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05-15-2019, 11:43 AM | #1 |
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Keyfob not being detected after opening/closing door when car is running
** RESOLVED, SEE POST #11 **
2012 E93 M3. Latest i-step version. I get in the car with the key in my pocket, somewhere on the center console, etc and the car always starts up 100% of the time. Let's say I'm coming home and stop at the mailbox.. I put the car in neutral, pull the e-brake up (engine is still running), open the door to get the mail, then when I get back in and close the door, I get the "key not detected, engine cannot start" message. I tap OK to dismiss the message, it goes away and all is well. Edit: I am not removing the key from the car - simply opening/closing the door triggers the alert here. Its easily reproducible, and occurs with either the driver door or passenger door. I understand that once the door is closed, the car is going to do another "check" to be sure you have your key - this makes sense, but what could be causing this check to initially fail (then immediately succeed as the message disappears once I tap OK to dismiss it, and doesn't come back)? Tried both keys, replaced batteries in each, left the key in the key-slot for a while, can't seem to figure this one out. Minor annoyance but literally the only issue I have with the car. Any ideas? Thanks in advance! Last edited by brettcp; 09-06-2019 at 02:37 PM.. |
05-24-2019, 09:15 PM | #3 | |
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05-24-2019, 09:50 PM | #4 |
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sounds normal to me. if comfort access works normally and no other issues, its just a warning letting u know key not detected at one point since the engine is already running.
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05-25-2019, 10:59 AM | #5 | |
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05-25-2019, 11:26 AM | #6 | ||
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05-26-2019, 09:02 PM | #7 |
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06-11-2019, 10:28 AM | #8 |
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I had the same problem. new batteries solved it for me. I gave up on the cheap batteries and am using Energizers now.
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06-13-2019, 12:26 PM | #9 |
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I wish it were that easy in my case, replaced the batteries with fresh energizers, in both keys.. same issue.. maybe a bad batch of batteries? ...but the keyfob can lock/unlock the car from so far away.. so weird. I'll try a fresh set of duracells maybe.
Last edited by brettcp; 06-14-2019 at 11:32 AM.. |
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06-16-2019, 10:13 AM | #10 |
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Happens all the time. Comfort Access is finicky like that.
It's a non-issue.
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09-06-2019, 12:50 PM | #11 |
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This is resolved. Apparently my dash-cam, which I tapped into the rear view mirror for power, was drawing too much power and causing issues with the antenna for the keyfob, causing this issue to occur. I re-wired the dash-cam to a different circuit and all is well.
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10-20-2023, 05:14 AM | #12 |
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Thanks for sharing.
I have exactly the same issue, "key not detected blablabla" each time i close the door (driver or passenger), when the car is running, but i don't have any dash cam wired into any circuit. Problem of the main car battery according to you ? i get everytime the error code in ISTA : S0159: "No communication possible with comfort access" One remark : i have the oem camera KAFAS (for speed limit recognition capability) integrated behind the windshield Last edited by kensou; 10-20-2023 at 05:34 AM.. |
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10-20-2023, 12:20 PM | #13 | |
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Drives: E53 X5, E83 X3, E93 M3
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10-25-2023, 04:06 PM | #15 |
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Is it possible that a unregistered battery could make that ? I did not replace the battery but may be the previous owner did it but without registering it in ISTA ?…
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