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Hello,

I have a 2014 Beetle and the factory battery finally decided to give out. The battery has been replaced and the car is running again, but I'm still struggling with a weird problem.

Before replacing the battery, I could still unlock the car, but the car would not lock with the key fob or from inside using the button on the door. Even when I'm driving above 15kmh/10mph, the doors don't auto-lock like before. I hoped the issue would go away after replacing the battery, but no luck.

I tested every fuse and relay under the dash on the driver's side and under the hood, all good. I took it to the dealership, they had it for 3 days and couldn't figure it out, so they recommended replacing the ECU and the door modules. It looked to me like they're were just trying throw money at the problem, so I bought the Ross-Tech HEX-V2 to do some more testing. When I lock the doors from VCDS, IT WORKS! I called VW to see if they would provide any wiring diagrams, so I can try and trace the flow of the "locking procedure", but they wouldn't provide any.

I would say the problem is definitely not mechanical (no need for new door modules) and the ECU seems to be able to control the locks just fine. I'm hoping someone here might have some ideas on where to look next. Maybe a bit got flipped with a minor surge from the old battery? Would someone be able to provide a screenshot of the long coding for the module in the screenshot below?

Below is are a few screenshots an output from the VCDS Auto-Scan:

ECU seeing that the doors are unlocked:

Product Rectangle Azure Font Screenshot


Output test to lock the doors (never stops running, but the doors lock immediately):
Rectangle Font Screenshot Parallel Technology


ECU recognizing that the doors are locked:
Rectangle Azure Font Screenshot Software


Long coding
Rectangle Font Screenshot Parallel Number


Auto-scan results:

Saturday,08,January,2022,10:19:55:01053
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.3.0.0 (x64) HEX-V2 CB: 0.4544.4
Data version: 20210226 DS325.0
www.Ross-Tech.com


VIN: 3VWJX7AT2EM616544 License Plate:
Mileage: 78050km-48498mi Repair Order:



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: AT-VW32 (6N0)
Scan: 01 02 03 08 09 15 17 19 25 2E 56 75 77

VIN: 3VWJX7AT2EM616544 Mileage: 78050km-48498miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: OK 0000
2E-Media Player 3 -- Status: Sporadic communication error 1000
56-Radio -- Status: Malfunction 0010
75-Telematics -- Status: Malfunction 0010
77-Telephone -- Status: Sporadic communication error 1000
-------------------------------------------------------------------------------
Address 01: Engine (CBT) Labels: 07K-906-055-CBT.clb
Part No SW: 07K 906 055 DF HW: 07K 907 309 B
Component: 2,5l R5/4V G01 5687
Revision: T4H06--- Serial number:
Coding: 0000075
Shop #: WSC 00066 000 00000
VCID: 75B7E9D859C17773AC5-8020

No fault code found.
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 09G-927-750.clb
Part No SW: 09G 927 750 LG HW: 09G 927 750 LG
Component: AQ 250 6F 2250
Revision: 00H97000 Serial number:
Coding: 0000840
Shop #: WSC 00066 000 00000
VCID: 015F8D081D094BD380D-8054

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104) Labels:. 1K0-907-379-60EC1F.clb
Part No SW: 5C0 907 379 C HW: 5C0 907 379 C
Component: ESP MK60EC1 H31 0156
Revision: 00H31001
Coding: F14B4016492308008F1002E8921D1061A71000
Shop #: WSC 00066 000 00000
VCID: 2E0506B4F01704AB2DF-807A

1 Fault Found:
02214 - Tire Pressure Warning
002 - Lower Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100010
Fault Priority: 2
Fault Frequency: 1
Reset counter: 181
Mileage: 76437 km
Time Indication: 0
Date: 2016.04.08
Time: 07:30:05

Freeze Frame:
Count: 0
Count: 32768
Count: 4608
Count: 16401
Count: 50690
Count: 0
Count: 508
Count: 0


