fault codes and repair options

Ran a scan and found these codes .  

Would no1 require a new radio antenna ?

No2  ????

no3 . Changed the air quality sensor but does it indicate a bad earth somewhere?

Fault Found:
00856 - Radio Antenna 
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01100111
                    Fault Priority: 5
                    Fault Frequency: 58
                    Reset counter: 144
                    Mileage: 135926 km
                    Time Indication: 0
                    Date: 2017.01.01
                    Time: 21:38:46

1 Fault Found:
00469 - Infotainment Databus in Single Wire Operation 
            011 - Open Circuit - Intermittent
             Freeze Frame:
                    Fault Status: 00101011
                    Fault Priority: 3
                    Fault Frequency: 5
                    Reset counter: 227
                    Mileage: 144008 km
                    Time Indication: 0
                    Date: 2017.09.18
                    Time: 08:52:34

Address 08: Auto HVAC (J255)       Labels:| 5K0-907-044.clb
   Part No SW: 3T0 907 044 BK    HW: 3T0 907 044 BK
   Component: Climatronic   H18 0506  
   Revision: 00001007    
   Coding: 0000000002
   Shop #: WSC 73430 790 00074
   ASAM Dataset: EV_Climatronic A01010
   ROD: EV_ClimaAutoBasis_SK35.rod
   VCID: 7CF71081F739DB7397-8028

2 Faults Found:
9481988 - Air Quality Sensor 
          B10AF 04 [008] - Internal System Fault
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 3
                    Fault Frequency: 254
                    Reset counter: 229
                    Mileage: 135926 km
                    Date: 2022.08.11
                    Time: 21:35:26

9479189 - Signal Line for Air Quality Sensor 
          B10A4 15 [009] - Open or Short to Plus
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 3
                    Fault Frequency: 63
                    Reset counter: 198