New Headunit install throwing Codes in VCDS

Hello, I have recently came into possession of a 2015 Skoda Superb FL, and it came with a kenwood cd player with bt, the kenwood was powered directly from the  fuse box, but I think it was installed wrong, because it would not power down when the car was off.

I took it down and spent some time without a headunit/radio, also managed to do a VCDS scan and got the following error:

7144 - Please Check DTC Memory in CAN Gateway (J533)
  U1008 00 [047] - -
  [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
  Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 2
    Fault Frequency: 30
    Mileage: 273925 km
    Date: 2024.10.08
    Time: 12:36:23
    Engine speed: 978.50 /min
    Normed load value: 24.7 %
    Vehicle speed: 0 km/h
    Coolant temperature: 63 °C
    Intake air temperature: 37 °C
    Ambient air pressure: 970 mbar
    Voltage terminal 30: 13.660 V
    Unlearning counter according OBD: 40
    ACC target acceleration: 0.000 m/s²
    ACC control module received status-Bits 0-7: 6
    Active brake system error status-Bits 0-7: 0
    Status of ACC/CCS acceleration interface-Bits 0-7: 0
    Acceleration: 0.000 m/s²
    Engine status: COENG_RUNNING
    Engine status-Test_Program_Co Eng st COMPU VERB UBYTE: 3
    Readiness: 0 0 0 0 0

Soon after I got a RNS 310 mounted, hoping that will fix my issues, I had assumed the error was because the can can no longer talk to the headunit. After mounting the RNS I am still getting the error but I am also getting another error:

00470 - Company Comfort Databus in Single Wire
  011 - Open Circuit
  Freeze Frame:
    Fault Status: 01101011
    Fault Priority: 3
    Fault Frequency: 237
    Reset counter: 227
    Mileage: 273925 km
    Time Indication: 0
    Date: 2019.03.01
    Time: 12:35:53

I should mention I have no issue with battery draining. Only issues I have notices is that the headunit does not show the side sensors on the display, and sometimes a sensor gets stuck beeping and I need to turn the car off and start it again for it to reset.

Now for my questions:

1. Should I swap the RNS 310 with a Columbus unit? Would that make the errors go away? Or maybe go back to the kenwood, and wire it to power on contact, maybe from the lighter?

2. I checked the driver side door wires and the wires are fine, any other known problem spots to check for and see if the can wire is interrupted?

Any other advice on how to get all this mess sorted?