-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 5C0-820-047.clb
Part No SW: 5C0 820 047 BC HW: 5C0 820 047 BC
Component: J301 Klimaanlage 0204
Revision: 2001111S Serial number: 00000001752109
Shop #: WSC 00066 000 00000
VCID: 629DA284F84FF0CBF97-8036

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519) Labels:. 6R0-937-08x-09.clb
Part No SW: 5C0 937 087 J HW: 5C0 937 087 A
Component: BCM25 JLB H3 H34 0411
Revision: B2034001 Serial number: 08013241130571
Coding: 3BBC2908088B080000A82800240984C500C2402F60000000B20054002000
Shop #: WSC 00066 000 00000
VCID: 343114DC1E3B2E7B5BB-8060

Subsystem 1 - Part No SW: 6R0 959 801 BN HW: 6R0 959 801 BN Labels: 6R0-959-801.CLB
Component: J386__TSG_FT 002 2660
Serial number: KU0KU012071300012276
Coding: 8CBC30

Subsystem 2 - Part No SW: 6R0 959 802 CA HW: 6R0 959 802 CA Labels: 6R0-959-802.CLB
Component: J387__TSG_BT 002 2660
Serial number: KU0KU004071300012236
Coding: 8CBC30

Subsystem 3 - Part No SW: 5C0 959 442 C HW: 5C0 959 442 C
Component: E221__MFL-YVJ H02 0103
Serial number: 00000000000000756600
Coding: E20000

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234) Labels:| 5K0-959-655.clb
Part No SW: 5C0 959 655 Q HW: 5C0 959 655 Q
Component: AirbagVW10G 014 0851
Serial number: 003LKM05CZ5.
Coding: 00004E45
Shop #: WSC 00066 000 00070
ASAM Dataset: EV_AirbaVW10SMEVW360 001026
ROD: EV_AirbaVW10SMEVW360.rod
VCID: 40D9480C5A0382DBCF3-8014

Seat occupied recognition:
Subsystem 1 - Part No SW: 5C6 959 339 B HW: 5C6 959 339 B
Component: BF-Gewichtss. H10 0046
Serial number: 6940000Y130000VVFW0.
Coding: 30304C

Crash sensor for side airbag: driver side:
Subsystem 2 - Part No SW: 5K0 959 354 HW: 5K0 959 354
Component: S.Sens.Fahr.V H02 ----
Serial number: 3572MSME0C6B157CZZZ4

Crash sensor for front airbag: driver side:
Subsystem 3 - Part No SW: 5K0 959 659 A HW: 5K0 959 659 A
Component: F.Sens.Fahr H02 ----
Serial number: 3556LSME5A302A27ZZZX

Crash sensor for front airbag: front passenger side:
Subsystem 4 - Part No SW: 5K0 959 659 A HW: 5K0 959 659 A
Component: F.Sens.Beif H02 ----
Serial number: 3566LSME060F2A27ZZZ.

1 Fault Found:
9451029 - Crash sensor side airbag; passenger side
B1036 15 [137] - Open or Short to Plus
MIL ON - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 78049 km
Date: 2022.01.02
Time: 15:43:15


-------------------------------------------------------------------------------
Address 17: Instruments (J285) Labels:| 5K0-920-xxx-17.clb-SRI1
Part No SW: 5C5 920 970 P HW: 5C5 920 970 P
Component: KOMBI H30 0204
Revision: X0030002 Serial number:
Coding: 250E01
Shop #: WSC 00066 000 00126
ASAM Dataset: EV_KombiUDSMM9RM10 A04752
ROD: EV_KombiUDSMM9RM10_A04_VW12.rod
VCID: 382920EC02D3CA1B773-806C

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533) Labels:. 6N0-909-901-6R.clb
Part No SW: 6N0 909 901 HW: 5C0 937 087 A
Component: GW-K-CAN TP20 H34 0411
Revision: B2034001
Coding: 402000
Shop #: WSC 00066 000 00000
VCID: 70B9D8CC2AA3525B7F3-8024

