Error HVAC

[cgentil]

Hi,

Anyone can tell me what's this error:

Fresh Air Blower Front:

Refrigerant Pressure And Temperature Sender:

Air quality sensor:

1 Fault Found:
459526 - Databus
U1123 00 [008] - Received Error Message
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 2
Reset counter: 27

Thanks.

[cgentil]

VW Dealer replaced Air quality sensor, fault still there... This VW dealers... no words. Cant find info on this error. Anyone can help? They replaced a sensor which was good and the error is there.

[cgentil]

Anyone?