MK1 Tiguan EPB Nightmare...

AJM407

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Hi all,

First post, and as expected, it's a bit of a headache (for me at least!)

So, long story short, the EPB switch in my tiguan got wet and stopped working. We couldn't move the car as the parking brake was on, and no way to dissengage. Couldn't get a new switch either as it was late.

I hooked up VCDS to see if I could wind them in with the service mode, but it said there was an error on all of the different options.

In the end, the only way I could get it moved to a safe place was to put 12v to the parking brake motors and manually wind them in.

The new switch has arrived, so I plugged that in. It has the P with a line through it on the dash, and still says there is a parking brake fault, see service manual. The light on the switch itself is flashing also. I tried to code the new switch in VCDS and it said module not responding. Once again, I also tried to wind the motors back out with VCDS and it has all the same errors again.

I cleared the codes and only two remain (for the brakes anyway...) Auto-Scan results shown below. The fuses in the panel by the drivers dash have been replaced, but didn't appear to be blown.

Any ideas would be greatly appreciated.



Code:
Wednesday,12,March,2025,14:07:55:48680
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 25.3.0.3 (x64)  HEX-V2 CB: 0.4660.4
Data version: 20250301 DS365.0
www.Ross-Tech.com


VIN: WVGZZZ5NZ9W029224   License Plate:
Mileage: 245960km-152832mi   Repair Order:



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


Chassis Type: 5N-VW36 (1K0)
Scan: 01 02 03 08 09 10 15 16 17 19 22 25 42 44 46 47 52 53 56 62
          72

VIN: WVGZZZ5NZ9W029224   Mileage: 245960km-152832miles

01-Engine -- Status: Malfunction 0010
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
10-Park/Steer Assist -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
22-AWD -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: Malfunction 0010
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (CBA)       Labels: 03L-906-022-CBA.clb
   Part No SW: 03L 906 022 G    HW: 03L 906 022 G
   Component: R4 2,0L EDC G000AG  2526 
   Revision: 13H01---    Serial number: VWX7Z0H63NA00M
   Coding: 0000175
   Shop #: WSC 01580 995 91997
   VCID: 290FEF4695F2C0C2F8E-807C
   VINID: 9E65EAAAA15EA899C00890821077C60C03

4 Faults Found:
000258 - Mass Air Flow Sensor (G70)
               P0102 - 000 - Signal too Low - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 245965 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 01:36:52

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Load: 100.0 %
                    Load: 100.0 %
                    Mass Air / Rev.: 640.0 mg/str
                    Mass Air / Rev.: 0.0 mg/str

053285 - Please Check Fault Codes in Control Module for HVAC (J301)
               U1025 - 000 -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 245965 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 01:37:29

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Bin. Bits: 00000001
                    Voltage: 12.01 V
                    Bin. Bits:  0 00  0
                    Bin. Bits: 00000000
                    (no units): 0.0

000406 - Engine Oil Temp. Sensor (G8)
               P0196 - 000 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 245965 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 01:38:25

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 12.01 V
                    Bin. Bits: 00101100
                    Bin. Bits: 00000000
                    (no units): 0.0

001651 - Cylinder 3 Glow Plug Circuit (Q12)
               P0673 - 000 - Electrical Fault
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 245965 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 13:49:33

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Bin. Bits: 00110000
                    Voltage: 11.86 V
                    Time: 2.52 s
                    Temperature: 10.8∞C
                    Temperature: 10.8∞C

Readiness: 0 0 0 0 1

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09G-927-750.clb
   Part No SW: 09G 927 750 FD    HW: 09G 927 750 FD
   Component: AQ 250 6F           1124 
   Revision: 00H76000    Serial number:               
   Coding: 0000328
   Shop #: WSC 01324 785 00200
   VCID: 78A9FA021ED8A94AB70-802C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 5N0-614-517.lbl
   Part No SW: 5N0 614 517 L    HW: 5N0 614 517 L
   Component: J104    C2 450 V2   0006 
   Revision: --H12---    Serial number: 00000001346198
   Coding: 0031010
   Shop #: WSC 01324 785 00200
   VCID: 372B393E534666327EA-8062

1 Fault Found:
00778 - Steering Angle Sensor (G85)
            005 - No or Incorrect Basic Setting / Adaptation

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
   Part No SW: 1K0 820 047 HN    HW: 1K0 820 047 HN
   Component: Climatic PQ35   142 1111 
   Revision: 00142031    Serial number: 00000000000000
   Shop #: WSC 00000 000 00000
   VCID: 77ABF93E13C6A632BEA-8022

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 3C0-937-049-30-H.lbl
   Part No SW: 3C8 937 049 E    HW: 3C8 937 049 E
   Component: Bordnetz-SG     H54 2602 
   Revision: 00H54000    Serial number: 00000008705455
   Coding: E5888FA300041C0047190000140000000008FF475C400124390000000000
   Shop #: WSC 01324 785 00200
   VCID: 33330D2E473E8A12422-8066

