200 VW Golf 2.0, Airbag module coding issue/assistance

   #1  
O

overmonk

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I'm working on a 2000 Golf. The airbag module was recently replaced with what was advertised as a new, uncoded unit. After installation, we attempted to follow these instructions but the coding is already in place. I'm trying to determine if we did something wrong, or if the module was not as advertised.

Here's the auto-scan:
Code: 
Saturday,25,January,2020,15:03:26:58966
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.2.0 (x64)
Data version: 20190930 DS308.0
www.Ross-Tech.com


Mileage: 390540km-242670mi   Repair Order: 



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 1J - VW Golf/Bora IV (1998 > 2006)
Scan: 01 02 03 08 15 16 17 19 22 29 35 36 37 39 46 47 55 56 57 75
          76
 
   Mileage: 390540km-242670miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06A-906-018-AEG.lbl
   Part No: 06A 906 018 JJ
   Component: 2.0l R4/2V  MOTR HS V01  
   Coding: 00031
   Shop #: WSC 09144  
   VCID: 73E5B3F841537ED7AA-4AE8

No fault code found.
Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 1J0-907-37x-ABS.lbl
   Part No: 1J0 907 379 P
   Component: ABS     20 IE CAN  0001  
   Coding: 03504
   Shop #: WSC 00000  
   VCID: 3E7352CC3A91E3BF95-4AE8

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
   Part No: 6Q0 909 605 A
   Component: 15 AIRBAG VW5  02   0004  
   Coding: 12597
   Shop #: WSC 00066  
   VCID: 35614DE00FA720E744-4AE8

2 Faults Found:
01221 - Crash Sensor Side Airbag; Driver Side (G179) 
            28-00 - Short to Plus
01222 - Crash Sensor Side Airbag; Passenger Side (G180) 
            28-00 - Short to Plus

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1J0-920-xx0-17.lbl
   Part No: 1J0 920 900 J
   Component: A4-KOMBIINSTR. VDO V26   
   Coding: 07242
   Shop #: WSC 00000  
   VCID: 29599190D31F7407D0-5124

   Subsystem 1 - Part No: IMMO
   Component: IDENTNR: VWZ7Z0Y2245672         
   IMMO-IDENTNR: VWZ7Z0Y2245672       

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
   Part No: 6N0 909 901 
   Component: Gateway K<->CAN    0001  
   Coding: 00006
   Shop #: WSC 00000  
   VCID: 70EFBCF4304545CF57-5124

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 1J0-959-799.lbl
   Part No: 1J0 959 799 AJ
   Component: 60 Zentral-SG Komf. 0001  
   Coding: 04096
   Shop #: WSC 00000  
   VCID: 0603FA2C22C17B7F9D-4B00

   Subsystem 1 - Part No: 1J1959801C
   Component: 60 Tõrsteuerger. FS0002r  

   Subsystem 2 - Part No: 1J1959802D
   Component: 60 Tõrsteuerger. BF0002r  

   Subsystem 3 - Part No: 1J4959811C
   Component: 60 Tõrsteuerger. HL0002r  

   Subsystem 4 - Part No: 1J4959812C
   Component: 60 Tõrsteuerger. HR0002r  

1 Fault Found:
00953 - Interior Light Time limit 
            25-10 - Unknown Switch Condition - Intermittent

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 1J0-035-18x-56.lbl
   Part No: 1J0 035 180 B
   Component:  Radio DE2         0004  
   Coding: 01041
   Shop #: WSC 00000  
   VCID: 1E33B24C9A5183BFB5-51B6

No fault code found.

End-------------------------(Elapsed Time: 05:12)--------------------------


Any direction would be appreciated.
 
   #2  
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Morski

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Where's the first part of your scan?

Is the new module the exact same part number as your old one? Is the coding the same?
Normally a new ecu would be a virgin unit with no coding at all but yours looks like it been used if it already had coding registered. Also VIN numbers are locked to the ecu but being a 2000MY it might be different

According to the faults the issue is with the crash sensors. Are you sure they are connected ok?
 
   #3  
Uwe

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Do you have a scan from this car with the original airbag module?

Airbag modules for these cars come in numerous configurations. The part number alone, like "6Q0 909 605 A" is not sufficient to ensure you've got the right one. The full spec includes the "Index" or "Color Code" as well. The one installed in this car at the moment is "6Q0 909 605 A /015", which may not be the correct one for the car.

