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2010 2011 BMW 5 Series Forum F10 Comfort Access Malfunction |
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08-12-2015, 04:52 PM | #1 |
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Comfort Access Malfunction
Anyone had the issue where Comfort Access (when in range), will unlock WITHOUT any door handle contact, on one side of the vehicle?
Will not lock from handle contact on that same side of the car, (simply unlocks again), will lock and unlock as normal from the other side of the vehicle. I'm trying to gauge whether it is "cause or effect", as there was a battery discharge warning when finding this self 'unlocking' malfunction. I've replaced the battery in the remote as a precaution, also tried the second remote fob. Both get the same result. All door actuators work fine, car will 'autolock' on driving off as normal. I suspect a transmitter in one of the doors on the faulty side. Triggering an "unlock" command as soon as the fob is in range, likely causing a slow drain on the battery. Car has an extended warranty, so no big deal, but curious as to other users possibly having this issue, before phoning the dealer. BTW, have put the battery on charge and run the car some distance, but still have the same unlocking fault. HighlandPete |
08-13-2015, 09:16 AM | #2 |
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As you know, the door open sensor is on the door handle, the side that is facing the door. I believe it is an capacitance sensor, have you try cleaning the inside of the door handle?
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08-13-2015, 05:30 PM | #3 | |
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I've identified which door has the issue, it is the rear door on the driver's side, won't lock from the handle. Have checked for cleanliness and don't see an issue. Found on one occasion (after fiddling with the handle and door catch) the system locked correctly from the faulty door. But once the car went to sleep it defaulted back to the fault, when the fob was put in range it once again unlocked itself without contact. I had a "battery discharging when stationary" warning this morning, so there is a drain due to some malfunction of the Comfort Access electronics in one door/handle. HighlandPete |
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08-26-2015, 01:13 PM | #4 |
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I am having the same issues. Two of my door handles are short circuiting according to BMW causing a battery error (Increased battery discharge). I have to take it back on Monday. They will most likely replace the door handles. I will let you know what happens.
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08-26-2015, 03:32 PM | #5 | |
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Over here in the UK, handles are on back order from Germany (colour painted from factory), up to four weeks apparently. So the garage disabled the comfort access and I agreed to have the car back until the part comes through the system. I'm therefore using standard central locking until the new handle arrives and can be fitted. HighlandPete |
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08-30-2015, 08:30 AM | #6 | |
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