VAG-COM Discussion

Vagcom compatibility issue

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Old Apr 18, 2010 | 01:02 AM
  #1  
shoppinit's Avatar
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Default Vagcom compatibility issue

Hello.

Interesting problem. I scanned my friend's S6+ C4 with my hex-usb+can cable using the 2x2 adapter. It couldn't connect to the ECU but it connected to the instruments and Klima. Nothing I could do could get it to talk to the ECU.

Then I tried with my friends NON-can ross tech cable and it talked to the ECU with ZERO problems.

HOWEVER, his cable kept getting rejected by the instruments module (too many communication errors) whereas MY cable worked fine with the instruments.

Also his cable found and could talk to the immobiliser module (25) and mine didn't even see it.

What's going on? Why won't my cable work properly with the S6+?

Thanks.

PS we were both using version 908

FWIW here's the scan using my cable:

Code:
VCDS Version: Release 908.1
Data version: 20091018

Saturday,17,April,2010,14:20:30:19387

Chassis Type: 4A - Audi 100/A6 C4
Scan: 01 02 03 08 15 17 25 35
 
-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 4D0-907-379-ABS.lbl
   Part No: 4D0 907 379 F
   Component: ABS/EDS BOSCH 5    7679  
   Shop #:  

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 4A0-820-043.lbl
   Part No: 4A0 820 043 H
   Component: Klima-Vollautomat   D05  
   Coding: 00050
   Shop #:   

1 Fault Found:
01274 - Air Flow Flap Positioning Motor (V71) 
            41-10 - Blocked or No Voltage - Intermittent

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 8A0-959-655.lbl
   Part No: 8A0 959 655 C
   Component: Airbag V AUDI      D00   
   Coding: 01022
   Shop #:   

1 Fault Found:
00532 - Supply Voltage B+ 
            07-10 - Signal too Low - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 4Ax-919-03x-17.lbl
   Part No: 4A1 919 033 HE
   Component: C4-KOMBIINSTRUMENT  D00  
   Coding: 00054
   Shop #: 

No Faults Found
  or DTCs not supported by controller
  or a communication error occurred

End   ---------------------------------------------------------------------
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Old Apr 18, 2010 | 04:24 AM
  #2  
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Please update to 908.2 - the current version and see if this problem still occurs. It should not. There is no reason why you should be seeing flaky communications.

You can also download and try the Beta 10.3 or 10.4 versions since all are free. The Beta versions can live alongside the current version 908.2 without any negative effects. So, please try some of the more recent versions to see if that will help.
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Old Apr 18, 2010 | 04:55 AM
  #3  
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I can't see an update making any difference unless this issue is specifically addressed in the new version(s). Is it?

It also doesn't explain why the KII cable and Hex_usb+can cable had different results. According to the Audi 100 / A6 Application Chart, both should work.

I only tried the KII cable out of sheer desperation because I couldn't connect to the ECU.

Neither cable could connect to the central locking (35).
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Old Apr 18, 2010 | 09:19 AM
  #4  
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If you are a registered user of VCDS, then call our tech support line when you are connected to the car. The problems you are experiencing may require that some of the comm parameters get tweaked.

You may also have a module in the car that is causing the crazy communication problems. So, like I said, if a registered user, contact us during business hours for more help.
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Old Apr 18, 2010 | 09:59 AM
  #5  
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Fair enough. Not the answer i was really looking for though.

What's the UK support phone number please?

Thanks.
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Old Apr 18, 2010 | 03:37 PM
  #6  
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In the UK you should contact the distributor from whom you bought. You always have the alternative to call Ross-Tech direct in the states between 9am & 6pm EDT - roughly 5 hours behind your time. Before you do this, if you did not buy direct from Ross-Tech, please be sure to register your interface with us. We will not support you without your registering. See this page: http://www.ross-tech.com/vca/hex-com-reg.php
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Old May 9, 2010 | 12:55 AM
  #7  
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Right, I have registered my cable.

Do I really have to call the USA to get help?
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Old May 11, 2010 | 11:43 AM
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What kind of PC are you using -- Make, Model, CPU, RAM, version of Windows?

If a non-CAN cable worked, try using the "Bypass CAN Init" checkbox on the Options screen.

-Uwe-
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Old May 23, 2010 | 08:06 AM
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I'm using a fairly recent Lenovo Thinkpad, Dual core, XP pro SP3 with 1Gig of RAM.

I might get a chance to try again with the same car next weekend. I'll try what you suggested.
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