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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > F30 DIYs and Coding Discussions > EntryNav problem after battery drain
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      01-18-2016, 06:54 AM   #1
palumbo77
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EntryNav problem after battery drain

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After the battery drain my navi does not recognize the internal combox (I have an entrynav ) What should I code ?? I have the teleservices and active call.

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      01-20-2016, 07:17 AM   #2
palumbo77
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please help me
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      01-21-2016, 03:27 PM   #3
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It seems to be not a common problem.

I canīt help you directly ... but at least help you understand that there is no such internal combox in Entrynav for Teleservices and SOS call. These functions are still handled by a box in the trunk with an embedded SIM card, it is the TCB = Telematic Communication Box. This box is connected via the green USB cable with HU Entrynav.

Thus, if there is a problem, it will probably be either in the HU or the TCB. If you have saved your original CAFD files you could read out the current files and compare. Or maybe you could try to VO code both ECUs? Just some ideas Iīd try if I were in your situation...
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