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#1
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rear doors and tailgate wont unlock
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#2
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The one door unlock is key dependent did you have all keys programmed for this method? I program my keys to open all doors and wife's to do the one/all. I'm assuming you're using the same key and it does the unlock wrong some times.
I had a similar bug with my e53 where it would behave like I used a different key to unlock and it would auto adjust the seat to some other position and it would happen fairly regularly like monthly and somehow I guessed into this fix you can try; When it doesn't do what you expect doing this kicked it back into proper function: Get in the car put in the key to roll Sieb the window, in my case I had to press the memory one button to reset the seat and steering and then reach out the window and with the key lock and unlock the door. That would reset the system and it would not move the seat on unlock for a month or three until the next time. Until I figured out this hack it would reset my seat/steering/mirrors every unlock until I did the hack. Good luck hope it works.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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I think I would use PA Soft (aka BMW Scanner 1.4) to reset the door locks back to the factory 2-press unlock system....Then re-select one press unlock for each key per instructions below...
https://xoutpost.com/bmw-sav-forums/...all-doors.html If that fails to work, I would try a new used LCM module...which are cheap used , but need to be coded to the car I believe.
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'03 530i - manual swapped - 425k miles '06 325Cic auto 115k '05 X5 3.0 auto 158k '99 E39 528i 5-speed 130k |
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#5
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What exactly did you program and how? I would probably consider undoing that and start over. Was a battery maintainer used? If you flashed a module on a lower voltage you might get some interesting results
.There's a child lock switch on the inside but I think that just prevents the inner door handle from working, not sure if it messes with the lock mechanism at all. I've encountered some strange behavior with the lock mechanism on mine a couple times but haven't picked that battle yet. Just keeping it unlocked for now. I have to code out the beeping first, if anyone knows how to do that. I also have a parasitic draw .. and the left rear exterior door handle failed yesterday but I smacked it back into place enough for now. These are easy fixes right.
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'05 E53 3.0 6mt. Sterling gray metallic / black. 135k daily driver '96 E36 328is 5mt. Alpine white. Removing parts and scrapping rust shell '93 E36 318is 4cyl auto. Alpine white / black. 120k clean shell, awaiting 328 parts '17 F30 340ix 6mt. Black sapphire metallic / black. 80k missing engine |
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When my central lock got confused the confused state stayed until I did the lock/unlock through the door trick. It didn't help to unlock/lock/unlock while outside. I didn't have my car programmed for all unlock I only noticed it was using the wrong key program for the mirrors and seat.
I had to put the key in to roll down the window but I didn't start the car then I pulled the key out and reached though the window and lock/unlock with the key blade. It worked every time it happened and then I got a month or few of reprieve until it happened again.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#8
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Get a factory key there are links to the online legit BMW dealer that will save you like $50. That's where I got mine when I lost my spare key and my remaining key lost remote function. It was worth every penny.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#9
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Coding for selective locking alters if only the driver door or all are opened with first unlock. So coding wouldn't explain the difference with both front doors opposed to rears. Front door locking is operated by individual door modules (P-bus message from body module) and rear doors by body module directly. So this sounds like a body module problem.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey E70 X5 40d -12 M-Sport Space grey |
#10
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rear doors and tailgate wont unlock
Solid deduction. This is where you take your bidirectional scanner and command doors to lock/unlock directly and figure out what works and doesn't.
Are you coincidentally just having lots of DLA failure A clue is you said you opened a door and set of the alarm. Are all the doors actually locking and unlocking on command? It feels more like some of the locks are taking more than one press to unlock.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) Last edited by andrewwynn; 07-23-2024 at 01:46 PM. |
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