Jump to content

Server Lease Renewal/Software Licenses

Our yearly server lease, software licenses, as well as hardware operating costs, ARE due Dec 6th, 2021. Our current donations have fallen far short of the funds we need to renew. Please remember the RennTech.org community is Member supported so please consider a donation to help...  THANK YOU!

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)

Recommended Posts

I am in the process of buying a 2013 Panamera from a non-Porsche dealer (a Bentley main dealer!) here in UK.  Before handover to me the car was sent to the Porsche dealer for a full service AND to clear a fault on the PCM (3.1) that reboots every few minutes.  Porsche dealer stated PCM u/s and must be replaced but he has subsequently fitted no less that 6 replacement units and in each case he has been unable to code the PCM.   He claims to have tried 3 different part numbers.  He has received help from Porsche(UK) and Porsche(Germany), although I do not know what this help consists of.  The result is that after 7 weeks the car is STILL off the road.   So, the dealer has ordered another unit and so it goes on.  He knows of one case where 11 units were installed before the fault was cleared.    Have I really had 6 brand new Porsche PCM units fitted and all were defective? 


Does anyone out there know what is going wrong and how I can clear the fault?. 




Chris         27 Sep 16

Link to comment
Share on other sites

I once had mine replaced - all worked fine. Would be VERY strange if you get 6 bad brand new PCM units in a row from Porsche. 

I think they each time transfer some settings from the old PCM unit to the new they install. Maybe these data are corrupt and they then fail the new unit. Perhaps you can ask them to setup the PCM unit manually.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.