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got the VCDS log below relating to two errors, not sure if this is linked to this but my when its cold outside my heater doesn't blow any warm air ? looking at log was thinking i need to replace relative humidity sensor in fresh air intake and if this doesn't work then the humidity sensor in the rear view mirror BUT i'm not sure as one is a databus error and the other is internal system fault - confused and need some help ! - i did try clearing but both came back straight away

Address 08: Auto HVAC (E87) Labels: 8V0-820-043.clb
Part No SW: 8V0 820 043 D HW: 8V0 820 043 D
Component: AC Automat H13 0052
Revision: 20026000 Serial number: 00000000387828
Coding: 03100004000000011000000000001100
Shop #: WSC 06314 790 00021
ASAM Dataset: EV_AirCondiFrontVaAU37X 008020
ROD: EV_AirCondiFrontVaAU37X.rod
VCID: 336575AA9AF442DA6D-8066

Relative humidity sensor in fresh air intake duct:
Subsystem 1 - Part No SW: 4H0 907 658 HW: 4H0 907 658
Component: AQ_Hum_Sensor H03 0003
Serial number: E1B98D37000000000001

1 Fault Found:
459526 - Databus
U1123 00 [009] - Received Error Message
Confirmed - Tested Since Memory Clear

Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 194
Reset counter: 18
Mileage: 95103 km
Date: 2021.07.26
Time: 15:55:37


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Address 09: Cent. Elect. (J519) Labels: 5Q0-937-08X-HV1.clb
Part No SW: 5Q0 937 084 AJ HW: 5Q0 937 084 AJ
Component: BCM MQBAB H H18 0134
Serial number: 01011419804088
Coding: 07041C46C24106FD03844004B31C07A80000000000000000000000000000
Shop #: WSC 06314 790 00021
ASAM Dataset: EV_BCMCONTI 013000
ROD: EV_BCMBOSCH_VW37.rod
VCID: 000FEA669BC22942A0-8054

Control Unit For Wiper Motor:
Subsystem 1 - Part No SW: 8V2 955 119 A HW: 8V2 955 119 Labels: 5QX-955-119-V1.CLB
Component: WWS370 140713 041 0580
Serial number: 140716220851
Coding: 0A47F7

Rain Light Recognition Sensor:
Subsystem 2 - Part No SW: 8U0 955 559 B HW: 8U0 955 559 B Labels: 8U0-955-559.CLB
Component: G397_RLFS H06 0002
Serial number: 22915969
Coding: 00006C

Light switch:
Subsystem 3 - Part No SW: 8V0 941 531 G HW: 8V0 941 531 G
Component: E1 - LDS MQB H05 0032
Serial number: 24 04 2014 00000454

Sensor For Anti Theft Alarm System:
Subsystem 4 - Part No SW: 8V0 951 177 HW: 5Q0 951 172
Component: Sensor, DWA 005 0315
Serial number: 000000000ZY141681KGB

Alarm horn:
Subsystem 5 - Part No SW: 5Q0 951 605 HW: 5Q0 951 605
Component: Sirene, DWA 004 0311
Serial number: 00000000000030264353

1 Fault Found:
939534 - Humidity sensor
B1281 04 [009] - Internal System Fault
Confirmed - Tested Since Memory Clear

Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 254
Reset counter: 18
Mileage: 95103 km
Date: 2021.07.26
Time: 15:55:41
 
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