   Subsystem 1 - Part No: 5N2 955 119   Labels: 1KX-955-119.CLB
   Component: Wischer 090708  012 0203 
   Coding: 00038805
   Shop #: WSC 01324 

   Subsystem 2 - Part No: 1K0 955 559 AF  Labels: 1K0-955-559-AF.CLB
   Component: RLS     220708 046  0204 
   Coding: 00208933
   Shop #: WSC 01324 

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791)       Labels:. 1T0-919-475.clb
   Part No SW: 1T0 919 475 C    HW: 1T0 919 475
   Component: PARKHILFE PLA H07 0009 
   Revision: --------    Serial number: 61730820412950
   Coding: 101103
   Shop #: WSC 01324 785 00200
   VCID: 3B23250E636E42529A2-806E

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 5N0-959-655.lbl
   Part No SW: 5N0 959 655 A    HW: 5N0 959 655 A
   Component: J234__201 VW10 HI   1815 
   Revision: 19013000    Serial number: 0039DPEEL7M% 
   Coding: 0012337
   Shop #: WSC 01324 785 00200
   VCID: 3B23250E6F6E42529A2-806E

   Subsystem 1 - Serial number: 6333FTS639151968

   Subsystem 2 - Serial number: 6343FTS645721728

   Subsystem 3 - Serial number: 6353ETS6D1KAUVNP

   Subsystem 4 - Serial number: 6363ETS60D9BUVNP

   Subsystem 5 - Serial number: 00000000000000000

   Subsystem 6 - Serial number: 00000000000000000

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
   Part No SW: 1K0 953 549 BG    HW: 1K0 953 549 BG
   Component: J0527           752 0101 
   Coding: 0012022
   Shop #: WSC 01324 785 00200
   VCID: 78A9FA021ED8A94AB70-802C

   Subsystem 1 - Part No: XXXXXXXXXXX
   Component: E0221           002 0010

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
   Part No SW: 5N0 920 970 D    HW: 5N0 920 970 D
   Component: KOMBIINSTRUMENT VDD 2420 
   Revision: V0004000    Serial number: VWX7Z0H63NA00M
   Coding: 0007404
   Shop #: WSC 00046 000 00000
   VCID: 323D082AB824831A494-8066

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V3.clb
   Part No SW: 1K0 907 530 Q    HW: 1K0 907 951
   Component: J533  Gateway   H07 0062 
   Revision:   H07 01    Serial number: 150708F1001169
   Coding: FDA27F061002026003
   Shop #: WSC 01324 785 00200
   VCID: 35373336494A94226C6-8060

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD        Labels: 0AY-907-554-V1.clb
   Part No SW: 0AY 907 554 C    HW: 0AY 907 554 C
   Component: Haldex 4Motion      0041 
   Coding: 0000005
   Shop #: WSC 00000 000 00000
   VCID: 4BC375CE3FCEF2D22A2-801E

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No SW: 5N0 920 970 D    HW: 5N0 920 970 D
   Component: IMMO            VDD 2420 
   Revision: V0004000    Serial number: VWX7Z0H63NA00M
   Shop #: WSC 00000 000 00000
   VCID: 323D082AB824831A494-8066

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
   Part No SW: 5N0 959 701     HW: 5N0 959 701
   Component: Tuer-SG         006 1206 
   Coding: 0000700
   Shop #: WSC 01324 785 00200
   VCID: 72BDC82A78A4C31A894-8026

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 5N0 909 144 R
   Component: EPS_ZFLS Kl. 000    3501 
   Revision: 00H22000   
   Shop #: WSC 00000 000 00000
   VCID: 40D952E20688218ACF0-8014

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb
   Part No SW: 1K0 959 433 BT    HW: 1K0 959 433 BT
   Component:    KSG PQ35 G2  020 0205 
   Revision: 00020000    Serial number: 00000000000000
   Coding: 81800A0052830C7F3F04840570085FCE90FC00
   Shop #: WSC 01324 785 00200
   VCID: 03539DEE571EFA92922-8056

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H03 1301

   Subsystem 2 - Part No: 1K8 951 171
   Component: DWA-Sensor      001 0104

   Subsystem 3 - Part No: 1K8 951 171
   Component: DWA-Sensor      001 0104

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (R12)       Labels: 5K0-035-456.clb
   Part No SW: 5K0 035 456     HW: 5K0 035 456
   Component: KonzernAmp 8K H06 0316 
   Revision: --------    Serial number: BP218187337506 Dataset Number: 1K8050v____ 130B
   ASAM Dataset: EV_AudioVerst8KanalBNO1 A01003
   ROD: EV_AudioVerst8KanalBNO1.rod
   VCID: 678BA97E4FE636B22EA-8032

