Passat B7 Electric tailgate retrofit/alarm issue

   #1  

Winst

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Hi Folks
Bit of back history, recently bought a 2012 B7 passat estate, it has quite a good spec but I wanted to retrofit the electric tailgate, I "luckily" found a b6 being broken that had it from factory so snapped up the motors/modules,hinges,button and wiring, I also bought a rear view camera from china (handle with the camera built in OEM style). On installation day all was going well, tailgate retrofit almost complete but found an issue with the button, it wouldn't close tailgate, with the help of my good friend Stan he located the fault being a tailgate latch, a new oem unit was bought and all was well, never completed the camera retrofit but fitted the handle/camera while i had the tailgate panel off, coded the tailgate in via a guy on the interweb who'd done the retrofit a while back. Added "6D trunk elect" to CAN, then in 46 (central conv) changed byte 1 from 91 to 90, byte 2 from 02 to 0A and byte 18 from 41 to 40. All was well with tailgate but now unfortunately the alarm keeps going off randomly, only fault is "Quiescent current, upper limit exceeded" can anybody help me with this? as I've stopped locking the car as it goes off waking the neighbours and children up. Autoscan below

Code:
Chassis Type: 3C-VW46 (7N0)
Scan: 01 02 03 08 09 10 15 16 17 19 25 2E 37 42 44 46 4F 52 53 55
          56 61 62 65 6D 72

VIN: WVWZZZ3CZCE169787   Mileage: 181170km-112573miles

01-Engine -- Status: OK 0000
02-Auto Trans -- 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
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
2E-Media Player 3 -- Status: OK 0000
37-Navigation -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
4F-Centr. Electr. II -- 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
61-Battery Regul. -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
65-Tire Pressure -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (J623-CFGB)       Labels:. 03L-906-018-CFF.clb
   Part No SW: 03L 906 018 NT    HW: 03L 907 309 AE
   Component: R4 2,0L EDC   X27 4010  
   Revision: 41X27---    Serial number: 00000000000000
   Coding: 001D0032042501080000
   Shop #: WSC 92521 052 00000
   ASAM Dataset: EV_ECM20TDI01103L906018NT 003005
   ROD: EV_ECM20TDI01103L906018NA.rod
   VCID: 0919BC9FA85706CE5C-805C

No fault code found.
Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 02E-927-770.clb
   Part No SW: 02E 300 057 N    HW: 02E 927 770 AL
   Component: GSG DSG AG6     512 3113  
   Revision: 05551213    Serial number: 00001203170924
   Coding: 0000020
   Shop #: WSC 05311 000 00000
   VCID: 2447CD2BE7B5BBA64F-8070

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 3AA-614-109.clb
   Part No SW: 3AA 614 109 AF    HW: 3AA 614 109 AF
   Component: J104   C2 450M V476 0023  
   Revision: --H07---    Serial number: 00000005543056
   Coding: 0007100
   Shop #: WSC 05311 000 00000
   VCID: 71E9F47F68C75E0EF4-8024

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 5K0-907-044.clb
   Part No SW: 3AA 907 044 F    HW: 3AA 907 044 F
   Component: Climatronic   H03 0101  
   Revision: 00001K01    
   Coding: 0014004803
   Shop #: WSC 00015 115 00000
   ASAM Dataset: EV_Climatronic A01010
   ROD: EV_ClimaAutoBasis_VW46.rod
   VCID: 33653E779A5B2C1EC6-8066

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 3AA-937-087.clb
   Part No SW: 3AA 937 087 R    HW: 3AA 937 087 R
   Component: BCM PQ47 H++  422 0477  
   Revision: BD422001    
   Coding: 000800000000000000180080550009FC23F54B88626D8760E480C7240041
   Shop #: WSC 55953 001 104857
   VCID: 49997C9FE0D746CE9C-801C

   Subsystem 1 - Part No: 3AC 955 119   Labels: 1KX-955-119.CLB
   Component: Wischer 13031  26  0612 
   Coding: 00B795

   Subsystem 2 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
   Component: RLS 210312 05  54  0403 
   Coding: 0630ED