2 Faults Found:
01303 - Telephone Transceiver (R36)
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 181
Time Indication: 0

02078 - Media Player Position 3 (R120)
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 181
Time Indication: 0


-------------------------------------------------------------------------------
Address 25: Immobilizer (J334) Labels:| 5K0-920-xxx-25.clb
Part No SW: 5K0 953 234 HW: 5C5 920 970 P
Component: IMMO H30 0204
Revision: X0030002 Serial number:
Coding: 000000
Shop #: WSC 00000 000 00000
ASAM Dataset: EV_ImmoUDSMM9RM10 A01702
ROD: EV_ImmoUDSMM9RM10_VW12.rod
VCID: 6A8DCAA40CFFA88B317-803E

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3
Cannot be reached

-------------------------------------------------------------------------------
Address 56: Radio (J503) Labels:. 5M0-035-1xx-56.clb
Part No SW: 1K0 035 164 D HW: 1K0 035 164 D
Component: LOW NAR H02 0006
Revision: -----06S Serial number: VWZ4Z6N3630738
Coding: 01000400040002
Shop #: WSC 00066 000 00000
VCID: 2313E780ABD5B9C3B21-8076

2 Faults Found:
01303 - Telephone Transceiver (R36)
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 6
Fault Frequency: 3
Reset counter: 181
Mileage: 78049 km
Time Indication: 0
Date: 2016.05.25
Time: 16:43:27

03272 - Control Module for Audio Interface
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 6
Fault Frequency: 3
Reset counter: 181
Mileage: 78049 km
Time Indication: 0
Date: 2016.05.25
Time: 16:43:27


-------------------------------------------------------------------------------
Address 75: Telematics (J949) Labels:| 12E-035-284.clb
Part No SW: 561 035 285 HW: 561 035 285
Component: OCULowUSA 014 0086
Serial number: 000003554140504
Coding: 02230402C21614107F1606C00000
Shop #: WSC 00066 000 00000
ASAM Dataset: EV_OCULow 001010
ROD: EV_OCULow_001.rod
VCID: 53F37740BB750943621-8006

5 Faults Found:
12670208 - Databus
U1121 00 [008] - Missing Message
[CAN TO instrument cluster]
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 2
Reset counter: 173
Mileage: 77817 km
Date: 2021.12.21
Time: 13:12:26

12670464 - Databus
U1121 00 [008] - Missing Message
[CAN TO brake]
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 2
Reset counter: 173
Mileage: 77817 km
Date: 2021.12.21
Time: 13:12:26

0035 - Databus
U1121 00 [008] - Missing Message
[CAN TO Airbag]
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 6
Reset counter: 173
Mileage: 76792 km
Date: 2021.11.19
Time: 21:08:26

0037 - Databus
U1121 00 [008] - Missing Message
[CAN TO Telephone ECU]
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 3
Reset counter: 181
Mileage: 78049 km
Date: 2022.01.02
Time: 16:43:27

2103041 - Control Module
B1788 F0 [009] - Start Prohibition Deactivated
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 8
Fault Frequency: 1
Reset counter: 141
Mileage: 78049 km
Date: 2022.01.08
Time: 10:59:29


-------------------------------------------------------------------------------
Address 77: Telephone (J412) Labels:| 5N0-035-729.clb
Part No SW: 5N0 035 729 A HW: 5N0 035 729 A
Component: TELEFON H05 0315
Revision: 1B001001 Serial number: 00007664990304
Coding: 0A10030080010110
Shop #: WSC 01383 790 50316
ASAM Dataset: EV_UHVUMI 001007
ROD: EV_UHVUMI.rod
VCID: 2E0506B4F09704AB2DF-807A

No fault code found.

End----------(Elapsed Time: 01:13, VBatt start/end: 14.1V/14.1V)-----------
 
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