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Thread: Problems with the auto-lock system of my VW Amarok

  1. #1
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    Problems with the auto-lock system of my VW Amarok

    Hello guys

    In this last year I have been fighting with the auto-lock system of my VW Amarok.
    At the beginning using VCDS I had an intermittent error with the co-pilot's lock, I replaced the lock. the problem continued now giving error with the rear right lock.

    I decided to change all the locks on the 4 doors and the fuel cap lock. The problem persists, but now VCDS does not report any errors.

    the problem is that when the car reaches 15 km/h, the auto-lock is activated, but when driving, it sounds like the doors lock and unlock randomly, sometimes he only does it a couple of times.
    It is annoying, otherwise it can damage the locks.

    the vehicle only has 90,000 km, so it is unlikely that it is a wiring fault, when they installed the new locks everything seemed fine
    My suspicion is the BCM module, for now I have decided to disable the auto-lock function.
    If I decide to replace the BCM module with an identical one, would I just have to copy and paste the coding of my current BCM? Or would I have to make additional adaptations such as keys?
    What do you recommend me to do before deciding to change the BCM?

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Please post an Auto-Scan for context.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. #3
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    More like something keeps giving false command to unlock the doors and autolocking feature returns the locked state immediately if car is in motion. What about button for locking/unlocking from inside? Or wiring to it? It will not record any fault code as pressing button is normal user operation...

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  5. #4
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    Quote Originally Posted by Uwe View Post
    Please post an Auto-Scan for context.

    -Uwe-
    Code:
    Thursday,30,January,2020,12:42:11:04451
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.2.0 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20190930 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WV1ZZZ2HZEA001376   License Plate: 
    Mileage: 89560km-55650mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 2H-VN81 (6N0)
    Scan: 01 03 08 09 15 17 19 22 25 32 56
    
    VIN: WV1ZZZ2HZEA001376   Mileage: 89560km-55650miles
    
    01-Engine -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- 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
    22-AWD -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    32-Differential Locks -- Status: OK 0000
    56-Radio -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CNEA)       Labels:. 03L-906-022-CFC.clb
       Part No SW: 03L 906 012 AT    HW: 03L 907 309 AC
       Component: R4 2,0L EDC   H24 5931  
       Revision: 74H24---    Serial number: 00000000000000
       Coding: 01590012232600080001
       Shop #: WSC 07456 000 09999
       ASAM Dataset: EV_ECM20BTD01103L906012AT 001006
       ROD: EV_ECM20BTD01103L906012AT.rod
       VCID: 76B5E55B58462B87E3B-8022
    
    No fault code found.
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (-----)       Labels: 2H0-907-37x-ESP.clb
       Part No SW: 2H0 907 379 L    HW: 2H0 907 379 D
       Component: ESP MK25A XT  H44 0110  
       Revision: 00H44001    
       Coding: C07324B69194039624A589AA6F5690
       Shop #: WSC 07456 000 01807
       VCID: 392F2E67295884FFCE9-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:| 7E5-907-040.clb
       Part No SW: 2H0 907 040 E    HW: 2H0 907 040 E
       Component: ClimatronicT5 H19 0406  
       Revision: 00001003    
       Coding: 0000000002
       Shop #: WSC 07456 790 50316
       ASAM Dataset: EV_ClimatronicT5 A01003
       ROD: EV_ClimaAutoT5Basis.rod
       VCID: 2313EC0FBB54EE2FF45-8076
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 6R0-937-08x-09.clb
       Part No SW: 6R7 937 087 M    HW: 6R7 937 087 M
       Component: PQ25 BCM      H30 0555  
       Revision: -1------    Serial number: --------------
       Coding: 750002380C210000003808102C4B84C40080410E60000000300000000003
       Shop #: WSC 00241 865 100878
       VCID: 4EC56DBB80D633470BB-801A
    
       Subsystem 1 - Part No SW: 6R0 959 801 M    HW: 6R0 959 801 M  Labels: 6R0-959-801.CLB
       Component: J386__TSG_FT  002 3323 
       Serial number: --------------------
       Coding: 840000
    
       Subsystem 2 - Part No SW: 6R0 959 802 P    HW: 6R0 959 802 P  Labels: 6R0-959-802.CLB
       Component: J387__TSG_BT  002 3323 
       Serial number: --------------------
       Coding: 840000
    
       Subsystem 3 - Part No SW: 5K0 959 542 C    HW: 5K0 959 542 C  Labels: 3C8-959-537.CLB
       Component: E221__MFL-TAS  H31 0033 
       Serial number: 0573921             
       Coding: 020000
    
       Subsystem 4 - Part No SW: 6R0 959 811 D    HW: 6R0 959 811 D
       Component: J388__TSG_HL  002 3323 
       Serial number: --------------------
       Coding: 800000
    
