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fault lights

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Old 01-30-2009, 04:27 PM
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Default fault lights

Hi all. I'm new to the RS6 world and just purchased my blue with silver a couple of weeks ago. When it arrived I did OCT ECU and TCU upgrades. After about 100 miles the traction control light and ABS light came on solid. Power decreased as well. Brought it to the performance shop and teh tech that set it up said it had a brake switch fault code and traction fault code - shocker as this was what was lit on the dash. I have warranty but perf tech is telling me that he wants to swithc out tcu before I go to Audi. Does any of this sound familiar? Could teh problem be from teh upgrades?
Old 01-30-2009, 04:37 PM
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Might be a bad speed sensor? I'm guessing VAG-COM would be more specific?
Old 01-30-2009, 04:47 PM
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Default Re: Might be a bad speed sensor? I'm guessing VAG-COM would be more specific?

VAG-COM?
Old 01-30-2009, 04:52 PM
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Default Re: Might be a bad speed sensor? I'm guessing VAG-COM would be more specific?

What is VAG-COM?
Old 01-30-2009, 05:22 PM
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Default YES, you could have the dreaded transmission or Torque Converter problem

If the dealer sees a aftermarket chip. You are toast.
Old 01-30-2009, 06:09 PM
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Default Link to some info...can also use the friendly search...good luck

<ul><li><a href="http://www.ross-tech.com/vag-com/product.html">http://www.ross-tech.com/vag-com/product.html</a</li></ul>
Old 01-31-2009, 06:33 AM
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Default Re: YES, you could have the dreaded transmission or Torque Converter problem

I did notice the transmission started to slam a little bit. Thought that might be linked to the fault lights somehow.
Old 01-31-2009, 04:08 PM
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Some have reported a faulty brake switch as causing this to happen.
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