Transmission issue, when it is in park it shows it is in reverse?

2009 BMW 550I
119,000 MILES • V8 • 2WD • AUTOMATIC
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BHAMDOC1973
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Transmission acting up. When i hook up my scanner it seems that when it's in park it shows it's in reverse, when in neutral shows drive and so forth. But when i out it in reverse it goes back and when in d it drives, its erratic shifting but i also have no transmission codes only intelligent sensor and alternator codes. I hooked up my ohmmeter and it's fine 14.3 or so. The information display flashes and sometimes does not come on, so i think the charging is not stable but the battery tested good with load. I looked at the bsd and it looks fine. I deleted the codes, and it keeps coming back. There is a mismatch when i look at gear positions. sometimes it's the alternator code other times it says it's not seeing or getting message from the intelligent sensor.
Jan 23, 2023 at 8:48 AM
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STRAILER
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Yep, this means the gear selector switch has gone out. here is how to replace it in the images below. The alternator is a separate problem so please start a new question for that. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
Jan 23, 2023 at 12:11 PM
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BHAMDOC1973
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Even though the gear reflects correctly when i shift it. If i choose drive it lights up drive and drives forward, same for neutral and reverse but not while using the scanner.
Jan 23, 2023 at 12:15 PM
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STRAILER
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Okay that might be a scanner compatibility issue.
Jan 24, 2023 at 9:56 AM
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BHAMDOC1973
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Turned out fluid was not full, all good now.
Feb 11, 2023 at 2:37 PM
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STRAILER
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Nice work! It's nice when we can find the problem and fix it. Thanks for letting us know, we are here to help, please use 2CarPros anytime.
Feb 12, 2023 at 1:02 PM