-Uwe-
 
   #4  
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overmonk

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This scan should predate the replacement:

Code: 
Sunday,18,November,2018,12:03:41:58966
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 18.2.1.5 (x64)
Data version: 20180518 DS287.2
www.Ross-Tech.com


Mileage: 377870km-234797mi   Repair Order: shanesgolf



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 1J - VW Golf/Bora IV (1998 > 2006)
Scan: 01 02 03 08 15 16 17 19 22 29 35 36 37 39 46 47 55 56 57 75
          76
 
   Mileage: 377870km-234797miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06A-906-018-AEG.lbl
   Part No: 06A 906 018 JJ
   Component: 2.0l R4/2V  MOTR HS V01  
   Coding: 00031
   Shop #: WSC 09144  
   VCID: 73E5B3F841537EDC29-4AE8

4 Faults Found:
16725 - Camshaft Position Sensor (G40) 
            P0341 - 35-10 - Implausible Signal - Intermittent
16684 - Random/Multiple Cylinder Misfire Detected 
            P0300 - 35-10 -  - Intermittent
16688 - Cylinder 4 
            P0304 - 35-10 - Misfire Detected - Intermittent
16839 - EVAP System 
            P0455 - 35-00 - Large Leak Detected
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 1J0-907-37x-ABS.lbl
   Part No: 1J0 907 379 P
   Component: ABS     20 IE CAN  0001  
   Coding: 03504
   Shop #: WSC 00000  
   VCID: 3E7352CC3A91E3B416-4AE8

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
   Part No: 6Q0 909 605 A
   Component: 11 AIRBAG VW5       0004  
   Coding: 12593
   Shop #: WSC 00000  
   VCID: 35614DE00FA720ECC7-4AE8

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1J0-920-xx0-17.lbl
   Part No: 1J0 920 900 J
   Component: A4-KOMBIINSTR. VDO V26   
   Coding: 07242
   Shop #: WSC 00000  
   VCID: 29599190D31F740C53-5124

   Subsystem 1 - Part No: IMMO
   Component: IDENTNR: VWZ7Z0Y2245672         
   IMMO-IDENTNR: VWZ7Z0Y2245672       

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
   Part No: 6N0 909 901 
   Component: Gateway K<->CAN    0001  
   Coding: 00006
   Shop #: WSC 00000  
   VCID: 70EFBCF4304545C4D4-5124

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 1J0-959-799.lbl
   Part No: 1J0 959 799 AJ
   Component: 60 Zentral-SG Komf. 0001  
   Coding: 04096
   Shop #: WSC 00000  
   VCID: 0603FA2C22C17B741E-4AE8

   Subsystem 1 - Part No: 1J1959801C
   Component: 60 Tõrsteuerger. FS0002r  

   Subsystem 2 - Part No: 1J1959802D
   Component: 60 Tõrsteuerger. BF0002B  

   Subsystem 3 - Part No: 1J4959811C
   Component: 60 Tõrsteuerger. HL0002H  

   Subsystem 4 - Part No: 1J4959812C
   Component: 60 Tõrsteuerger. HR0002r  

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 1J0-035-18x-56.lbl
   Part No: 1J0 035 180 B
   Component:  Radio DE2         0004  
   Coding: 01041
   Shop #: WSC 00000  
   VCID: 1E33B24C9A5183B436-51B6

1 Fault Found:
65535 - Internal Control Module Memory Error 
            00-10 -  -  - Intermittent

End-------------------------(Elapsed Time: 05:04)--------------------------

To recap so understand, the part number has to be an * exact * match to the previous part? Down to the color code?
 
   #5  
Uwe

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What's in the scan in post #4 is 6Q0 909 605 A /011.

Does it have to be an exact match? Not necessarily. In some cases, there are compatible supersessions. In some cases, an exactly compatible part is no longer available and other parts (such as side-impact sensors) must be updated to match the new airbag module.

-Uwe-
 
   #6  
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overmonk

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Thanks Uwe.

When we view the module in VCDS, we expected to see all zeroes, and have the ability to follow your process for coding the module - if we see existing coding (and this seems obvious, but I'm still asking) - does this mean the airbag module is not in fact new/unused? I'm assuming yes but still asking for clarity.
 
   #7  
Jef

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The airbag module part number can vary based on the VIN. Now doing a generic "2000 Golf" search, I see some different options. What is the VIN?

An airbag module does not come coded... so it already being coded implies it saw some actions of some sort, but that doesn't tell us how or what. Maybe it was briefly used for testing purposes so it never really saw any road time and is "new" in that regard. We have no way of knowing the module's back story.
 
   #8  
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overmonk

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Hi Jef,

The VIN is 9BWGC21J4Y4040293.

The original module is pictured here:

W5Wr9FFb.jpg


link to full size:

https://imgur.com/W5Wr9FF

Thanks for everything folks.
 
   #9  
Jef

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Vehicle Identification No.9BWGC21J4Y4040293
Model Golf 2,0 GOB
Date of production 12.07.2000
Model year 2000
Sales type 9B14M4
Engine Code AEG
Transmission Code EBP

TzlmJZn.png


Some one please double check my work... but build date of June 12th, 2000, so airbag part number 1C0-909-605-A-014.

The Auto-Scans posted show airbag part number 6Q0-909-605-A with 2 different indexes. But to that end, from what I can tell 6Q0-909-605-A is for the "GOG" model, not the "GOB". I'll admit, we are kind of in some grey area here, but I'd say some wrong parts need to be removed.
 
   #10  
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overmonk

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Jef,

Thanks - that's incredibly informative. For my next question: how do we go about sourcing an exact/working replacement for this part, for a 20 year old car? I doubt we'll find NOS, can a used part be sourced? How do we go about getting an exact replacement is everything on ebay etc if only referencing the part number 6Q0 909 605 A - without asking for endorsement, who do we reach out to? Should we source from VW directly?
 
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