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Thread: VW Passat 3C central locking strange behavior

  1. #1
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    VW Passat 3C central locking strange behavior

    Hi,
    this car came to me with problem that sometimes the remote control doesn´t work, but when I tried it, it works perfectly. The problem/strange thing is the driver door/key lock - it locks the car, but not unlocks (just switch the interior light on and when I stay in unlock position, windows go down, but all doors are still safe), respectivelly not unlocks just from safe (when the ignition is switched on, it locks by the key just to locked/not safe position and the key also unlocks all doors). I´ve tried to find something in coding/adaptation (found just things like confirmation methods or if the windows works by key or remote, etc.), but have no clue what causes this strange behavior (all microswitches seems to be ok).

    Any ideas, please?
    Thanks
    Code:
    Wednesday,23,October,2019,19:44:26:00335
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 19.6.1.0 (x64)
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WVWZZZ3CZ8E197770   License Plate: 
    
    
    Chassis Type: 3C (3C0)
    Scan: 01 03 08 09 10 15 16 17 19 25 42 44 46 52 53 55 56 62 72
    
    VIN: WVWZZZ3CZ8E197770   Mileage: 250330km-155547miles
    
    01-Engine -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    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
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: Malfunction 0010
    46-Central Conv. -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: OK 0000
    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 BL    HW: 03L 907 309 
       Component: R4 2,0L EDC G000SG  2650  
       Revision: --H01---    Serial number: VWZCZ000000000
       Coding: 0000072
       Shop #: WSC 80093 222 71269
       VCID: 70E9B4ED63A25CCF69-8024
    
    No fault code found.
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 3C0-614-109-C4.clb
       Part No SW: 3C0 614 109 C    HW: 3C0 614 109 C
       Component: J104    C4 440 V1   0003  
       Revision: --020---    Serial number: 00000785197723
       Coding: 0000267
       Shop #: WSC 05311 000 00000
       VCID: 1E35BA55C9B69ABF8B-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 3C0-907-044.lbl
       Part No SW: 3C0 907 044 DA    HW: 3C0 907 044 DA
       Component: ClimatronicPQ46 132 0811  
       Revision: 00132023    Serial number: 00000000000000
       Shop #: WSC 00000 000 00000
       VCID: 63C3CBA1A254F757E4-8036
    
    1 Fault Found:
    01809 - Actuating Motor for Temperature Flap; Left (V158) 
                000 - - - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 63
                        Mileage: 250330 km
                        Time Indication: 0
                        Date: 2019.10.19
                        Time: 19:05:03
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 3C0-937-049-30-H.lbl
       Part No SW: 3C0 937 049 AJ    HW: 3C0 937 049 AJ
       Component: Bordnetz-SG     H54 2202  
       Revision: 00H54000    Serial number: 01000008026982
       Coding: EA8A8F0700041A00470A00000F000000000B59435C000100000000000000
       Shop #: WSC 05124 000 00000
       VCID: 71EFB1E968A855C766-8024
    
       Subsystem 1 - Part No: 3C1 955 419 A  Labels: 1KX-955-119.CLB
       Component: Wischer 220108 003  0205  
       Coding: 00046997
       Shop #: WSC 05124  
    
       Subsystem 2 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
       Component: RLS     210909 054  0402  
       Coding: 00209069
       Shop #: WSC 05124  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J791)       Labels:. 1T0-919-475.clb
       Part No SW: 1T0 919 475 B    HW: 1T0 919 475 
       Component: PARKHILFE PLA H07 0006  
       Revision: --------    Serial number: 22030804806442
       Coding: 000006
       Shop #: WSC 05314 000 00000
       VCID: 3A7D56C5B55ED69F97-806E
    
    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__005 VW10 HI   1815  
       Revision: 19013000    Serial number: 0039DP39GDV-  
       Coding: 0012341
       Shop #: WSC 05311 000 00000
       VCID: 3B7353C17A64EF978C-806E
    
       Subsystem 1 - Serial number: 6333FTS635670268 
    
       Subsystem 2 - Serial number: 6343FTS692140268 
    
       Subsystem 3 - Serial number: 6353ETS69NKGSVNP 
    
       Subsystem 4 - Serial number: 6363ETS6FJ0HSVNP 
    
       Subsystem 5 - Serial number: 00000000000000000
    
       Subsystem 6 - Serial number: 00000000000000000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 3C0-953-549-SW20.lbl
       Part No SW: 3C0 953 549 AD    HW: 3C0 953 549 AD
       Component: J0527               0020  
       Revision: 00026000    Serial number: 3C9953507BA   
       Coding: 0000014
       Shop #: WSC 05311 000 00000
       VCID: 6ED5AA9579964A3F7B-803A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 3C0-920-xxx-17.lbl
       Part No SW: 3C0 920 871 E    HW: 3C0 920 871 E
       Component: KOMBIINSTRUMENT VD1 1216  
       Revision: V0002000    Serial number: 00000000000000
       Coding: 0005105
       Shop #: WSC 73430 031 00063
       VCID: 264592B591E6427FC3-8072
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 3C0-907-530-V2.clb
       Part No SW: 3C0 907 530 E    HW: 3C0 907 951 
       Component: J533__Gateway   H10 0080  
       Revision:   H10       Serial number: 1200P082190683
       Coding: F9A17F060002022002
       Shop #: WSC 05311 000 00000
       VCID: 23438BA1E2D4B757A4-8076
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 3C0-959-433-25.clb
       Part No SW: 3C0 959 433 R    HW: 3C0 959 433 R
       Component:    IMMO         042 0383  
       Revision: 00042000    Serial number: VWZCZ000000000
       Shop #: WSC 131071 1023 2097151
       VCID: 397F49C97058DD879E-806C
    
