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Author Topic: VAG-COM scan tool?  (Read 381 times)

Offline rrocket

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VAG-COM scan tool?
« on: September 26, 2011, 11:45:30 pm »
Who here has one?  I have a couple of questions...
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Offline Sir Osis of Liver

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Re: VAG-COM scan tool?
« Reply #1 on: September 26, 2011, 11:52:17 pm »
Quote from: rrocket on September 26, 2011, 11:45:30 pm
Who here has one?  I have a couple of questions...

VAG-COM? I have a couple of questions for you! :rofl2:
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Offline tpl

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Re: VAG-COM scan tool?
« Reply #2 on: September 27, 2011, 05:36:13 am »
I have one, it is called VCDS now.   FWIW I have the Micro-can  connector.  Newer cars only.
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Offline rrocket

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Re: VAG-COM scan tool?
« Reply #3 on: September 27, 2011, 03:25:04 pm »
Quote from: tpl on September 27, 2011, 05:36:13 am
I have one, it is called VCDS now.   FWIW I have the Micro-can  connector.  Newer cars only.

Doh!!  Ok..but answer me this.  I have a downpipe that's on its last legs, and is setting off the "check engine" light.  With the VCDS can you change the threshold (with regards to downpipe efficiency) of when the check engine light comes on?  And when I do swap out the weak downpipe for a super high flow catted one, the check engine light will come on...just because. 

So can you turn it off completely or alter thresholds of warning lights?
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Offline tpl

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Re: VAG-COM scan tool?
« Reply #4 on: September 27, 2011, 04:16:08 pm »
I have to say I have no idea.  You would have to see what the code is in both the cases.   If it is an OBDII code then for sure you can reset it or not...no other options. If it is a VW specific code  then maybe the threshold can be altered.   Codes to do with emissions like anything between the engine and the far side of the post-cat oxygen sensor are usually OBDII

To quote Ross-Tech "  Some things are just the way VW protocols work"

Note that my cable will work on your TT  ( the VCDS web site has a page saying what cars need which cables and the TT is new enough)
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Offline vdk

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Re: VAG-COM scan tool?
« Reply #5 on: September 27, 2011, 07:42:30 pm »
From what I know you can't alter parameters with the VAG-COM. You can definitely clear the codes though.
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Offline rrocket

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Re: VAG-COM scan tool?
« Reply #6 on: September 27, 2011, 07:52:45 pm »
Quote from: vdk on September 27, 2011, 07:42:30 pm
From what I know you can't alter parameters with the VAG-COM. You can definitely clear the codes though.

I know you can alter parameters.  Otherwise, there's no point in having a vag-com vs a regular scanner.  I can clear codes with my plain old scanner on my Audi.
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Offline dr_spock

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Re: VAG-COM scan tool?
« Reply #7 on: September 27, 2011, 08:11:44 pm »
www.vwvortex.com

They have a forum section devoted to vag-com.

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Offline vdk

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Re: VAG-COM scan tool?
« Reply #8 on: September 28, 2011, 02:08:08 am »
Quote from: rrocket on September 27, 2011, 07:52:45 pm
Quote from: vdk on September 27, 2011, 07:42:30 pm
From what I know you can't alter parameters with the VAG-COM. You can definitely clear the codes though.

I know you can alter parameters.  Otherwise, there's no point in having a vag-com vs a regular scanner.  I can clear codes with my plain old scanner on my Audi.

You can change small stuff, like DRLs etc., but how far deep does it go into engine related parameters? I'm curious now..
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Offline tpl

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Re: VAG-COM scan tool?
« Reply #9 on: September 28, 2011, 05:52:22 am »
I am pretty sure that you cannot change parameters that could alter emissions...you need a reflash for that,   if you could change engine parameters it would probably be illegal to sell it in the USA,
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