Is it possble to up the charging voltage?

Hi can I ask a question I have this mk5 golf gti 2.0t fsi engine and from one day to another few warning lights come on dash( red steering wheel,esp,abs and airbag) and the car starts runs for 2 sec then cuts out while it runs for 2 sec the rpm and speedo doesn’t move at all I have tried changing the ecu with cluster and original key and barrel didnt work checked fuses and relays still nothing any idea have you had anything like this before i would really really appreciated any help thanks in advance and happy new year btw 🙂

Thank you