TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

Anyone have any thoughts on why my ECU can't be read?

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Old Feb 15, 2008 | 09:41 AM
  #1  
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Default Anyone have any thoughts on why my ECU can't be read?

Background, car was out in very cold weather for about three weeks and battery went down. I think the battery was actually bad before but ignored the warning signs, the cold killed it off. Replaced battery.

Just went in to get the emissions test and they couldn't read anything. Attached my vag-com to the same result.

Any ideas?

Oh yes, the car seems to be running fine.
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Old Feb 15, 2008 | 09:42 AM
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Default Check the OBD fuse Dick...>

I forget which one it is, but if blown will render the OBD port useless...
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Old Feb 15, 2008 | 09:58 AM
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Default no need to resort to name-calling

jk Steve!

On that VTDA, let me get a precise measurement on the MAF housing when I get the car back from the tuner next week to make certain and then I'll place an order with you. I miss the throttle response and the WOOSH!
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Old Feb 15, 2008 | 10:03 AM
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Default OK!...>

Ittaliano put his on with the standard 3" inlet, Wolkswagen says the 3.2 adapter is perfect....I never really determined if the 3 and the 3+ uses a different part so confirmation will be good..
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Old Feb 15, 2008 | 10:03 AM
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If the OBD fuse is OK, check the fuse on the back of the radio.
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Old Feb 15, 2008 | 10:16 AM
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What's an OBD fuse dick?
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Old Feb 15, 2008 | 10:24 AM
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Its the highest level of OBD Policeman before you reach OBD desk cop
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Old Feb 15, 2008 | 10:43 AM
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Default If someone flashes this badge at you......>

RUN!!!!!!!!!!!!!!!!

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Old Feb 15, 2008 | 12:57 PM
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Wish it had been that easy, but no, fuse #12 is good.
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Old Feb 15, 2008 | 12:58 PM
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Default Any idea as to why that could be involved... of course the radio is dead too so

there may be some connection.
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