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791)       Labels:| 3AA-919-475.clb
   Part No SW: 3AA 919 475 L    HW: 4H0 919 475 E
   Component: PARKHILFE PLA H06 0025  
   Revision: --------    Serial number: 56261206500837
   Coding: 149306
   Shop #: WSC 99999 1023 2097151
   ASAM Dataset: EV_EPHVA2C000000000 002008
   ROD: EV_EPHVA2C000000000.rod
   VCID: 44876DABCFF59BA66F-8010

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 5N0-959-655.lbl
   Part No SW: 5N0 959 655 AA    HW: 5N0 959 655 AA
   Component: J234__108 VW10 HI   2118  
   Revision: 26019000    Serial number: 003L7PDMUAVX  
   Coding: 0012344
   Shop #: WSC 00302 210 82996
   VCID: 7CF7D54B3F85236657-8028

   Subsystem 1 - Serial number: 6332MTS604020672 

   Subsystem 2 - Serial number: 6342MTS618410672 

   Subsystem 3 - Serial number: 6351HTS66G1SMAKR 

   Subsystem 4 - Serial number: 6361HTS6AHTC1AKJ 

   Subsystem 5 - Serial number: 00000000000000000

   Subsystem 6 - Serial number: 00000000000000000

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:| 5K0-953-569.clb
   Part No SW: 5K0 953 569 T    HW: 5K0 953 569 T
   Component: LENKS.MODUL   014 0140  
   Revision: --X01---    Serial number: 20121007200530
   Coding: 1992250000
   Shop #: WSC 00302 210 82996
   ASAM Dataset: EV_VW360SteerWheelUDS A03004
   ROD: EV_VW360SteerWheelUDS.rod
   VCID: 49997C9FE8D746CE9C-801C

   Multifunction steering wheel control module: 
   Subsystem 1 - Part No SW: 3C8 959 537 D    HW: 3C8 959 537 D  Labels: 3C8-959-537.CLB
   Component: E221__MFL-TK6  H06 0022 
   Coding: E30000

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 3C8-920-xxx-17.clb-SRI1
   Part No SW: 3AA 920 981 K    HW: 3AA 920 981 K
   Component: KOMBI         H04 1104  
   Serial number: 00000000000000
   Coding: 111F010000
   Shop #: WSC 54764 755 70000
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A05730
   ROD: EV_Kombi_UDS_VDD_RM09_005_VW31.rod
   VCID: 3D71184FAC1FEA6E20-8068

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
   Part No SW: 7N0 907 530 Q    HW: 1K0 907 951 
   Component: J533  Gateway H41 1623  
   Revision:   H41       Serial number: 100312F2002955
   Coding: 462007
   Shop #: WSC 12345 288 11299
   VCID: 3E731F43A919F17639-806A

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 3C0-959-433-25.clb
   Part No SW: 3AA 959 433     HW: 3AA 959 433 
   Component:    IMMO         043 0400  
   Revision: 00043000    Serial number: VWZCZ000000000
   Shop #: WSC 131071 1023 2097151
   VCID: 76E3C76301A9793621-8022

   Subsystem 1 - Part No: 3C0 905 861 J
   Component:    ELV          029 0380
   3C0905861J     ELV          029 0380   

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3 (J650)       Labels:. 5N0-035-342.lbl
   Part No SW: 5N0 035 342 E    HW: 5N0 035 342 E
   Component: SG EXT.PLAYER H13 0240  
   Revision: A1001003    Serial number: 7662190701    
   Coding: 020000
   Shop #: WSC 05314 000 00000
   VCID: 2959DC1F409766CE7C-807C

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation (J794)       Labels:| 1K0-035-27x-37.clb
   Part No SW: 3C0 035 279 G    HW: 3C0 035 279 G
   Component: RNS315-EU   H36 0270  
   Serial number: VWZAZ2M3951393
   Coding: 040004010400110000011002
   Shop #: WSC 00015 115 12345
   ASAM Dataset: EV_RNS315EUV2UDS A01004
   ROD: EV_RNS315EUV2UDS.rod
   VCID: 275DDA275E8350BE6A-8072

