Mk 8 2014 2.2 electric problem pls help

[Todaman]

Hello everyone, im new member. Im driver and on my working Van iv got problem. Car is 2014 2.2 engine 15 k kms on it (9.5 k miles) . Few weeks ago check engine light comes on but i didn give attention to it at first but car started weird action it feels like it cut outs while running, tacho stops working ingition o. Lights comes on engine temp stops working, only fuel and speedo works after few meter abd 20-40 sec everyrhing backs to normal. I feel that mostyle that happens when car is on bumpy road. Sometimes it feels near 3 k rpm on full throttle that car stops like fuel feed stops . Had obd diagnostics. And abt 30 error codes appeared abt 5-6 electric block. Some block had 1-2 error some block had 8 error. Any advice what can it be? I m putting youtube link u can watch and get clear info what im talking about with my shity english hers the link -> https://youtu.be/lB9mxwKpLUc[b][/b]