transit custom APIM

Hi everyone,
I have a ford transit custom 2018 and I changed the apim unit to another one with navigation, everything works except the backlight and the function of the buttons under the screen. Anyone have any ideas?


SYNC Region: EU

Navigation Variant: Nav

Manufacturer Year: Pre MY20

Install Type: Retrofit

Old SYNC Version: 3.4.23188

New SYNC Version: 3.4.23188

Do you have a error message, if so what is it?

Update Method: CyanLabs Manual Method