T6 Start/Stop battery replacement

   #1  

C_V

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Good evening,

We've just had a customers 2017 T6 come in that has had a new battery fitted and apparently since this new battery was fitted an error comes on the MFD - "Start Stop Error". I believe its because the battery wasn't coded in at the time of replacement. How do you do this with VCDS? Its currently showing an error in the 67 - Battery Regulator. I've been into this module and long adaption and found Battery info/replacement, I tried test & save because as far as I know they are both 70ah batteries. I've also gone into Coding - Long coding helper and copied the code into new code and saved it too. But still no joy.

There is also another error in the 01 Engine module - 25796 - BCM (Central Electrics) - No communications - Didn't know if this was linked.

Scan attached. Thanks in advance


Code:
Monday,07,March,2022,16:24:01:53043
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.9.0.2 (x64)  HEX-V2 CB: 0.4555.4
Data version: 20210903 DS330.0
www.Ross-Tech.com


VIN: WV1ZZZ7HZHH129664   License Plate: BRF
Mileage: 69370km-43104mi   Repair Order:



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


Chassis Type: 7H-VN75 (7E0)
Scan: 01 03 04 09 15 17 19 25 5F 61 69 0B

VIN: WV1ZZZ7HZHH129664   Mileage: 69370km-43104miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
61-Battery Regul. -- Status: Malfunction 0010
69-Trailer -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (2D2D2-CXGA)       Labels:. 04L-907-309-V2.clb
   Part No SW: 04L 906 056 JS    HW: 04L 907 445
   Component: R4 2.0l TDI   H02 4044 
   Revision: 23002001   
   Coding: 00114010430501090000
   Shop #: WSC 02737 790 50316
   ASAM Dataset: EV_ECM20TDI03004L906056JS 004004
   ROD: EV_ECM20TDI03004L906056JS_004.rod
   VCID: 074A6EA41FA1C703E6B-8052
   VINID: 9E606AAAA1D8A98601089186104D3AF628

1 Fault Found:
25796 - Body Control Module (Central Electric)
          U0140 00 [039] - No Communications
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 3
                    Mileage: 69373 km
                    Date: 2057.01.08
                    Time: 05:42:01

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 45 °C
                    Intake air temperature: 12 °C
                    Ambient air pressure: 1000 mbar
                    Voltage terminal 30: 12.304 V
                    Unlearning counter according OBD: 40
                    Accelerator pedal travel: raw value: 0.00 %
                    CAN status - engine control module: 0
                    Cruise Control System (CCS): status: main switch off
                    selected gear: Shifting process active

Readiness: N/A

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 7E0-907-37x-MK100ESC.clb
   Part No SW: 7E0 907 379 P    HW: 7E0 907 379 M
   Component: ESC           H06 0133 
   Revision: 00000000    Serial number: 40447000001309
   Coding: 517E4098256484878A7B027CA48621E6790000
   Shop #: WSC 02739 790 50316
   ASAM Dataset: EV_Brake1ESCCONTIVN75XGP2 011001
   ROD: EV_Brake1ESCCONTIVN75XGP2_011.rod
   VCID: 3FDAB64407F14FC39EB-806A

No fault code found.

-------------------------------------------------------------------------------
Address 04: Steering Angle (G085)       Labels:* 6R0-959-654.clb
   Part No SW: 6R0 959 654     HW: 6R0 959 654
   Component: LENKW.SENSOR  H07 0070 
   Serial number: 08011713471586
   Coding: 01
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_LWSKLOVW25X 005001
   ROD: EV_LWSKLOVW25X.rod
   VCID: 7EA40B40407B86CBD5D-802A

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 7E0-937-BCM-V1.clb
   Part No SW: 7E0 937 090 B    HW: 7E0 937 090
   Component: BCM PQ25 Max4 H81 0744 
   Revision: B9081001    Serial number: 0982 037170949
   Coding: E0A4303A0A212031002009742C2B8C500F00708F60464D60320400220800
   Shop #: WSC 02737 022 1650977
   VCID: 2A0CF710ECF3DA6BD95-807E

   Subsystem 1 - Part No SW: 7E0 959 801 P    HW: 7E0 959 801 P  Labels: 7E0-959-80X-V2.CLB
   Component: J386__TSG_FT  003 0653
   Serial number: KU0KU008021770396456
   Coding: 1400B0

   Subsystem 2 - Part No SW: 7E0 959 802 P    HW: 7E0 959 802 P  Labels: 7E0-959-80X-V2.CLB
   Component: J387__TSG_BT  003 0653
   Serial number: KU0KU008021770397494
   Coding: 0400A0

