ADAPTER-TIP 4782533 - Caterpillar

Which Generate This Code:The engine has been running for 60 seconds and the fuel pressure exceeds the warning trip point for fuel system protection.System Response:The Electronic Control Module (ECM) will log the event.Engine operation is not affected.Test Step 1. Check for Diagnostic Codes
Connect the Caterpillar Electronic Technician (ET) to the service tool connector.
Turn the keyswitch to the ON position (engine off).
Check for active diagnostic codes or logged diagnostic codes.Expected Result:No other codes are active or logged.Results:
OK - No other codes are active or logged. A mechanical problem exists in the low pressure fuel system.Repair: Refer to Systems Operation/Testing and Adjusting, "Fuel System Pressure - Test" for information that relates to testing the fuel system.STOP
Not OK - There are diagnostic codes that are active or logged.Repair: Correct the other codes that are active or logged first. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual. Verify that the repair eliminates the problem.STOP