FASTENER GP 4646581 - Caterpillar

the following procedure in order to flash program the ECM. The ECM is flashed in order to upgrade the software. Flash programming of the ECM must also be done if the ECM has been replaced. The Caterpillar Electronic Technician (ET) contains the program WinFlash. WinFlash is used in order to load software into the ECM. The following procedure is used in order to FLASH software into the ECM.
Procedure
Connect the data link cable between the communication adapter and the electronic technician.
Connect the data link cable between the communication adapter and the diagnostic connector of the machine.
Turn the disconnect switch and the key start switch to the ON position.
Set the implement lockout to the LOCKED position.
Ensure that the transmission direction switch is in the neutral position.
Ensure that the engine is not running.
Use WinFlash in order to load the software.