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post #1 of 17 Old 08-09-2015 Thread Starter
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04 ecu replacement

Hi, my touareg needs a new ecu. Is it a matter of just replacing it or is this something only the dealer can do?

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post #2 of 17 Old 08-09-2015
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How do you know it needs a new ECU?
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post #3 of 17 Old 08-09-2015 Thread Starter
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Dealership wanted to put a new one in because it wasn't responding.

Just spoke to a friend d who had the same issue and he's seems to remember it was something in the steering column he replaced.
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post #4 of 17 Old 08-09-2015
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Yeah the ecu has to be coded and programmed to immoblizer, to program immobilizer vag scan tool has to talk to fazit in germany which is a secure server. There may be a way around this but I haven't heard of a way personally.

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post #5 of 17 Old 08-10-2015
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Exactly what happens when you try to start the car?
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post #6 of 17 Old 08-10-2015 Thread Starter
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The only thing that happens is the dash shows a red steering wheel sign. Other than that nothing.
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post #7 of 17 Old 08-10-2015 Thread Starter
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Unfortunately it appears vw has me by the balls on this one.
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post #8 of 17 Old 08-10-2015
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I hope others will perhaps chime in here, but there's something in the old grey matter that's saying duff yaw sensor or some-such, or possibly something to do with the brakes . . .

Or is it the clock spring fault in the steering wheel?

Something is nagging at me on this one . . .
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post #9 of 17 Old 08-10-2015 Thread Starter
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The research I have done suggests it starts with replacing the battery which was just done. From there it seems to be a problem from the key faub to the steering wheel to the ecu.

I suspect it's a faulty wire but it's easier for them to replace everything rather than hoping to find a bad wire.
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post #10 of 17 Old 08-10-2015
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Now that just does not make any sense at all.

Think about it: if it is a bad wire somewhere then that bad wire will still be bad even with a new ECU.

It always helps if you give the complete background to a fault. Delivering it piecemeal doesn't help you or anybody trying to assist!!

Go back to the beginning and describe what, exactly, has happened - the whole sequence of events . . .
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