Error Help - Convertible Top Module / angle-of-rotation sensor, fin - Bimmerfest - BMW Forums

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Old 05-14-2019, 03:13 PM
texas83 texas83 is offline
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Location: Dallas
Join Date: Aug 2017
Posts: 47
Mein Auto: 2012 BMW 650i Convertible
Error Help - Convertible Top Module / angle-of-rotation sensor, fin

My F12 top will only open halfway up and then it sticks. If I turn the car off/on and then close it the top will close fine but still gets stuck half way when trying to open. I scanned the codes and got this error listed:

Code 80501A: position sensor Finn: short circuit to negative

Looked up the codes online and this code is here:

Looked on Newtis, found info on angle of rotation sensor

Any idea how I can fix this? Want to check the fuses as well but can't figure out what fuses deal with the convertible top. Thanks.
2012 650i Convertible
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Old 05-27-2019, 08:07 PM
98mkiv 98mkiv is offline
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Location: San Diego
Join Date: Apr 2008
Posts: 15
Mein Auto: 2012 650i Convertible
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Hi, I have an issue with my top as well. I went and did the manual override per the owners manual, and of course now nothing works. Thanks BMW.

Does anyone know how to "re-initialize" the convertible top module?
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