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Thread: A4 B9 Avant MY16 OEM alarm retrofit faults

  1. #1
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    A4 B9 Avant MY16 OEM alarm retrofit faults

    Hi guys, I retrofitted the complete alarm system on my A4 B9 which consists on a front alarm horn + the interior monitoring system. After doing that, I coded what was necessary on module 46 and I got the horn working (also beep on closing/opening works) but the interior monitoring system doesn't. I did an autoscan ad this is the fault it gives me (I post only the involved unit, the others are ok and have no faults):

    Code:
    Address 46: Central Conv. (J393)       Labels:* None
       Part No SW: 8W0 907 064 BC    HW: 8W0 907 064 C
       Component: BCM2 MLBevo   018 0327  
       Coding: 013400004F0000E0E38980006E00080031004000104702502F0400000504803F001F0000000000
       Shop #: WSC 06335 790 00001
       ASAM Dataset: EV_BCM2HellaAU736 011012
       ROD: EV_BCM2HellaAU736_011_AU49.rod
       VCID: 7EB0337EE13986BFEB-802A
    
       Sensor For Anti Theft Alarm System: 
       Subsystem 1 - Part No SW: 5Q0 951 177     HW: 5Q0 951 172 
       Component: Sensor, DWA  005 0316 
       Serial number: 000000000ZY161022GHN
    
       Alarm horn: 
       Subsystem 2 - Part No SW: 5Q0 951 605 A    HW: 5Q0 951 605 A
       Component: Sirene, DWA  005 0314 
       Serial number: 00000000000099623377
    
       Sensor Controlled Power Rear Lid: 
       Subsystem 3 - Part No SW: 3AA 962 243 G    HW: 3AA 962 243 G
       Component: GEB.F.Heckoef  H16 0903 
       Serial number: 84390097            
    
    1 Fault Found:
    65598 - Sensor 2 for interior monitoring 
              B1332 29 [008] - Signal Implausible
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 5
                        Fault Frequency: 70
                        Reset counter: 39
                        Mileage: 130471 km
                        Date: 2019.08.11
                        Time: 20:06:21
    
                        Supply voltages-Supply voltage: Terminal 30: 12.392 V
                        Supply voltages-Supply voltage Terminal 30 - 2: 12.419 V
                        Supply voltages-Supply voltage Terminal 30 - 3: 12.419 V
                        general_additional_freeze_frame-Ambient_temperature_not_filtered: -50.0 C
                        general_additional_freeze_frame-coprocessor_spi_status: 00000000 
                        general_additional_freeze_frame-dataflash_status: 00000000 
                        general_additional_freeze_frame-interior_temperature: -50.0 C
                        general_additional_freeze_frame-Operating_Status: 00000000 00000000 
                        general_additional_freeze_frame-production_mode: not active
                        general_additional_freeze_frame-reset_cause: 00000000 
                        general_additional_freeze_frame-Reset_counter: 0
                        general_additional_freeze_frame-Stall_current_cutoff_level: Deactivation stage 0
                        general_additional_freeze_frame-Stall_Current_Measuring_Mode: not active
                        general_additional_freeze_frame-subnetwork_status: 00000000 00000000 
                        general_additional_freeze_frame-terminal_control_intern_status: 40 04 5A 12 04 38
                        general_additional_freeze_frame-Transport_Mode: not active
                        general_additional_freeze_frame-Vehicle speed: 0.00 km/h
                        can_lin_communication_freeze_frame: 00000000 00000000 00000000 00000000
    I checked the button for activation/deactivation of the interior monitoring system and it is correctly wired, as all the other connections. Plus, if I try to disconnect the interior sensors VCDS gives me a different error, like "no communication" or something similar, so I think the fault I have means that the sensors don't work and need to be changed.

    Thank you for your help in advance!

    Thomas

  2. #2
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    The alarm sensor module 5Q0 951 172 has three sensors. If one is implausible, perhaps check its installation - is it secured in it's proper place?

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    Thanks for your reply siLc, yes in fact it has three sensors and the fault is on sensor 2, but the part has only one connection for all the three sensors, so I don't know what to check....it seems one of the sensors is faulty right?

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    I meant the sensors see through a plastic trim piece (usually a grille) to monitor the car interior. Perhaps sensor 2 is out of place and is monitoring a plastic piece inside the headliner, instead of the car interior. Did you buy the sensor module new or used?

  5. #5
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    Oh ok, I will check them! I bought it used so maybe during the transport or removing someone moved the sensor...but is it possible that the whole system don't work just for a fault like this?!

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    NostraJackAss Jack@European_Parts's Avatar
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    RETROFITS.....
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
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    Is it the wrong area for this thread? If yes, sorry it is the first time for me....

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    NostraJackAss Jack@European_Parts's Avatar
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    https://forums.ross-tech.com/forumdi...p?10-Retrofits


    Yes please see the door to Boggy land

    Last edited by Jack@European_Parts; 08-28-2019 at 10:11 AM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Jack@European_Parts View Post
    RETROFITS.....
    Yep, moving...

    -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.

  10. #10
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    Solved! I replaced the interior monitoring sensors and now it works! So maybe sensor 2 was faulty like I thought since the beginning...thanks anyway for your help!

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