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Old October 29th, 2013, 17:52   #1
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Join Date: Apr 2004
Location: Oregon
Fuel Economy: 47 MPG B-20
Default VCDS Port Test - CAN Not Ready

I'm trying to help a friend in Arkansas, 2004 Jetta TDI

See this thread: http://forums.tdiclub.com/showthread.php?t=398332

I shipped my genuine VCDS cable to him, and tried to assist over the phone tonight. He has the latest VCDS software, and running Windows 8.

When he does the port test, K1 OK, K2 OK, CAN Not Ready

Went ahead and selected his vehicle, and tried to scan for codes with auto function, and return message is: Function not supported by gateway.

So any ideas with what's going on with the VCDS and this car?
2004 Jetta PD 5M - 335k - 47mpg B-20 - AME 15W-40

Last edited by phaser; October 29th, 2013 at 17:55.
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Old October 29th, 2013, 21:49   #2
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Join Date: Jun 2013
Location: Lewisville, TX

Not a CAN bus car perhaps?

- Tim
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Old October 29th, 2013, 22:04   #3
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Location: Las Vegas, Nevada

Originally Posted by tadawson View Post
Not a CAN bus car perhaps?
Correct, a 2004 (Mk4) Jetta is not a CAN bus car. The error message about "K1 OK, K2 OK, CAN Not Ready" is correct and normal. When doing the autoscan he cannot do the "auto detect" because that only works on CAN bus (2005.5+) Jettas. He has to open the drop down box and choose his car/engine (a Jetta with an ALH engine) before he starts the autoscan. If this is what he did, I'm not sure what is wrong. One thing to try would be to try accessing individual controllers one at a time instead of an autoscan. You might learn something.

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2009 Jetta SportWagen TDI
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Last edited by JSWTDI09; October 29th, 2013 at 22:11.
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Old October 30th, 2013, 01:55   #4
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Join Date: Apr 2004
Location: Oregon
Fuel Economy: 47 MPG B-20


I assumed it was a North American Jetta and had him use 9M-Jetta IV as the chassis type from the drop down box.

I just ran his VIN number, it was built in Wolfsburg, Germany.

So the correct chassis type is 1J - VW Golf/Bora IV

Now able to scan.

Thanks for the replies.
2004 Jetta PD 5M - 335k - 47mpg B-20 - AME 15W-40

Last edited by phaser; October 30th, 2013 at 19:51.
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Old November 1st, 2013, 14:16   #5
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Join Date: Jun 2012
Location: Central Iowa
Fuel Economy: 32/47

I just got done using my VAG Scanner (official) for the first time. It was driving me nuts, it would test the USB port and connect one time and then lose the connection. Nothing in the instructions state that the green LED should be flashing to Red and back when its communicating correctly. But after I firmly pushed the connection into the car plug it started doing the flashing on and off, worked fine afterward.
Got the IQ adjusted and then changed the door locks to manual and then to unlock the car when the key is removed....Yeah!!!
The IQ was at 1.2 adjusted to 2.2 and my stuttering (sp) on slow down to idle went away.
Retired, Too many hobbies not enough time!
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