HVAC not reached

RicardoT5.1

New Member
Hi had to remove my battery to do some work on the camper - seized up gear linkage connections on top of gearbox. Reconnected and now have no HVAC aircon light/backlight, or the clock on the radio... nor auto switch off when I remove the key.. Run a log on VCDS this morning... any thoughts what immediately to check...??

The door control errors have been there since buying the van last summer but the a/c etc all worked fine.

Sunday,29,March,2026,12:26:35:00009
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 25.3.0.2 (x64)
Data version: 20250228 DS364.1
www.Ross-Tech.com


VIN: WV1ZZZ7HZBH074999 License Plate:******
Mileage: 376190km-233753mi Repair Order:



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Chassis Type: 7H-VN75 (6N0)
Scan: 01 03 04 08 09 15 17 19 25 56

VIN: WV1ZZZ7HZBH074999 Mileage: 376190km-233753miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 1010
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: OK 0000
56-Radio -- Status: Malfunction 0010

-------------------------------------------------------------------------------
Address 01: Engine (J623-CAAC) Labels:. 03L-906-022-CAA.clb
Part No SW: 03L 906 022 CH HW: 03L 907 309 K
Component: R4 2,0L EDC X41 9970
Revision: 26X41--- Serial number: 00000000000000 CVN: A765A144
Coding: 01194012230400080000
Shop #: WSC 26214 051 00000
ASAM Dataset: EV_ECM20TDI01103L906022CH 002013
ROD: EV_ECM20TDI01103L906022CH_002.rod
VCID: 6DD17CB3BC91F7F31A-8038
VINID: 9E606AAAA1D8A926001C42492473606401

2 Faults Found:
5171 - Boost Pressure Regulation
P0299 00 [01100000] - Control Range Not Reached
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Priority: 2
Fault Frequency: 1
Mileage: 376013 km
Date: 2026.03.29.
Time: 23:04:31

Engine speed: 3628.00 /min
Normed load value: 99.6 %
Vehicle speed: 47 km/h
Coolant temperature: 48 C
Intake air temperature: 24 C
Ambient air pressure: 1010 mbar
Voltage terminal 30: 14.360 V
Unlearning counter according OBD: 35
Charge air pressure: specified value: 2227 hPa
Charge air pressure: actual value: 1010.6 hPa
Air mass: actual value (mg/stroke): 919.8 mg/stroke
Air cleaner degree of soiling: 22.42 %
Throttle valve adapter: actual value: 99.48 %
Charge air pressure actuator: acknowledgment: 52.45 %
Mean injection quantity: 51.81 mg/stroke

4708 - No Communications with HVAC Control Module (J301)
U0164 00 [00101100] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Priority: 6
Mileage: 376013 km
Date: 2026.03.29.
Time: 22:55:09

Engine speed: 0.00 /min
Normed load value: 0.0 %
Vehicle speed: 0 km/h
Coolant temperature: 15 C
Intake air temperature: 18 C
Ambient air pressure: 1010 mbar
Voltage terminal 30: 13.160 V
Unlearning counter according OBD: 40
Limitation: accelerator pedal: 0.0 Nm
CAN status - engine control module-Bits 0-7: 0
Cruise Control System (CCS): status-Bits 0-7: 0
CAN status - transmission control module-Bits 0-7: 0
CAN status - brake control module 1-Bits 0-7: 0
CAN status - brake control module 2-Bits 0-7: 0
selected gear-Bits 0-7: 0

Readiness: 0 0 0 0 0

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Address 03: ABS Brakes (-----) Labels: 7E0-907-37x-MK25AXT.clb
Part No SW: 7E0 907 379 G HW: 7E0 907 379 E
Component: ESP MK25A XT H43 0105
Revision: 00H43001
Coding: 508724AD89AB0A9924AB917AA96710
Shop #: WSC 02736 790 49152
VCID: 366393DF8147742B2B-8062

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC
Cannot be reached

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519) Labels:. 7H0-937-08x-09.clb
Part No SW: 7H0 937 087 H HW: 7H0 937 087
Component: BCM T5GP H+4 H47 0254
Revision: BO047001 Serial number: 0396 337100423
Coding: A0A0393A0E212011002808106C2B8C540010430F60860000300000000000
Shop #: WSC 00857 210 100914
VCID: 397998E3B0599B53C6-806C

Subsystem 1 - Part No SW: 7E0 959 801 B HW: 7E0 959 801 B Labels: 7E0-959-80X-V1.CLB
Component: J386__TSG_FT 002
Serial number: --------------------

