01-15-2024, 09:02 AM | #1 |
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Antenna/Telematics Module DIY question
Replaced the battery, the telematics module and the antenna + Cap. They were all water damaged.
Does anyone know if I need to go to the dealership to get this programmed? It's still showing Emergency call malfunction and the Navigation is not working. Tried resetting the idrive but did not help. Surprised that the cap for the antenna didn't just fall off on it's own, barely put any pressure when trying to remove it and the cap just flew off. Looks like its the paint on the inside of the antenna cap that was the weak link. |
01-15-2024, 12:04 PM | #2 |
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Did you do the 20-30 second iDrive reset or longer?
There's been conflicting info on this but supposedly you can do a TCU reset by holding the volume button for about 70 seconds - basically long enough for you to see iDrive start a 3rd reset/restart. Might be worth a try .... Also possible you may need to use an OBD scanner (or something similar) to clear the stored codes in order to get everything working again.
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FatHulk127.50 |
01-15-2024, 12:22 PM | #3 | |
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01-15-2024, 02:52 PM | #4 |
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01-15-2024, 03:46 PM | #6 |
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01-16-2024, 09:45 AM | #9 |
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and you held the button down constantly through 3 consecutive reboots?
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01-16-2024, 10:59 AM | #10 |
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Have you tried to disconnect the batteries? I had the same error massage and it is the second time the TCM went bad (previous one replaced under warranty but lasted only a year). Besides the error message, my SOS call was also activated and the center screen only showed "emergency call is activated, data is transmitting....". I could not turn that screen off or to display anything else. The screen was basically stuck like that. I tried all kinds of reboot which did not help. I finally disconnected the main battery in the rear truck and the backup battery in the engine bay close to the jump connectors. Waited for 5 minutes before connecting the batteries again and got that screen display back. Now only small text error message in the bottom centre of the dashboard. I am also trying to replace the TCM myself, but not sure if it requires coding. Please let us know what you find out with the dealer.
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01-16-2024, 11:01 AM | #11 | |
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In your pic, the antenna film is covering the guts but may I presume that the battery you replaced is under the film? I'm wondering if the water ingress caused a short and damaged the circuitry and that is why you cannot get it working or if a connector or two came loose, popped of, etc. |
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01-16-2024, 11:10 AM | #12 | |
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01-16-2024, 11:28 AM | #13 |
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01-16-2024, 11:32 AM | #14 | |
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I replaced with all new parts - Battery, TCM, Antenna, Antenna cap. I'm probably going to put a bead of silicone around the antenna so water can't get in but I'm hoping this gets fixed. Will try unplugging the battery as another user has suggested, but might need to take it to the dealer for programming/coding. |
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Marty in NY2759.00 |
01-16-2024, 11:35 AM | #15 | |
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01-16-2024, 11:36 AM | #16 | |
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01-16-2024, 11:59 AM | #17 | |
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01-16-2024, 12:41 PM | #18 |
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My TCB unit was replaced at the dealer last week for water damage. The notes on the work order state "Performed replacement programming with complete vehicle encoding afterwards." Hope that helps.
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01-16-2024, 12:44 PM | #19 |
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01-16-2024, 03:09 PM | #20 |
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Thanks looks like a trip to the dealer is the only way to get it sorted
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01-16-2024, 03:10 PM | #21 | |
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01-16-2024, 04:18 PM | #22 |
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Just got the same problem on my car with the the emergency call failure, gps no longer working correctly and loss of connection to the bmw connect drive server. Looks like this is a latent defect as there are number of owners with the same issue. It’s not helped by the fact that the roof is concave where the shark fin is attached which allows water to sit around it.
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