   Data medium: 
   Subsystem 1 - Part No: 3AA 919 866 
   Component: EUR_W_V9  0069 

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 3AA 959 701 A    HW: 3C0 959 793 C
   Component: TUER-SG FT    002 0534  
   Revision: 12110009    Serial number: 0004634759
   Coding: 0202B7
   Shop #: WSC 05311 115 00000
   ASAM Dataset: EV_TSGFPQ35BRFVW46X A04001
   ROD: EV_TSGFPQ35BRFVW46X_VW32.rod
   VCID: 3561006F942F322EE8-8060

   Slave Driver: 
   Subsystem 1 - Part No SW: 3C0 959 704     HW: 3C0 959 794   Labels: 1K0-959-70X-GEN4.CLB
   Component: J389__TSG-HR  004 0407 
   Serial number: 00000002810190      
   Coding: 000290

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 P
   Component: EPS_ZFLS Kl. 197    3305  
   Revision: 00H22000    
   Shop #: WSC 02069 000 90108
   VCID: 377D0A674623C03EFA-8062

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 3C0-959-433-46.clb
   Part No SW: 3AA 959 433     HW: 3AA 959 433 
   Component:    KSG PQ47 ELV 043 0634  
   Revision: 00043000    Serial number: VWZCZ000000000
   Coding: 00900A0052830E72200894157C085FCE105840
   Shop #: WSC 05311 123 12345
   VCID: 76E3C76301A9793621-8022

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H05 1501

   Subsystem 2 - Part No: 3C0 951 171 C
   Component: Neigungssensor  004 0611

   Subsystem 3 - Part No: 3C0 951 171 C
   Component: Innenraumueberw.004 0611

No fault code found.

-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II (J520)       Labels:. 1K0-907-532.clb
   Part No SW: 7N0 907 532     HW: 1K0 907 951 
   Component: EZE_2         H41 1623  
   Revision:   H41       Serial number: 100312F2002955
   Coding: 050B0508
   Shop #: WSC 12345 288 11299
   VCID: 6FEDF207BEF348FEE2-803A

   Subsystem 1 - Part No SW: 8R0 959 591 A    HW: 8R0 959 591 
   Component: J245EE20SKB13  H03 0220 
   Serial number: 0123456789ABCDEFGHIJ

   Subsystem 2 - Part No SW: 8R0 959 591 A    HW: 8R0 959 591 
   Component: J394EE20SKB13  H03 0220 
   Serial number: 0123456789ABCDEFGHIJ

   Subsystem 3 - Part No SW: 3AA 919 204 A    HW: 3AA 919 204 A
   Component: Analoguhr  004 0003 

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 3AA 959 702 A    HW: 3C0 959 792 C
   Component: TUER-SG BT    002 0534  
   Revision: 14110009    Serial number: 0004628845
   Coding: 0202B6
   Shop #: WSC 05311 115 00000
   ASAM Dataset: EV_TSGBPQ35BRFVW46X A04001
   ROD: EV_TSGBPQ35BRFVW46X_VW32.rod
   VCID: 3663076389293936E1-8062

   Slave Passenger: 
   Subsystem 1 - Part No SW: 3C0 959 703     HW: 3C0 959 795   Labels: 1K0-959-70X-GEN4.CLB
   Component: J388__TSG-HL  004 0407 
   Serial number: 00000002802665      
   Coding: 000290

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake        Labels: 3AA-907-801.clb
   Part No SW: 3AA 907 801 H    HW: 3AA 907 801 H
   Component: J540 EPB4  VW-86594 0010  
   Revision:   H19       Serial number: 00000000077982
   Coding: 0022167
   Shop #: WSC 05311 000 00000
   VCID: 3663076341293936E1-8062

