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About hannah

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  • From
    San Jose, CA
  • Porsche Club
  • Present cars
    2004 Cayenne

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  1. Thanks for your input. Found a shop that I just took it to. You were correct it is the servo motor. However, they said I do not need to replace the ECU, that is still good. As far as what I thought was a minor issue with the system key faulty, turns out to be a bigger issue. He said my ignition switch is faulty and I have to get a new one. He said it has to be brand new due to the key programming. Can you confirm if this is true? He told me the ignition switch is almost a $600 part but I found new ones online for nearly half of that price. He said when he orders it would come with everything
  2. Great, thanks for the info! Definitely sounds like the issue I am having. So, from what I understand I can use the transfer case servo motor in the same year Touareg such as http://www.rockauto.com/en/moreinfo.php?pk=6326826&cc=1427228&jsn=378 or http://www.rockauto.com/en/moreinfo.php?pk=8019336&cc=1427228&jsn=379&jsn=379? I would want to replace the ECU as well. And this would work? http://www.ebay.com/itm/2004-05-06-PORSCHE-CAYENNE-3-2-V6-TRANSFER-CASE-ECU-COMPUTER-CONTROL-UNIT-/232066304551?hash=item36083aca27:g:2WcAAOxyOalTbVPL&vxp=mtr
  3. Hello, Any help on this would be appreciated. Thanks in advance. This is my first post and I will try to be as specific as I can. SORRY if it seems long. I have a base model cayenne 2004 with 89,000 miles. I have always been good about the upkeep... Just changed oil, oil and air filter 2 days ago. For a few months now I have been getting the 4WD system faulty and the PSM failure workshop codes. The codes usually do not come up right away upon starting the car. They pretty much always come up in the middle of a drive at various speeds. I could be on the highway or at ci
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