Categories: How To

How to Re-flashing ECU for JCB Excavator by ServiceMaster

In cases where an engine ECU is replaced, or a calibration is corrupted the following process should be used to load the correct engine calibration onto an ECU.

 

Related Contents:

2024 JCB ServiceMaster 4 v24.3.1 Free Download for Win 10 Win11

2017 JCB Parts Plus+ and Repair Service Manual Free Download

 

 

Steps:

1.Make the machine safe. Refer to the procedure in the Operators Manual.

2.Load the DECU software onto the USB storage device.

Open the ServiceMaster and select the correct shortcut fir your machine model

The ServiceMaster will take you to the correct file location for that machine model

Plug the USB storage device into the USB port of your laptop

When the USB storage device is connected. copy the encrypted file

3.Remove the cap screws that secure the DECU rear cover

4.Remove the rear cover to expose the USB port

5.Locate the USB port and insert the USB storage device that contains the software encrypted file

6.Turn the ignition to ON position

7.If the software is not correctly installed on the USB storage device or is corrupt or does not contain the software, the DECU screen will display the below symbol

8.If the software is correctly installed on the USB storage device, the machine will automatically detect the software and will start to download

9.The DECU screen will display the USB symbol (shown below) on the screen and will flash ON and OFF every second whole the software is downloaded

10.When the software loading is complete, the DECU screen will display the below symbol

11Remove the USB storage device

12.Install the rear cover onto the DECU

13.The procedure is now complete

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