HUB IMPELLER 6Y5201 - Caterpillar

The flash file that is used for replacement is for a different engine family or for a different engine application.System Response:Caterpillar Electronic Technician (ET) will not be able to clear the code.Possible Performance Effect:
The fuel injection system is disabled and the engine will not start.TroubleshootingTest Step 1. Check the Part Number of the Flash File
Restore the electrical power to the Electronic Control Module (ECM).
Verify that the part number for the flash file agrees with the latest update that is available on Service Technician Workbench (STW), or on SIS Web. Expected Result:The correct flash file is installed in the ECM.Results:
OK - The correct flash file is installed in the ECM.Repair: The engine will not start until the 253-02 diagnostic code is cleared. Clearing this code requires factory passwords.Acquire factory passwords. Clear the 253-02 diagnostic code. Return the engine to service.STOP
Not OK - The correct flash file is not installed in the ECM.Repair: Flash program the ECM with the correct flash file. Refer to programming parameters Troubleshooting, "Flash Programming". Verify that the problem is resolved.STOP