Do you have VCDS? I'm sure it would throw an error if it was fooked.
So did a scan and there are errors but nothing around this. Only errors popping up are below to confirm they are nothing to do with this valve
Address 09: Cent. Elect. Labels: 3C0-937-049-23-H.lbl
Control Module Part Number: 3C0 937 049 AE HW: 3C0 937 049 AE
Component and/or Version: Bordnetz-SG H52 2002
Software Coding: E78F8F271004151E471400001400000000187F07480001
Work Shop Code: WSC 12345 785 00200
Additional Info: 1K2955119E Wischer 151106 020 0501 1K0955559AB RLS 201106 020 0105
VCID: 6CD7223B4F7E2C7E58B-8039
1 Fault Found:
01504 - Bulb for License-Plate Light (X)
012 - Electrical Fault in Circuit
Freeze Frame:
Fault Status: 01101100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 155
Mileage: 125260 km
Time Indication: 0
Date: 2005.09.13
Time: 31:63:63
Freeze Frame:
ON
Voltage: 11.45 V
ON
ON
OFF
OFF
OFF
-------------------------------------------------------------------------------
Address 17: Instruments Labels: 1K0-920-xxx-17.lbl
Part No SW: 1K6 920 973 HW: 1K6 920 973
Component: KOMBIINSTRUMENT VDD 1610
Revision: V0003000 Serial number: VWZ7Z0F8211388
Coding: 0005403
Shop #: WSC 65536 645 12345
VCID: F0EFB64BE356489EE43-80A5
1 Fault Found:
01325 - Control Module for Tire Pressure Monitoring (J502)
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 155
Mileage: 125260 km
Time Indication: 0
Date: 2000.00.00
Time: 16:37:25
-------------------------------------------------------------------------------
Address 19: CAN Gateway Labels: 1K0-907-530-V2.clb
Part No SW: 1K0 907 530 K HW: 1K0 907 951
Component: J533__Gateway H04 0020
Revision: H04 02 Serial number: 201106F1001388
Coding: 7F8F034007000001
Shop #: WSC 01279 785 00200
VCID: 2F6DF537BEE897663D9-807A
1 Fault Found:
01325 - Control Module for Tire Pressure Monitoring (J502)
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 155
Mileage: 125260 km
Time Indication: 0
Date: 2000.00.00
Time: 16:37:44