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E90 Door Lock Switch / Interior Light / Door Open Warning

1K views 2 replies 2 participants last post by  Alan G 
#1 ·
I assume I need to order a new door lock / latch, but just checking in case anyone has another suggestion.

Good photos of (what I believe is the correct item) here:
https://www.amazon.co.uk/SCSN-Front-...df_B081N3NKQ3/

With no previous issues I now have the following symptoms:
  • Interior Light does not come on when drivers door opened (all other doors OK)
  • Interior light stays on permanently after start up - unless manually turned off
  • Door Open warning permanently on dash while driving.

ISTA reports 009CBC FRM: short circuit at front door contacts.

It seems quite a bit of work to replace this.
Good video here

However I assume it will be even more work to check the various wiring tests that ISTA suggests as I would have to spend a lot of time identifying the various cables and doing more reading. It would also require some time to get at the wiring and so the testing.

Unless someone has a more likely suggestion it would seem the most likely issue is the door lock / latch.

I also assume there is not much I can do to repair the lock / switch but maybe someone has managed to repair this or has a workaround.

All comments / suggestions welcome.
 
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