Subsystem 2 - Part No SW: 7E0 959 802 B HW: 7E0 959 802 B Labels: 7E0-959-80X-V1.CLB
Component: J387__TSG_BT 002 3311
Serial number: --------------------
Coding: 000000

Subsystem 3 - Part No SW: 3C8 959 537 D HW: 3C8 959 537 D Labels: 3C8-959-537.CLB
Component: E221__MFL-TK6 H06 0022
Serial number: 30000000000000379755
Coding: E20000

4 Faults Found:
03301 - Response Closing Status of Drivers Door
008 - Implausible Signal - Intermittent
Freeze Frame:
Fault Status: 00101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 12
Time Indication: 0

03302 - Response Closing Status of Passenger's Door
008 - Implausible Signal - Intermittent
Freeze Frame:
Fault Status: 00101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 12
Time Indication: 0

03303 - Response Closing Status of Rear Left Door
008 - Implausible Signal - Intermittent
Freeze Frame:
Fault Status: 00101000
Fault Priority: 2
Fault Frequency: 52
Reset counter: 18
Mileage: 376008 km
Time Indication: 0
Date: 2020.08.19.
Time: 09:40:59

01044 - Control Module Incorrectly Coded
000 - - - Intermittent
Freeze Frame:
Fault Status: 00100000
Fault Priority: 2
Fault Frequency: 102
Reset counter: 255
Mileage: 376191 km
Time Indication: 0
Date: 2020.08.19.
Time: 00:00:14


-------------------------------------------------------------------------------
Address 15: Airbags (J234) Labels:| 5K0-959-655.clb
Part No SW: 7E0 959 655 B HW: 7E0 959 655 B
Component: VW10Airbag009 H06 0013
Revision: -------- Serial number: 003HL002UE89 Dataset Number: 7E0003v____ 0471
Coding: 000000000000000000000000000000003039
Shop #: WSC 02734 790 50316
ASAM Dataset: EV_AirbaVW10BPAVN750 A01026
ROD: EV_AirbaVW10BPAVN750.rod
VCID: 356194D394417F3322-8060

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285) Labels:| 5K0-920-xxx-17.clb-SRI1
Part No SW: 7E0 920 960 C HW: 7E0 920 960 C
Component: KOMBI H04 0204
Serial number: 00000000000000
Coding: 460A00
Shop #: WSC 02736 790 50316
ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04086
ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
VCID: 295948A348F92BD3B6-807C

No fault code found.

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Address 19: CAN Gateway (J533) Labels:. 6N0-909-901-6R.clb
Part No SW: 6N0 909 901 HW: 7H0 937 087
Component: GW-K-CAN TP20 H47 0254
Revision: BO047001
Coding: 042300
Shop #: WSC 00857 210 100914
VCID: 70EF65C7A3A31A1B31-8024

4 Faults Found:
00470 - Company Comfort Databus in Single Wire
011 - Open Circuit - Intermittent
Freeze Frame:
Fault Status: 00101011
Fault Priority: 2
Fault Frequency: 5
Reset counter: 18
Time Indication: 0

00470 - Company Comfort Databus in Single Wire
012 - Electrical Fault in Circuit - Intermittent
Freeze Frame:
Fault Status: 00101100
Fault Priority: 2
Fault Frequency: 98
Reset counter: 16
Mileage: 376013 km
Time Indication: 0
Date: 2020.08.19.
Time: 00:00:03

01336 - Company Data Bus for Comfort System
014 - Defective - Intermittent
Freeze Frame:
Fault Status: 00101110
Fault Priority: 1
Fault Frequency: 254
Reset counter: 18
Mileage: 376013 km
Time Indication: 0
Date: 2020.08.19.
Time: 00:02:59

01320 - Control Module for Climatronic (J255)
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 2
Fault Frequency: 88
Reset counter: 16
Time Indication: 0


-------------------------------------------------------------------------------
Address 25: Immobilizer (J334) Labels:| 5K0-920-xxx-25.clb
Part No SW: 5K0 953 234 HW: 5K0 953 234
Component: IMMO H04 0204
Serial number:
Coding: 000000
Shop #: WSC 00000 000 00000
ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03008
ROD: EV_Immo_UDS_VDD_RM09_VW32.rod
VCID: 6ADB77AF8D7FE0CB7F-803E

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio
Cannot be reached

End-------------------------(Elapsed Time: 03:26)--------------------------
------------------------------10 Faults Found------------------------
 
Last edited:
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