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J745)       Labels:. 5M0-907-357-V3.clb
   Part No SW: 5M0 907 357 F    HW: 7L6 907 357 C
   Component: AFS-ECU       H04 0111  
   Revision: --------    Serial number: --------------
   Coding: 029600000B000200
   Shop #: WSC 00302 210 82996
   ASAM Dataset: EV_HeadlRegulVWAFSPt 002016
   ROD: EV_HeadlRegulVWAFSPt_VW46.rod
   VCID: 377D0A678E23C03EFA-8062

   Subsystem 1 - Part No SW: 3D0 941 329 A    HW: 3D0 941 329 A  Labels: 3D0-941-329.CLB
   Component: LeiMo links  H05 0012 
   Coding: 230000

   Subsystem 2 - Part No SW: 3D0 941 329 B    HW: 3D0 941 329 B  Labels: 3D0-941-329.CLB
   Component: LeiMo rechts  H04 0012 
   Coding: 230000

No fault code found.

-------------------------------------------------------------------------------
Address 61: Battery Regul. (J840)       Labels:. 1K0-907-534.clb
   Part No SW: 7N0 907 534     HW: 1K0 907 951 
   Component: Batt.regelung H41 1623  
   Serial number: 100312F2002955
   Coding: 030F1859
   Shop #: WSC 12345 288 11299
   VCID: 71E9F47FA8C75E0EF4-8024

   Subsystem 1 - Part No SW: 1K0 915 181 H    HW: 1K0 915 181 A
   Component: J367-BDM  H07 0180 
   Serial number: 00000000008900582038

1 Fault Found:
02256 - Quiescent Current 
            001 - Upper Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00110001
                    Fault Priority: 7
                    Fault Frequency: 1
                    Reset counter: 156
                    Mileage: 181119 km
                    Time Indication: 0
                    Date: 2020.09.05
                    Time: 02:44:45


-------------------------------------------------------------------------------
Address 65: Tire Pressure (J502)       Labels: 3AA-907-273.clb
   Part No SW: 3AA 907 273 D    HW: 3AA 907 273 D
   Component: RDKBERU30     H09 0010  
   Serial number: 30000000025982
   ASAM Dataset: EV_RDKBERU30 003012
   ROD: EV_RDKBERU30_003.rod
   VCID: 3561006F942F322EE8-8060

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect.        Labels: 3C9-827-383.clb
   Part No SW: 3C9 827 383 B    HW: 3C9 827 383 E
   Component: J605  HECKDECKEL    0600  
   Revision: 00H21001    
   Shop #: WSC 23250 384 715754
   VCID: 306F317BA34D1706BB-8064

   Subsystem 1 - Part No: 3C9 827 384 B
   Component: J756  HECKDECKEL    0600

   Subsystem 2 - Serial number: 0700H21001001B0174ÿ

No fault code found.

End-------------------------(Elapsed Time: 03:53)--------------------------
[code]
 
   #2  

Uwe

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In 46-CCM look at MVB 020. There you should find the four most recent alarm sources. If you hover your cursor over one of the data fields, you should get a balloon that tells you the meaning of those numbers.

-Uwe-
 
   #3  

Winst

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Thanks for the reply Uwe, that’s very helpful, didn’t know about that,
I’ve checked that’s and it’s saying it’s number 4 which is “rear lid” .... I know it locks but I maybe need to confirm it’s actually locked when the alarm is going off. Would there be another reason the alarm is going off for rear lid do you know?
 
   #4  

siLc

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On the Passat B7 estate, the rear lid lock usually goes bad. Since you have changed this for a new one, the lock itself shouldnt be the issue anymore. While driving, do you get any intermittent indications that the rear lid is open? The next suspect would be the wiring harness between the rear lid and body.
 
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   #5  

Winst

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Thanks for the reply SiLc, after doing a bit of reasearch I read the locks were problematic so I’ve been keeping an eye on the mfd to see if I do get the rear lid open symbol, all seems good there, I’ll double check the wiring between the lid and the body, thanks mate👍🏻
 
   #6  

Winst

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Well not really much further on with this at the minute, all the doors seem to be locking ok, but the alarm is still going off frequently..... is there away to actually disable the alarm Via vcds until I get more time to track down the issue?, I need to be able to lock the car and it’s driving the neighbours insane....
 
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