Problems with the auto-lock system of my VW Amarok

   #1  

obedlink

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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  

Uwe

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   #3  

MartinsX

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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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   #4  

obedlink

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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
 
   #5  

obedlink

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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... ;)
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?
 
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   #6  

obedlink

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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.
 
   #7  

MartinsX

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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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   #8  

obedlink

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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.
I have monitored the status of the locks on a trip and I could see that the right rear door lock switches between lock and unlock.
I've already tried 3 locks on that door and the problem persists, cables and connectors look good.
I am almost sure that the problem must be the BCM, it is the only electrical problem of the car.
I have also already changed the switch of the central lock of the driver's door

If I decide to change the BCM for a new one, I just have to enter the same coding of the damaged one and adapt the key so that the central lock works from the remote control. or is it more complicated?
 
   #9  

obedlink

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Forget the above, I decided to do another test, I took a trip with VCDS recording the status of the doors.

At the moment the locks made noise, VCDS only registered in the right rear door that the status changed from 'Locked' to 'safe', so the problem has to do with the SAFE system ?, currently the SAFE system is factory disabled .
When I turn off the car and remove the key, the message 'check SAFE' always appears on the dashboard

Now with this information, do you have any idea what the problem is? the other 3 doors kept the status 'Locked'

 
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   #10  

obedlink

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Hello

Me bothering again.

I have tried to lock the car with the remote control leaving the laptop running VCDS monitoring the status of the doors.
By doing this, I see that all the doors change their status to "safe" a different status to "locked", and the door that causes problems in motion just changes from "locked" to "safe".

Last week I had trouble installing a third lock, this time a generic one (Chinese) because I didn't want to spend a lot of money on something that might not work, and indeed, the problems continued.
I have tried 3 locks, 2 new and original and one unbranded.

Can it be concluded that the problem is the BCM?
 
   #11  

iichel

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What happens when you get rid of the safelock function?
BCM coding:
Code:
[B][U]77[/U][/B]0002380C210000003808102C4B84C40080410E60000000300000000003
 
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   #12  

MasterTommy

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I was just about to comment about safelock. I experienced this behaviour once when i activated safe lock functionality in the coding of my door controllers and in the BCM, to see if it would work (it didnt, different hardware). Check your door lock parts numbers and verify if theyre safe-lock or not, and if the coding matches the actual components.
 
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   #13  

obedlink

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What happens when you get rid of the safelock function?
BCM coding:
Code:
[B][U]77[/U][/B]0002380C210000003808102C4B84C40080410E60000000300000000003
Hello, your coding works, now I no longer see the message on the dashboard when removing the key, and verifying with VCDS the doors do not enter "safe" mode when locking the car with the key.
but the problem persists, and even with the safelocking system disable, when the locks make noise while moving they always try to put themselves in "safe" mode.
so it could be concluded that it is a BCM problem?
I was just about to comment about safelock. I experienced this behaviour once when i activated safe lock functionality in the coding of my door controllers and in the BCM, to see if it would work (it didnt, different hardware). Check your door lock parts numbers and verify if theyre safe-lock or not, and if the coding matches the actual components.
Yes, my locks are compatible with the safelocking system.
 
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