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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKIV-A4 TDIs (VE and PD)

VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old January 18th, 2005, 09:48   #1
Join Date: Apr 2004
Location: Buffalo, NY
Default no reading from test port? can I test - test port?

Ok, so I took my car to autozone the other day to get the codes for my CEL, as it's been on for some time now.

the machine could not communicate with the computer-
tried another autozone, and got the same results.. I pulled the diagnostic port out to check the pins, and they all look OK, and in place.. I don't have VAG COM right now, and was wondering if there is a way to check the test port? is there a way to pull the codes manually?

the car is a 96 TDi passat wagon..


cruciform is offline   Reply With Quote
Old January 18th, 2005, 10:03   #2
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Join Date: Jun 1999
Location: Brampton, Ontario, Canada
Default Re: no reading from test port? can I test - test port?

It is only possible to get the codes using a scanner.

question for ya: do you have an aftermarket stereo, or is it the original one?

Reason for asking: Aftermarket stereo which is not installed properly (VW-specific issue) can interfere with the "K-line" which is the communication wire, which will prevent any scanner from working.
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