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 7E0 959 655 G    HW: 7E0 959 655 G
   Component: VW10Airbag021 H08 0018 
   Revision: --------    Serial number: 003V3003S3F0
   Coding: 000000000000000000000000000000003231
   Shop #: WSC 02734 790 50316
   ASAM Dataset: EV_AirbaVW10BPAVW12X 001028
   ROD: EV_AirbaVW10BPAVN750.rod
   VCID: 3A2CC7501CD36AEBA95-806E

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 7E0 920 960 S    HW: 7E0 920 960 S
   Component: KOMBI         H03 1104 
   Serial number: 00000000000000
   Coding: 450B010300
   Shop #: WSC 02737 790 50316
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A05733
   ROD: EV_Kombi_UDS_VDD_RM09_005_VW25.rod
   VCID: 392ED85C19D561F3A0F-806C

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7E0-909-901.clb
   Part No SW: 7E0 909 901     HW: 7E0 937 090
   Component: GW-K-CAN TP20 H81 0744 
   Revision: B9081001   
   Coding: 042305
   Shop #: WSC 02737 022 1650977
   VCID: 68884D18327F287B0F1-803C

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234
   Component: IMMO          H03 1104 
   Serial number:               
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW21.rod
   VCID: 6A8C37102CF31A6B195-803E

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-ENT2.clb
   Part No SW: 1K8 035 150 L    HW: 1K8 035 150 L
   Component: MU-E-D-ER     055 7085 
   Serial number: 12011700012914
   Coding: 02210000BE00000041111101008000001F0000C60000010001
   Shop #: WSC 02737 790 50316
   ASAM Dataset: EV_MUEnt4CGen2LGE 001032
   ROD: EV_MUEnt4CGen2LGE_VW32.rod
   VCID: 2E04FB00D09BB64B05D-807A

No fault code found.

-------------------------------------------------------------------------------
Address 61: Battery Regul. (J840)       Labels:. 1K0-907-534.clb
   Part No SW: 7E0 907 534     HW: 7E0 937 090
   Component: Batt.regelung H81 0744 
   Serial number: 0982 037170949
   Coding: 030B7A73
   Shop #: WSC 09999 999 999999
   VCID: 68884D18327F287B0F1-803C

   Subsystem 1 - Part No SW: 7E0 915 181 K    HW: 7E0 915 181 K
   Component: J367-BDMConti  H03 1050
   Serial number: 75410903921701244865

1 Fault Found:
02252 - Generator
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 175
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 1K0-907-383-V2.clb
   Part No SW: 1K0 907 383 F    HW: 1K0 907 383 F
   Component: ConWysTrailer H07 0100 
   Revision: 3A001001    Serial number: 00000132425721
   Coding: 0100000100000000
   Shop #: WSC 00007 223 174336
   VCID: 3038E578CA2FA0BB171-8064

No fault code found.

End----------(Elapsed Time: 01:04, VBatt start/end: 12.2V/12.2V)-----------
 
   #4  

Uwe

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On this battery management module:

Format: AAA BBB NNNNNNNNNN
AAA = Battery Size in Ah
BBB = Battery Vendor
NNNNNNNNNN = Battery Serial Number

Battery Vendor List:
5DO = Boading
TU3 = Exide
MLA = Moll
JCB = JCI
VA0 = Varta
UM5 = Akuma

If in doubt, just make sure the Battery Size is correct and change the serial number. The Vendor code doesn't really matter. Changing anything in that channel will tell the battery management that a new battery has been installed.

-Uwe-
 
   #5  

Dana

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Adding to the above, please do code/adapt the new battery but I see this causing a problem:

02252 - Generator​
004 - No Signal/Communication​

If that returns I would look into the cause. I believe address 61 is coded correctly so there may be a wiring problem in-between 61 and the alternator.
 
   #6  

VWT6

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   #7  

Dana

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Thanks Matti! I was not aware of that thread/feedback.

@C_V If you end up finding broken wiring at that LIN splice please try to take a photo and upload it to a cloud/drive based service so the link can be shared. That will allow us to link it from a Wiki page which may save the next guy some time. I use Google Photos (since all of my Android based phones over the years have backup to that service) but this thread may be helpful:

 
Last edited:
   #8  

C_V

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Thanks everyone - it was damage to the LIN wire between alternator and module, picture attached.

ToNNfBv
 
   #9  

C_V

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ToNNfBv
 
   #10  

C_V

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@Dana Sorry its not posting?
 
   #13  

Crasher

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I have lost count of the number of these we have done, and I still can't work out what it is there for but we also have found that when it breaks it can damage the battery monitoring unit, the body control module and the alternator. If after repairing the wire there are no repeat codes and the stop/start works then it should be OK.
 
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