Alarm acting up, multiple intermittent issues

   #1  

fredmeissner

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The alarm on my 2003 Jetta wagon goes off randomly. I did some research on possible causes and did a scan, which showed an intermittent connection to the left front door lock module. I replaced that, but I'm still getting multiple intermittent errors for things in the left front door, so I'm guessing there are issues with the cable. I checked the connection between door and body and couldn't find any damaged wires. Would replacing the door wiring harness be the next logical step based on the following scan?

Code:
VCDS-Lite Version: Release 1.2
Monday, 12 August 2019, 15:42:45:4930


Chassis Type: 9M - VW Jetta IV
Scan: 01,02,03,08,09,15,16,17,19,22,29,35,36,37,39,46,47,55,56,57,75,76
 
-------------------------------------------------------------------------------
Address 01: Engine       Labels: Redir Fail!
   Controller: 038 906 012 GN
   Component: 1,9l R4 EDC G000SG  4308
   Coding: 00002
   Shop #: WSC 01266
   VCID: 62B73AC9FD57
   WVWSP61J63W434777     VWZ7Z0B6381450
No Faults Found
  or DTCs not supported by controller
  or a communication error ocurred

-------------------------------------------------------------------------------
Address 03: ABS Brakes       Labels: 1C0-907-37x-ABS.LBL
   Controller: 1C0 907 379 L
   Component: ABS FRONT MK60      0101
   Coding: 0004097
   Shop #: WSC 01266
   VCID: 33198F8D122D
No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags       Labels: 6Q0-909-605-VW5.LBL
   Controller: 1C0 909 605 F
   Component: 03 AIRBAG VW61 0202 0001
   Coding: 12339
   Shop #: WSC 01266
   VCID: 27216BDDD6F5
1 Fault Found:
00532 -  Supply Voltage B+
            07-10 -  Signal too Low - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments       Labels: 1J0-920-xx5-17.LBL
   Controller: 1J0 920 906 L
   Component: KOMBI+WEGFAHRSP VDO V11
   Coding: 07232
   Shop #: WSC 08157
   VCID: 31158585E831
   WVWSP61J63W434777     VWZ7Z0B6381450
No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway       Labels: 6N0-909-901-19.LBL
   Controller: 6N0 909 901 
   Component: Gateway K<->CAN    0001
   Coding: 00006
   Shop #: WSC 01266
   VCID: F093C081A3BB
1 Fault Found:
01331 -  Door Control Module; Driver Side (J386)
            49-10 -  No Communications - Intermittent

-------------------------------------------------------------------------------
Address 46: Central Conv.       Labels: 1C0-959-799.LBL
   Controller: 1C0 959 799 C
   Component: 8A Komfortgerát HLO 0003
   Coding: 00258
   Shop #: WSC 01266
   VCID: 3701BB9D0655
2 Faults Found:
01331 -  Door Control Module; Driver Side (J386)
            49-10 -  No Communications - Intermittent
00912 -  Window Regulator Switch; Front Left (E40)
            27-10 -  Implausible Signal - Intermittent

-------------------------------------------------------------------------------
Address 56: Radio       Labels: 3B7-035-1xx-56.LBL
   Controller: 3B7 035 180 D
   Component:    Radio NP2        0008
   Coding: 00401
   Shop #: WSC 01266
   VCID: 213575C5B8D1
2 Faults Found:
00878 -  Connection to Speaker Front Left
            36-10 -  Open Circuit - Intermittent
01336 -  Data Bus for Comfort System
            49-10 -  No Communications - Intermittent

End   --------------------------------------------------------------------------------------------------
 
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   #2  

Uwe

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Have you checked what the actual source of your alarms is in MVB 016 of the CCM?

; 1 = Door Contact Switch Driver Door
; 2 = Door Contact Switch Passenger Door
; 4 = Door Contact Switch Rear Left Door
; 8 = Door Contact Switch Rear Right Door
; 16 = Door Contact Switch Rear Lid/Tailgate
; 17 = Immobilizer
; 18 = Anti Theft System Power Supply
; 32 = Engine Hood Contact Switch
; 64 = Ignition (Terminal 15)
; 128 = Interior Monitoring
; 255 = No Alarm Source recognized

-Uwe-
 
   #3  

dafrazi

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Intermittent alarms is a common sign of a poor battery on that era of car. Have you had the battery tested?
 
   #4  

Jack@European_Parts

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2 Faults Found:
01331 - Door Control Module; Driver Side (J386)
49-10 - No Communications - Intermittent
00912 - Window Regulator Switch; Front Left (E40)
27-10 - Implausible Signal - Intermittent
I would say likewise on the battery or checking charging system and in addition to block checks as Uwe aforementioned, silly me for asking this, but have you checked jam boot chafe harness points and starting with the drivers door since that is where the DTC is? :rolleyes:
 
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