CDKAT 018CH software number 360854

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Topic: CDKAT 018CH software number 360854 (Read 5083 times)

ddillenger

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	CDKAT 018CH software number 360854 « on: May 23, 2013, 02:26:50 PM »

00'd CDKAT, still getting catalyst efficiency codes. I can only assume CDKAT is incorrect, although everything I've checked indicates it is correct. Any experience? 181A1, original attached.

P0420


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ddillenger

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	Re: CDKAT 018CH software number 360854 « Reply #1 on: May 23, 2013, 02:54:25 PM »

CDKAT
CDKATSP
CDKATSPF

and catalyst shows as VCDS passed, but p0420 persists.

Anyone run into this?


« Last Edit: May 23, 2013, 03:05:47 PM by ddillenger »	Logged

prj

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	Re: CDKAT 018CH software number 360854 « Reply #2 on: May 23, 2013, 03:23:27 PM »

I don't have issues on this sw with rear O2 deleted.


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ddillenger

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	Re: CDKAT 018CH software number 360854 « Reply #3 on: May 23, 2013, 03:25:35 PM »

Well normally zero'ing cdkat is enough to kill cat diagnosis, but the p0420 persists. Any hints? I'm sure I'll get it on my own, but assuming we're not talking state secrets, LMK if I'm missing something.

Thanks guys.


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prj

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	Re: CDKAT 018CH software number 360854 « Reply #4 on: May 23, 2013, 03:27:00 PM »

IIRC just killed CDKAT, the Rear O2 related codewords as well as adjusted ESKONF, and I don't remember getting any codes.
I also set CWKONABG to 0 though...


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amd is the best

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	Re: CDKAT 018CH software number 360854 « Reply #5 on: May 24, 2013, 07:21:16 AM »

I removed the rear O2 and SAI on my mothers A4 by zeroing out the following:

CDKAT = 0 (O2) Location = 0x181A1
CWDLSAHK = 0 (O2) Location = 0x18613

CDSLS = 0 (SAI) Location = 0x181B0

Passed OBD inspection.


« Last Edit: May 24, 2013, 07:27:38 AM by amd is the best »	Logged

2012 Golf TDI
2001 Audi A4 2.8 30v Supercharged
1991 Audi 200 20v

amd is the best

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	Re: CDKAT 018CH software number 360854 « Reply #6 on: May 24, 2013, 07:31:39 AM »

Cat deleted and checksummed.


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2012 Golf TDI
2001 Audi A4 2.8 30v Supercharged
1991 Audi 200 20v

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