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Blinking red Vag Com cable? Can't connect with the car?

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Old 06-07-2008, 10:52 AM
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Default Blinking red Vag Com cable? Can't connect with the car?

So my A4 is being a real PITA lately......I'm not able to connect to it with my vag com. I replaced the ecu as I couldn't conect at all, and the car ran like hell. Well the car runs well now minus having no boost, but I still cannot scan the codes with a vag com.....
Anyone have any suggestions where to go?

Fues are good

ECU is not fried (known good one swapped in)

ABS is good

Radio is factory

Grounds are cleaned


Sometimes you plug the cable in, it goes green, and you can start to pull codes for a second, then it loses it and begins blinking red?

Local shop has no idea since I've gon through all their original guesses already before posting
Old 06-07-2008, 10:56 AM
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Ross Tech cable?
Old 06-07-2008, 11:40 AM
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Yes sir
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