACK 4804148 - Caterpillar

The Electronic Control Module (ECM) detects an abnormal fuel filter differential pressure. Information on default settings and ranges for this event can be found in Troubleshooting, "Event Codes".System Response:The ECM will log the event.Possible Performance Effect:390-1 (Warning)None390-2 (Derate)The engine power is derated.390-3 (Shutdown)The engine is shut down.TroubleshootingThe fuel filter element may need to be replaced.Test Step 1. Replace the Fuel Filter Element
Replace the fuel filter element.
Restart the engine and check for an active event code. Expected Result:The event code is no longer active.Results:
OK - The event code is no longer active.STOP
Not OK - The event code is active.Repair: There may be an electrical problem with the circuit for the fuel filter differential pressure switch. Refer to Troubleshooting, "Fuel Filter Differential Pressure Switch Circuit - Test" for diagnostic information.STOP