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
   Part No SW: 5N0 959 702     HW: 5N0 959 702
   Component: Tuer-SG         006 1206 
   Coding: 0000700
   Shop #: WSC 01324 785 00200
   VCID: 73B3CD2E07BECA12822-8026

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake        Labels: 5N0-907-801.clb
   Part No SW: 5N0 907 801 B    HW: 5N0 907 801 B
   Component: J540 EPB3  VW-09384 0005 
   Revision:   H09       Serial number: 00000000100179
   Coding: 0000057
   Shop #: WSC 01324 785 00200
   VCID: 2E051C5AAC1CA7FA2DC-807A

2 Faults Found:
02432 - Supply Voltage for Left Parking Brake Motor (V282)
            012 - Electrical Fault in Circuit - MIL ON
             Freeze Frame:
                    Fault Status: 11101100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 35
                    Mileage: 245965 km
                    Time Indication: 0

             Freeze Frame:
                    Voltage: 9.90 V
                    Count: 22
                    Speed: 0.0 km/h
                    Hex Value: 0x12E0
                    Hex Value: 0x0001
                    Hex Value: 0x0202

02433 - Supply Voltage for Right Parking Brake Motor (V283)
            012 - Electrical Fault in Circuit - MIL ON
             Freeze Frame:
                    Fault Status: 11101100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 35
                    Mileage: 245965 km
                    Time Indication: 0

             Freeze Frame:
                    Voltage: 9.90 V
                    Count: 23
                    Speed: 0.0 km/h
                    Hex Value: 0x12E0
                    Hex Value: 0x0001
                    Hex Value: 0x0202


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

-------------------------------------------------------------------------------
Address 62: Door, Rear Left        Labels:. 1K0-959-703-GEN3.clb
   Part No SW: 5N0 959 703     HW: 5N0 959 703
   Component: Tuer-SG         006 1301 
   Coding: 0000144
   Shop #: WSC 01324 785 1012552
   VCID: 74B1CE3202B0CD2A9B8-8020

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right        Labels:. 1K0-959-704-GEN3.clb
   Part No SW: 5N0 959 704     HW: 5N0 959 704
   Component: Tuer-SG         006 1301 
   Coding: 0000144
   Shop #: WSC 01324 785 1012552
   VCID: 75B7F33609CAD422AC6-8020

No fault code found.

End----------(Elapsed Time: 01:25, VBatt start/end: 14.2V/14.2V)-----------
------------------------------7 Faults Found-------------------------------
 

stefdds

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Did you try to clear the faults in Both the Auto-Scan "clear faults" tab and then go to Address 53 : Parking Brake module and also clear the faults there also? Try clearing faults in both areas, then key off, wait 15 sec.or so, then key On. Recheck that module and see if any faults are present or return.
 

AJM407

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Do I just need it ABOVE 12v then? I'd been sat in the car troubleshooting for a bit here.

I'll drive it around a bit later and see if I can get it to clear.

I guess my question was, do I need to wind the EPB motors back out with a battery first, or should I be able to do this with VCDS after manually winding them in before?
 

AJM407

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Did you try to clear the faults in Both the Auto-Scan "clear faults" tab and then go to Address 53 : Parking Brake module and also clear the faults there also? Try clearing faults in both areas, then key off, wait 15 sec.or so, then key On. Recheck that module and see if any faults are present or return.
Only the auto-scan codes. Will give that a try later. Thanks.
 

SaVAGeSoot

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Do I just need it ABOVE 12v then? I'd been sat in the car troubleshooting for a bit here.

I'll drive it around a bit later and see if I can get it to clear.

I guess my question was, do I need to wind the EPB motors back out with a battery first, or should I be able to do this with VCDS after manually winding them in before?
Not sure... but low voltage is not the EPBs favorite thing to deal with.
There are MVBs that you can check for motor status\force\etc in the controller, so I suggest you check those out before attempting to cycle them, etc to ensure that whatever the controller thinks their position is, correlates to whatever you've done manually\etc outside the controller's knowledge.
 

Uwe

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I tried to code the new switch in VCDS and it said module not responding.
Color me confused. It's a switch. It doesn't need to be coded.

-Uwe-
 

AJM407

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Color me confused. It's a switch. It doesn't need to be coded.

-Uwe-
To be honest, I wasn’t sure if it needed to be or not and was clutching at straws. It did mention it in some other posts I saw.

Anyway, the story continues. I drove the car around a bit last night to get some juice in the battery. After clearing everything again one side now works. The other is still saying low voltage but it’s over 12v.

The P with the line through it only comes on now when de-activating the brake. But it doesn’t come on when activating it. Switch is still blinking, but like I say, one side works.

Also, the code for the side that doesn’t work isn’t on constantly now.

Any other ideas greatly appreciated.
 

SaVAGeSoot

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Things have changed... new scan should be provided.
 
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