       Subsystem 1 - Part No: 3C0 905 861 G
       Component:    ELV          027 0380
       3C0905861G     ELV          027 0380   
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
       Part No SW: 1K0 959 701 P    HW: 1K0 959 793 L
       Component: J386  TUER-SG FT    1131  
       Revision: 32008001    Serial number: 00000659688218
       Coding: 0000181
       Shop #: WSC 05311 000 00000
       VCID: 3B7353C17A64EF978C-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-144-G2V3.clb
       Part No: 1K1 909 144 M
       Component: EPS_ZFLS Kl.135 H08 1901  
       Shop #: WSC 02069 000 90108
       VCID: 356745F95C4039E77A-8060
    
    1 Fault Found:
    03075 - Parallel Parking Assistance Control Module (J791) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Mileage: 250320 km
                        Temperature: 25.0°C
                        Voltage: 13.50 V
                        Voltage: 13.30 V
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 3C0-959-433-46.clb
       Part No SW: 3C0 959 433 R    HW: 3C0 959 433 R
       Component:    KSG PQ46 ELV 042 0472  
       Revision: 00042000    Serial number: VWZCZ000000000
       Coding: 0091020051030C7F3004951570084F0B607C01
       Shop #: WSC 73430 031 00063
       VCID: 397F49C97058DD879E-806C
    
       Subsystem 1 - Component:   Sounder n.mounted     
    
       Subsystem 2 - Component:       NGS n.mounted     
    
       Subsystem 3 - Component:      IRUE n.mounted     
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
       Part No SW: 1K0 959 702 P    HW: 1K0 959 792 L
       Component: J387  TUER-SG BT    1131  
       Revision: 32008001    Serial number: 00000597388211
       Coding: 0000180
       Shop #: WSC 05311 000 00000
       VCID: 3C7150DD7F6AE8AF85-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake        Labels: 5N0-907-801.clb
       Part No SW: 3C0 907 801 J    HW: 3C0 907 801 J
       Component: J540 EPB3  VW-09393 0009  
       Revision:   008       Serial number: 00000000358085
       Coding: 0000056
       Shop #: WSC 05311 000 00000
       VCID: 295F998980F86D07EE-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 5M0-907-357-V2.lbl
       Part No SW: 5M0 907 357 B    HW: 5M0 907 357 B
       Component: AFS-Steuergeraet    X024  
       Revision: 00H01000    Serial number:               
       Coding: 2311169
       Shop #: WSC 05311 000 00000
       VCID: 33637BE1523427D754-8066
    
       Subsystem 1 - Part No: 7L6 941 329 A  Labels: 3D0-941-329.CLB
       Component: AFS-Lst.-Modul l    0004  
       Coding: 00000035
    
       Subsystem 2 - Part No: 7L6 941 329 A  Labels: 3D0-941-329.CLB
       Component: AFS-Lst.-Modul r    0004  
       Coding: 00000035
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 1K0-035-1xx-56.lbl
       Part No: 1K0 035 186 AD
       Component: Radio GR0       034 0033  
       Revision: 0003404S    Serial number: VWZ2Z2H5938605
       Coding: 0040400
       Shop #: WSC 05314 000 00000
       VCID: 68D9DC8D5B72940F31-803C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels:. 1K0-959-703-GEN3.clb
       Part No SW: 1K0 959 703 AB    HW: 1K0 959 795 L
       Component: J388   TUER-SG HL   0307  
       Revision: 41004101    Serial number: 00000000229572
       Coding: 0000144
       Shop #: WSC 05311 000 00000
       VCID: 70E9B4ED63A25CCF69-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels:. 1K0-959-704-GEN3.clb
       Part No SW: 1K0 959 704 AB    HW: 1K0 959 794 L
       Component: J389   TUER-SG HR   0307  
       Revision: 41004101    Serial number: 00000000224276
       Coding: 0000144
       Shop #: WSC 05311 000 00000
       VCID: 71EFB1E968A855C766-8024
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 02:16)--------------------------

  2. #2
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    Strange, the key in the door lock should mechanically unlock, as well as send the disarm signal on the comfort data bus. And since you stated the windows roll down when the key is turned to unlock, you can assume that the microswitch in the lock module is infact working correctly and the rest of the system is responding by at least rolling the windows down.

    When you turn the key to unlock twice, do all the doors unlock, or none?

  3. #3
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    Even twice doesn´t unlock (from safe). Yes, it is strange, I am thinking about some terminal logic or some "safety" functions, but found nothing yet...

  4. #4
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    ^^^^ hmm..... agree with deiseldub - very odd indeed. I wonder whether the parallel parking DTC in your auto-scan might be implicated -perhaps?

    Yes, T15 voltage should not be present when the unlock function is activated in your example, but perhaps the CAN network thinks that there is a problem with the way that it parked the car and therefore it doesn't want to open the driver's door. If you clear this DTC -is there any correlation between the next occurrence of the error and using parallel park at the previous ignition cycle and subsequent strange lock behavior?

    Long-shot I agree, but in the absence of a better suggestion - perhaps worthy of consideration?

    Don
    Last edited by DV52; 10-24-2019 at 07:58 PM.
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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