A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

I need a new ECM Part # : 4D0907551AH Any ideas where to look? Dealer wants $980.00

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Old Sep 14, 2005 | 01:25 PM
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I need a new ECM Part # : 4D0907551AH Any ideas where to look? Dealer wants $980.00
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Old Sep 14, 2005 | 01:43 PM
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Call Shokan, Dad's, and some local tuners. Check classifieds too. You need an "H" box.
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Old Sep 14, 2005 | 01:49 PM
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785.00 at 1st VW Parts!
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Old Sep 14, 2005 | 03:48 PM
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Default I'm getting a used one from 2Bennett in davis for 525.00. It comes with a 3 month warranty

Dad's and its affiliates didn't have any.
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Old Sep 14, 2005 | 04:59 PM
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Default Best of luck. Really. But frankly I'm betting a new ECU isn't going to do it.

Sorry, but the chain of events don't line up, and it seems like you've been getting almost random explanations.

I hope I'm wrong, because at least the problem will be solved. Please keep us informed.
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Old Sep 14, 2005 | 05:08 PM
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Yea, I'm just as confused. I will keep you updated!
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Old Sep 14, 2005 | 05:11 PM
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I'm having my indy mechanic call the dealer 2moro so I can get his take on what they are doing.
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Old Sep 14, 2005 | 05:57 PM
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Default I have a 4D0 907 551 A from a '98 A6 2.8 that you can try.

You pay shipping there and back and you can try it free of charge. I REALLY doubt that your problem is in the ECU.
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Old Sep 14, 2005 | 06:06 PM
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I might have to take you up on that I will let you know tomorrow
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Old Sep 15, 2005 | 12:42 PM
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Default About 3 years ago I purchased a used ECU from Dad;s (I think it was) recyclers for $150-->

I think it was Dad's, I know that I found them in the AW links.
Bottom line, I paid $150 for it, and it was already GIAC chipped (which was what I wanted it for in the first place).
I paid another $50 and had it upgraded to the X.

Search the AW links, you can find them used there for much less than $500
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