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About mercuxio

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  1. Yes. I shall do that. I'm really surprise by the lack of information on PDCC as well as the PIWIS error on the Internet.
  2. I have been able to change it to V6. PIWIS seems to report that the change was successful. However, on a restart it showed the same errors. I'm gonna give it another go with another PIWIS II setup after the new years. Been having this PDCC issue for a year now. Need my sports mode back.
  3. Hi Richard, What I meant was that I have the exact same problem with the control unit - the fault code was "0003 - Control Unit Faulty". Can't get anymore generic than that. LOL. My repair strategy would be the same as his. The difference was that he was running PIWIS I and I tried to use a PIWIS II (friend's unit - he's an independent workshop). The replacement CU was exactly the same part number as my faulty one. Even the revision suffix is the same. I can tell that the replacement unit was made about 30 weeks later. I don't quite understand what you meant
  4. Hi all, I was trying to replace my PDCC control unit on my Cayenne 2008 with a used unit. Exactly the same problem discussed in this post in another forum. Also attempting the exact solution -> https://www.6speedonline.com/forums/cayenne-turbo/367160-07-ctt-pdcc-pressure-sensor-calibration.html. I read the data from the current faulty control unit with no issues. However, while trying to write the data on the replacement unit, I got the above error "65010 : Security Access Failed!". Anyone with experience with PIWIWS II that knows what that actually means? I've goog
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