Hi all,

Out of the blue my cars heating seems to have stopped working. No error lights on the dash but certainly blowing air that is not being heated.

Ran a scan and have this error:

Address 08: Auto HVAC (J255) Labels:| 4G0-820-043-4Z.clb
Part No SW: 4G0 820 043 AF HW: 4G0 820 043 AF
Component: KLIMA 4 ZONEN H13 0076
Serial number: 09011300040390
Coding: 688320BE5D
Shop #: WSC 02391 785 00200
ASAM Dataset: EV_AirCondiComfoUDS 002036
ROD: EV_AirCondiComfoUDS_002.rod
VCID: 63CE3B676ACDD0953E-8036

1 Fault Found:
0379 - Supply Voltage Terminal 30 for Coolant Pump
B11D5 01 [009] - Electrical Failure
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 3
Fault Frequency: 1
Reset counter: 97
Mileage: 162234 km
Date: 2022.11.08
Time: 12:29:29

Voltage terminal 30: 14.24 V
Outside temperature: 20.5 °C
Inside temperature: 21.59 °C

Any thoughts on root cause? I've tried to clear all codes but this comes back right away.

Many thanks for any suggestions or feeback!