       Subsystem 5 - Part No SW: 6R0 959 812 D    HW: 6R0 959 812 D
       Component: J389__TSG_HR  002 3323 
       Serial number: --------------------
       Coding: 800000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
       Part No SW: 2H0 959 655 B    HW: 2H0 959 655 B
       Component: VW10Airbag00B H07 0013  
       Revision: --------    Serial number: 003HN00CUA2B
       Coding: 000000000000000000000000000000003042
       Shop #: WSC 07446 790 50316
       ASAM Dataset: EV_AirbaVW10BPAVN750 A01026
       ROD: EV_AirbaVW10BPAVN750_VW12.rod
       VCID: 33331C4F0BB47EAF045-8066
    
       Crash sensor for side airbag: driver side: 
       Serial number: 3495RRB400C50H9GCOFS
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 3505RRB400C50H9GIP3F
    
       Crash sensor for front airbag: driver side: 
       Serial number: 3555YRB401C50GJ0KP8S
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 3565YRB401I50GJ0R9R2
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
       Part No SW: 2H0 920 853 C    HW: 2H0 920 853 C
       Component: KOMBI         H05 0605  
       Serial number: 00000000000000
       Coding: 150A00
       Shop #: WSC 07456 790 50316
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04716
       ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
       VCID: 2809FB23C2720D77A17-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 6N0-909-901-6R.clb
       Part No SW: 6N0 909 901     HW: 6R7 937 087 M
       Component: GW-K-CAN TP20 H30 0555  
       Revision: -1------    
       Coding: 742200
       Shop #: WSC 07462 790 50316
       VCID: 70B9D3433AA205B7397-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 22: AWD        Labels: None
       Part No SW: 2H0 927 755 D    HW: 2H0 927 755 D
       Component: SG offroad VTG      0156  
       Revision: 00H07000    Serial number: T53YC14433OSPV
       Coding: 0000013
       Shop #: WSC 131071 1023 2097151
       VCID: 313F1647FD284CBF769-8064
    
    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          H05 0605  
       Serial number:               
       Coding: 000000
       Shop #: WSC 00000 000 00000
       ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03709
       ROD: EV_Immo_UDS_VDD_RM09.rod
       VCID: 6A8DC12B1CFEFF67773-803E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 32: Differential Locks (J647)       Labels:* 2H0-927-771.clb
       Part No SW: 2H0 927 771 A    HW: 2H0 927 771 
       Component: Quersperre    H04 0017  
       Revision: 11001001    Serial number: 4DG 12.06.13 00
       Coding: 000001
       Shop #: WSC 00000 000 00000
       ASAM Dataset: EV_QuersUDSAAMVN817 A01606
       ROD: EV_QuersUDSAAMVN817.rod
       VCID: 2C010733D68A215745F-8078
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
       Part No SW: 6RD 035 187 B    HW: 6RD 035 187 B
       Component: Radio         541 5516  
       Revision: --------    Serial number: VWZZZ4J6246404
       Coding: 16000440040005
       Shop #: WSC 00078 790 00103
       VCID: 46D5559B68A6FB07B3B-8012
    
    No fault code found.
    
    End----------(Elapsed Time: 00:46, VBatt start/end: 14.0V/14.0V)-----------
    the last scan was about 2 months ago, and at that time I had problems, but as you see since I have the new locks there are no errors generated

  6. #5
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    Quote Originally Posted by MartinsX View Post
    More like something keeps giving false command to unlock the doors and autolocking feature returns the locked state immediately if car is in motion. What about button for locking/unlocking from inside? Or wiring to it? It will not record any fault code as pressing button is normal user operation...
    I do not think it possible, I have already done it, when I unlock the doors from the button with the car moving, it does not lock. until I do it manually or lower the speed to less than 15 km/h and go back up the speed.
    I do this when the locks start to give problems and sometimes it works because it stops doing for a good time.

    Today I disabled the auto-lock function, if the door switch is the cause of the problem, it should unlock the doors when the car is moving. if it doesn't, I think it would be ruled out.

    UPDATED!

    I made a short tour with auto-lock disabled, before starting the march I locked the doors from the door switch. A few meters ahead I hear noise in the locks, I stop and try to open the doors from outside, but inside the car, (I lowered the windows to be able to do), the doors are locked.

    I continue and make noise again, I stop and check, the doors closed.
    It's strange, but I hadn't commented that the sound is dimmer than when I unlock the doors with the button.
    locking and unlocking the doors from the switch, there comes a time when the button to unlock stops responding, so maybe you're right, the switch may be failing.

    Anything else to discard it?
    Last edited by obedlink; 01-30-2020 at 05:03 PM.

  7. #6
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    bad news, today I replaced the central locking switch with an original one, all the wiring looks good.

    But the problem persists.

  8. #7
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    Try to monitor lock/unlock commands with VCDS in graphic mode. You need to find from what circuit the locking command is coming from. I don't have Amarok WD in front of me now, but I think there are some possibilities: inside lock/unlock switch, door lock cylinders for mechanical locking/unlocking from outside. Not sure Amarok has any lock cylinder at trunk area? If yes, I would check this circuit next.

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