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OBD Scanners Discussions on using On Board Diagnostic (OBD) scanners/ Diagnostic Equipment related to TDIs

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Old April 25th, 2004, 12:09   #1
Uwe
 
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Default Ross-Tech needs some help

We'd like add a proper "Readiness" screen for TDI's. We've got the info we need for newer ALH engines, but it would be helpful for people with a 1997-1999 AHU (Mk.3 Golf/Jetta or B4 Passat) to check Meauring Block Group 17 and post *exactly* what you see there. In fact, it would be great if you could check it, then clear fault codes (even if you don't have any) and check again.

TIA,

-Uwe-
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Old April 25th, 2004, 13:50   #2
ALCO
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Default Ross-Tech needs some help

1999 Jetta AHU. Measuring Blocks shows no data in group 17 at all (fields are empty). Attempting to access the Readiness function instead of Measuring Blocks results in the message: "Readiness Status Not Available! Vehicle not OBD-II compatible? Data:0A 2B 00 00"

No change in either function after clearing codes. VAG-COM Release 311.2-N. Was this a trick question? [img]/images/graemlins/laugh.gif[/img]
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Old April 25th, 2004, 14:10   #3
Uwe
 
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Default Ross-Tech needs some help

[ QUOTE ]
Was this a trick question?

[/ QUOTE ]

No, not at all. On the newer ALH's there's Readiness data to be had there. Honestly, I had no idea what if anything would be there on an AHU. Thanks!

-Uwe-
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Old February 29th, 2012, 20:07   #4
baddog8it
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Default Curious if READINESS codes even work on AHU???

Any new data on this subject? I have a '98 Jetta TDI w/ AHU engine. Emissions testing is telling them that the EGR readiness code is not complete yet. It has been over a year since I have disconnected the battery, yet I can't get the EGR to the READY state. From what I can tell thru using VAG-COM, only 01 (engine), 15 (airbags) and 56 (radio) even do anything on my USA Jetta with manual tranny. Scanning 01 shows no problems, but when doing a READINESS check, it comes back with "Readiness Status Not Available! Vehicle not OBD-II compatible? Data: E7 11 20 20".

I'm beginning to think that it may never work, but I only get a 30 day extension on my plates with proof of failure caused by READINESS codes.

Even with the VAG-COM, I'm getting nowhere fast!

Here's my log file:
Wednesday, 29 February 2012, 21:06:55
VAG-COM Version: Release 409.1-US

Control Module Part Number: 028 906 021 JB
Component and/or Version: 1,9l R4 EDC G40SG 1457
Software Coding: 00002
Work Shop Code: WSC 00066
No fault code found.

I've tried reading Block 017, but it just won't read it. It just hangs....

Any input is appreciated!
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Old March 3rd, 2012, 07:26   #5
Ifixit
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Default

When I check reddiness for vt state inspection on an 97-98 jetta or a 97 B4 passat I use the generic OBDII function/protocol of VagCom or equiv to check it.
That is the only way to check readiness on theese controllers that I know of
028 906 021 GQ
028 906 021 FA
028 906 021 ED
028 906 021 JB
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Last edited by Ifixit; March 5th, 2012 at 16:05.
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Old March 5th, 2012, 15:36   #6
johnboy00
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Default

You guys do realize that this thread got bumped up from 8 years ago, Right?

I'm pretty sure he got the information he needed a long, long time ago.
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Old March 5th, 2012, 16:07   #7
Ifixit
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ya thanks
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Old March 6th, 2012, 01:13   #8
Birdman
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Default

Quote:
Originally Posted by baddog8it View Post
Any new data on this subject? I have a '98 Jetta TDI w/ AHU engine. Emissions testing is telling them that the EGR readiness code is not complete yet. It has been over a year since I have disconnected the battery, yet I can't get the EGR to the READY state. From what I can tell thru using VAG-COM, only 01 (engine), 15 (airbags) and 56 (radio) even do anything on my USA Jetta with manual tranny. Scanning 01 shows no problems, but when doing a READINESS check, it comes back with "Readiness Status Not Available! Vehicle not OBD-II compatible? Data: E7 11 20 20".

I'm beginning to think that it may never work, but I only get a 30 day extension on my plates with proof of failure caused by READINESS codes.

Even with the VAG-COM, I'm getting nowhere fast!

Here's my log file:
Wednesday, 29 February 2012, 21:06:55
VAG-COM Version: Release 409.1-US

Control Module Part Number: 028 906 021 JB
Component and/or Version: 1,9l R4 EDC G40SG 1457
Software Coding: 00002
Work Shop Code: WSC 00066
No fault code found.

I've tried reading Block 017, but it just won't read it. It just hangs....

Any input is appreciated!
And even after all this time people still think unhooking the battery will do anything on this car. Do they not read anything about waht they are trying to do?.
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Old March 6th, 2012, 05:03   #9
baddog8it
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Quote:
Originally Posted by Birdman View Post
And even after all this time people still think unhooking the battery will do anything on this car. Do they not read anything about waht they are trying to do?.
What makes you say that? If you are referring to me, I disconnected the battery for other reasons, not the reset the ECM. If you read carefully, it has been many months and I am still seeing a "NOT READY". That is what I am trying to solve.

Quote:
Originally Posted by Ifixit View Post
When I check reddiness for vt state inspection on an 97-98 jetta or a 97 B4 passat I use the generic OBDII function/protocol of VagCom or equiv to check it.
That is the only way to check readiness on theese controllers that I know of
028 906 021 GQ
028 906 021 FA
028 906 021 ED
028 906 021 JB
The generic OBDII function/protocol doesn't work for me - I see almost the exact same thing as ALCO except for the data code at the end of the statement.

Quote:
Originally Posted by johnboy00 View Post
You guys do realize that this thread got bumped up from 8 years ago, Right?

I'm pretty sure he got the information he needed a long, long time ago.
Yep, but the answers are still not available yet are still needed.
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Old March 6th, 2012, 08:57   #10
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Since your in St Louis, contact member oilhammer at www.cardocautomotive.com. He should be able to help you out.
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