How to update by App:

• Turn ignition on
• Open the Haldex Controller App
• Go to Controller Update menu
• Click on CHECK button to download latest firmware file to the App
• Select firmware version in dropdown menu
• Click Bootloader to switch controller to update mode
• Click Start Update to load selected firmware
• Update takes about 5 minuts
• When the status bar is at 100% and status shows Ready! the update has finished

Keep the update screen active while the update is running! if you leave the screen the update might not finish correct.

When a update has failed and the controller is not responding you need to load firmware by usb.