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      12-13-2019, 08:12 AM   #1
nbhms
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Canada
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Drives: 2011 BMW X5 35d
Join Date: Sep 2019
Location: Atlantic Canada

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Comfort Access Issue

I have searched various BMW forums, and found similar issues, but couldn't find any that sounded exactly like my issue, so posting here, hopefully someone has some ideas.
  1. Doors won't lock or unlock by touching the handle or pulling the handle. Same for all doors and both keyfobs in range. Was working fine, then suddenly quit a couple days ago, for both keyfobs.
  2. Doors will lock and unlock from keyfob buttons on both keyfobs.
  3. Replaced keyfob battery on one keyfob to elliminate that issue.
  4. When unlocking from keyfob, the "find your way" lights in all doorhandles activate, so they have power.
  5. No handles are warm (issue I've seen posted regarding a short in the handles).
  6. Push button start works without keyfob inserted in dash, so at least *part* of comfort access is working.
  7. Checked fuses, they were all good. I think I checked all the relevant ones, but there's a chance I missed one.

Other notes:
There are two error codes I can see in ProTool, they won't go away when I clear them, not sure if they are related:

DME/DDE | 2E3D: Interface EWS-DDE
CAS | A103: Immobilizer bus fault

Anyone have any similar experience or ideas on what's going on?

Is there setting(s) in ProTool to enable/disable the "touch doorhandle" part of the comfort access that I could check?
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'11 E70 X5 35d
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